Tm 9-765 BOMB SERVICE TRUCK M6

7/28/2019 Tm 9-765 BOMB SERVICE TRUCK M6

http://slidepdf.com/reader/full/tm-9-765-bomb-service-truck-m6 1/281

M

P u b l i c D o m a i n ,

G o o g l e - d

i g i t i z e d / h t t p : / / w w w . h a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g

o o g l e



<VO(/? -TWARDEPARTMENT

3,1942

Chevrolet)

e

vroletMotorDivision,GeneralMotorsCorporation)

ons

— 7

-18

20-2130

cle28-2934

ondi-

440-42

tenance

ons35-3743— 47

124

m..85-90 125-131

1-95132-140

M


G o o g l e - d


o o g l e



Chevrolet)

nance(Continued)

M


G o o g l e - d


o o g l e



viceTruck—RightSide

viceTruck—LeftFront

M


G o o g l e - d


o o g l e



Chevrolet)

STRUCTIONS

heinformationandguidanceofthe

theCHEVROLET4x4MODEL

CKM6,thismanualcontainstechnical

tification,useandcareofthe materiel.

chrepairsasmaybehandledby

ertakenonlyunder thesupervisionofan

ftherepair,modification,oradjust-

litiesoftheunit,theresponsibleord-

dinorderthat trainedpersonnelwith

ybeprovidedor properinstructions

toload,unloadandtowbombtrail-

ervalve-in-headengine.Asingleplate

pring isused.

nsmissionsuppliesfour forward

e frontaxleaswellas anauxiliary

aseismountedbackofthe transmission.

etype universaljointsareused

esaswell asbetweenthetransfercase

ychannelsteel,supportstheopen

a hoistforloadingandunloadingthe

M


G o o g l e - d


o o g l e



0{'«in.

-

es.

M


G o o g l e - d


o o g l e



Chevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

entsandcontrols4

NINSTRUMENTSANDCON-

tthedriverofone ofthesevehicles

ariouscontrolsandtheir properuse.

uldstudythecontrolsshownin figures

eanumberwhicharenot ordinarilyfound

ls,instrumentsandinstructionplates

ginstructionswewill refertothisillus-

controlorinstrumentbeingdiscussed

owtheinstructions.

dicatesthetemperatureofthe

lltimes.Thedialof theinstrumentindi-

renheit.Thedrivershouldwatchthis

tionofexcessivetemperature.Whenever

0degrees,thedriver shouldimmediately

sivetemperature.Continuingtodrive

permanentdamagetoitsworkingparts.

amountoffuelin eitherthemain

ngtothe positionofthegastankgage

nitionswitchis alsoturnedon.Thegage

Aand full.

witchNo.3. Whenitisdesired to

maintank,theswitchlevershouldbeup,

anktheswitchlevershouldbe down.

coincidewiththe positionofthegas-

nfigure5.

espeedat whichthevehicleisbeing

etotalnumberofmiles thevehiclehas

M


G o o g l e - d


o o g l e



atestheoilpressureinthe lubrica-

atchthisinstrumentcloselyand,if the

engineshouldbestoppedimmediately

ureinvestigatedandcorrectedbeforecon-

orLever

catewhetherthebatteryisbeing

ehicleisin operation.Iftheammeter

auseshould beinvestigatedandcor-

bedischarged.

he lightingcircuits.Whenthelight-

stposition,it turnsontheblackouthead

ion,thispositionpermitsturningonthe

esareapplied.Toturn ontheregular

buttonontopofthe switchandpullthe

osition.In thisposition,circuitsare

dstoplights.Whenthelighting switch

osition,itclosescircuitsfor theservice

.

8is usedwhenstartingacold

uttonshuts offtheairto thecarburetor

M


G o o g l e - d


o o g l e



Chevrolet)

kebuttonshouldbe pushedinwhen

warm,theuseof thechokeisunnec-

atedbyturningtheignitionswitch

turnsonthe ignitionbyclosingthe

rningthekeyto theleftturnsoffthe

ircuit.

edontheinstrumentpaneltothe

ingthisbuttonopensthrottle.This

gor,if itisdesired,to runtheengine

hNo.11controlstheinstrument

witchbuttonlightsthepanellights

o. 7isin regularorservicelights

operatewhiletheblackoutlights

edandilluminatetheinstruments

ulledoutandtheregular lightswitch

13is afootswitchusedtoselect

er)desiredafter theheadlightsare

chbuttonwith thefoot.Alwaysusethe

chingvehicles.Thisisanimportant

disengagetheenginefromthe trans-

clutchshouldneverbeengaged

r.Driving withfootonpedalwill cause

outbearing.Thereshould beoneinch

beforetheclutchstartstodisengage.

nthe brakepedalappliesthe

sand alsooperatestheelectricbrake

s.

rivingtocontrolthespeedof the

essingdownon pedalwithfoot

gearsandalso closesthestarterswitch,

betweenbatteryandstarter.Rotation

ntheengine starts,thefootshouldbe

y.

M


G o o g l e - d


o o g l e



LS

No.18 isusedtoselect various

mission.Therearefourforwardspeeds

earcanonlybe engagedwhenlatchon

positionsforthevariousgearswill be

sedtocontrol theparkingbrake

ullingthehand brakelevertoward

while pushingitforwardreleases

sparked,thelever shouldbepulled

e.Beforemovingthevehiclelever

fullyreleasedposition.

o.20is usedtoselecteither

nthetransfercase.Theshifting lever

lleverNo.21 insucha waythatitis

peedinthetransfercase withoutthe

aged.

x4BOMBSERVICETRUCKM-6

MAINTAININGTRUCK|

Y

ROLET-1942-67128

ER

DRIVER20OO LBS.

140OOLBS.

INE70-72

OMMENDED

S.A.E.30;FOLLOWINSTRUCTION

UBRICATION;ALSO

ONDITIONS

21 permitsengagingordisen-

hthe transfercase.Whentheleveris

engaged,andwhen itispulledtoward

M


G o o g l e - d


o o g l e



Chevrolet)

E:Thefrontaxledriveshouldbedis-

-surfacedroads.

ntrolNo.22.Anelectricalcon-

atedbythebrakefoot pedalNo.15

theregularservicebrakes.Theload

tionsforlight,medium,medium-heavy

mbers1,2,3 and4.Ifthe loadonthe

houldbesetat No.1;iftheload is

No.4.Inotherwords,the loadcon-

withtheweightoftheloadon thetrailer.

lateNo. 23.Thisplategives

dtheloaddata.Figure6 illustratesa

loaddataplate.

peedsPlateNo.24.Thisplate

roadspeedsatwhichthevehicleshall

itionswiththetransfercasein highor

argedviewofthisplate.

o.25.Pressinginoncenterof

elockunlockedreleasestheglovecom-

peningthedoor.The glovecompart-

keysuppliedwiththevehicle.

M


G o o g l e - d


o o g l e



utionPlateNo.26givesthe

ardingdrainingthecoolingsystem.

No.27indicatesthe position

valveshouldbe accordingtowhether

ntankorthe auxiliarytank.Thefuel

3should beplacedinpositioncorre-

8andalso figure8givethe

shiftingleverpositions.

ASE

RIVEWHEN

ACEDROADS.

29isused toopenandclose

everforwardopenstheventilator,

closestheventilator.

No.1(fig.9),are usedtoturn

The furtherouttheseswitchesare

operate.

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



ScrewsNo.2(fig.9)are used

n.Looseningthesescrewswillpermit

zontallyoverhoodoftruck.

Thewaterbypassshut-offcock

tertemperatureindicatoradapter

totheradiator,andshouldbe kept

ratureisabove60 degreesandthe

des.Thepurposeof thisshut-offcock

rombypassingthethermostatunder

rebypreventingproperoperatingtem-

tained.Ametalcautiontag wiredto

:"Thisshut-offcockisto bekept

ginairtemperaturesabove60F on

ON.

estartinginspectionoutlinedin

eeshiftingdiagramplate.

inch.

"on"position.

taincorrectmixture.Inwarm

s maynotbenecessary.

ngine;'releasepedalassoonas

ottletoobtaina smoothidlingspeed.

run severalminutesbeforeattempting

gineathighspeed.

terregisternormalconditions.

willbenotedthatthe oilpressure

registerahighoil pressure.Asthe

lldrop untilitreachesapoint where

ethe pressureverylittleifat all.

normallyhighaftertheengineis

ctionshouldbemadetoascertain

esareplugged.

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



E,

odisengagetheclutch.

erhighorlowspeed position.See

everto theleftandforwardinto

altospeed uptheengine.Engage

orpedaldownasnecessarytopickup

engineasthetruckstartsto move.

aseacceleratorpedal,depressthe

everto neutralandthentothe next

eratorandengageclutchasexplained

ltransmissionisin highgear.

sin TransferCase.

eratedineitherhighor lowspeed

aged,butcannotbeoperatedinlow

disengaged.

t,shiftthetransfercaseinto neutral,

ovingfrontaxleshiftleverforward.Then

verin thehighorlow speedposition.

ift thetransfercaseintoneutral,

ovingfront axleshiftlevertoward

ghtoLowSpeed.

mptedexceptwhenthevehicleis

atastandstill.Frontaxlemust be

movetransfer caseshiftleverto

erateenginetoapproximatelytwice

dmoveshift leverforward(without

olowspeedposition.Thenreleaseclutch

M


G o o g l e - d


o o g l e



Chevrolet)

rmeddouble-clutching.Alittle

eshiftsmoothlyandefficiently.

wtoHigh Speed.

hedatanytime,regardlessof

lutchpedalandmoveshiftleverto

lerateenginetosynchronizeengine

eshiftlever towardrearintohigh

ansmission.

ysbeshiftedto thenextlower

oror beforevehiclespeedisreduced

eedisaccomplishedasfollows:

kly,maintainingthesamepressure

vertoneutraland atthesameinstant

land movethegearshiftleverto

clutchslowlyandat thesametime

chronizeitwiththatof thevehicle.

etransmissiongeargoingdownhill

esamehill.Thisis asafetyrulefollowed

ory.

reverse,the truckmustbe

odisengageclutch.

erandmovelevertoleft asfaras

eshiftingdiagramplate.

theengineinthe samemanneras

ph7a.

dcontrolon theinstrumentpanel

otrailer load,removefootfromaccel-

ressing downonfootpedal.

nreducedtoidlingspeedofengine,

ansmissiongearshiftleverinto neutra,

mpletestop,releaseclutchpedal.

M


G o o g l e - d


o o g l e



2

milesofoperation13

lesofoperation14

yandnormalservice,itisneces-

maticallyinspectedatregularintervals

eningandadjustmentsorrepairsbe

damage.

ardingdesignwhichmightaffect

my,orthesafetyandcomfortofthe

heofficeofthe ChiefofOrdnance

ctionisencouragedinorderthatim-

lesinthefuture.

ON.

kcaseoillevelwiththedip stick.

rk,addoil.

.Addwaterorantifreezeas

ks.Tightenifnecessary.

on.If necessary,adjustaccording

5 pounds.

necessary.

reetravelof 1inchto1 Viinches.

nstructionsinparagraph67.

essingpedal,makingsurethatit

ofloor.Ifnecessary,adjustaccording

M


G o o g l e - d


o o g l e



Chevrolet)

henecessaryrepairsshouldbe

ldberepairedaccordingto

sherisinplace.

bereportedandreplacementmade

ERATION.

rt todetectanyabnormalcondi-

cle.Anyindicationsoftroubleshould

oreproceeding.

orforsignsofoverheating.

ethattheoil pumpisworking.

ectricalchargingrate.

ofgasinthemain andauxiliary

T.

makethenecessarycorrections.

olingsystem.Addwateror anti-

l ifdownto"addoil" mark.

nds.

ts.

EROPERATION.

adeatthe endofarun inorder

ditionandreadyforuse intheleast

ondition.Report,ifrepairsor

ingand anyabnormalnoisesat

nyabnormalcondition.

wipers.Reportanytrouble.

M


G o o g l e - d


o o g l e



sherisinplace.Ifit hasbeenused,it

toservicepersonnel.

dblackout.Ifany repairsare

nel.

leflangebolts.

housingto framebolts.

Reportanylooseness.

.Anydamagedtiresshouldbe

.Anyleaksshouldberepairedor

77for adjustmentinstructions.

ownto"addoil"mark.

houldbe correctedorreported.

sshould becorrectedorreported.

VERY1000MILESOFOPERA-

altinspection,andthe following:

l.SeesectionIVof thismanual.

SeesectionIVof thismanual.

evel.SeesectionIVofthis manual.

evel.SeesectionIVofthismanual.

sforleaks.Ifleaksare found,the

houldbemade.

.It isessentialthatallleaks be

rsufficientfluid.Addfluidas

M


G o o g l e - d


o o g l e



Chevrolet)

etravelandadjustbrakesif neces-

.Ifadjustmentisnecessary,follow

ectingrodends forcorrectadjust-

sary,adjustaccordingtoinstructionsin

nchorage.

ts.

.

ersaljoint Uboltnuts.

htenconnections.SeesectionsXVII

olts.

AFTER6000MILESOFOPERA-

ounder"Prestarting,""Halt,"and

tandlubricateifnecessary.

ectionXIVof thismanualfor

s.SeesectionXXVIII.

shor looseness.Tightenorrepair

ragraph116.

.

ring,andmakenecessaryad-

M


G o o g l e - d


o o g l e



s18

preventivemaintenance,determining

tyofpartsandassemblies.Lubrication,

riallyrepairsandoperationsandisone

ctingdependableserviceanduseful

ricatedinaccordancewiththelatest

thegeneralinstructionsection(OFSB

ormationandtotheProductGuide

dlubricants.

solidatedandchartedinschedulesfor

and12are lubricationchartsforthe

truck.In general,thechassisandslow-

deverysevendaysor 50hoursofvehicle

uldbecheckedfrequentlyandchanged

foperationormoreoftenduringpro-

driving,hardpulls,oridling.Gear lubri-

ndchangedseasonally,unlessoperating

hanges.Severeoperatingconditionsmay

rdetailedinformationseesectionVIII.

r casesshouldbeexaminedfrequently

ree.

ubricationwillbekeptfor every

willexecuteachecksheetatregularinter-

anddate atwhicheachcomponent

bed.

cationequipmentshouldconform

nsiblemanufacturersorthesupplyserv-

2fortheProductGuide.Duringfield

supplyacompleteassortmentoflubri-

meettherecommendationsanditwill

M


G o o g l e - d


o o g l e



Chevrolet)

ofthoseavailable,subjecttoinspection

consultationwithresponsibleordnance

sbyemployingtheequipmentpro-

wances.

10forgeneralautomotivelubri-

endtodevelopsqueaks,groans,

assisparts, instrumentpanelaccessories,

uchasmineraloil,castoroil,or greases

eirtendingto swellorrotthe rubber.

nbemadebymixing collodialgraphite

,andaddingenoughwatertoprevent

as penetrated.Thesolutioncanbe

uta needlespraywillbeneededtoforce

gcloseclearance.Rubberpartswhich

mslippingorrotatingshould notbe

INSTRUCTIONS.

nifoldheatingcontrolassemblies

egatevalveonthe intakemanifold

les.ApplyGREASE,graphite,light,to

heelbearingsmustbelubricated

Washbearingsandinteriorof hubs.

ose,No.2,intobearingsonlyand

wheelbinds.Backoff nutslightly

deplay.

eisfull floatingtypeandtheaxle

entbearings.

dnuts whichholdaxleandremove

oldbearings.Remove,wash,dry

purpose,No.2.

M


G o o g l e - d


o o g l e



ocknutuntil wheelbinds.Backoff

mitwheeltoturnfreelywithoutplay.

enandtestadjustment.

quippedwith eightOilitebear-

ntion.Oilitebearingsareimpregnated

ure,butoilmustbe replenishedasit

nths.

d,removeshaftfrombearingsandwash

,SAE10. Permitbearingstoabsorball

eawaysurfaceoil.

RefilleverysixmonthswithOIL,

notconfusewithhydraulicbrakeequip-

magethe bombliftmechanism.

rm,removeplugand filluntiloilis

thefivecottersandremovethetwo

ackingnutsatfirst evidenceofleaking.

servicingwillbekeptfor themateriel.

M


G o o g l e - d


o o g l e



Chevrolet)

o.—14NQ10-1684.Locatedonplateon dash.

!//

5

onofWINCHand BOMBLIFTTRUCK

ersal

se

UID

e)

OOD

M


G o o g l e - d


o o g l e



o.—14NQ10-1684.Locatedonplot* ondash.

HRECOMMENDATIONSATTEMPERATURESSHOWN

andServiceInstructionsonindividualUnitsandPartsNOTES

tionandServicebelow—10°,refertoOFSB6-11.

plyinglu-

seis

ON:

shing

Checklevel

ily

very

op-

miles,

all

Every

d

henen-

kon

nd

sure

u-

normal

of

ugh

e

every

-

ound.

rst

d

g,

n.

ndrear)

ack

wheels)

nt

f

SLIP

ntuntil

M


G o o g l e - d


o o g l e



Chevrolet)

UCK

o.—14NQ10-1684.Locatedonplat,ondash.

10)

onofTRUCK

e

inchandBombLift

M


G o o g l e - d


o o g l e



O.—UNQ10-1684.Locatedonplateon dash.

andServiceInstructionsonIndividualUnitsandPartsNOTES

tionandServicebelow—10°,refertoOFSB6-11.

plyinglu-

seis

ON:

—Remove

ter

oat

Withplat-

efill

ith

htopof

tebomb

lic

ises

ths,

with

UBRICA-

APD433JOA

ubricationChart—Winchand

M


G o o g l e - d


o o g l e



Chevrolet)

ERVATION

ekeptof eachmotorvehicleissued

rthispurposetheOrdnanceMotor

erallycalled"LogBook,"isissuedwith

yitatalltimes.This bookfurnishesa

omwhichvaluableinformationconcern-

osts,etc.,areobtained,andorganization

ectentriesaremade.Thisbookwill

vertopreventitsbeinginjuredor soiled.

ssignmentmustbedestroyedprior

therr eferencewhichmaybeposted

nizationmustalso bedeleted.

rcesofgreatestwearto avehicle.

owedto accumulate,particleswillsoon

es,causingunnecessarywear,andifthe

oncauseseriousdifficulty.Whenremov-

ts,inmakingrepairsand replacements,

workingjointsorbearingsurfacesare tobe

ghtfinditsway totheexposedsurfaces

Thetoolsmustbe clean,andcaremust

ossibilitiesof brushingdirtorgrit into

herpartoftheclothing.To cutoil-soaked

adoil,useSOLVENT,drycleaning,

abrush.Thevehicleisso designedthat

its properoperationbycarelessapplica-

mall.However,careshouldbetakentokeep

mightinterferewithproperignitionand

oggedshouldbeopenedwitha

beused forthispurpose,assplinters

anentlyclogthepassages.Particularcare

ontaminatevehiclesthathavebeen

IX fordetailsofthis operation.

M


G o o g l e - d


o o g l e



eforeissuetothe usingarms,and

llordinarilybeamplefor protection.

erielwillbe paintedwithENAMEL,

Theenamelmaybeappliedoverold coats

reviouslyissuedbythe OrdnanceDe-

sfactoryconditionforrepainting.

ssued readyforuseandare applied

brushedonsatisfactorilywhenusedun-

nsistencyorwhenthinnednomore than

ER.Theenamelwillspray satisfac-

ntby volumeofTHINNER.(Linseed

ince itwillimparta lusternotdesired

eshardenoughforrepaintingwithin

rs.

ationsconcerningpaintingexist.

finishwill notbepaintedwith

tingiscontainedinTM 9-850.

NG.

isin poorcondition,itismore

omthesurfacethantouse sandingand

g,itwillthenbe necessarytoapplya

houldbeusedonwoodasa basecoat

pliedeither bybrushingorspraying.

vedor aftertheadditionofnot more

M


G o o g l e - d


o o g l e



Chevrolet)

NNER.It willbedryenoughto touchin

ours.Forspraying,itmaybethinned with

umeofTHINNER.Lacquersmust-not

d,synthetic,withinlessthan 48hours.

iting,forbaremetal,shouldbeused

dapplicationis similartothatoutlined

ngdependspartlyontheselectionof

uponthecareusedin preparingthesur-

obepaintedshouldbe freefromrust,

ali,andmustbe dry.

ACES.

ning,theyshouldbewashedin a

poundof SODAASHin8quartsof warm

ndthenrinsed inclearwaterandwiped

edof cleaningshouldbetreatedinthe

utionmustnot beleftonformore than

ouldbe wipeddryassoonas theyare

equipmentisinfairconditionandonly

houldbetouchedwithENAMEL,

ndpermittedtodry.Thewholesurface

PER,flint,No.1,and afinishcoatof

lusterless,appliedandallowedtodry

used.If theequipmentisinbad condi-

hlysandedwithPAPER,flint,No.2,or

ER,ground,synthetic,andpermittedto

illthenbe sandpaperedwithPAPER,

anddirt,andfinalcoalof ENAMEL,

ppliedandallowedtodrythoroughly

GE.

derationinpaintingordnancevehicles,

Thecamouflageplanatpresentemployed

sandstenciling.

hENAMEL,synthetic,olivedrab,

endinreasonablywellwith theaverage

M


G o o g l e - d


o o g l e



ntmaybecomesothickasto crack

anunsightly appearance.Ifsuchisthe

ofalime-and-lyesolution(seeTM

,paintandvarnish.It isimportantthat

emoverbecompletelyrinsedoffandthat

forerepaintingisattempted.It ispref-

nsbelimitedto ironorsteelparts.If

st notbeallowedtoremainon the

forebeing thoroughlyrinsedoffand

revicesorcracksin woodshouldbe

andpaperedbeforerefinishing.Thesur-

ntedaccordingtodirectionsin para-

GDEVICES.

,andsimilar lubricatingdevices,as

sof aninchindiameterateachpoint

hENAMEL,red,waterresisting,in

cated.

M


G o o g l e - d


o o g l e



Chevrolet)

NVEHICLE

D.

edand willbefoundin thetoolbox

oolboxon theplatformdirectlybehind

noted:

accessoriesshouldbekeptinorder

maybeknownat alltimes.Itemswhich

iceableshouldbereplacedimmediately.

ndition(ifnecessary),andtreatagainst

ningthemtotheir location.

M


G o o g l e - d


o o g l e



UALCONDITIONS

TION.

eofautomotivevehiclesatlow

ichdonotexistat normaltempera-

epersonnelmustspendmoretimein

togivethisextraservicewill resultin

untoldexpenses,andalsofailureto

ndividedinto2ranges:—10 Fto

neandlubricantsundergochangesin

.Inmanycases,accessories,equipment

and intakeairarerequired.

sthat theoperatorshouldbe

ehiclein coldweather.

ofice crystalsfromsmallquantities

ausesconsiderabletrouble.Thefollow-

edtokeepwater outofthefueltank:

ble strainer.CAUTION:apositive

nedbetweenthefuelcontainerand

containerare independently

ible.

oholtoa tankofgasolinetoabsorb

ms.

ry:allowabout4 inchesoffuelto

ubricationattemperatureabove—10F

manualandin thelubricationguide.For

fthefollowingmeasuresmustbe

able:

M


G o o g l e - d


o o g l e



Chevrolet)

ure,ifpossible,whenit isnotbeing

drainthecrankcaseoilwhileitis

laceuntilvehicleisto beoperated

ilable,heattheoilbeforeputtingit

oiltoohot.Heatonly toapointwhere

thoutburning.)TAGTHEVEHICLE

NTHECABTOWARNPERSON-

EISEMPTY.

aulin.Aboutthreehoursbeforethe

potsunderthe tarpaulin.AVanPrag,

owtorchesorkerosenelanternsmaybe

firehazardsinvolved,theflamemay

line.Thetablebelowshows the

dtotheoilprescribedon thelubrica-

equantitiesofdiluentswill formmix-

mperaturesindicated.

diluted,turntheengineover sev-

thoroughly.

prescribedforuseas antifreeze

available,othermaterialsmaybe used.

rmissiblematerialsandthe quantity

atindicatedtemperatures.

M


G o o g l e - d


o o g l e



ALCONDITIONS

erialsareavailable.

nderheadseparatelybeforeadding

ns.

oolingsystem,addabout one

thecoolingsystem.

andmaintainengineoperating

soffanbelt.Replacerubberfan

ticbeltsbelow—20F.

ngoodoperatingcondition.

M


G o o g l e - d


o o g l e



Chevrolet)

hes,commutatorsandbearings.See

sareclean.

ordirtis onthestarterthrowout

escribedforuseat —10Fwith

ncesprecludedilutionoflubricants,

Playthetorch lightlyundertheentire

eatin onespot.

BRICANTS.

therlubricantsprescribedforuse

rylubricationaslowas—30F.For

—30Fusegreasecomparableto

rGREASE,O.D.No.00.UseOIL,

nggearhousing.

absorberfluidsremainfluidat

ECAUTIONS.

rethe air-fuelratiorequiredfor

butterflyvalvetoseethatit closes

nsproperly.

he aircleaners.Below— 30F

attemperaturesbelow—30F.

edometercablesatthedriveend

turesofbelow—30F.

ulb,strainer,etc.,inthefuel sys-

thechokeallthewayout and,

ltheenginehaswarmedup.Turn the

M


G o o g l e - d


o o g l e



ALCONDITIONS

thestarterandreleasestartingpedal

rtheenginehasstarted,idle ituntilit

smoothly.Donot racetheengine

asetheenginespeedandthen turn

hrottleatthesametime.

efollowinglistofcoldweatherac-

estionandmaybeemployedatthe

themateriel.

leshedsareuseful forcovering

s.

nPragblowtorches,ordinaryblow-

nternscanbeused forheatingvehicles.

or changingbatteriesquicklyare

l standsareusefulforheating

lhelppreventice formationinside

alcohol,aboutone-halfpintto a

esfromwaterin gasoline.

visedlocallyandhelpto keepthe

atures.

PERATION.

wingthingsshouldbechecked:

eptcleanand full.

dbekeptfree frombugsandforeign

culationofair.

lyadjusted.

be usedwhichrequirestheengine

hiswillcauseoverheatingdueto lackof

n.

be advisabletoremovethehood

tiontotheflow ofair.

r,andiftheneedlegoes intothe

M


G o o g l e - d


o o g l e



Chevrolet)

S

vemateriel34

dangerofgasattack,unpaintedmetal

engineoil.Instrumentsareincluded

byoilfromchemicalcloudsorchemical

ed.Carewillbetakenthat theoildoes

trumentsorleatherorcanvasfittings.

ctedwithcoversasfaras possible.

dcontainers.

llynoprotectionagainstmustard

th,forexample,willbe penetrated

heperiodduringwhichtheyareex-

earingthese articles.Rubberboots

hmustardgasmayoffer agravedanger

ysafter thebombardment.Impermeable

orethananhour, butshouldnotbe

materielthathavebeenexposedto

itemustbe cleanedassoonaspossible

ALCOHOL,denatured,andwipeddry.

withOIL,engine.

xposedtogasmustbe thoroughly

cleanammunitionuseAGENT,decon-

isisnot available,strongsoapandcool

munitiondrywithcleanrags.NOTE:

NT,decontaminating(chlorideoflime),

of chlorideoflimeonliquidmustard.

als(mustard,lewisite,etc.)from

uldbetaken:

M


G o o g l e - d


o o g l e



S

ompletesuitofimpermeablecloth-

eworn.Immediatelyafterremovalofthe

ndwater(preferablyhot)mustbetaken.

ontactwithmustard,ifevenaverysmall

e,orifthe vaporofmustardhasbeen

pletefirst-aidmeasuresbegiven within

.First-aidinstructionsaregiveninTM

dwillbe decontaminated.Ifthe

xposedtovaporonly,itmaybe decon-

air, preferablyinsunlightforseveral

teamingfor2hours.If theimpermeable

withliquidmustard,steamingfor6to 8

ndsof steamingdevicescanbeimpro-

thefield.

elofdirtthroughthe useofsticks,

rburied immediatelyafterthis

scoatedwithgreaseor heavyoil,

vedbeforedecontaminationisbegun;

ravailablesolventsforoilshouldbe

sticks.

rfacesofthematerielwithbleach-

part AGENT,decontaminating(chloride

solutionshouldbeswabbedoverall

thwater,thendryandoil allsurfaces.

instrumentsexposedtomustardor

withAGENT,decontaminating,non-

fifteenparts solvent(ACETYLENE

otavailable,usewarmwaterandsoap.

ed,becauseofits corrosiveaction.

donlywithPAPER,lens,tissue,usinga

yl.Coatallmetalsurfaceslightlywith

taminating(chlorideoflime),isnot

rarilycleanedwithlargevolumesofhot

njointsorin leatherorcanvaswebbing

M


G o o g l e - d


o o g l e



Chevrolet)

eandwillremainaconstantsourceof

properlydecontaminated.Allmustard

nerlies unchangedontheground,neces-

abeplainlymarkedwithwarningsigns

tingofmaterielcontaminatedwith

undsintothesoil,poisoningmanywater

rmenoranimals.

thathasbeencontaminatedshouldbe

hingsolution.Inthiseventthistreatment

ytoburn orburysuchmateriel.

ntaminationiscontainedinFM

1,Decontamination.

ORAUTOMOTIVEMATERIEL.

ctedtogasattackwiththe engine

servicedbyremovingtheoil,flushing

drefillingwiththepropergradeof oil.

eanedin thesamemannerasout-

illbediscarded.

oroughlywithbleachingsolutionis

eld.Operatorsshouldconstantlybeon

nditionsofhightemperatures,forslow

wisite.

illbedecontaminatedwithbleaching

essaryafterthisoperation.

M


G o o g l e - d


o o g l e



NMAINTENANCE

ERATIONS

airsbythecrewand otherunitsof

heeasewithwhichtheprojectcanbe

eavailable,thenatureoftheterrain,

es,concealment,shelter,proximityto

ble,andtheskill ofthepersonnel.Allof

temof procedurecanbeprescribed.

ncludedinorder thattheoperation

dbythosedoingthework.

bricating,tighteningboltsand

mentsofsubassembliesorassemblies

irsto,or replacementofapart,sub-

accomplishedwithoutcompletelydis-

ssembly,anddoesnotrequireheavy

itting,and/oralining.

hepart,subassemblyorassembly

with aneworreconditionedorrebuilt

whicheverthecasemaybe.

yreconditioningandplacingin

viceablepart,subassemblyorassembly

lding,riveting,machining,fitting,

formedbypersonnelofthe using

ancemaintenancepersonnel.Additional

nceoperations(removalandreinstalla-

ndfrontaxle groupassemblies)may

garms,providedproperauthorityis

ancepersonnelbeforetheworkis started.

M


G o o g l e - d


o o g l e



Chevrolet)

mbly—Replace

es

bly

bly

ssemblies

ce

vice

assemblies

eplaceandadjustpoints

blies

mblies

linderhead,fuelpump,manifolds,oil

M


G o o g l e - d


o o g l e



ERATIONS

sembly

ly

lies

ceassembly

RINGS

ace

laceassembly;replacelinkage

mblies

eassembly

storreplaceassembly

bly

M


G o o g l e - d


o o g l e





OPERATIONS

M


G o o g l e - d


o o g l e



Chevrolet)

0

twheeldrivingunit,consistingof

hereisprovisionfor mountingspe-

sandaconventionaltypedifferential.

xleshaftsequippedwithconstant

chareenclosedinthesteering knuckle

M


G o o g l e - d


o o g l e



JUSTMENTS,

E.Refertoparagraph174a(2).

M


G o o g l e - d


o o g l e





acktheuniversaljointwithLUBRI-

ccordingtoinstructionsgiveninpara-

tothehousing,rotatingitslightly topick

sidegear.NOTE:Wheninstallingthe

eventdamagingtheoilseal.

moval

UCKLE.Lubricatetheaxleshaftwherei t

asherinthe steeringknuckle.Using

nucklewiththe keywayatthetop.

E.Thebrakeflangeplate,oildeflector

uldbeinstalled.Spacetwo oftheanchor

llywithreferenceto thewheelcylinder.

shersandtightenthemsecurely.

TE.Installthebrakeshoe anchorplate

hespecialpliers,replacethebrakeshoe

heelcylinderclamp.

M


G o o g l e - d


o o g l e



Chevrolet)

EARINGS.Installthewheelhubandbear-

ngtoinstructionsgivenin paragraph

ustment.

ch,open-end,1-in.

dwrench,removetierodattaching

removethetierod.

dismadewitha bendtoclearthe

dedwith acoarsethreadtoscrewinto

s threadedwithafinethreadfor making

ngthetierod,loosenthe twopinchbolts,

shouldthenbe screwedintotheright

umof Vs-inchclearancebetweenthe

heleftsideand thetierodon afullleft

hisclearance,installtheretaining

efttierod endtoprovide0-inchto

eforchecking.Tochecktoe-in,mark

hetread ofbothtires.Setthe twotires

thefrontofthetruckon alinewiththe

ymeasurethedistancefromthecenter

wrevolvethewheelssothat thechaUc

arandoncenterwith thewheel.Again

echalkmarks.Forthecorrecttoe-in

emeasurementsobtainedshouldbe

htheshorterdistance,ifany,atthe front.

uringpropertoe-in,it maybenecessary

erightsteeringarmandscrewthe end

n. Thenscrewthelefttierod endon

rtoe-in.Recheckthefourtie rodend

re tight.

OLT.Installlocknutonthetierod to

down,wrenchtight,andbackoff

henutwith acotterpin.

M


G o o g l e - d


o o g l e



le assemblyshouldbereplacedas

yRemoval

oosenthesixwheelstudnuts oneach

st backofeachwheelandliftup

M


G o o g l e - d


o o g l e



Chevrolet)

tbyremovingthefourU bolt

Tnff-inchendwrench,andremovingthetwo

earingsinplacetopreventthemfrom

will savetimeinreassembly.Slidethe

owerthe endofthedriveshaft assembly

the thirdarmbyunscrewingthe

inkwitha heavy,widescrewdriver.

ovingtheconnectionattheframe

Disconnectbrakelinespring fromthe

thedifferentialwithajack.

sfromthe springUboltswitha

ckabsorberattachingplatefromthe

linkup outoftheway.

owingtheheavysideofthe axle

nd rolltheentireaxleand wheelas-

ethetireandwheelassemblies.

everseorder toremoval.

ined inthissection.

llbrakewheelcylindersafter

oparagraph56for thisoperation.

M


G o o g l e - d


o o g l e



uction,fullfloating,hypoidtypewith

da hightractiontypedifferential.

axleshaftscanberemovedwiththe

els.

M


G o o g l e - d


o o g l e



Chevrolet)

ectandreplaceoil

JUSTMENT.

erbendthelugsof thelockplate

witha 3/i-inchsocketorendwrench.

inthethreadedholesprovidedin the

ecapscrewsalternately,theaxleshaft

vetheterneplategasket.

wterneplategasketontheaxleshaft

ningitslightlyto pickupthesplines

ltheeightcapscrewsin theflange

drawthemuptight.Thenbendthe

eheadsofthecapscrews.

Replacement.

andset thebrakes.

wsandpull outtheshaftsfar

debearings.

erthe propellershafttothefloor.

n placeandheldwithtape(fig. 108).

ckwashersthatretain thethird

using.

anthenbe removedbypulling

removal.

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

shouldbereplacedifit becomes

nd,TVin.

nd,{f-in.

ubnut

tandloosenthe wheelhubnuts.

dplaceastandjack underthe

wheelstoprovideclearanceatthe

nnecttherearU jointandlowerthe

ionbearingsinplacetokeepthem

mthe mastercylinderwhereitjoins

othewheelcylinders.

thedifferential,centeringthe

vetheeight(four oneachside)

ethe shockabsorberlinkandbracket

mblycanbe wheeledoutfrom

aybereplacedinreverseorderto

llbrakesafter replacingtheunit.

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

threesections:thecowl,frontfloor

platform.

etalconstruction,madeupofindi-

drivetedintoa completeassembly.

isof all-metalconstruction.The

Aremovablefrontfloorboardis usedto

ectlybelowthefloor.A removableseat

andcoversthegastank whichislocated

riser,ismadeofoakmountedon

arespacedwithsufficientclearance

normal swellingofthewooddueto

theboardsarecoveredwithspecialsteel

form.

tfloorat eachside,andtheupper

platformisthenboltedto theback

bolts,makingacompletefloorand

s attachedtotheframebrackets

oftheseboltsare atthecowl,twoatthe

urintherear platform.Figures19,20,and

hingbolts.

overedbya canopytop.

bularuprights,thebottomofwhich

thefrontplatformassembly.Tubular

achingtotheside ofthefrontplatform

achside.Crossbarsrunbetweenthe

oftheseatsandat thetopoftheuprights.

M


G o o g l e - d


o o g l e



ashAttachingBolt

AttachingBolt

M


G o o g l e - d


o o g l e



Chevrolet)

lt

wercrossbar runsupoverthe

windshieldframeby10lift-the-dottype

andsupportedatthelowercross

vided.

ddedarmrestsare used.

seatriserbracketsbytwo thumb-

leforwardandbackbyremoving

heminanyone ofthefourtappedholes

mountedinbracketsattachedto

nthecanopyis notinuse,thewind-

crewsatthelowercorners.

edIbeamisrigidlymountedto

ompartment.ThisI beamcurves

M


G o o g l e - d


o o g l e



upport.Bracesattachedattheback

eI beamatthebackofthe body.

on theplatformtotheright ofthe

ismountedon theIbeamsection

nthebombtrailer.

vehicle,requiresacertainamount

e checkedattheendof1000miles

hereafter.

e bracketbolts.

msillscrews.

s.

lts.

ngsupportbolts.

oltsat platform.

e lubricatedwithOIL,engine:

rumshaft.

ear.

ankgearshaftretainerandlubri-

drumraisetheratchetpawl,pull

the cablefromuncoilingonthedrum,

ddistancetopickupthe load.The

chetpawlandreleasethebrake.

edesiredheightby turningthehoist

olowertheload,while holdingthe

wland applythebrake.Theloadmay

oisthandleinacounterclockwisedirec-

h,open-end,}g-in.

M


G o o g l e - d


o o g l e



Chevrolet)

st

M


G o o g l e - d


o o g l e



T^-inchwrenchremovetheU

ethetwo shortandtwolong

blefromthedrum.Use ^-inch

mp.

gearshaftand removeretainer

tiongearretainer;removethe

arout ofitsbearing.

ethenuts fromthethroughbolts

fromthedrum.

chetpawlpivot pin.

dviewofthehoistassemblyparts.

VENT,drycleaning.

roken,chippedorcrackedteeth.

r wearorscoring.

ng.

ould bereplaced.

h,open-end,TVin.

keshoeandratchetpawl tothe

easonalgrade,andinstallthepivot

erpin.

hesupportbrackets,installthe

wrenchtightenthe nutssecurely.

withOIL,engine,seasonalgrade.

haftwithOIL,engine,seasonal

portbracket..»

ner andlockitin placewitha

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

hoil,engine,seasonalgradeand

nstallretainerandlockit inplacewith

ndtighten mountingboltswith

llU clampwhichanchorscable

n thedrum.

MENT.

dshieldtop.

perhoseatthe leftsideofwind-

adjustingscrewsandflatwashers

movethe threeboltswhichattach

ketstothe windshieldsupport.

mbly.

7j-in.

permotorhosefromthesuction

escrewswhichattachthesuctionpipe

frame.

wrenchremovethehexagonhead

ieldframewhichretaintheframe

ldframetoremoveallrust.

7j-in.

raroundtheedgeof thewindshield

us materialtogetherandcut

esasmoothjoint.

M


G o o g l e - d


o o g l e



annelfreelywithOIL,engine,SAE

fillertoslipfreelyinto place.

othechanneluntil itisfirmlyseated.

erandretainingbolts.

rwitha sharpknife.

eoilsoftensthe filler,causingitto

htseal.Ittakesapproximately24

ler;therefore,waterleaktestsshould

nhastakenplace.

esuctionpipe,wipermotorhoses,

tion.

yinthe windshieldframe.

acketthatwasremovedin dis-

he threebolts;usingaVz-inchopen-

adjustingscrewsandwashers.

rhoseatleft sideofwindshield.

en towindshieldheader.

M


G o o g l e - d


o o g l e



Chevrolet)

61

N

draulicallyoperatedservicebrakes,

hanicallyoperatedparkingbrakeand

ke.Inordertounderstandtheopera-

m,it isnecessarytohaveathorough

dtheir functionsandtoknowwhat

mduringapplicationandreleaseofthe

thefrontwheelis showninfigure24.

alis transmittedfromthepush

linder,thenintothe pipelinesandinto

eforcesthepistonsin thewheel

ebrakeshoesagainstthedrum.Asthe

pressureis builtupwithinthe hydraulic

oexertgreaterforceagainstthe brake

thehydraulicpressureisrelievedand

drawthe shoestogether,pressingthe

dforcingthefluidout ofthewheel

rdthemaster cylinder.

M


G o o g l e - d


o o g l e



—FrontWheel

M


G o o g l e - d


o o g l e



Chevrolet)

l.

rBrakes.

n-

rate.

M


G o o g l e - d


o o g l e



houtthe removalofthewheels,

aveopeningswithspringsnapcovers,

aybereached.Therearbrakesare

inionon theinsideoftheflange

standsfrontandrearso thatall

rontWheel

versfromthefront flangeplates

headjustinghole andengagethe

hewheelcylinder(fig.25).

M


G o o g l e - d


o o g l e



Chevrolet)

clockwisedirection,lookingat

shoescauseaslight dragonthedrum.

—RearWheel

four notches.Eachnotchbacked

ickofthecoverlockspringas thecover

eadjustingcovermovesthebrakeshoe

operrunningclearanceoftheshoesinthe

vers.

as/s-inchopen-endwrenchto

Turnthepinionin aclockwisedirec-

agonthedrum.

cktwo-thirdsofaturnor foursides

oproviderunningclearance.

M


G o o g l e - d


o o g l e



omneedstobeadjusted.Thepedal

kemaincylinder,ispermanent.Before

arancebecertainthatthepedalreturns

ly,withnobinding,andthatthe pedal

tension.

earoftheclevison themastercylin-

wrench.

e clevisattachedtothemaster

eproperdirectiontosecureVi-inch

beingtakenbetweenpedalarmand

he clevis.

TMENT.

nd,fipin.

/s-in.

tshouldbecheckedeachtimethe

sted.

releasedposition,then detachpull-

kwireat(1) andturntheadjust-

0.015-inchclearancebetweenthebrake

anchor.

ewwithalock wire.

tlocknut(6)on figure28,using

tosecure0.020-inchbetweenthe

Tightenadjustingscrewlocknut(6).

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



nchloosenlocknuton largeadjust-

freeoftheadjustingnut.See No.10on

ingbolt(5)tosecure0.020-inch

andandthedrum.Then tightenthe

headjustingnut topreventupsetting

acesofthe brakecontrollinkageand

SYSTEM.

open-end,iVin.

/s-in.

a-in.

ustbebled wheneverapipeline

eakhas allowedairtoenterthesys-

metimesbeevidentthroughthepres-

irtrappedin thesystemiscompressible

to thebrakepedalfrombeingtrans-

temmust beABSOLUTELYfree

orebleedingthewheelcylinderlines

drovacboostersystem,itis firstnecessary

ocedureis explainedinparagraph62.

nbled,proceedwith bleedingthe

pipelineof thebrakesystemshould

ceforbleedingis:leftrear,left front,

Seebleedingdiagram(fig.40).Dur-

tercylindermustbekeptat least

The mastercylinderfiller(fig.29)

ectfluidlevelinthemastercylinder

dirtfromaroundthemaster

%-inchopen-endwrench.Install

nautomaticvalveinthefiller.

M


G o o g l e - d


o o g l e



Chevrolet)

NING

CKNUTS(LOWERSHOE)

WERSHOE)

E)

JUSTING)

S(UPPERSHOE)

228

truction

M


G o o g l e - d


o o g l e



usingyVinchopen-endwrench.

pingtheendof thedrainhosebelow

elcylinderone-halftothree-quar-

dwrench.

nd,allowingittoreturnslowly.Con-

sthefluidthrough thelinesandoutat

any airinthe system.Whenbubbles

leederdrainhose shutoffthebleeder

r

at theendofthebleedervalve.

eencompletedatall wheels,fill

roximatelyfull,andreplacethefiller

M


G o o g l e - d


o o g l e



Chevrolet)

wrench.NOTE:Fluidwithdrawninthe

usedagain.Onlyapprovedbrakefluid

BING.

doublelayer,flexiblesteeltubing,

o tostandupunderthe highpressures

ingthebrakes.

ectionwithmakinguphydraulic

oftheendsof thetubingforthecompres-

nder

is properlyflared,thecouplingswillleak

tive.

tbedouble-lap-flaredinorderto pro-

M


G o o g l e - d


o o g l e



)is usedtoformthedouble-lap

Tool

length,usingtubecutterto prevent

uareoff theendwithafine-cutmill

withthereamerbladeprovidedonthe

beseen infigure32.

M


G o o g l e - d


o o g l e



Chevrolet)

nuts onthetubing.Dipend of

brakefluid.Thislubricationresultsin

Tool

osenthe clampingnutsontheflaring

etubinginthe channelofthedieuntil

33).

operDepthin Tool

handandplacethefixturein a

eclampingnutsfirmlywith awrench

edie.Thetubingis nowfirmlygripped

are-formingoperation.

M


G o o g l e - d


o o g l e



J-1280-2)havingthe concave

edieandstrikefirm blows,usinga

ulderofthetoolcontactsthetop of

Operation

g(fig.34) showsthefirststepin

tool(J-1280-3)havingthe

nsertthetoolin thedieandstrikefirm

er,untiltheshoulderofthe toolcon-

sectiondrawing(fig.35)shows

ationinmakinga double-lapflare.

Operation

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

,flexiblebrakehoseis usedat

betweenthemainpipelineandthe

Topreventthebrakehoseatthe front

mpisconnectedontothehoseand a

ockabsorberlink.Thecompositionof

mitsa.great amountofflexingaction

dseal,thuspreventingair leaksor

caremust betakentomake

roperlyinthecouplings;otherwise

meineffective.Thiscanbechecked

foot pedalandatthesame time

urroundingthehosejointforany signs

ubblesappears,itwillbe necessary

Ifproperseal cannotbeobtained

lacethe couplingasoutlinedinpara-

nder(fig.36)receivesmechanical

exertspressureonthefluidin the

essurewhichmovesthe wheelcyl-

heldagainstthepistonbythe piston

hereturn valveagainstitsseat.The

ein thelinesandin thewheelcylin-

nceof airintothesystem.The

otheoppositeendof thepiston,pre-

erubberboot.

wthefluidto flowfromthe

ntothe spacebetweentheprimary

keepingsufficientfluidinthe linesat

(15)allowspressureto equalize

ndmustbekeptcleanandopen, as

mperaturechanges.Holesinthevalve

ughthecageandaroundthelip ofthe

elinesduringbrakeapplication.When

forcedoffitsseat,permittingthe

nder.Thepushrodassemblyis held

gbymeansofa snapring.Therubber

M


G o o g l e - d


o o g l e



dandoverthe endofthehousing

nmatterfromenteringthemaster

inthemastercylindershouldbe

every1000miles.Forproperlevel,

uldbeapproximatelyfull.Anynotice-

ystemwhichshouldbelocatedand

box,s/s-in.

Vin.

yshouldberemovedandreplaced

amaged.

ercylinderlinkto idlerlever.

astercylinderendplugwith a

fluidcannotrun out.

switch.

tachthemastercylinderto the

wrench.

nnect,andrefillwith fluid.Bleed

ntainstwopistons,their purpose

nlyto eachofthetwobrakeshoes.

rposes:first,tocoverthe ends

ranceof dirtandforeignmatterinto

asa meansofadjustingthebrake

nce,sincetheyarethreadedtoreceive

hfitthewebs ofthebrakeshoes..

k

KM)

nd,/ij-in.

i-in.

nut

M


G o o g l e - d


o o g l e



Chevrolet)

pot.Inorderto removethe

hevehiclemustbejackedupand

tudnutwrench.

Seeparagraph174a(2)to(7).

romthe wheelcylinder,using

ingspringwithbrakespringpliers.

dthe cylindertothebrakeflange

cylindercanbe takenfromthe

n-endwrench.

assembly,reconnectandbleed

MENT.

river,8-in.

eder,J-747(KM)

ain.

nd,TVin.

s-in.

eelstudnut

kup vehicleandplaceonfour

h,removestudnutsandtakeoffall

paragraph174a (2)to(7).

ms andbeforedisassemblyofthe

nings shouldbeinspectedforwear,

venwear,andoilorgreaseon linings.

din(4) aboveexist,itwillbe neces-

M


G o o g l e - d


o o g l e



snoticedthatthey havetheappear-

hatthisis anormalconditionwiththe

eawirebrush oranyabrasiveonthe

faceasitis essentialforproperoperation.

nbeobtainedbyreplacingonlythe

ningsdonot showexcessivewear.Tests

reverseliningwilloutlasttwosets of

othfrontandrear wheelbrakes.Shoes

s,bothforwardshoesonfrontwheels,

on frontwheels.Thesameistrue on

moved,installwheelcylinderclamps

derpistonsinplaceandpreventleakage

es.

rClamp

gsprings,usingspecialbrakespring

rpinlockand pin—oneonfront

ionspringpinlock,pin andspring.

omshoesbyremovingpinlockandpin.

rontwheelbrakepartsand figure39

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

s,pins,frictionspringsandlocks.

shoesto anchorplate.

eshoeguiderivetedto theanchor

ithoutexcessivesidemovement.

pring andremovewheelcylinder

adjustthe wheelbearingsasout-

REPLACEMENT.

nd,,Vm-

/s-in.

her,adjustingnutflatwasherand

lt, usingas/s-inchwrench(5)and(10)

pinfromoperatingcamand adjust-

justingboltandshoesprings.

adjustmentscrew(6)(fig.28) and

spring,usinga ^-inchopen-endwrench.

kwire(1)(fig.28) andremove

emblyoffthe anchor.

andshouldbeformedas neces-

hedrum.

mountingandadjustitaccording

h55.

STEM.

ostersystemisinstalledtomake

pressureonthehydraulicbrakesystem

s footpressureonthebrakepedal.This

itytostop quicklywhendrivingathigh

steepgrades.In otherwords,thehydro-

powerunit thatappliesadditionalforce

M


G o o g l e - d


o o g l e



hydrovacunitis acombinedhydraulic

gthevacuumcreatedintheengineintake

is aself-containedunitandisplaced

derandthemainline leadingtothewheel

constructedthatincase ofenginefailure

hehyraulicfluidfromthemaster cylinder

ebrakeswill functionwiththeregular

der,J-747(KM)

i-in.

tem,thehydrovacunitmustbebled

ttemptingto bleedatthewheelcyl-

din theordershowninfigure40. After

completed,thewheelcydindersarebled

reviouslygivenforbleedingbrakes.

,start theengineandoperatethe

pressingthebrakepedal.Stopthe

eedervalveonthehydrovacslavecylinder

wercylindershouldbelubricated

monthsservice(whicheveroccursfirst)

vethepipeplug(using aVi-inchopen-

her elayvalveendoftheunit and

centerplate,andinjecttwoouncesof

g.Replacelubricationplugs.

ehydrovacunitshouldbecleaned

ixmonths.Allhoseconnectionclamps

fittingsandhydraulicconnections

anershouldberemoved,disassembled

fthetruckisoperatingunder dirty

becleanedmorefrequently.Remove

eaningelementandwashthoroughly

owtodry,thendipthe elementinOIL,

eanalldirtfrom theinsideoftheair

Alayoutoftheair cleanerpartsis

-end,-Jg-in.

itthehydraulicbrakelines which

wheelcylinder,usinga/B-inchopen-

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



totheair cleanerandthevacuum

nthehydrovacunitto theframe

-endwrench.Removethehydrovac

heframesiderail andtightenbolts

mlinehoseconnection.

mmastercylindersandwheelcylinder.

gsystemaccordingtoinstructions

evacuumlinecheckvalveis

supportfitting.Thepurposeof thisvalve

ovacunitinthe eventtheenginestalls

fthehydrovacbrakingsystembemade

thisvalverequiresno attention;how-

dbedisassembledandcleanedorreplaced.

ValveParts

KECONTROL.

trailer-brakesismountedunderthe

asshowninfigure44. Thecontrolunitis

ampedtothefootbrakepedal pullrod,

esareapplied,thetrailer-brakesalsoare

incorporatedinthisunitwhichcontrols

accordingtomainlightswitchposition.

M


G o o g l e - d


o o g l e



Chevrolet)

ntheinstrumentpanelhasfourposi-

heavy,andheavyloads,designatedby

loadinthetrailer islight,theload control

avy,itshouldbe setatNo.4.I nother

set inaccordancewiththeweightofthe

t.Adjustmentoftheswitchpull

-end,fVin.

clevisat clamp.

min fulloffposition(towardrear).

eratingarminfulloff positionand

on,clevispin canbeinsertedwithout

osition.

tightenclevislocknut,usinga

witchbladeandcontactsshouldbe cleaned

per.Figure45showsaviewof thecon-

BAdjustment

M


G o o g l e - d


o o g l e



keConstruction

M


G o o g l e - d


o o g l e



Chevrolet)

rydisktype,incorporatingaspring-

ngagementpressureis suppliedby

heclutchis controlledbytheclutch

fork,andthrowoutbearing.

engagingand disengagingtheengine

riveunits forstarting,shiftinggears,

pedal,whichpulls thepedalend

hisforcesthethrowoutbearingagainst

ecenterofthe springforward.Thisdis-

ouldalwaysbeengagedslowly,asquick

ainonallpartsofthe drivingunit.

srequiredforclutchdisengagement;

rdrivewithhis footonthepedalas this

maturewear.

just pedalfreetravel,

clutchdisk.

heckfitof drivelugson

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

mitstheclutchpedalto returntoa

hefreetravelbeforethethrowoutbear-

between1inchand11Ainches.

ntheadjustinglocknut (fig.47)

ustingnutuntil 1Winchfreetravelis

M


G o o g l e - d


o o g l e



avelAdjustment

ovedbeforethe clutchcanbe

emoval,sectionXXXI,ofthismanual

fromthefork.

ndwitha s/s-inchopen-end

kfromtheclutchfork.

ssingit awayfromitsmounting

snapsloose fromtheball.

emovedfromtheforkbypryingit

me.

vethethrowoutforkmounting

M


G o o g l e - d


o o g l e



Chevrolet)

No.K-411,tosupporttheclutch

chethandleloosenthe nine

t atime(to.preventcoverdistortion)

ureis released.

emblyanddiskfromtheclutch

emoval

hethandleremovethe three

pringsandremovethepressureplate

ig.48).

mspring,andtwopivotrings are

nassembly.

rowoutbearinganddisk)inSOL-

flywheelforscoresorcracks

hoperation.

edrivelugsfor excessivewearor

r.Theyshouldhavefrom0.002-inchto

M


G o o g l e - d


o o g l e



orroughnessandfree fitonthe

indrivegearbearingretainer.This is

gandmustnotbe washedastheSOL-

ubricantanditwouldbethrownout into

nThrowoutFork

e throwoutfork(fig.49).This

orn,looseoroil-soakedfacings,and

looseonhub.Checktosee thatthe

andthatthey movefreelyonthesplines

areworn,thediskshouldbe replaced.

thethrowoutforkmountingball

M


G o o g l e - d


o o g l e



Chevrolet)

hecoverassembly,makingsureto

platelugwiththeJ'O"markonthe

o maintainproperbalance.

chethandleinstall thethreepres-

clutchis nowreadytobereassembledto

he"X"markontheflywheelis at

eplate, andcoverassemblyand

411clutchpilot tool.Turntheclutch

e coverlinesupwiththe"X"mark on

mblywithFlywheel

M


G o o g l e - d


o o g l e



Vinchratchetwrenchtightenthem

stortingthecoveras thespringpressure

ot tool.

witha smallamountofGREASE,

ew springretainerinthegroovein the

wornordamaged.NOTE:Makecertain

highsideof theretainerup,awayfromthe

ftheretaineronthe horizontal.

theclutchhousingandsnapthe

side ofthethrowoutbearingcollar

ewitha smallamountofGREASE,gen-

CollarLubrication

M


G o o g l e - d


o o g l e



Chevrolet)

ninstallthethrowoutbearingonthe

refulnottousetoomuchlubricant.

enchinstalltheadjustmentlink and

explainedinsectionXXXIofthis

xplained,inparagraph67.

M


G o o g l e - d


o o g l e



aradiator,fan shroud,fan,thermo-

belt,hosesandconnections(fig.52).

acityis171Aquarts.

i-in.

-1313(KM)

examinedfrequentlyandreplacedif

.

heckedtosee thattheyaretight(75

nch)andthatthereare noleaksaround

edandifit isworn,crackedoroil

M


G o o g l e - d


o o g l e



Chevrolet)

mofCoolingSystem

ntwhenitcanbepushed 3/4-inch

weenthefanand radiatorpulleys.

M


G o o g l e - d


o o g l e



Replacethermostat.

)Closeshut-offcock,

Tighten,

)Tighten,

STEM.

valvelocatedatthebottomof the

penthevalvelocatedonleftsideof

3).

EM.

temhasbeendrained,runmotorat

rto preventairpocketsfromforming

radiatorifthe waterinthecooling

asthecoldwatermaycrackthecylinder

M


G o o g l e - d


o o g l e



Chevrolet)

nCock

fillthe radiatorfull.Leaveabout

fwaterandtopof radiatortoallowfor

willpreventlossof antifreeze.

ator.

otoratrearcylinder.

or,duringcoldweather,withan

the fillercapgasketisin good

tontheradiatorneck.

LERCAP(fig.54).

ledby apressurecapwhichmain-

olingliquid.Thepressurecapconsistsof

builtaspring-loadedvalve.Theover-

M


G o o g l e - d


o o g l e



ckislocatedabovethevalveseat sothat

thecapisin position.Whenthepressure

Vito4Vipoundsper squareinch,the

urein thecoolingsystemthroughthe

ap

he bayonetsonthecapcomein

econdsto allowanypressureor

erflowpipe.

elieved,presscapdownandturn

.

nreplacingpressurecap,besure

actoryconditionsothatit formsaseal

ller neck.

M


G o o g l e - d


o o g l e



Chevrolet)

uippedwitha fanshroudwhichis

olts,threeoneachsideof theradiator.

h,open-end,iV>n-

socket,Vi-in.

d theradiatorbracetothe radia-

hichattachthefanblades tothe

des,using ,7,i-inchwrench.

loomfromthe clipsalongthe

ichattachthefan shroudandradia-

eachside),usingVi-inchsocketand

deandslip itpastthebolt which

hebraceand liftthefanshroud

dintoplace.

ichattachthefan shroudand

hichattachthefan bladestothe

loomin theclipsalongthetop

inplacewiththe twoboltswhich

radiatorsupport.

mblyis18 inchesindiameterand

M


G o o g l e - d


o o g l e



hichattachthefanblade assembly

ly.

S.Installthefourcapscrewsthroughthe

npulley.

theVtype anditdrivesthefan,

tormountingbracketandtheend

t

M


G o o g l e - d


o o g l e



Chevrolet)

untingbracket.Movingthegenera-

the belt.Movingthegeneratortoward

correctadjustmentisobtainedwhen

fromnormalas showninfigure55.

atormountingbracketandtheend

rproper tension.

ntingbracketandthe endofslotted

engine.

orpullfty.

aftpulley.

pulley.

pulley.

ountingbracketandendofslotted

ofthe centrifugalballbearing

bricationduringthe lifeofthepump.

Vi-in.

hopen-end,s/s-in.

P.

ampthe hosetowaterpumpand

mp.

M


G o o g l e - d


o o g l e



endofthe generatorbraceand

elt.Removebeltfromwaterpump

hichattachthepumpto thecylinder

anblades asanassemblybyturningit as

P.

terpumpandcylinderblockand

lyinposition.

atholdthepumpto thecylinder

reepulleysandadjust toproper

verthewaterpumpopeningand

radiatorandmakesurethereare no

57).

fromthetop oftheradiatorto the

sfor thepurposeofrelievinganyair

amor surgingofwaterwhenthevehicle

s-in.

noattentionotherthankeepingit

ntend oftube,tightenorreplacehose

oftube,tightenpackingnut toshut-off

FFCOCK(fig57).

t-offcockis topreventthecooling

statundercoldoperatingconditions.

watershut-offbypassclosedwhenthe

nlessthevehicleisdescendingsteep

M


G o o g l e - d


o o g l e



Chevrolet)

MP

al

M


G o o g l e - d


o o g l e



ermostatislocatedinthewater

d.It issettostart openingatabout143

degrees.Theengineshouldnotbe operated

-in.

AT.

thscrewdriver.

achthewateroutletconnectionto

wrench.

ion.

ongasket.

T.

rtsofbellowsto frontandrear.

n.

seclamps.

sof thetubeandfinconstruction

ssupportedinsteelanchorageandbolted

tothefrontcrossmemberthrougha

h,open-end,fg-in.

socket,Vi-in.

M


G o o g l e - d


o o g l e



Chevrolet)

M


G o o g l e - d


o o g l e



ttachtheradiator bracetothe

he'dash.

loomfromthe clipsalongthetop

reeon eachside)thatholdthefan

ort.

thefanshroudto oneside,slipping

eradiatorsupportbrace.

amemanneras thefanshroud

oval

M


G o o g l e - d


o o g l e



Chevrolet)

radiatorcore inplace.

e/

oughthefanshroudandradiator

min clipsalongthetopof the

or support.

nsandclamps.

tdash.

owaterleaks.

EM.

ivena systematicservicingevery

,inthespringand fall.

ing waterrunthroughitfor afew

nclearina coupleofminutes,thesys-

shingsolution,followingtheinstructions

n.When flushingthecoolingsystem,

edto thelowerconnectionofradiator.

atshowsignsofdeterioration.

ustpreventive,whenfillingthecool-

waterleaks.

ph30foruseofantifreezesolutions.

M


G o o g l e - d


o o g l e



YSTEM

ethreeunits:thebattery,the start-

Important.Somevehiclesarepositive

unded.Beforeremovingbatteryor

andinstall partsaccordingly.

cenergyand theswitchcompletes

nergytoflowto thestartirigmotor.The

nergyanddoestheactualworkof

equipmentisusedfor ashontimeonly

gainneededto starttheengine.The

functions.

tingmotordrawsa largeamountof

e,whereasthegeneratorreplacesthis

a lowerrateforamuchlongerperiod

TENANCE.

-ampere,

onceaweekto obtainmaximum

withdistilledwater,lift offthe

ventcapsfromthebattery.

M


G o o g l e - d


o o g l e



Chevrolet)

tofBatter/

chcellwitha reliablehydrometer

will showareadingof1.275to 1.300.

willshowareadingofapproxi-

240,the batteryshouldberecharged

chargedconditioninvestigatedandcor-

uldbefilledwithdistilled waterto

inits hangeratalltimes.

M


G o o g l e - d


o o g l e



YSTEM

ept tightandfreeofcorrosion.

movethemfromthe battery,scrape

heterminalandthenwashthemoff ina

on,plainwater,orbakingsodasolution.

nd shouldberemovedfromthe

orandbrushesinspected.Ifthe commu-

ithNo.00sandpaper.Thenblowout the

ancommutator.

M


G o o g l e - d


o o g l e



Chevrolet)

truckis a19-plate6-voltbattery

perehours.The batteryismountedin

esiderail justtotherear ofthecab

(fig.59). Aremovablemetalcover

hebatteryfrommudanddirt. Italso

dfiHingthebatterywithdistilled water.

coverandremovecover,using

ableclampboltswithA-inch

ampsto loosenthemfromthe

ablesfromthebatteryterminals.

ndsofthe batteryretainercover

over,usingaT%-inchwrench.

hanger.

inthebatteryhanger.Besure that

unded.

overandthetwonutsandlock

rycableclampsandinstallthe

inals.

utssecurely.

rews.

dontherightsideof theengineat

esamanualshift drivemechanism

entofthestartingmotorpinionwiththe

d (fig.60).

M


G o o g l e - d


o o g l e



YSTEM

rtingMotor

edtothemanualshiftdrivemechan-

alsooperatesthestarting switch.

frombattery.

romstartingswitchwitha |J-inch

wireandbatterycablefromtheswitch.

ng.

m linkageatpointwherefront

n.

M


G o o g l e - d


o o g l e



Chevrolet)

atholdthe startingmotortothe

rterwrench.

lutchhousing(fig.61).

CABLE

oval

tachthestarting switchtothe

itiononstartingmotorwithtwo

n inclutchhousing.

dlockwashersthatholdthestarting

M


G o o g l e - d


o o g l e



YSTEM

eandinsertpin andcotterkey.

tors areoneachsideofthe contact

nthe motor.

batterycableonthestartingswitch

obattery.

CH.

nedtocarrytheheavycurrentrequired

andwithoutheating.

selyandarearrangedto providea

oodconnectionwhenthecontactsare

hecontactsa wipingactionwhich

al.

frombattery.

romterminalandremovebattery

peterminaltopreventshortcircuits.

oldthe startingswitchtostarting

positiononthestarting motorand

heswitchtothestarter.NOTE:Besure

chsideofthecontactbarsbeforeinstall-

batterycableontheterminaland

er.

obattery.

M


G o o g l e - d


o o g l e



Chevrolet)

S

ystemmaybe summedupas

ntofmechanicalenergyfromthe

chiscarriedthroughthewiring tothe

ureuse.Inactualoperationsomeofthe

thegenerator,but forexplanatory

romthegeneratortothebatteryand then

neratingcircuitdiagramis shownin

things:

chargingthroughthegenerator

verchargingthebattery.

uildingupexcessivecurrentwhich

ANCE.

o determinewhetherornotthe

ot,the checkswillindicatewhetherthe

.

-in.

w.ChargingRate.

regulatoroperation.Tocheckthe

M


G o o g l e - d


o o g l e



S

iagram

terywirefromthebatteryterminalof

ammetertothebatteryterminal

eleadtothebatterywirewith theignition

3).

ndcranktheengineforabout 15

d,withit runningatmediumspeed,

ricalaccessories,andnotequicklythe

,whichshouldbethevalue forwhich

herelectricalaccessoriesandallow

ssoonas thegeneratorhasreplacedin

anking,thevoltageregulator,ifoperat-

downtoafewamperes.

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



S

ghChargingRate.

mthe fieldterminaloftheregulator.

uitand theoutputshouldimmediately

atorandfieldwires areshortedtogether

with thefieldleaddisconnected,

heregulator.Reconnectthefieldlead

ator.

nddepressthevoltageregulator

ints.Ifthe outputnowdropsoff,the

ilingto reducetheoutputasthebattery

ulatorreplacementisindicated.

latororcurrent-regulatorcontacts

poff,thefieldcircuitwithinthe regulator

uldbereplaced.

oChargingRate.

nections,corrodedbatteryter-

strap.Thehigh resistanceresulting

ntnormalchargefromreachingthe

uitis ingoodcondition,theneither

ault.

thefieldandarmatureterminalsto-

ratorspeedandchecktheoutput.I f

rrequiresattention.Ifthe outputdoes

cessary.

afewampereswiththefield and

gether,thegeneratorisatfaultand

wanyoutputatall, eitherwithor

minalsconnectedtogether,shortthe

tortogroundwith ascrewdriverorapair

tingat mediumspeed.Ifsparkdoesnot

din thegenerator,andthegenerator

esoccur,itislikelythe generatorisbuild-

tothe batterybecauseofburntcut-out

oltagewinding,ortoohigh voltagesetting

testgeneratorswheneveroneisavailable,

dforoperation)maygiveasparkand false

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



S

als,thegeneratorcoverbandshould

andbrushesinspected.Ifthecommutator

o.00sandpaperandthen thedirtblown

ncommutator.

Rate.

Replaceunit,

acebattery.

h,shunt-woundmachinewhichis

gineatthefront byabraceandbracket

y

M


G o o g l e - d


o o g l e



Chevrolet)

egulator

he fanbelt.

nbackof thegeneratorpulley.

mthetwo terminalsandtheground

ator.NOTE:Identifyeachwirewith a

ack-onthe sameterminalfromwhichit

eslottedbraceon topofgenerator.

.

ratorpulley.

andlockwashersateachendof bracket

Vi-inchwrenches.

acegeneratorinpositiononthe

M


G o o g l e - d


o o g l e



S

uts andlockwashersthroughbracket

torpulley.

lottedbraceandboltit tothegenerator.

paragraph77.

egeneratoronthesame terminalsthey

thethirdwiretothe ground.

aregulatorunitwhichcontainsa

torandcut-outrelay(fig.66).Theunit is

sh.

sthegeneratorvoltageanddoes not

erminedbythevoltageregulatorsetting.

sthemaximumgeneratoroutput

eoutputto exceedthevaluedetermined

maticswitchwhichautomatically

eratorandbatterywhenthegenerator

attery,andautomaticallyopensthe

batterywhenthegeneratorvoltage

orunitaremarkedandcareshouldbe

erwiseseriousdamagetotheregulator

ulatorunitcoverismarked"POS-

"Besurethatthe unitbeinginstalled

atwasremoved.

mtheterminals on.theregulator

ithatag sothattheycanbe connected

theywereremoved.

M


G o o g l e - d


o o g l e



Chevrolet)

movedfromthebatteryterminalof

alshortcircuitduringregulatorreplace-

tachtheregulatorunittothe dash

inchwrench.

dashwiththefourscrews.

erminals,makingsurethatthey are

whichtheywereremoved.

M


G o o g l e - d


o o g l e



sderivedfromburningagas andair

norder toignitethisgas, theelectric

pinsidethe cylinder.Theignitionsys-

kmust occurineachcylinderatexactly

nthevariouscylindersmustfolloweach

omplishthis,thefollowingpartsare

theelectricalenergy;theignitioncoil

renttohightensioncurrentwhichwill

hemechanicalbreakerwhichopensand

oper time;thedistributorwhich

cylinders;thesparkplugwhichprovides

hewiringwhichconnectsthevarious

onnectingthebatterywhenit isdesired

.

Cleanorreplacepoints

Adjustto0.018inch.

)Adjustto 0.040inch,

)Cleanwireandcaptermi-

M


G o o g l e - d


o o g l e



Chevrolet)

M


G o o g l e - d


o o g l e



butorismountedon therightside

thecamshaftbyspiralgears.Sparkcon-

peratedbycentrifugalweightspivoted

rtofthe shaftandconnectedtothe

vancesthetimingautomaticallyasthe

ithGREASE,mediumcup.Turn

miles.

hebreakercamandadda few

wickinthetopof thecamunderthe

removedatregularintervalsand

ned.Lookforcarbonlinesbetweencon-

for frayedordamagedinsulation

r plugs.Anydamagedpartsshouldbe

ghtened.

or pittedshouldbereplacedor

tionpointfile. Thefileshouldnotbe

notbeallowedtobecomegreasyor

ancontactpoints.

dbybad condenser,highresistance

rcircuit,oilordirt onthecontactsur-

tting.Checkfortheseconditionswhere

nced.

er

theirmountsandarecontrolled

mountingplate.Toadjustthe gapof

drotor.

hebreakerarmcamfollowerison

ointsare thenopenedthemaximum

M


G o o g l e - d


o o g l e



Chevrolet)

stationarymount(thescrewnearest

cadjustingscrewtotherightorleft,

o0.018inch (fig.68).Tightenlock

andreplacerotoranddistributorcap.

alled,adjustthegapto0.020 inchto

alwearon thefibercamfollower.

djustment

nition,-,%-in.

tremovethe distributorcapand

nch,loosennutonterminalon

ift movablebreakerarmupuntiliti s

M


G o o g l e - d


o o g l e



wnearestbreakerpoint),fromthe

ovethepoint.

installstationarycontactpointand

h.See(5)above.

cap.

crewdriver

movedistributorcap.

apieceofchalk,puta markon

estomotor.Thisis importantashousing

sition.

mofthe housingatapointopposite

utsideofthe rotor.Thisalsois important

onwhenthe distributorisreplaced.

distributorclampscrew,whichis

ndthecylinderblock.

upandout ofcylinderblock.

nginehasnotbeenturned orhand

butor,thedistributorcanbereplaced

to thecylinderblock.Setdistribu-

atitwasin beforeitwasremovedand

dy,turn rotoronetoothofthegear

directionfromthemarkthatwas

andpushassemblydowninposition.

andboththerotorand thehousing

reinbeforetheywereremoved.

rewandinstalldistributorcap.

sparkplug.

ing speed.

M


G o o g l e - d


o o g l e



Chevrolet)

ltandrotatethe distributorbody

tilthesteelball intheflywheellines

eelhousing(fig.69).

ng

rew.

Wrench,-ft-in.

orhand crankedwhiledistributor

totime thedistributorasfollows:

specialsparkplugwrench.

rinchwrench.

kengineuntil thesecondvalve

continuetohandcrankengineabout

esto thetopofthe No.1cylinder.

gthe flywheeluntilthesteelball

nthe flywheelhousingontheright-

M


G o o g l e - d


o o g l e



elballis aboutl/2inchbeyondthe

heflywheelbetweenthelettersU/C.

installdistributorcapondistributor

sparkplugand scratchamarkonthe

tlyunderthe terminalofthedistributor

stallassemblyasfollows:

erblock.

withtheprimaryterminalinthe

ion

onetoothoraboutVi inchclock-

No.1 wireterminalandpushassembly

:Whenassemblyisinplace,thecentei

M


G o o g l e - d


o o g l e



Chevrolet)

houldbe linedupwiththemark opposite

utorcap.

mpwhichisbetweenthedistributor

ributorcap.

nsinsubparagraphe (11).

hislocatedwithinthedistributor

idcollapsingofthelinesof forcebuilt

nitioncoilandtoprotectthe breaker

onterminalfromthedistributor

handlescrewdriversothattheendof

mthecylinderblock.Turntheengine

esparkdevelopedisslightlyreddishin

e condensershouldbereplaced.

orting,withtestlamp.If lamplights,

replaced.

Vin.

tor.

h,loosennut onterminaloninside

condenserlead.

escrewfromthe clampthat

e.

heaboveprocedure.

TROL.

advanceisaccomplishedbythe

votedona platewhichisanintegral

e weightsareconnectedtothedis-

rend oftheweightsrestsagainstthe

As theenginespeedincreases,the

outtowardthe distributorbody.This

ina clockwisedirection,advancing

M


G o o g l e - d


o o g l e



stheenginespeeddecreases,thesprings

ginalposition,retardingthespark(fig.

WEIGHT

G

Mechanism

automaticsparkcontrol:

ithfingerstry toturnrotorin a

uldnotmove.It shouldberesting

edirection.ItshouldturnaboutVi

youletgoof therotor,thespringtension

inalposition.

does notoperateasoutlinedabove,

d.

eterA—C—104.Theyareofonepiece

ea newgasketandscrewtheplug

asparkplugwrenchone-halfturn

gasket.Ifatorquewrenchisused,the

r 15footpoundsmaximum.

M


G o o g l e - d


o o g l e



Chevrolet)

orrectheatrangeA-C-104.

to0.040inch.

settingsparkpluggaps(fig. 72).

transformeroilandis hermetically

moisture.Alarge porcelaininsulatoris

provideeffectiveinsulation.

ap

bemadeoncoiltestingequipment;

quipmentmanufacturershouldbe

enutsandlockwashersonthe two

emovewires.NOTE:Tagwires"pos."and

M


G o o g l e - d


o o g l e



nthesameterminalsfromwhichthey

TANT.

erminalatbottomof coil.

twoscrewsoneachsideof the

ylinderblock.

otorwiththe twoscrewsand

rminalatbottomofcoil.

inalsontopofthe coil.Makesure

inalsfromwhichtheywereremoved.

M


G o o g l e - d


o o g l e



Chevrolet)

STEMS

04

witcheswithineasyreachofthedriver.

dbyan overloadcircuitbreakerwhich

short circuitinthewiring.In addition,the

inprotectedbycircuitbreakersof the

the electricalsystemisshownin

mthe readercangainanunderstanding

ariousunits andlightsinthe system.

hewiringonthistruck ismadeupin

namely,chassisrearwiringharness,chassis

ringharness.Theseharnessesconnectto

onthefrontofthe dashontheleft side

76showthesewiringharnessconnections

anexplanationofthe wiringhookup.

fig.74).

withgreen tracer

uralwithblackcross

cer

r

uralwithgreentracer

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

HarnessJunctionBlock

ig.75).

M


G o o g l e - d


o o g l e



STEMS

gHarnessJunctionBlock

ith redtracer,

M


G o o g l e - d


o o g l e



Chevrolet)

sJunctionBlock

M


G o o g l e - d


o o g l e



STEMS

Blackwithred crosstracer

6Natural

6Naturalwithgreen cross

4Natural

4Naturalwith blacktracer

HEADLIGHTS.

enconnectionsat

eplacelightingordim-

3)Cleanandtightenbattery

Whenthe switchbuttonisallthe

Pullingtheswitchoutto thefirstposition

he blackouttaillampsandalsoconnects

mpon therightsideof thetruck,the

thestoplightswitchwhenthe brakes

s,itis necessarytopushdownonthe

ngitdown,pullthe switchbuttonoutto

nthelightingswitchbutton ispulled

edoffand connectionsaremadeforthe

ngdaylightdriving.

M


G o o g l e - d


o o g l e



Chevrolet)

figure77.Eachterminalismarked

manwhenreplacingaswitchor body

ablegivesthecolorwirewhichshould

ealedbeam"type;thatis,

mpleteunitandcanonlybereplacedas

positionedslightlytoonesideof the

sults indeflectingthelowerbeamto

M


G o o g l e - d


o o g l e



STEMS

deofthe roadwhenmeetingother

nt.

n-end,Vi-in.

enderattachingbolts,usinga

dlamponthe fender.

crew,usingasmallscrewdriver,and

hingtheretainerringto thelamp

utofthe lampbodyanddisconnect

rof theunit.

gtheaboveoperation.NOTE:

llnot benecessarytoreaimthehead

am"unit.

ction

M


G o o g l e - d


o o g l e



Chevrolet)

e ofanaimingscreen,provideda

ontoftheheadlampto thescreenis

eferablebecauseitsimplifiestheprob-

screen.Thescreenshouldbemadeof

havea blackcenterlineforusein

fig.79). Thescreenshouldhave

chsideof thecenterlineand18 inches

uippedwithamovablehorizontaltape

L

M

Diagram

orwiththetires inflatedtorecom-

thefrontofthe truckandcenterthe

uck.Thiscanbedoneby sightingthrough

hecenterdivisionofthe windshield.

ecenteroftheheadlampand setthe

ncheslessthanthismeasurement

erbeam),coveronelampandcheck

creen.Thecenterofthehot spotshould

the verticalandhorizontallinesonthe

M


G o o g l e - d


o o g l e



STEMS

nthenutonthemountingbolt, usinga

adlampbodyonits ballandsocketjoint

bedabove.Thentightenthenuton the

mpshouldbe aimedinthesamemanner.

edfor thetraffic(lower)beam.

adlamps isaffectedbyalowbattery,

econnectionsinthelightingcircuitsand

connections.Possiblythecommonest

irtyheadlamp lenses.Thisbeingthe

adlamplensescleanatall times.

P

ountedonthe frontfenders.Adowel

rpositioningofthelamp.

se lamps,removethelamprim

r,thenpulltherimout atthebottomand

mpedcatchinthecoverfromthe slotin

bisa standard6-8volt,3candlepower,

TOPLAMP.

pmountedontherightside ofthe

units,oneforstop signalandtheother

ofahousing,abulb solderedtothehousing,

bulbinone oftheseunitsburnsout,the

Toreplaceaunit,r emovethetwoscrews

body,andpulltheunit outofitssocket

sinstalledby reversingtheaboveopera-

StopLamp.Theblackouttail,

untedontheleftsideof thetruck

amemannerastheblackouttailand

the servicetailandstoplampunit,

bulb,3candlepowerforthetail light

,and alensmadeofrubyglass. The

thesameasforthe blackouttailand

M


G o o g l e - d


o o g l e



Chevrolet)

igures80,81and 82isa four-cycle,

dtype.Theenginenumberisstampedon

de oftheblockjustbackof thedistrib-

fromthefan,or frontendoftheengine.

direction,figuredfromthefrontorcrank-

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

loselyforany indicationsoftrouble.

encountered,asfollows:

M


G o o g l e - d


o o g l e



cleaner(par.

djustor replacechoke

M


G o o g l e - d


o o g l e



Chevrolet)

nock.

M


G o o g l e - d


o o g l e





Chevrolet)

terminetheexactcauseofcertain

evelopwhichthedriver isunableto

ehicleshouldnotbedrivenuntil an

hascheckedthevehicleandgiveninstruc-

s.

ps,quicklycheckforlowor nooil

mperatureindicatorreading.Checkfor

fficientsolutioninthecoolingsystem.

REFERREDTOUNDER

DBELOCATEDANDCORRECTED

UNE.REFERTOTHEMOTORTUN-

ECTION.

M


G o o g l e - d


o o g l e



dto assistinthevaporizingand equal

nders.Themanifoldhasanintakeheating

hisheatingchamberisopen atthebot-

anifold.

designedto disposeoftheexhaust

ssureor restriction.Theexhaustmani-

ntertopwherethe intakemanifoldbolts

edtogetherwithagasketbetweenthem

llnotbedisassembledunlessoneof the

eenthemrequiresreplacement.

valveismountedintheexhaustmani-

mountofhotexhaustgasesto bedirected

entheengineis cold,thevalvedirectsa

ntakemanifold(fig.83left). Asthe

rolValve

allyclosesandthese hotgasesarede-

ifold(fig83right).This automatic

ftheengineandyet preventsoverheat-

M


G o o g l e - d


o o g l e



Chevrolet)

springisveryimportantforproper

uldbewoundup justenoughfortheend

ld.Thisis approximatelyone-halfturn

h,open-end,%-in.

-end,i\-in.

nch,open-end,fy-in.

nchremovetwonutswhichattach

rburetorwitha-i^-inchandVi-inch

pertube.

rolvacuumline.

dthrottlewires.

sthatattachthe carburetor,

chremovethetwonuts andloosen

emanifoldto thecylinderhead.

ts.

eenthecylinderheadandmanifolds,

ndmanifold(fig. 84).

hinstallthe boltsandnutsand

.

TION.

nmanifold.

etorstomanifoldnutsandtighten

M


G o o g l e - d


o o g l e



ent

M


G o o g l e - d


o o g l e



Chevrolet)

pertube.

T^-inchandVi-inchendwrench.

chokerwires,

line.

,usingnewpackingifnecessary.Install

m securelywithaT^-inchmanifold

AKS.

oldattachingboltsbekepttight as

hicle.

tionsorfaultygasketsbetweenthe

eentheintakemanifoldandcylinder

ure.Thisdeprivestwoormorecylinders

too lean.Thiswillresultin roughmotor

gandburnedvalves.

manifoldandcylinderhead,orbetween

tpipeproducedangerousgasesinthe

s.Thegasketswillsoonburnor blowout

azard.

ofavalve-in-headengineplaysan

containstheinletports,exhaustports,

arkplugs,combustionchambersand

ntainthepropertemperatureofthese

-in.

ch,open-end,fa-in.

end,Vi-in.

h,open-end,TVin.

-end,1Vs-in.

ug,s/s-in.

rench,torque,cylinderhead,

M


G o o g l e - d


o o g l e



rottler od.

chdisconnectthemanifoldfrom

retorassemblytotheleftuntilit

kupthe manifoldtosupportitsweight.

witha,ps-inchopen-endwrench.

-inchsparkplug wrench.

ningscrewsandremovethecover.

gwithaf^-inchopen-endwrench.

withas/s-inchopen-endwrench.

relieftubeandremovetube.

icatorwithaVa-inchopen-end

mthecylinderheadwith 1Vs-inchopen-

arm connectorwitha%-inch

wrenchremovefourboltsandtwo

ssemblyatidremovethe rockerarms.

ds.

ltswitha torquewrenchand

asket.

seatsmustbemaintainedifthe

rformance.Specialequipmentis

ngthevalvesandseats;therefore,this

esstheequipmentis available.

hevalve-in-headengine,thehead

ntoa3rd or4thechelonshopforvalve

craper,carbon

removed,thecarbonshouldbe

ylinderhead.

ads ofthepistons.

bustionchambersandvalveports.

M


G o o g l e - d


o o g l e





M


G o o g l e - d


o o g l e



Chevrolet)

ged;theopenendof theshaftsshould

shafthasastampedsteelbafflein the

stributeoil'tobothshafts.Figure86

armsontheshafts.

paragraph.

ketwiththe markings"Thisside

donthe camshaftsideoftheengine.

ont andrearholesonthe manifold

etin placewhileinstallingthecylinder

llation

15cylinderheadbolts.Usinga

torquewrench,tightentheboltsevenly

wninfigure88.Theyshould betightened

uewrenchFollowingthissequencethe

importanttopreventwaterleaksintothe

betweencylindersorintothewater

connectorassemblybetweenthem

wonutswhichretaintheshaft assemblies

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

-{.-inchopen-endwrench.Attach

assemblyandtightenwitha

MBLIES

ArmsandShafts

ngandtightenwitha

steamr elieftubeandhookup

or,usingaVi-inchopen-end

dtightenwith afj-inchopen-end

usingascrewdriver,tightenthescrews

%-inchplugwrench.(Seetightening

ighten witha/g-inchopen-end

oldsandtightenthe boltswitha

M


G o o g l e - d


o o g l e



ROCEDURE.

O-296(KM)

s-in.

nce,theenginemustbethoroughly

nsionofall partsandstabilizetheoil

antbecauseduringthewarm-upperiod

erably.

nketwill notmateriallyhastenthe

enwiththewatertemperaturequickly

etherateat whichtheoiltemperature

ilis notasimportantasthe stabili-

heexpansionorcontractionofthevalves,

ylinderheadandcylinderblockare

M


G o o g l e - d


o o g l e



Chevrolet)

Hence,aftertheoiltemperatureis

edexpandingandnochangein valve

atafastidle (approximately

eraturewithathermometerattheover-

t connector.WHENACONSTANT

EDFORAPERIODOFFIVE

ORMALIZEDANDREADYFOR

bleforcheckingoiltemperature,the

efor 30minutes,orthevalvesmaybe

ningfromatrip.

thevalveclearance,lubricatevalve

the valvesintheirguides.Adjustthe

9A):

peration

0in.

20in.

advisabletoadjustthevalvestothe

et,feeler

ester,volt-ammeter,17-T-

rench,sparkplug,s/a-m.

ationsin themaintenanceofthe

Thisoperation,morethanany other,

ginedeliversthe maximuminper-

accuratelymakingthefollowingchecks

anceandeconomythathasbeenbuilt

anengineit shouldberunforseveral

atethevalvemechanism.Thecompres-

ckedfirstwhentuninganenginebecause

oncannotbetunedsuccessfully.

s/s-inchsparkplugwrench.-The

hthe throttlevalveintheopenposition.

M


G o o g l e - d


o o g l e



k

n asparkplugholeand holdit

with thestartingmotoruntilthegage

hrequiresonlyafew turnsoftheengine.

dersandmakeanoteofthe compression

ersshouldbe 110poundsorbetter,

e,within5 to10pounds,forsatisfactory

essionreadingontwoadjacentcylin-

ylinderleak,usuallycausedbya leak

elow orvarywidely,thecauseof

injectinga liberalsupplyofoil ontop

cylinders.

times andthentakeasecondcom-

allynodifferenceinthereadingswhen

dicatesstickyorpoorlyseatingvalves.

dingonthelowreadingcylindersis about

itindicatescompressionlosspastthe

M


G o o g l e - d


o o g l e



Chevrolet)

ompressionmustbecorrectedbefore

upjob.

ughly,usinganabrasivetypecleaner.

orblistered,thesparkplugsshouldbe

of thesamemakeandheatrange.

0.040inch,using aroundfeelergage.

DTHE CENTERELECTRODE.

allingthe10millimetersparkplugs,

pset.If atorquewrenchisusedwhen

que is15footpounds.If atorquewrench

cedureshouldbefollowed.

ug,screwtheplug infingertightand

%-turn.

lof avoltmetertothestartingswitch

alofthevoltmeterto agoodground.

hand cranktheenginefor15sec-

he engineoveratagood rateofspeed

or better,itindicatesasatisfactory

heconditionofthebattery,terminalsand

peedisslow,orthe voltmeterreading

or,battery,andbatterycableterminals

olocatethesourceofthe trouble.See

sfromthedistributorcapandexam-

hewiresshould alsobecheckedfor

goilsoaked.

dcheckthecapand distributor

s.

mechanismbyturningthedis-

ionasfar aspossible,thenreleasethe

itto itsretardedposition.Ifthe camdoes

must bedisassembledandthe^causeof

s.Dirtypoints shouldbecleaned,

dbereplaced.Checkthepointsforaline-

y.

hecamfollowerrestsonthe peakof

M


G o o g l e - d


o o g l e





Chevrolet)

yand reinstallonvalvecover.

trestricted.Thisventaids crankcase

uldbe attemptedbyusingarms

didlingadjustingscrew.Seeparagraph

ed,thecarburetorshouldberemoved

anceserviceforrepairs.Seeparagraph

dingcarburetorremoval.

hethermostaticspringfromits

ent.Properadjustmentrequiresonly

pitoverits anchorpin.Shouldthether-

y wayitshouldbereplaced.

neselectorsetat "zero"attachone

No.1 sparkplugandtheotherwire tothe

steelballimbeddedinthe flywheelwifh

andrunitat idlingspeed.Loosendis-

torbodyclockwiseorcounterclockwise

ellinesup withthepointeronthe fly-

hedistributorclampscrew.

swarmingup, thecylinderhead

ltsandnuts, andthemanifoldbolts

eretorquewrenchesareavailablethe

tenedto 75to80foot pounds,andthe

5 to30pounds.

ust thevalvesaccordingtothepro-

usinganewgasketandcheckfor

carburetoridleandthrottle stop

othertosecurethebest idlingperform-

ldbe setat500to 550revolutionsper

seconnectionsandexaminefor

heckthefanbeltfor cracks,oilsoaking

itifnecessary.SeesectionXVI.

noftheaboveoperations,thetruck

mance.Duringthistimetheoctane

egrade offuelbeingused.Forpeak

M


G o o g l e - d


o o g l e



olineeconomy,theoctaneselectorshould

uponacceleratingatwide-openthrottle.

M.

pplied byapositivelydrivengear

ringloadedbypassvalvewhichcontrols

eedsandwhenthe engineoilisapt to

dweatherstarting.

despositivepressurelubricationto

earings.Theconnectingrodbearings

son therodswhichdipinto troughsin

oil nozzlesathigherspeeds.Cylinder

atedbytheoilspray.Oilfor thevalve

ollowrockerarm shafts.

ubrication.Theoilflowisfrom the

oil pumptotheblockfittingpipe,and

hroughdrilledpassagesinthebearing

k,tothe fourmainbearings.Theoil

ebearings tothedrilledpassagesin the

mshaftbearings.Inthis mannerfull

iedtoall mainandcamshaftbearings.

ricationforthetiminggearsis sup-

he frontcamshaftbearing,througha

inefrontendplate, toanozzlewhichis

ctivelylubricatesthetiminggears.

ication.

assesfromthecylinderblockfitting

lledpassageinthecylinderblockand

ressurebuildsup, theoildistributor

intoadrilledpassagein theblock,this

tpipethatfits intothemainsupply

nsupplypipethe oilpassestothe oil

isdistributedto thesixoilnozzle pipes.

panareadjustedtothe properheight

will dipintotheoil andsupplylubri-

sedandtheoil pressureisbuiltup,

riseandareinterceptedbythe dippers,

ngrodbearingsunderhighpressure.The

npinsarelubricatedby theoilspray

.

.Oilforlubricationofthevalve

manifoldandiscarriedbya pipewhich

M


G o o g l e - d


o o g l e



Chevrolet)

a fittingbetweenthetwohollowrocker

dtoallrockerarmbearings.A bleeder

il forlubricationofthevalvestemsand

T.

d,%-in.

1/)-in.

tha1Vi-inchopen-endwrenchand

beclampat bottomofcylinderblock

foilpan.Removeguidetube.

rewswitha screwdriveranda

sefrom thegasketandlowerthe

heoil screenoroiltroughsin thepan.

asketsand endcorksshouldbe

overthesuctionscreen.Install

withascrewdriveranda Vi-inchspeed

agetubeinthebracketon rightsideof

in bracketatbotti->mofcylinderblock.

y.

chopen-endwrench.

e,seasonalgrade.

NT.

h,open-end,j^-in.

paragraph118.

nandfeedlines fromtheoilpump

chloosenthelocknut, andremove

hopen-endwrench.

umpoutof thebracket.

M


G o o g l e - d


o o g l e



stinstallthe pumpin.itsbracket.

e itentersthehole inpumpbody,

inchopen-endwrench,thentightenlock

ch.

tightenthemsecurelywithan],'.-

lt,3/4-in.

T,;-in.

h,open-end,Vi-in.

-end,Win.

,IVi-in.

ck.

witha screwdriverand/u-inch

sheet-metal,andfendersas aunit

hremovethebatterycableand

tchterminal.Tapetheend ofthe

ossibilityof shorts.

hetop ofcoilwitha3/s-inch

es attheconnectorswithaVi-inch

nefromthe fuelpumpusinga

rench.

n withaVis-inchwrenchand

generatorwitha ,7,.-inchopen-

nwitha /^-inchopen-endwrench

hokeandthrottlecables.

M


G o o g l e - d


o o g l e



Chevrolet)

ne witha,7,.,-inchwrenchand

r.

tervacuumline.

oldstopipebolts witha/I1-inch

tha Vi-inchopen-endwrenchand

s.

nchsplittheuniversaljointbackof

nutsand lockwashersfromtheU

bearings.

hremovetransfercasecontrol

rattachingscrewsonright sideof

od attransmissionendwitha

leftrearcornersoftransmission.

emoval

chdrain thetransmissionlubricant

enchdraintheoil pan.

M


G o o g l e - d


o o g l e





Chevrolet)

correctlengthsothatboltwill

nglinkandbracketattransmission

relywitha j^-inopen-endwrench.

ers,emergencybrakelever,and

ransmission.Tightentheretaining

h.

sition,installtheUclamps,lock-

elywitha,^-inchratchetwrench.

ds.

thaVi-inchopen-endwrenchand

oldandtightenwitha-^-inchopen-

vacuumline.

with aT7jf-inchopen-endwrench.

uumline.

leswithascrewdriver.

a,75-inchopen-endwrenchand

htennutwith a-^-inchopen-end

ndtightenscrewswitha Vi-inch

uelpump with[%-inchandVz-inch

nnectorsandtightensecurelywitha

topofcoiland tightenwitha3/s-inch

meterwireto startermotorterminal

ndwrench.

dsheet metalandfendersasaunit

.

on.Lubricatetheuniversaljointthat

ramebythreerubbercushioned

M


G o o g l e - d


o o g l e



ationsfrombeingtransmittedtothe cab.

ontandattachestothe centeroftheframe

omountingsarelocatedatthe sidesof

chhousingandtoframebrackets.

val.

-in.

adiatorhose.

,7(i-inchopen-endwrench.

ngsusinga %-inchwrench.

oframecrossmemberboltnuts

dthefrontend platetomotormounting

wrench.

orupabouttwo inches,beingcareful

ng.

ation.

tingboltsthroughthemountingtop

doverthetop plateandplacethetwo

nefrontendplate.

erthe boltswiththelargeend ofthe

rontendplate.

nterboltswhichare attachedtothe

enuts securelywithaf^-inchwrench;

lowerfront endofenginesothat

efrontcrossmember.

tightenwithaVi-inchwrench.

s.

al.

en-end,%-in.

M


G o o g l e - d


o o g l e



Chevrolet)

mountingboltson eachmounting,

smissionandraisethebackendof

otormountings.

tion.

gwiththewiderplate totheengine

ntingjusttouchestheframebracket.

ntinglowerplatewiththe dowel

washerandbolt.

inchopen-endwrench.

heforeand aftmovementofthepower

handbrakeisapplied,abracerod isused

mesecondcrossmember.Therearend

tontheframecrossmemberwhilethe

ngeyeb'olt.Theadjustingeyebolt

heright sideofthetransmissionbytwo

h,open-end,%-in.

missionbracketboltwith a-f^-

ocknutwith as/s-inchopen-end

norlengthentherodso thatthe

gh adjustingeyeandtransmission

wrench.

ightennutwitha^-inchwrench

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e







Chevrolet)

heexhaustpipeto manifoldstud

spring.

themufflerstrapclamp.

ipe.

rclampwitha Vi-inchwrench.

haustpipe.

ersefromdisassemblyexceptthatall

untilthepartsarein correctrelationto

maybenecessarytolineup theinlet

erlyfittedtothemufflerand tighten

pipetomanifoldbolts.

M


G o o g l e - d


o o g l e





hevrolet)

M


G o o g l e - d


o o g l e



Chevrolet)

maintank,auxiliarytank,atransfer

pump,carburetor,aircleaner,throttle

ort,flexiblelinesareusedto prevent

nchoredfuellines.

ffvalveselectsthetanktobe used

ystemis48gallons.

) Adjustidlingand

ircleaner.

or,fuel

controlsand

inewhenvehicle

M


G o o g l e - d


o o g l e



perHour.

Replacecarburetor,

n.

ankareused.Themaintankcapacity

cityis18 gallons.

psaround thetopofthe tankfasten

gbeneaththetank.Thesebracesin turn

ontherightside. Ontheleftsideof the

chedtoan"ell"sectionbracewhichin

racketonthe frameleftsiderailby one

mountingforthe tankandprotectsit

sbeing drivenoverroughterrain.

M


G o o g l e - d


o o g l e



Chevrolet)

iz-in.

ch,open-end,,'',i-in.

ctthefillerat thecoupling.

wiresto fuelgage,using,'•',.,-inch,

nches.

hthebracesto theframesiderails.

hecenterand droppingtheouteredge

andremovedwiththe strapsstillin

,9(1-inchopen-endwrenchforthis

strapsaroundthe topofthetank

endingbeneaththetank.Toremove

ffthe fourwingnutsfromthe seat

talscrewsfromseatriser coverpanel

solineline,usinga,'•',;-inchopen-end

estofuelgage.Removethenutsand lock

wnstraps.Thetankmaythenbe liftedout.

capisofthe pressuretype,

ssureandatmosphericvalveasshown

M


G o o g l e - d


o o g l e





Chevrolet)

p(fig.96)is mountedontheright

dfromaneccentriconthe camshaft.

verallayersofspeciallytreatedcloth

ndbenzol.Thecloth materialisheld

shedupwardby apumpspring,and

ft.Thisdiaphragm,inits downward

epumpchamberandfuelis drawnin

er tofillthisvacuum.Theupwardmove-

to thecarburetor.Aleverandspring

elpumpbodyis usedtofillthe fuelpump

he truckshouldrunoutof gasolineor

eaning(fig.97).

owl

resnoadjustment.Workingparts

whichcomesthroughthe openinginthe

tingsshouldbecheckedregularlyfor

diaphragmsmustbekepttightto prevent

tingboltsmustbetight.Theglass filter

mbly,makingita simplemattertodetect

M


G o o g l e - d


o o g l e



Chevrolet)

p(fig.96)is mountedontheright

dfromaneccentriconthe camshaft.

verallayersofspeciallytreatedcloth

ndbenzol.Thecloth materialisheld

shedupwardby apumpspring,and

ft.Thisdiaphragm,inits downward

epumpchamberandfuelis drawnin

er tofillthisvacuum.Theupwardmove-

to thecarburetor.Aleverandspring

elpumpbodyis usedtofillthe fuelpump

he truckshouldrunoutof gasolineor

eaning(fig.97).

owl

resnoadjustment.Workingparts

whichcomesthroughthe openinginthe

tingsshouldbecheckedregularlyfor

diaphragmsmustbekepttightto prevent

tingboltsmustbetight.Theglass filter

mbly,makingita simplemattertodetect

M


G o o g l e - d


o o g l e



el pump.Sedimentbowlshouldbe

sary.

n-end,tg-in.

properly,itshouldbe replaced,fol-

using ay'^-inchopen-endwrench;

ldthefuel pumpassemblytocrank-

egasket.

ktypeis mountedontheoutsideof

iththe drivercompartmentfloorboards,

tankandfuelpump.This isanadded

achingthecarburetor.

n-end,s/s-in.

the filterbowlmayberemovedto

er.Ashut-offvalveislocatedin the

etankandfilter asshowninfigure98.

efilterbowl,closethe shut-offvalve

the drainpluganddrainoff anywater

-offvalvefora secondortwotoflush

replacethedrainplug.Thenagain

solineline.

losetheshut-offvalve.Thenremove

en-endwrench,andremovethebowl

cleangasoline.Thefilterelement

n cleangasolinetoremoveanypar-

dbetweentheplatesofthe element.

surethegasketsare ingoodcon-

ve.

M


G o o g l e - d


o o g l e





t.

,open-end,Vz-in.

in.

eattentionif properlyinstalled

omanifoldattachmentandifanair

that attachcarburetortomanifold,

ch,andmakingsuregasketsarein good

gmixture,proceedasfollows:Open

0)oneand one.halfturns.Startthe

ed.Thenadjust theidleandthrottle

eachothertosecurethe bestidlingper-

setat 500to550revolutionsperminute.

rolshouldbecheckedtoseethat the

buttonagainstthepanel,andfully

o adjust,removeaircleanerandwith

chokevalvearm.

M


G o o g l e - d


o o g l e



Chevrolet)

rlysynchronizethemeteringrodwith

ows:Refertofigure101. Removethe

onnectorrodfromthethrottlevalve

til throttlevalveisclosedtightly.

wingthe meteringrodpivotpinon

eringrodgage,Chevroletpartnumber

valveend untilconnectorrod

y.

ssemblemeteringrodandmetering

eringrodanti-rattlespring.Install con-

e stopscrewthree-quartersturnafter

alveslightly.

rfailstofunctionproperlyanddoes

s,replacementshouldbemadefollowing

ndchokecable.

etor,using,'J-i-inchandVi-inch

ountingstudnuts,usinga -,Vinch

.

agraphonadjustments.

keninto thecarburetortomix

nedinpassingthroughanaircleanerof

filledtothe oillevelmarkwithan oil

yinsummermonthsanda lighteroilin

wintermonthswillbegovernedbythe

5Vz-in.

nimportantoperationandmustbe

M


G o o g l e - d


o o g l e



tment

M


G o o g l e - d


o o g l e



Chevrolet)

heaircleanerfromthecarburetor.

andremovethecover.Removethe

ON:Donotprythispartloose ifit

d becauseyoumaydamagethefilter

atagainstthebody toinsureatight seat

whenthecoveris assembled.

nerandcleanoutall oilandaccumu-

ENT,drycleaning,andwipedry.

g upanddowninSOLVENT,

airhoseorby lettingitstanduntil

ithtwopintsof OIL,engine,

filter elementasthisisdone auto-

n.

tothe bodyofthecleaner,being

nstthetopflangeof thebody.

ngsurethatthegasketis cleanand

surfacesothatatight seatisobtained

ecarburetor.Thecleanermustbe

t restsagainstthecarburetortoassure

clamp.

M


G o o g l e - d


o o g l e



S

R(fig.102).

temperatureindicator,fuelgage,oil

dometer.

AOR.

trumentcloselyfor anyindication

catordoesnotregister,replacewithnew

ch,open-end,%-in.

ovetemperatureindicatorfittingat

%-inchopen-endwrench,andremove

nchwrench.Replacewithnewunit.

offour units:theindicatingunit

ntpanel,a tankunitmountedinthe

untedin theauxiliarygasolinetank,

theinstrumentpanel.This circuitis

alcurrentthatoperatesthese instruments

handthereforethe -gasolinegagewill

witchis on.

heitherthetankordashunit,replace-

dy.

M


G o o g l e - d


o o g l e



Chevrolet)

M


G o o g l e - d


o o g l e



S

)

eforlocatingtroubleinthegasoline

ester.

onnecttankwirefrombackof dash

estertothis terminalandBLACK

vetesterarmupand down.Dashunit

Y,ifiti sallright.If so,turnignition

e.

atall onabovetest,beforereplacing

urrentfromtheignition switch.Thiscan

6-voltlampfromignition terminal

hunit)to ground.

M


G o o g l e - d


o o g l e



Chevrolet;

checkthewiringbetweendashand

rthe gastankattheconnectionor

estertothe connectionrunningtothe

nd.

sEMPTYat alltimesorthe read-

gthe checkatthedashunit,lookfor

weendashandtank.Leaksaremostliable

ash unitreadsaboveFULLatall

PTYandFULLthanreadingobtained

orpoorconnectionorbreakin thewiring.

kallright,removetankandtake

thathascollectedaroundtankunit

ycalciumchloride,causesanelectrical

ading.

onnecttankunittothewireleading

withashortpieceof wirefromtheouter

nignitionswitchonand movethefloat

l right,thedashunitwill givecorre-

dings.

tall inthetank;if not,replacewith

bovetestbeforeinstallingin thetank.

nitsforfreedomofmovement

rious positionsandobservingthatit

ineveryinstance.

ssureinthelubricationsystem.The

entcloselyandif theindicatorhand

bestoppedimmediatelyandthecauseof

ndcorrectedbeforecontinuingtorun

,itwillbenotedthat theoilgageon

gh oilpressure.Astheenginewarms

treachesapoint wherechangestohigher

y littleifatall.

M


G o o g l e - d


o o g l e



S

bnormallyhighaftertheengineis

ctionshouldbemadetoascertainwhether

ugged.Ifindicatorhanddoesnot leave

doil pressureisallright,replacepressure

ch,open-end,rVin.

ge;loosenand removemounting

rearandreplacewithnewone.

netictypeammeterisusedtoindi-

hargedor dischargedwhenthevehicle

howsdischargeatalltimes,thecause

cted;otherwisethebatterywillbedis-

hasbeencheckedandammeterfoundnot

andloosenand removemounting

ench.Removeinstrumenttofrontand

indicatesthespeedatwhichthe

meterregistersthetotal numberofmiles

peedometerisdrivenby aflexible

tothetransfercase.

M


G o o g l e - d


o o g l e



Chevrolet)

hicleandwithtransfercasein rear

shift transmissionintogear.Discon-

dandchecktoseeif cableisturning.

atgears,or cableisbroken,butif cable

randunitshouldbereplaced.Remove

headusingpliers.Loosenandremove

omfrontandreplacewithnewone.

M


G o o g l e - d


o o g l e



3

l146

ul147

ment148

LERSHAFT.

reused onthebombservicetruck.

rom thetransmissiontothetransfer

the rearaxleandthethird fromthe

propellershaftsfromthetransfer

edimensionallythesameandare

rivelineisshowninfigure104.

asplinedendweldedinto oneend

nsofinstallingaslip joint.Theother

ointyokeweldedintoit. Thesethree

anentandslip typeuniversaljoints,

s.

SALJOINTS.

eneedlebearingtype(fig.105).

othe trunnions,andacentrallubrica-

lubricantto allfourtrunnionbearings.

hthe toolkit,whichshouldbeplaced

ingthese joints.Ontheyoke,opposite

veis usedtopreventoverlubrication

earingseals.Each ofthethreeslip

fittingonthesplined yoketoprovide

movementoftheslip jointonthespline.

of thesplinedyoketoretainthe lubri-

nes.Asmallhole isdrilledin theplug

andscrewcapisusedat theotherend

ubricantandpreventdirtfrom entering

M


G o o g l e - d


o o g l e



hevrolet)

M


G o o g l e - d


o o g l e



M


G o o g l e - d


o o g l e



Chevrolet)

tLubricantSeal

MBLYREMO.VAL.

rshaftsmayberemovedbyremoving

clampsonbothjointsand removing

movelockwashersandUclamps.

haftand pulltheassemblyout.

M


G o o g l e - d


o o g l e



plittingthese needlebearinguniversal

hetrunnions,holdingtheminplacewith

verthe bearingsandtrunnions.This

nandin place(fig.108).

iversalJoint

MBLYOVERHAUL,

mbledfromthepropellershaftby

achaingrip wrenchandpullingthe

plinesonthepropellershaft.

orkseal inthegreaseretainer,push

split(fig.106),itmay beremovedfrom

nbearingswhichweretapedin place

gwitha^-inchopen-endwrench.

M


G o o g l e - d


o o g l e



Chevrolet)

ring lockringsfromtheendsof the

ers.

se;usingabrassdrift andhammer,

ringsuntilthetrunnionjust strikesthe

ive theothertrunnionbearingalmost

itha pairofpliers.

HeldinPlacewithTape

eotherside intheviseand driveon

heother bearingisremoved.

ideoftheyokeand tiptheotherside

tofplace.

T,drycleaning.

aringcage,trunnioncorksealand

M


G o o g l e - d


o o g l e



ringstoeachbearingcage,usinglight

.

yoke.

l

o theyokeandstarttheyokeinto

aringsinplace.

ss,forcethebearingin flushwiththe

ingintotheyokeandenter thetrun-

esin placeandpressthebearingin flush

bearinginfarenough toinstallthe

inginand installthelockringwith

M


G o o g l e - d


o o g l e



Chevrolet)

dstrike theyokealightblowon each

sagainstthelockrings.

gsareseatedagainstthelockringsas

ndpreventsoverheating.

epropellershaft,makingsure that

esameplanewiththeyokeof thejoint

eshaft.Installandtightenthe oilseal

h.

onbearingstothetrunnionsand tape

MBLYREPLACEMENT.

,Vin.

blyinposition underthetruck.

ionbearingson onejoint;installthe

ighten.

ionbearingson theotherjointand

andnuts.Tightensecurelywitha

universaljoints.

M


G o o g l e - d


o o g l e



LYremoval150

LYreplacement151

sectionarefrontandrearfenders,

idepanels.

dserviceoperations,theradiator

d,radiatorsupport,fanshroud,front

cingsareassembledintoa unit.Thisunit

alassembly.

frontframecrossmemberatthe

andcowlattherear.

abracketoneach sideoftheradiator

desill assemblyadequatelybracethe

pportisattachedto theframecrossmem-

hismethodof mountingpreventsframe

edtothefront endsheetmetalassembly

ver uneventerrain.Removingthis

ngineforremovalormajor service

ALASSEMBLYREMOVAL.

s-in.

nch,open-end,7/s-in.

ch,open-end,}jj-in.

horscrewsatthe cowlandthe

ver,andremovethehood.

itha TT5-inchopen-endwrench

M


G o o g l e - d


o o g l e



Chevrolet)

necttheradiatorbracerod from

ctit fromthecowlwitha %-inch

removedraincock.

he radiatorhoseattopandbottom

gat thejunctionblockoneachside

connectors.

open-endwrenchremovethe

erto cowlboltsoneachside

etalRemoval

n-endwrenchesremovethebolts

diagonalbracesto theframe.-

vethenutsfromthelowerradiator

rboltsandremovethe bolts.

M


G o o g l e - d


o o g l e





Chevrolet)

nhoodbraceto lockthehoodup.

junctionblockandblackoutwire

crewdriverremovethefront

screwdriverremovethefenderto

bolts.

theboltswhichattachthe fenderto

embly.

mthefenderbyremovingthestove

screwdriver.

ment,andadjustmentseesection

verseof removal.

M


G o o g l e - d


o o g l e



RBERS

rts157

ont springsareofthe semielliptic

swide.Bronzebushingsarepressed'

ngfor theshacklepinandeyebolt.

rofthe secondleafasasafetymeasure

reak.Thespringis shackledatthe

arealsoofthesemielliptictype,

§ incheslongand2l/aincheswide.

theeye oneachendasin thefront

therear.

cklesatthefrontof thefront

pringsareinterchangeableasare the

andnuts.

ng,opposedcylindershockab-

rearofthe vehicle.Theyshouldbe

berfluid.

ubricate.

ceshacklepin.

espring.

lacehanger.

Refillor replace.

aceshockabsorber,

laceshockabsorber.

M


G o o g l e - d


o o g l e



Chevrolet)

loaddistributionarepossiblecauses

ortatthe framewithjackstand.

fromtheeyeboltattherear of

espringfromtheframehangerby

hehangerandspringeye.

fromthelowershacklepinat

isconnectthefrontendof the

andlockwashersfromthetwo

espringtothe axle.

M


G o o g l e - d


o o g l e



RBERS

and bracketthatwasdisconnected

removalofthe Ubolts,upoutof

offtheaxle.

hespringsaddle,beingsure thatthe

owardtherearofthetruck.

npositionontop ofthespring.

andretainingnuts.

ndshacklepin atthefront,being

lockbolt.Install lockboltsandnuts.

ings.

val

M


G o o g l e - d


o o g l e



Chevrolet)

upporttheframewithjackstand.

m theeyeboltatthefrontof the

holeprovidedin theframeside

ovingthepin fromtherightspring,

gastankstrapsandslidethe tank

ancebetweenthebackofthetankand

shacklepinattherearof thespring.

ing

seatonthehousingbyremoving

linkup outoftheway.

M


G o o g l e - d


o o g l e



RBERS

xleseataliningdowelpin withhole

intoplaceandinstallthe two

dnuts.

er andeyeatfrontof spring,

therearofthe springandinstall

kto ground.NOTE:Besureto

psif itwasmovedduringrightspring

M


G o o g l e - d


o o g l e



Chevrolet)

LTPLA

M


G o o g l e - d


o o g l e



RBERS

DATTACHINGPARTS(fig.113).

gsas outlinedinparagraph155a

gsas outlinedinparagraph155a,

hacklebyremovinglockboltand

paragraphs155a, 156a,(1),(2),(5)

shacklepinand drivethepinout

heframe.

vedfromthe framehanger.

rsetheremovalprocedure.

114).

rombottomofconnectinglink.

manchor.

downslightlyto determinetightness

orlink pinholes.

bytwistinglink withpliersorby prying

r.Outwardappearancesofbushingor

essivewear.

ty.

witha steadybuthardpull.If arm

movesslowlytherestof theway,thereis

sorber.Seedbelow.

heshockabsorberarmrequiresasteady

mto toporbottom.

perateasoutlinedinthe abovepara-

r.

M


G o o g l e - d


o o g l e



Chevrolet)

thatleaksfluid. Seebandc below.

isnoisy,itshouldbe replaced.

h,open-end,ii-in.

romlowerendof shockabsorber

manchor.

washersfromthe shockabsorber

he framechannel.

h,open-end,{|-in.

me.

onthe shockabsorberattaching

heframechannel.

ntheanchorand installthenutand

hFluid.

)Wrench,open-end.l/z-m.

lerplug.

pacitywithlightshockabsorberfluid.

uncingcar whileaddingfluid,ordis-

armupanddownwhilefilling.

stnotbefilledcompletelyfull but

cemustbe provided,asover-filling

vergasket.Afterfillingtocapacity,

to10percentof theamountthe

gasket.

M


G o o g l e - d


o o g l e





Chevrolet)

DJUSTMENT,

ectingrodfromthepitmanarm.The

M


G o o g l e - d


o o g l e



enobacklashthroughthecenterposition

d oftravel.Turnthesteeringwheeland

nessis found,thetroublemaybeassumed

ywaytocheckfor propersteeringgear

heckingscale.Thepullatthewheel rim

dbebetween2 and21/2pounds.

dtobecorrectlyadjusted,thenitwill be

ent,wheelbearingadjustment,steering

tion.

erearetwoadjustmentstothe

madeintheordershownin the

stment

ngrodfromthepitmanarmby

descrewdriverandpullingthesocket

umentpanelbracketwith a

reisnobinddue totheanchorage.

M


G o o g l e - d


o o g l e





EW

tment

ereisprobablydamageinthe bearings

operadjustment,andtheassemblymust

amagedparts.In thisevent,replacethe

bytighteningthemountingbolt

instrumentpanelwithaVi-inch

wheelrim andifit hasincreased

esteeringcolumnwassprung in

anel.Ifthisconditionisencountered,

enthemountingboltnutsin themast

nggearto framesiderailmounting

enshifttheassemblyslightlyto line

htenallmountingbolts andrecheck

avelbyturning thesteeringwheel

r,whilecountingthenumberofsteering

kone-halfthenumberof turnsand

withapieceoftape.Turn lash

akeout.alllash ingearteeth,and

ench.Checkpullat wheelrimwith

hehighestreadingofthe checking

ughcenterposition.Thisshouldbe

M


G o o g l e - d


o o g l e



Chevrolet)

djust,ifnecessary,toobtainproperpull.

ingrodtopitmanarmandadjust

nthissection.

acement.

stingplugsin eachendofrod.

moveadjustingplugs,safetyplugs,

anthenbe removedfromthe

atintheoffsetend ofthesteering

overthe ballonthethird arm.The

yplug andadjustingplugshouldbe

lthespring,longsafetyplug and

Thenplacetherodin positionover

ltheremainingballseat andadjusting

f thesteeringconnectingrodparts.

ngRod

wendplugsin tightandbackoff

plugswithnewcotterpins.

itshouldbereplacedasaunit.

M)

ewdriver

rench,1Vs-in.

ainthe hornbuttonandremove

M


G o o g l e - d


o o g l e



ngnutwithaIVi-inchwrench.

teronendof shaftandassemblesteering

heel.Turningthe pullerscrewwillre-

eyandupperbearingtensionspring.

thenuts fromthemastjacketto

s.Thenremovetheclevispin from

ylinder.Thepedalmaythenbepulled

ovingthegear.

platefromthe mastjacketbyre-

.

grodfrompitmanarm.Witha11A-

nutandthenremovepitmanarm,using

val

ethefoursteering geartoframe

earthroughthe leftdoorofthetruck.

M


G o o g l e - d


o o g l e



Chevrolet)

ssemblyinplaceandinstallthe mount-

oughso thatthegearassemblycanbe

nat theinstrumentpanel.

ttherewillbeno bindontheshaft

Installbracketandtightenthetwo clamp

nch.Tightenthefour steeringgearto

s-inchwrench.

tomakesuretheadjustmentis

tlinedunderparagraph161 b(8)of

d hasbeenputonthe shaftwhenin-

andendofsectorshaft andinstall

nutwitha IVi-inchwrench.Install

staccordingtoinstructionsgivenin

ate,steeringwheel,andhornbutton.

nstall floorandtoeboards.

ingtoinstructionsinsectionIV.

M


G o o g l e - d


o o g l e





(Chevrolet)

d

M


G o o g l e - d


o o g l e



nsfercaseandremovefillerand

h.Afterlubricanthasdrainedout,

oval

hremovethenuts andlockwashers

e universaljointtrunnionbear-

rivingflanges.NOTE:Itis good

dlebearinguniversaljointstoleave

dingthem inplacewithapieceof tape

gsandtrunnion.Thiswill keepthe

e(fig.108).

M


G o o g l e - d


o o g l e



Chevrolet)

vispins; disconnecttheshifter

.

ectthespeedometercablefromthe

ransfercase,fromrightsideof

orttheunit(fig.120).Removethe

ewsthat attachthetransfercaseto

hwrench.Supportthetransfercase

Pullthejackandtransfer'caseout

ollerjack.Runitunderthe truck

ackuntilthe transfercaseisinposi-

ptheholesandinstall eighttransfer

tentheboltswith a%-inchwrench.

ospeedometerdrivengearintrans-

rodstotheshiftershafts and

intsto thetransfercasedriven

bearingsinthebearingseats,installing

uts.TightensecurelywithaT%-inch

5-inchwrenchandfilltransfercaseto

fthis manual.Installfillerplugand

s.

ROLRODADJUSTMENT.

h,open-end,s/s-in.

nfrom adjustingeyeattransfer

d.

djustingeyelocknut.

into gearsothatlockball drops

inposition.

correspondwiththegearto which

iscorrectlengthforclevispin to

hiftershaft.

with a%-inchwrench.

ins.

M


G o o g l e - d


o o g l e









Chevrolet)

SHIFTING.FIRSTANDSECOND

TINGFORK

ssionCover

M


G o o g l e - d


o o g l e





Chevrolet)

moval

M


G o o g l e - d


o o g l e



othe floor(fig.122).NOTE:Itis very

transmissionbesupporteduntilthe

eoutofthe splinesintheclutchdisk.

t,%-in.

-end,i%-in.

ftransmissionandclutchhousing.

hetruckand raisethetransmis-

aftlinesupwith splinesinclutch.

place,beingcarefulnottoreleasethe

isupagainstthe clutchhousing.

issionstoclutchhousingbolts.In-

toclutchhousingbolts andtightenall

hetwrench.

erpanand tightenthescrews

jointinpositionagainstthe flange.

s,andnuts.Tightenthenuts securely

h.

backspring.

od andtightentheattachingbolt

leverandtransfercaseshiftlevers,

ghtenthemwithaT9g-inchwrench.

correctlevel.SeesectionIV.

wasdisassembled.

tallthe retainingscrews.

M


G o o g l e - d


o o g l e



Chevrolet)

STIRES

e normallyusedonthisvehicle;

einstallationofdual wheelseither

ydemand.

yinnerandouterretaining nuts.

,theouternut shouldbekepttightened

oss.

hetiresize7.50 x20.Tirepressure,

dat thefrontwheelsandHyatt

eareusedatthe rearwheels.

M


G o o g l e - d


o o g l e



STIRES

newcap.

acecore.

sto

mproper

impropertoe-in.

ACEMENT.

ubnut

oosenthewheelretaining nuts.

ainingnuts withthehubnut

bly.

ingtowardthecenterofthe wheel

hewheel.

othe recessintheclampringand

theedgeofthewheel.

nsand removethetireandtube

ethe clampringisseatedagainst

itswholecircumferencebeforeinflating

ts andtightenthemevenlywithawheel

ld becheckedfrequentlytokeep

dencyforthemtoloosenduring operation.

M


G o o g l e - d


o o g l e



Chevrolet)

Wheels.

andapplyparkingbrake.Loosen

eelthatis tobeworkedonwiththe wheel

untilthewheelclearstheground.

s thatwerepreviouslyloosened

er,bendthelugsofthe lockplate

BearingOuterNut

vethecapscrewswhichattachthe

huborwitha s/s-inchwrenchremovethe

wheelhub.

M


G o o g l e - d


o o g l e



STIRES

tight,itmayberemovedbyinstalling

haftcapscrewsinthetapped holesin

esecapscrewsalternately,thedrive

oved(fig.17).

heouterlocknut andremovethenut,

3).Thenremovethe nutlockwasher.

a Thandle,pulltheinner nutup

thenutoffa distanceequaltothat

holes,whichisequalto 45degrees.

orttangonlockingwasherand bendthe

tightenthenutsecurely,usingthe

ongtangonlockingwasherinto slotinnut.

tonthe driveflangeoraxleshaftand

i neupthebolt holesintheflangewith

gure124.

ange

sthroughanewlockplateand tighten

/4-inchwrench.Wheretensionwrenches

ouldbetightenedtoa torqueloadof

lateagainstthecapscrewheads.

M


G o o g l e - d


o o g l e



Chevrolet)

—Front.

o(8)of thisparagraph.

gnut.

bearingandconeassembly,and

clamp.

oval

r bearingandoilseal.Thepuller is

hchainattached,sothatitmaybe slipped

aringandthenraisedupbehind theouter

spositionbythe chainwhilethreading

ole.Thepullerbodyisthen located

ndthepuller handleinstalled

M


G o o g l e - d


o o g l e



STIRES

rracefromthehub,usinga longdrift

hehubsothat itcontactsthebackof

sideofthehubwith SOLVENT,dry

ceany thatareworn,scored,or

oodpolicytousenewparts.

innerandouterbearings,using

erdriveor presstheminplace(fig.126).

ace

thracesshouldbe facingawayfrom

roller assemblywithGREASE,

ectionIVfor instructions.

htlywithsealingcompound,place

iveitinto thehubuntilit contacts

atingofOIL,engine,seasonalgrade,

lseal.

M


G o o g l e - d


o o g l e



Chevrolet)

ngknuckle.Thenhandpackthe

hGREASE,generalpurpose,No.2or its

ub.Installspacerwasherandadjust-

ngtoinstructionsgivenin para-

earingSeal

—Rear.

nch,drift

M


G o o g l e - d


o o g l e



RES

M


G o o g l e - d


o o g l e



Chevrolet)

(2)to(8) ofthisparagraph.

gnutandspacerwasher.

bly.

amptopreventloss offluidin

ydepressed.

nder174h(5) ofthisparagraphand

(fig.125).

tap theouterbearingouterrace

vethetensiononit. Thenremovethe

g.128).

AdjustingNuts

riving theouterraceofthe

ub, usingouterbearingremoverand

esonthe housing.Theyshouldbe

ENT,drycleaning.Packtheroller

ralpurpose,No.2orits equivalent.

apringinthe hub.

M


G o o g l e - d


o o g l e



STIRES

race inthewheelhubwith the

sthebearingfirmlyagainstthesnap

ceremoverandreplacerJ—872—1

aringinhubwithwideside ofthe

KM)to presstheraceagainstitsseat.

with LUBRICANT,generalpur-

erbearingouter race.Installtheoilseal,

-2(KM).Pressthesealdownagainst

ckthesealinplaceby prickpunching

massembly.Handpacktheouter

fhub,turning thehubtoproperly

dadjustingnut(fig.129).

aragraph174.

M


G o o g l e - d


o o g l e



Chevrolet)

atthe presenttime.

M


G o o g l e - d


o o g l e



5

TURELISTS:

-85,Vol.IV.

catingmate-

dsim-

Listsareas

ofSNL'sis

licationsfor

ATIONS:

0

TM10-570

80

55

ting,and

ems

entTM9-850

M


G o o g l e - d


o o g l e



Chevrolet)

M5-25

540

FM21-40

sOFSB6series

TM10-525

60

M10-505

15

10-545

entAR850-18

530

M


G o o g l e - d


o o g l e





12

ws15

Chevrolet)

3S

M


G o o g l e - d


o o g l e



25,29

M


G o o g l e - d


o o g l e



Chevrolet)

0

n24

M


G o o g l e - d


o o g l e



1

7

of55-56

59

-69

77-88

M


G o o g l e - d


o o g l e



Chevrolet)

-161

t

crip-

M


G o o g l e - d


o o g l e



.32

-115

24-25

M


G o o g l e - d


o o g l e



Chevrolet)

d

-169

1-238

nt'd,

M


G o o g l e - d


o o g l e



4

M


G o o g l e - d


o o g l e



Documents

Tm 9-765 BOMB SERVICE TRUCK M6