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8/8/2019 Apollo Operations Handbook Extravehicular Mobility Unit Volume II
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T
P
APOLLO
SPACE
MSC-01372-2_F
ADMINISTRATIONN73-73947
Unclas00/99 18140
VOLUME 1_OPERATIONAL PROCEDURES_
ORIGINAL ISSUE MAY 1969REVISION 1"ff
. ,_ ,,,,,_ _ MANNED SPACECRAFT CENTER_!,_,:,_..,_]y : HOUSTON,TEXAS
JUNE 1971
MOBILITY UNITOPERATIONS HANDBOOK
EXTRAVEHICULAR
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:lTit
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Manned Spacecraft CenterCrew Systems Division
MSC-01372-2
PROJECT DOCUMENT COVER SHEET
APOLLO OPERATIONS HANDBOOKEXTRAVEHICULAR MOBILITYUNIT
VOLUME II -- OPERATIONAL PROCEDURES
CSD [OATECS0-A-789-(2) III May 1969
PREPARED BY:APPROVED:
APPROVED:APPROVED:
_0 ..r I ,C,,ANCH_/F_//_/_.L_ -T/_-/
. _Ro6ert E. Smyli_' Chief_ CSD /
NO. OF PAGES ]_6DATE i
Dct. 69q
3ept 70
June 71
PREPARED BY
J. L._ Gibson I
,iMSC FORM 15i (REV MAY 67)
R_VI_gQM_;APPROVALS RE. LETTER
BRANCH DIVISION PIIOQRAM OFFICE
Rev. TRev. IT
Rev. III
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I
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PI_!Ei:T DOCUMENTCHANGE/REVISION LOGFOE CSD ORIGINATED DOCUMENTNUMBER,CSD-A-78_(2) III
m jF_
CHG. /NO.
Roy. ILl
AUTHORITYFOR CHANGE
PAGESAFFECTED
All
BRIEF DESCRIPTION OF CHANGE
Reorganized and rewritten toaccommodate A7LB suit configurationand the - 7 PLSS configuration
END ITSERIAL N
AFFEC
Apol 1o
_TERE_D PAGES T E TYPED & DISTRIBUTED FOR INSERTIONMSC Form 892 (Rev Apr 80)
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CSD-A-789-(2) IluAPOLLO OPERATIONS HANDBOOK-EMU
_ection4.4.14.1.1
4.1.24.i.34.1.4
4.2
4.2.1
4.2.2
4.2.3
4.2.t,
4.2.54.2.6
4.3
4.3.1
4.3.2
4.3.34.44.54.64.6.1
4.6.2
4.6.3
4.74.7.i
C_T_TS
OPERATIONAL PROCEDURES ..................
PGA DONNING_ DOFFING .................
PGA Donning Procedures Before IV Use ...........
PGA Doffing Procedures After IV Use ...........
PGA Donning Procedures Before EV Use ...........
PGA Doffing Procedures After EV Use ...........
OPS OPERATIONS ......................
OPS Checkout .......................
OPS Donning Prior to Contingency Transfer ........
OPS Donning Before CMP EVA ................
OPS Activation ......................
OPS Deactivation ...................
OPS Doffing After CMP EVA ................
PLss/oPS DONNING AND DOFFING ...............
PLSS/OPS Donning .....................
PLSS/OPS Doffing in Pressurized Environment .......
PLSS/OPS Doffing in Unpressurized Environment ......
PLSS COMMUNICATIONS CHECK ................
PRESSURE INTEGRITY CHECK .................
PLSS NORMAL OPERATING MODES ...............
PLSS Activation .....................
Wet Sublimatcr Restart ..................
PLSS Deactivation ..................
PLSS RECHARGE AND FEEDWATER R_4OVAL PROCEDURES ......
Battery Replacement ...................
Page4-1
4-2
4-15
4-204-254-29
-294-29
4-30
4-32
4.-32
4-32
4-33
4-33
4-36
4-_0
4-45
4-47
4-49
4-49
4-504-5o4-524-52
BASIC DATE May 1969 CHANGE DATE June 1971 PAGE iii
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Section
4.7.2
4.7.32.84.8.1
4,8,2
.8.3i_.8.44.9
4.9 .i4.9.24.9.3
4.9.4h.i0h.lO.l
4.10.2
h.ll4.ii.i
4.11.2h.ii.3
4.11.4
4.11.5
.11.64.11.74.11.8h.ll.94. !i.i0
CSD-A-789-(2) IIIAPOLLO OPERATIONS HANDBOOK-EMU
PageRemoval of LiOH Cartridge From Stowage Container ..... 4-53
LiOH Cartridge Change .................. h-5hPURGE VALVE OPERATION .................. 4-56
Activation Procedures for Purge Valve .......... 4-56
Flow Adjustment Procedures ................ 4-56Shutoff Procedures .................... 4-56
Purge Valve Removal Procedures .............. 4-57
PRESSURE CONTROL VALVE OPERATION ............ 4-58PCV Installation ..................... 4-58
PCV Activation ...................... 4-58
PCV Deactivation ..................... 4-58PCV Removal Procedures .................. &-58
EMU INFLIGHT MAINTENANCE ................. 4-59PGA and LEVA Inflight Examination and Maintenance .... 4-59
Bioinstrumentation Inflight Repair ............ 4-64MISCELLANEOUS PROCEDURES ................. 4-66
PLSS Gas Trap Activation ................. &-66Camera Mounting on RCU .................. 4-67
BSLSS Bag to PLSS Donning ................ 4-68
BSLSS Bag to PLSS Doffing ................ 4-68BSLSS Stowage on LRV ................... 4-68
BSLSS Donning and Activation Procedure .......... 4-69BSLSS Disconnect Procedure ................ h-69Donning and Doffing Helmet Shield ............ &-70
Donning and Doffing Neck Dam ............... &-70Insuit Drinking Device (ISDD) Installation and Use .... h-71
BASIC DATE May 1969 CHANGE DATE June 1971 PAGE iv
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CSD-A-789-(2) IItAPOLLO OPERATIONS HANDBOOK-EMU
Section Psgc_
4.ii.ii OPS Oxygen Usage for Metabolic Makeup --LM and CM .... 4-74
4.11.12 OPS Bleed Down --LM and CM .............. 4-%5. EMU MALFUNCTION PROCEDURES FOR LUNAR SURFACE EVA ..... 5-1
5. I INTRODUCTION ....................... 5-]
5.2 FORMAT OF MALFUNCTION PROCEDURES ............. 5-1
5.3 MALFUNCTION SYMPTOMS FOR EMU USINGPLSS SV 706100-7 .................... 5-3
BASIC DATE May m969 CHANGE DATE June 1971 PAGE v
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CSD-A-789-(2) IIIAPOLLO OPERATIONS HANDBOOK-EMU
acfm
AOH
BSLSS
CDR
cfm
CM
CMP
CO_
CSM
CWG
"DES" H20ECG
ECS
EMU
EV
ISDD
LEVA
FCS
ITMG
IV
IVA
kHz
LCG
LiOH
LM
MSFN
ABBREVIATIONS
actual cubic feet per minuteApollo Operations Handbook
Buddy Secondary Life Support System
Commander
cubic feet per minute
command module
command module pilot
communications
command/service module
constant wear garment
descent water
electrocardiogram
environmental control system
extravehicular mobility unit
extravehicular
insuit drinking device
lunar extravehicular visor assembly
fecal containment system
integrated thermal micrometeoroid garment
intravehicular
intravehicular activity
kilohertz (thousand cycles per second)
liquid cooling garment
lithium hydroxide
lunar module
Manned Space Flight Network
BASIC DATE May 1969 CHANGE DATE June 1971 PAGE vi
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C SD -A-789-(2) it._APOLLO OPERATIONS HANDBOOK-EMU
OPS
PGA
PHA
PLSS
pos.
POS
press.
psia
psid
psig
PTT
RCU
rcvr
SC
sel.
SSC
SW.
TLSA
TM
UCTA
UTS
vlv
VOX
WMS
xduc e r
xmtr
ZPN
oxygen purge system
pressure garment assembly
pressure helmet assembly
portable life support system
position
primary oxygen system of PLSS
pressure
pounds per square inch absolute
pounds per square inch differential
pounds per square inch gage
push to talk
remote control unit
receiver
spacecraft
selector
space suit communicationswitch
torso limb suit assembly
telemetry
urine collection and transfer assembly
urine transfer system
valve
voice operated transmitter
waste management system
transducer
transmitter
impedance pneumograph
BASIC DATE May 1969 CHANGE DATE June 1971 PAGEJ-_-_-
t I E
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CSD-A.789-(2) IIIAPOLLO OPERATIONS HANDBOOK-EMU
AT change in temperatureAP change in pressure
BASIC DATE May 1969 CHANGE DATE June 1971 PAGE viii
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,.,
CSD-A-789-(2) IIIAPOLLO OPERATIONS HANDBOOK-EMU
FOREWORD
This handbook, sections h and 5, of the Apollo Operations Handbook (AOH)series, is bound separately as Volume II and pertains only to the Extra-vehicular Mobility Unit (EMU). Volume I of the AOH contains sections l,2, and 3, and pertains to the description of the EMU.
The operational procedures are written specifically for Apollo J-missionEMU hardware and will be superseded by a mission-oriented checklist whichis reviewed by Crew Systems Division (CSD) for unique hardware procedures.Both the operational procedures and the malfunction procedures will be up-dated for the mission.
This handbook is composed of two major sections:
a. Section 4 provides a step-by-step operational procedure for activationand deactivation of EMU subsystems.
b6 Section 5 provides emergency procedures for critical EMU symptoms andcontinuing diagnosis during EVA and post-EVA to determine the EMUmalfunction (to be supplied).
Insuiries concerning this handbook should be addressed to Crew SystemsDivision, Systems Engineering Branch, MSC, mail code EC2 or to CrewProcedures Division, EVA/IVA Procedures Branch, mail code CG3.
BASIC DATE May 1969 CHANGE DATE june z971 PAGE i_
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CSD-A-789-(2) IIIAPOLLO OPERATIONS HANDBOOK-EMU
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APOLLOCSD-A-789 (2) III
OPERATIONS HANDBOOK-EMU
,,s. 00 -r-I
_ 4o4om 04_ om M __ 4om % IDo IDo e.-t "_
,-4 -,--i
O _O O O
q)ffl O
BASIC DATE Mar 1969 CHANGE DATE June _97_ PAG E _-?_
==O3O
H
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5.1.2
5.1.3
5.l.h
5.1.5
SECTION 5
EMU MALFUNCTION PROCEDURESFOR LUNAR SURFACE EVA
INTRODUCTION
The malfunction procedures encompass the recognition, diagnosis,and corrective action for system malfunctions. In most cases,the crew is alerted to a malfunction condition by indicatorsand gages. The malfunction analyses do not contain solutions;such solutions are found in mission rules. The procedures inthis section cover significant single failures and are notintended to replace the detailed failure modes-effects analysespublished in other documents.
The malfunction procedures are for use during Apollo missionswhere an EMU having an SV 706100-7 PLSS will be worn. Theprocedures have been classified as (1) emergency, (2) EVA,and (3) post-EVA. (The post-EVA period commences when theLM cabin pressure reaches 3.5 psia.)
For maximum safety, all emergency procedures should be memorizedso action can be taken immediately when the malfunction occurs.The EVA procedures do not need to be memorized since they areprovided through voice communications except for steps whichcover EVA procedures for loss of voice communications.
The post-EVA procedures are designed to extract a maximum amountof information on any observed anomaly since the PLSS/OPS andassociated hardware would not normally be returned to earthfor postflight analysis. The emergency procedures are devisedso that telemetry is not used because telemetry data may notbe available to the crewman. (Telemetry should be employedto aid the emergency procedures, however, if it is possibleto do so.)
The procedures and remarks are representative of a nominal EMU.Values sad quantities, which are characteristic of an individualEMU and which can be established only be testing the actualEMU to be used in the flight, are underlined in each case.
BASIC DATE May 1969 CHANGE DATE June 1971 PAGE 5-1
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5.2.2
FORMAT OF MALFUNCTION PROCEDURES
MalfUnction procedures are presented in the format of logic-flowblock diagrams. Diagram blocks represent procedural steps.Those blocks outlined with double lines and containing capital-ized statements indicate system failures. Within blocks_ state-ments preceded by black dots ( ) indicate required actions.
The malfunction procedures are presented in three columns headedSYMPTOM, PROCEDURE, and REM__qKS. A description and use of eachof these columns is as follows:
SYMPTOM The primary purpose of the symptom columnis to give a first indication of the mal-function as received by either the crewor telemetry. The possible causes of themalfunction are indicated in this column.
PROCEDURE The procedures column presents a step-by-steplogic-flow diagram of actions and decisionsused to isolate or correct a malfunctionsymptom. The remote-event number symbolsare used to reference items to the REMUScolumn or to refer to other procedural steps.
REMARKS This column will include the following in-formation:
a, Amplifying additional remarks relatedto the symptom, such as relief valvevents at ____psid.
b. Amplifying remarks which relate to adecision and/or action items.
C, Explaining resultant system status oroperational capability after a failurehas been identified.
d. Cautioning or warning, as necessary,to cover conditions that may existbecause of a failure
BASIC DATE May 1969 CHANGE DATE June 1971 PAGE 5-2
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CSD-A-789.(2) IIIAPOLLO OPERATIONS HANDBOOK-EMU
5.3 MALFUNCTION SYMPTOMS FOR _MU USING PLSS SV 706100-7
Symptom Page
EMU 1 - Warning tone ON and low vent flow flag "P"(vent-P) .......................... 5-5
EMU 2 - Warning tone ON and low PGA pressure flag "0"(P_S - "o" ) ......................... 5-7
_u 3 - Warning tone ON and high 02 flow flag "O"(02-"0") . .. ... .. ... .. .. .. ... .. ... . 5-10
EMU 4 - Warning tone and low feedwater pressure flag "A"(H20-"A") while using primary feedwater .......... 5-12
EMU 5 - Warning tone and low feedwater pressure flag "A"(H20-"A") while using auxiliary feedwater ......... 5-14
EMU 6 - Warning tone with all warning flags CLEAR ...... 5-16
EMU 7 - PGA pressure gage 4.0 psid ............. 5-20
EMU i0 - Loss of pump noise ................. 5-21EMU ii - Inadequate cooling of crewman ............ 5-22E_fU 12 - EVA-I loses voice from MSFN (EVA-I has
voice from EVA-2) ..................... 5-24
EMU 13 - EVA-1 loses voice from MSFN (EVA-1 doesnot receive voice from EVA-2) ............... 5-25
EMU 14 - EVA-1 loses voice from EVA-2 (EVA-1 hasvoice from MSFN) ...................... 5-27
EMU 15 - EVA-2 loses voice from MSFN (EVA-2receives voice from EVA-l) ................. 5-29
EMU 16 - EVA-2 loses voice from MSFN (EVA-2does not receive voice from EVA-l) ............. 5-30
EMU 17 - EVA-2 loses voice from EVA-1 (EVA-2has comm. with MSFN) .................... 5-32
EMU 18 - Loss of voice comm. wit_ EVA-l, EVA-2,or MSFN (two-man EVA) (comm. restoration procedure) .... 5-34
EMU 19 - EVA loses voice from 1/4 ............... 5-35
BASIC DATE May 19_ CHANGE DATE June 1971 PAGE.5-3
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Symptom PageEMU 20 - LM loses voice from EVA ............... 5-37
EMU 21 - GT8168P/GT8268P PGA pressure 4.0 psid ....... 5-40
EMU 23 - GT8182P/GT8282P PLSS 02 pressure abnormal(no warning tone) ............. ........ 5-41
_MU 24 - GT8110P/GT8210P feedwater pressure ii___F (maximumdiverter valve position) .................. 5-4628 - GT8140C/GT8240C PLSS battery current
>3.___OOA(no warning tone) .................. 5-47EMU 29 - GT8140C/GT8240C PLSS battery current
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CSD-A-789-{'2) TrrAPOLLO OPERATIONS HANDBOOK-EMUI PROCEDURE REMARKSSYMPTOM I
EMU 1 IiI
and low vent j@ ICY cle FANflow flag "P" _ fan 0FF/ON SWITCHED(VENT-P) Low vent flow OFF INAD-
I fla_ CLEAR %'ERTENTLYafter i0 seciL__
Actuating Jrarameter: JVent flow5 seePossible oauses:l
a. Fan OFF or i
degraded jb. Battery
degraded Jc. High PGA AP i
d. Low vent Jflow sensorfailed on or Ihifted set
point je, Flow re-
striction In FPLSS ventloop JII
lIIIIIIIIIIIII
EMERGENCYROCEDURE
@ Actuateb .. OPS
_Open_-_ purge valve:YES to LOW FLOW
h--_ GTSlhOC/GT8240C PLSSbattery cur-rent >3.0Aor
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SYMPTOM
CSD-A-789-(2) titAPOLLO OPERATIONS HANDBOOK-EMU
PROCEDURE REMARKSPOST-EVAPRUCEDURE (Continued)
__J LOW vent flaw sensor check
0. RepressurCze 124 PLSS 0 2 - OFF OPS 0 2 - OFF Doff helmet and gloves Disconnect OPS and
pbrge valve Connect blue LM ECS and
red PGA gas connectors Connect red LM ECS and
blue PGA gas connectors Activate ECS
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SYMPTOMEMU 2
Warning toneON _ud lowPGA pressureflag "O"(PRES - "O" )
Actuatingparameter:
PGA pressure3.4 psla andshuT. off 0PS
II1q _ pressure
integrity check
Verify purge vlv - CLOSED OPS 02 - OFF@ PLSS 02 - OFF
Integrity all right
NO
EVA4-_ Verify PGApressure gage andGTSI68P/GT8268PPGA pressure>3.10 psla
mYES
mwB_PROCEDURE
POST-EVAPROCEDURE
!
To step 6next page
To step 7next page
REMARKS
OFS regulatedat 3.7 +- 0.3 psla,
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE 5-7
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SYMPTOM
BASIC DATE
CSD-A-789-(2} 1T1"APOLLO OPERATIONS HANDBOOK-EMU
PROCEDURE REMARKSPOST-EVAPROCEDUREContinued)
C>J@ PGA/PLSS Press.
Integrity Check
Disconnect OPS PLSS 02 - ON,
then OFF
Integrity all right
q PGA Press.
Integrity Checki
Connect ECS !to PGA I
DisconnectPISS Hoses
Integrity all right
NO
PGALEAK
FiJi DEGRADED PRESSURE{ REGULATOR
YES
RECORD GTSI68P/GT8268P PGA PRESSURE
OR CONNECT BLUE PLSS
GAS CONNECTOR TOOPS PRESSURE REGU-LATOR CHECKOUT
STOWAGE PLATEPISS 0 2 - ON
RECORDGAGE PRESSLU_E
PI4;S O.,Y h:,
qu BJF, i tyindicatorshows t'ech_r_c N(]--,..j
PiSS 0 2PRESSUI_E CO_40NXDUCER FAILED
DoffPLSS
LEAKBETWEENOPS SHUTOFFVLV. ANDPGA
YES LEAKBETWEENPLSS 02[51iUT-OFYVAL%_ ANDPGA.
YES"_"1
Pressurize02 ventilation loop
_Depress blue PLSS gasconnector to vent PLSS
Release blue PLSS gasconnector
PLSS 02 - ON, thenOFF after 5 min
Depress blue PLSS_Bs connectorVerify PISS 0,, flow
NO
RechargePLSS 02
FIZZ C 2quantity !indicator I< gage {-zero ] YES
NO
FLSS 02
JI Rechmrge {
PISS O 2 i
I, PRESSURE PGU-LATOR FAILEDGLanCED
GTS182/GTB282P_S ....
I NO 02 pressure YES{'@"" _hows recharge i PISS 02
i ., L QUANTITY [NDI-j CATOR FAILED'-------e_To step 26 i IT
next p_e J To step 22_next page
May 1969 CHANGE DATE
If PISS Op quazLtJtyinsufficient, per-Iorm integritycheck with EC$.
JUNE19"/1 PAGE 5-8
ll
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CSD-A-789-(2)APOLLO OPERATIONS HAND8OOK-EMUI
SYMPTOM _ PROCEDUREJ POST-EVAPROCEDUREContinued)
IIIIIIIIIIIIIIIIIIIIIIIII
BASIC DATE
i2_ yE_ 2__e Pressurlze
GT8182P/GT8282F 02 vent loopPLSS 02 pressurestable 50 rain : PISS gasconnectors toafter recharge be stowed in
I stowage plates PISS 02 - ON
LEAK UPSTREAM OF iPIZS 02 SHUTOFF IVALVE
i
GTB182P/GTB282PPLSS 02 pressuredecay after 5m_nutes
NC
YES
MAY 1969
.Piss>_oApressure verifi-cation
PISS 02 - OFF Connect bluePLSS gas connectorto OPS re_ulatorpressure checkoutstow_e plate PLSS 02 - ONCheckout gage YESpressure
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SYMPTOMEMU 3
PROCEDUREEMERGENCYPROCEDUREI
Warning tone [L_ and high0 2 flow
! flag "0"(o -"o") I
Actuating I
parameter: IPISS 0 2 flaw>0.50 to I0.65 Ib/hrfor Z5 sec [IPossible causes: [a EMU leak
b. Primary 02presgureregulatorregulatinghigher than IRV crackingpressure
c. High 0 2 flow Jsensor failed III
IIIIIIIIIIIIII
BASIC DATE
rI_Apress gage w
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SYMPTOM
IIII
CSD-A-789-(2) ZIIAPOLLO OPERATIONS HANDBOOK-EMU
i
PROCEDUREPOST-EVAPROCEDURE(Continued)
REMARKS
f PLSS 02 a,uLn-
Q@ PGA/PISS
Pressure integritycheck
Disconnect OPS PI_S 02 - ON
then 0F_
Integrity all right
J PGA press.
integrity check
Connect ECSto PGA
DisconnectPLSS hoses
Integrity all right
PGALEAX
I.'
LEAKBETWEEN
J 0PS SHUTOFFi VALVE ANDPGA!
I YES
l
HIGH O 2 FLOW 'SENSOR ANDI_A GASCONNECTOR
!
, YES
i_ WasGTSI68P/
i i OTB268P[ yGA pre_s.I ,b.6 psid
i.$ NO
PRIMARY 0 2 PRESS.REGULATOR REGULATINGHIGHER THAN PRVCRACKING PRESS. ANDPGA PRESS. GAGEFAII_D
J
I
YES
HIGHO 2USAGE
tlty insufficientperform integritycheck with ECS.
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE 5-II
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CaD-A-789-(2) ]I[APOLLO OPERATIONS HANDBOOK-EMU- I
SYMPTOM IEMU-4 JI(p__ltonoII
and low feed-water pressure
flag "A" (H2C-"A" ) whileusing primaryfeedwater
Actuating Jparameter:
Feedwat er pres- j
sure
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SYMPTOM
CSD.A-789-(2) TI-[APOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREi
POST-EVAPROCEDURE
BLOCKAGEAT PFJMABYFEEDWATERBLADDEROUTLET
L YES
[l hl PEIMARYFEEDWATER
l RESE_VOZ_DEPLh_ED
YES
l[12J@ Pressurize_ backslde offeedwater blad-der from 0 2vent loop
@ Connect LMwaste managementsystem to PI_Sprimary ventconnector Close auxiliaryHrO shutoff andrelief valve Hosesdisconnectedfrom FGA PiSS 02 - ON
Feedwater expelledthrough prlmsry
Ifeedwater ventconnector
J Connect _,1
waste mgmt. systemto drain connector
Drain H20 or02 expelledfrom H20 drainco_ector
NO
JWATERsEPARATORBLOCKED
REMARKS
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE 5-13
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CSD-A-789-(2)APOLLO OPERATIONS HANDBOOK-EMUSYMPTOM PROCEDURE REMARKS
_r_-_ EVA PROCEDURE
Warning toneand low feed-water pressttreflag "A" (H20-
i"A") whileusingat._i li _-'yfeedwater
Actuatingparameter:
_eedwaterpressure
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SYMPTOM J PROCEDURE REMARKS
I jLOW
FEEDWATEBPRESSURESWITCHFAILEDl
lI J_Lo_AoEi
j BETWEENLADDERI AND
J FEEDWATERPRESSUREXDUCER
IiIII.IIiIIIIiiIIlIiiIiiIll
POST-EVAPROCEDURE
J
iYES
Pressurize backsideof feedwater bladder from02 vent loop Connect IMwastemanagement system to PIZSauxil_ary feedwater ventconnector Hoses disconnectedfrom PGA PIZS 02 - ONFeedwater expelledthrough auxillaryfeedwater vent connector
NO'
JBOTH
FEEDWATERRESERVOIRSDEPLETED
YES
15_@ ConnectI/4wastemanagementsystemto PLSS H20drain
, connector
Drain H20or 02expelled fromPLUS H20 drainconnector
SEPARATORBLOCKED
BASIC DATE MAY 1969 CHANGE DATE JUNE1971 PAGE 5-15
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CSD-A-789-(2} I-I1APOLLO OPERATIONS HANDBOOK-EMU
1SYMPTOM j PROCEDURE REMARKS
- 6 EMERGENCYPROCEDURE
Warning tonewith all warn-ing flagsCLEAR
Actuating Ipars.met ers:Vent flow I5 sec
PGA pressure I0.50 to 0.65 Ilb/hr for>5 see I
Feedwat er Ipressure
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CSD.A-789-(2) lII[APOLLO OPERATIONS HANDBOOK-EMU
J PROCEDURESYMPTOM jJ EVAPROCEDUREContinued)IJ 17J LOW FEED-J WATER PRESSUREFLAG FAILEDI . CLEAR
IIljJ H2O diverterJ valve - _N. Open prlm_yI H20 shutoff _drelief valveJ Wait h rain
before cKanglng iJ 20 diverter Ij valve position
I j _wFEED!J WATER PRESSURE
FLAG FAILEDJ CLEAR
I J.._oJ diverterJ valve - M-IN. Open auxil-j iary H20 shut-off and reliefI valve Wait 4 mlnJ before cKangingH20 diverterI valve position
iiIIIIIIItII
BASIC DATE
JGT8110P/GT8210Peedwat er pressure50 F andrising
!I TONE FAILED(CAME ON
i WHEN THEREi WAS NO CAUSE)IL
FEEDWATERPRESS. FLAGFAILED CLEAR
JGO to step 3,_MU 4, page 5-12
2_ Auxiliary YESH20 shutoff andrelief valve -OPEN
61 FEED-WATERPRESSURE -4-FLAGFAILEDCLEABQI
_@ If_ditionalcooling isrequired,activateBS LES
NO
JGTSIIOP/GT8210P
feedwater press.50 F andrising
2_ Go tostep lO,LMU 5,page 5-1h
MAY1969 CHANGE DATE JUNE1971
REMARKS
Actuation ofthe OPS andopening of thepurge valve toHIGH flow mayalso be usedif BSI_S isnot carried.If PLSS 02valve .re-mains openduring purgemode, POS con-sumables may bedepleted.
PAGE 5-17
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SYMPTOM--_I
CSD-A-789.(2) mAPOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREEMERGENCYPROCEDURE
PGA pressuregage
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CSD-A-789-(2) ITIAPOLLO OPERATIONS HANDBOOK-EMU
SYMPTOM PROCEDURE REMARKSI_ J EMERGENCY PROCEDURE
PLSS 0 2 iquantityindicatorabnormal
read'n6 J
Possible Jcaus es :a. PI_s 0 2 J
quantity jndicatorfailedb. PISS 0 2 I
pressure jXducerfailed
c. PIA3S regu- Jlator 02
regulatin_ jUt of spee
d. EMU leak I.....e. High 02 usage III
iiIIIIIiIIilIII
j IPGA pressure4.0 YESpeid or high02 flowfla_ "0"
NO
_ag GT8182P/GT8282Pree with PLSS 02
quantity indicator
L NO
RechargePISS 02
ctuate!OPS
If PGAI pressure
was 4.0 paid J@'PLSS 0 2 J_._2Je- O_J
zlPLSS 02
PRESSURE REGU-LATOR FAILED
iPLSS 02quantityindicatorJ shows re-charge
t!_oPLSS 0 2
_UANTZTY INDI-3ATOE FA/LED
EVA PROCEDURE
IYES
'mR'
Go to step 5,_2, page 5-T
POST-EVAPROCEDURE
7'_@ Recharge
PiSS O2
YES _GT8182P/T8282PpLSS 02pressureshowsrecharge
t YES
PLgS 02 QUANTIT_ZNDICATOR WASIN ERROR
'l_ GT8182P/IGT8282P PISS02 PRESSUREFAI LED
LEAKBETWEEN PLSS02 SHUTOFFVALVE ANDHIGH O_ FLOWSENSOR _
NOi
I I
4--
j OTSlB2P/GT8282P PISS
YES 02 pressureshows recharge
12_ PISS 02PRESSURE XDUCERFAI LED(C0_ON XDUCER) iI
15_ PISS 0 2
.._ shutoff valve -OFF
17J GT8182P/
j GT8282P PLSS 02pressure orPISS 02 quan-tity indicatorstable after
YES 50 minutes
1;0N _UPSTREAM OFPISS 0 2 SHUTOFFVALVE
1600 Btu/hrmetabolicload Dlusallowable
leakageCObBles a_rox-imately 0.25 ib/hr 02,Without makeup02, this willreduce PGApressure to3 psia Inapproximately3 minutes.
OPS regulates
at 3-7 +-0,3 paid.
BASIC DATE. May 1969 CHANGE DATE JUNE1971 PAGE 5-V; : ,.
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SYMPTOMEMU 9
_2PGA pr es s',.u-egage>_.0 paid
Possible causes:
a. Regulatorfai Is openor shiftsset point
b. PGA pressuregage fails
BASIC DATE
IIIJ_I
CSD.A.789.(2}/-FIAPOLLO OPERATIONS HANDBOOK.EMU
PROCEDUREEMERGENCYPROCEDURE
,, ?igh 02 flow @ Actuate OPS PiSS 02 PRESS.
fla_ "0" i----_(after 5 sec) YES : Close PLSS REGULATOR FAILEDor PLSS 0 2 02 shutoff sETOPENpoINTORHIFTEDquantity valve ifindicator possibledecreasing ....._
Does GT8168P/GT8268P SHIFT IN PLSS 02PGA press, agree with _PEA press, gage YES REGOYATED PRESSURE =
N0 LPOST-EVA PROCEDURE
I' !,6j. connect blue PLSS 71
gas connector to GTSI68P/GT8268POPS regulator "-_checkout stowage PGA PRESS. FAILED
i plate IDoes OPS gage agreewith PGA gage YES
_oN
PGA PRESS.GAGE FAILED
REMARKS
PLSS 02 pressureregulator regu-lates to h.0 paidmaxizr_m to PGA.PGA pressure reliefvalve cracks at5.0 to 5,75 paid.
If additional mobil-ity is needed,open purge valveto reduce PGApressure to>3.h paid.
An additionalindication ofhigh PGA pressurewould be reducedPGA mobility.
May 1969 CHANGE DATE JUNE1.971 PAGE 5-ZO
11r
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SYMPTOMEMU I0
Loss of p_pnoise
Possible "causes :
a. Pump switchOFF
'b, Power failure
,c. Cpen RCUconnection
d. Pump failure
BASIC DATE
CSD.A-789.(2) 13]APOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREEMERGENCYROCEDUREI
J lJ Receiving
F. sldetone
Actuate OPSand purge valve-
J LOW FLOW andactivate BSLSS
IIIIIINmm_mI
{ Is RCU connection. properly mated
NO
OPEN _CU CONNECTION
YESM,
Pb]4P SWITCHED! OFF
F m wEVA PROCEDUREGTS___OC/
Pump switch -----@- GTB2b0C ----e-or_ YES PiSS battery KEScurrent
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SYMPTOM j PROCEDUREMU II EMERGENCY PROCEDUR[
Inadequatecooling ofcrewman(no wP_rn i ngtone, nowarning flag)
IPossible causes: Ja. Thermal leakb. _=p degradJ
tion or flow IIestrictione. oas m trans-J
portllnewater j
d. Primary ware rshutoff andrelief valveclosed
e. Auxiliary Jwater shutoffJand relief Ivalveclosed
f. Waterseparatorblocked
g. Depletedprimaryfeedwaterreservoir
h. Depletedauxiliaryfeedwaterreservoir
i. Blockagebetweenbladderandsub limator
II
wr f,.2opalve - idiverterMAX.@ V_-rify pump
J switch - ON,l'1 Is primary
H20 shutoffand reliefvalve open
iNO
fT j@ H20diverter valve-MIN. C ,_ ,, .:n H 20
shutoff andrelief valvethat inadver-tently wKsclosed
J 'Wait h_ minutes
j before changingH 20 diverter[ _J valve position
!
I
YES [
Is thef,' F.MU operating !YES
r on auxili_y "_feedwater it
U !,4[,_"-5_
I see i!
[Cooling improve_!YES'within 3 minutes! ''_i -- i
NOr
18]@ If additional;cooling is required,activate BS_S _i
iI
.mLO_
PEEDWATEHPRESS. SWITCHFAILFD
A Is auxiliary
H20 shutoff andre]_ef valve opez
YES i NO
J GAS INT R._S P 0RTWATER LINE
F""""'"" .......
J LI[ _ GT8170T/GT8270T
02 temp _..Oe F,GTSI96T/GT8296TLCG H2_ AT (50 F,
i and GTSI5 hT/Gq _254TLCG H20 tamp .50 F
(h20 d_vt'rter inMAX, COOLING )
I _C
C_'_J.gC;T,T_:96T] _ cc,o_;_FmWI LCG _pO AT >'I F _ RATE
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CSD-A-789-(2) TTT: APOLLO OPERATIONS HANDBOOK-EMUSYMPTOM II PROCEDURE REMARKS
EVAPROCEDUREContinued)
BASIC DATE
IIIIIIIIIIIIIIIIII LIIIIIIIIIIIIIIIIIII
EXCESSIVETHERMAL LEAKINTO EMU
Check LEVAposition, latchand interfacecollar, and adjustas required
Cooling improved
N
mD_
i INSULATIONHEAT LEAK !I
YES
LEVAHEAT LEAK
MAYI969 CHANGE DATE JUNE1971 PAGE 5-2B
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SYMPTOMEMU12 J
EVA-I lose8voice fromMSFN (see"Additionalconditions"below)
Additional
conditions: Ji. Dual EVA
2. EVA-I has J70iC_ from
EVA-2 I
Possible causes: J
a. I,M or MSFN Jfailed
b. EVA-I "A" Jvolume con-
trol turned Joo low
c. EVA-I R/T JelaF K-Ifailed
closed in Jbackup mode
d. Triplexer "A" Isection failedl
e. EVA-I "A" re- lceiver RF
section failed I!f. EVA-I tri- "
plexer "A" Jsection, "A"receiver, orR/T relay K-I lfailed open Inl
both modes {g. EVA-1 "A" re-
ceiver audio Jsection failed I
h. Recelver "A" IRCU volume
control failed IIIIIIIII
BASIC DATE
CSD.A-789-(2) ITlAPOLLO OPERATIONS HANDBOOK-EMU
Does EVA-2 re-ceive voice
J from MSFN
FNI_ OR _I_FAILED
71EVA-I "A"VOLUME CONTROLTUNNED TOO LOw
YES
I
Y_
m_mmmnPOST-EVAPROCEDURE
May 1969
PROCEDUREEVAPROCEDURE
Does kWA-Ihave side- YEStone
INO@ EVA-I set
RCU "A"volume con-trol to max.
I Set EFA-Imode sel. SW.at "B"
Set EVA-2mode sel.SW at "A"1
Does EVA-2YES receive
voice fromEVA-I
i _No
,__]EVA-I R/T RELAY' K-I FAILED OPEN
IN BOTH MODES,OP TRIPLEXER "A"SECTION FAILED
F
iii++AR,TEl LAy K-I FAIL-ED CLOSED IN
-e.J MODE "B", OR"A" RECEIVERRF SECTION
i FAILED
! I
IF
!101i Swap EVA-I RCU
with EVA-2
EVA-I receive on"A" receiver
0
EVA-I "A" RECEIVE_FAI LED
ii
CHANGE DATE
RECEIVER "A""--'@" RCU VOLUMEYES CONTROL FAILED
i!i
REMARKS
JUNE1971 PAGE 5-24
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SYMPTOMEMU-13:
EVA-I losesvoice frc_MSFN (see"Additionalconditions"below)
Additionalcondltlons:
i, Dual EVA
2. EVA-I doesnot receivevoice fromEVA-2
Possible causes: J
a, Comm. Icarrierfailed
b, RCU mode Jselector "A"section Ifailed
c. HCU cable Jfailed
d. Primary Jdual e_.
regulator Iailed
e. PLSS electrl- Jcal umbilleal I
failed If. Ant enn& or
triplexer Jolmmon portfailed
g, J-3 Pin 8 I
fal led j
IIIIIIIII
J ,,
CSD-A-789-(2) T[lAPOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREEVA PROCEDUREI
IDoes _A-I have
I sldetone y_I ii J_VA-I set mode
sel. SW, in "A"
I positionc_m. restor_ ij withM_ i----_ES_o
lls=s_,o_Ition "B"Does EVA-I hear' I, siaetone _J y----_"_
BCU MODE SELECTORDUAL CONTACT "A"WAFER FAILED
EVA-I mode sel. SW.in pea. "B '_
EVA-2 mode sel. SW.In pos. "A"
REMARKS
NO
@ EVA-I PLSSfan - OFF>_ sec
i EVA-I hear' warning Tonet
EVA-I lowvent flowflag "P"while fanis OFF
YES
To step 16next I)age
Y_S Ii
;_]RCU MODE SELECTOR "A"WAFER FAILED
RCU J-3PIN 8
i FAILED
NO
Jmmm_ Im N
To step 13 To step 18next page next page
BASIC DATE May 1969 CHANGE DATE JUNE1(_71 PAGE 5-25 ,
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SYMPTOM
BASICDATE
CSD-A-789-(2)1-1APOLLOOPERATIONSANDBOOK-EMU
PROCEDURE REMARKSPOST-EVAPROCEDURE
rI __1 .@_Swap EVA-I
CO_. c_rrierwith _A-2 I
Comm. YESrestoredL
NO
,r
SUIT ELECTRICALHARNESS FAILED L
I_@ EVA-Iconnect to[14 electricalumbil_cal
Comm. restored "_. YES
Swap EVA-IOPS withEVA-2
Comm. YESrestored
NO
EVA-I TRIPLFX-ER COMMON PORTFAILED
- _A-ICON_.C_Ri_FAIL_
Swap EVA-IRCU withEVA-2
Co_. re-stored in mode YESsel. SW.pos. "A", "AR" 4and "B" J
NO
ECUMODE SE-LECTOR DUALCONTACT "A"WAFER FAILED
:l..._ PRIMARY DUAL/CO_4. REGU-LATOR FAILED
PLSS ELEC-TRICALUMBILICAL
! FAILED
91 'ifEVA-I ANTENNAOR CABLE FAILED
May 1969 CHANGE DATE JUNE1971 PAGE 5-26
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SYMPTOMEMUi4
EVA-I losesvoice from iEVA-2 (see "Ad-:ditional condi-tions" below)
Additionalconditions:
I. EVA-I hasvoice fromMSFM
2. Dusd EVA
Possiblecauses :
a. EVA-I B/CvolUme con-trol set toolow
b, EVA-I "B"receiveraudiosectionfailed
c. EVA-2 P_switch wasOFF
d. EVA-2 R/Trelay K-2failedclosed in"A" position
e. FM linkfailed
f. Audio sec-tion ofsignalprocessorfailed
(Continued onnext page)
PROCEDURE
CSD-A-789-(2) 1-rtAPOLLO OPERATIONS HANDBOOK-EMU
EVAPROCEDUREII
_A-I set RCU ii/C vol_e to I VOLUME coNTROL WASMAX, TURNED _0 _W
l Co_. restored
I NO _S
I Does MSFN hear _A-I "B"A-2 and re-ceive _ from YES NCVR. A_IOSECTION FAIL__A-2I
I 61J Does MSFN re- _ _A-2 switch
ceive _ but YES PTT O_/_IN
J no voice from_'A-2 Co_. restored YESi I ISW. - pos, "B" i MOM from _IN.
I YES I _srestored J I COCo restored _ICo_, i iI 1_ _I _
_A-2 R/T RE-
l _Y K-2 FAIL_CLOSED IN "A"POSITION
FAIL_L,................------Totep 15 To step 12
i next page next page
IIIIIIII
EVA-2 PTTSWITCH WASOFF
|iiiiili_i
REMARKS
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE. 5-27
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SYMPTOMIIPossible causes: I
(continued) !_. PTT circuit
in EVA-2 RCU iailed
h. _ circuit Iin EVA-2PLSS failed
i. EVA-2 com. Icarrier
failed ItIIIIIIIIIIlIllIIIlltllI
CSD-A-789-(2) 15_APOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREPOST-EVAPROCEDURE
,I
J Swap EVA-2RCU withEVA-I
Co_,restored
NO
PRIMARY VOXCIRCUIT INEVA-2 PLSSFAILED
YES
MAIN CONTACTSOF _ SWITCHIN EVA-2 RCUFAILED
Swap EVA-Ico mm . ear-rler withEVA-2
Comm.restored
NO
AUDIO SECTIONOF SIGNALPROCESSORFAILED
iiJil EVA-2 COM_.
----m _ CABRIEH FAILEDYESi
REMARKS
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE 5-28
71!
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SYMPTOMJEMU5 JI
_IEVA-2 loses Jvoice from
MSFN (see "Ad-itional con-ditions" below)
Additional Jconditions: Ii. Dual EVA2. EVA-2 re- J
celves voicefrom EVA-I j
Possible causes: ia. "A" volume "
control Jurned toolow or failed
b. LM or MSFN Jfailed
c, EVA-2 "A" re- Iceiver RFsection Jfailed
d. EVA-2 "A" Jsection tri- |plexer failed a
e, EVA-2 "A"receiver Jfailed II[III
IIIIIIII
CSD-A-789-(2) I'17APOLLO OPERATIONS HANDBOOK.EMU
PROCEDUREEVAPROCEDURE
2J ,.Does EVA-I re- @JEVA-2 setceive voice _ RCU "A"'vol-ume controlfrom MSFN YES to MAX.
N0
LM OR MBFNFAILED
C_mm. restored
_l @ EVA-2 set
mode sel. SW.at "["
Does EVA-2have sidetone
J NO
EVA-2 "A" RE-CEIVER RF SEC-TION FAILED
YES
YES
YES
EVA-2 "A" VOL-UME CONTROLTURNED TOO LOW
EVA-2 setmode sel,SW at "B"EVA-I setmode sel,b-"_,at "A"
J EVA-I has co_m.J with EVA-2
NO
JEVA-2 "A" SEC-TION TRIPLEXER
I FAIL_D
l
Swap EVA-! RCU withEVA-2
EVA-2 co_m. with MEPNrestored
NO
EVA-2 "A" RE-CEIVE_ FAILED
POSTEVA PROCEDURE
YES
EVA-2 RCU "A"VOLUME CIRCUITFAILED
REMARKS
BASIC DATE /May 1969 CHANGE DATE JUNE1971 PAGE 5-29 "
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SYMPTOMEMU16i j'
EVA-2 losesvoice fromMSFN (see "Ad-ditional condi-tionS" below)
Additionalconditions:
i. Dual EVA
2. EVA-2 doesnot receivevoice fromEVA-I
?osslhle causes:
a. RCU mode Iselector
dual contact Iailed
b. RCU mode Ielectorswitch "A"
wafer failed Ic. RCU P-3 pin 8
failed I(Continued onnext page) III
IlIII[IIlIIIIII
CSD-A-789-{21 LUAPOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREEVA PROCEDUREII
Does EVA-I have
sldetone YES
I EVA-2 set mode RCU MODE SEL.i sel. SW. in DUAL CONTACTA" position "A" WAFER
I FAILEDSFN co:me.restored YES
I EVA-2 set EVA-2 mode Imode Bel. SW. sel. SW,
to "B" to "B"@bEVA-I mode sel
Does EVA-2 SW. to "A"hear sldetone
EVA-2 Fan RCU MODE SEL.OFF >5 sec SW. "A" WAFERthen ON FAI LEDEVA-2 hearwarning tone
YES I
]NO
EVA-2 lowvent flow _ RCU P-3 PIN 8 i :warning J NO FAILED Iflag "P" I --I
YES .i,
i
_rTo step 10 To step 17 To step 12next page next page next page
May 1969
REMARKS
BASIC DATE CHANGE DATE JUNE1071 PAGE 5-30
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!
SYMPTOM PROCEDUREPOST-EVAPROCEDURE
CSD-A-789-(2) 1"1"1APOLLO OPERATIONS HANDBOOK-EMU
Iid. PI_B elec-trical umbil- I
ical failed |
e. EVA-2 com. Iarrierfailed
f. EVA-2 tri- Iplexer failed
g. EVA-2 suit Ielectricalharness Iailed
h. RCU mode Iselector
switch dual {nd primarycontact "A"wafer failed i
i. Primary/dual
co_zn, reg- Ilator failed
J. EVA-2 antenna Ir cablefailed iIiI
iiIiiIiIIiiiiII
@ EVA-2connect to I/4tmblliealMSFN comm. allright
_ EVA-2 swap
com. carrierwith EVA-IMSFN comm.all right _YES ii
_oEVA-2 SUITELECTRICALHARNESS FAILED
PLSS ELEC-TRICAL UMBIL-ICAL FAILED YESComm. restored
i, I N0
iiEVA-2 C0_94. EVA-2 TRI- iCARRIER FAILED ! PLEXER FAILEDi
i
EVA-2 swap RCU MODE SEL.RCU with EVA-I SW, DUAL AND
PRIMARY CON- ITACT "A" WAFER ICo_m_. all right Iin "A" and "A_" _ FAILED,, I_191 N
1_ I"N._Y/DUAL EVA-2 ANTENNACOMM. REGU- ' -iOR CABLE FAILEDLATOI_ FAILED
REMARKS
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE 5-31
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CSD-A-789-(2)mAPOLLOOPERATIONSHANDBOOK-EMU
SYMPTOM PROCEDURE REMARKSEMU7 EVAPROCEDUREII
voice from _A-2 !EVA-I (see _set RCU B/C I VOLUME"Addition_ I vol_e to I CONTROL WAS?onditlons" I MAX. i TU_ _O LOW
below) i I CoB, 'restored _SI I'I Does _ have
co_. from
Additionalconditions:
i. Dual EVA
2. EVA-2 hascomm. withMSFN
Possible causes :I EVA-II
a. EVA-2 B/Cvol_e con- Itrol turn-
ed too low Ib. EVA-2 "B"receiverfailed I
c. EVA-I RCU PTT Iwitchturned OFF
d. EVA-2 "B" Isection tri-plexer or K-2 Irela_v antenna
section failed I(Continued On
next page) IIIIIIIIIIIIIII
NO
@ EVA-Iensure thatRCU P_switch isin MAINposition
BASIC DATE
EVA-2/EVA-ItoE, restored
N0
@EVA-I setRCU PTrswitch toMOM position
lq
May
EVA-2/EVA-Ico_m. restored
NO
@EVA-I swap RCUwith EVA-2
EVA-2/EVA-Icomm. restored
NO
To step 13next p_e
1969
YES
II' YES
@ EVA-2 setmode sel.SW. to "A" D- EVA-I setmode sel.SW. to "B"
EVA-2/EVA- icomm. allright _S
J NO rj EVA-I i
RCU PTT SW. iACCIDENTALLY I
l SET TO 0_ iPOSITION
ii EVA-I V0X! CIRCUIT OR! RCU PTT SWITCHi VOX SECTION
FAILED
POSTEVAPROCEDURE
YES
EVA-IRCU PTTSWITCHCIRCUITFAILED
CHANGE DATE
EVA-2"B" RECEIVERFAILED
t
EVA-2"B" SECTIONTRIPLEXER ORK-2 RELAYANTEnnA SEC-TION FAILED
JUNE1971 PAGE 5-32 "
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CSD-A-789-(2) ]33.APOLLO OPERATIONS HANDBOOK-EMU
SYMPTOM
IIPossible causes :(continued) I
e. EVA-I VOX jircuit orRCU PTr
switch VOX Isectionfailed
f. EVA-I RCU JPIT switchclrcu_t i.failed J
g. EVA-I pri-mary/dual Jsignalprocessor Jailed
h. EVA-I VOX/FFI lcircultfailed
i. EVA-I comm. lc_rrier "failed J
J. EVA-I suitelectrical Jharnessfailed JII
IIIIIIIIIIIIII
.... i
@JEVA-I connectto LMumbllical
EVA-I/EVA-2 comm.restored
;NO
J@IEVA-I swap
co._. carrierwith EVA-2
EVA-Z/MS_comm. restored
_o EVA-I SUIT
ELECTRICALHARh_EBSFAILED
PROCEDUREPOST-EVAPROCEDUREContinued}
rA-I reconnect
%0 PISSRCU mode sel.
; switch to "B"_..._$..M set forbackup mode_Es _iEVA-I/MS_
comm. restored
l_iN
EVA-I VOX/PTTCIRCUITFAILED
iIi!!I
EVA-I PRIMARY/ IDUAL SIGNAL IPROCESSORFAILED
,Ji EVA-I C0,_4.
CARRIERFAILED
,_'_s.
BASIC DATE
REMARKS
May 1969 CHANGE DATE __JONE 1971 __ PAGE - 5-33
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SYMPTOMEMU18
Loss of voiceco_m. withrEVA-I,EVA-2, or MSFN(two-man EVA)(comm. restora-tion procedure)
Possible causes:
a. EVCS re-ceiver "A"squelchfailure
b. LM VHF "A"failure
c. Volume con-trol too low
d. P_ switchOFF or inter-mittent
e. VOX circuitfailure
f. EVA-I XMTR"B", EVA-IRCVR "C" EVA-2 RCVR"B", orEVA-2 XMTR"C" failed.
g. EVA-I RCVR"B"/RCVR "C"surmmed out-put failure
h. EVA-I orEVA-2 totalcomm. failure
BASIC DATE
IIIII1IIIIII!IIIIIIIiIIIII!
_au-A-/oY-(Zt .iLLAPOLLO OPERATIONS HANDBOOK-EMU
PROCEDUREEVAPROCEDURE
Excessivenoise presentin headset
NO
I_creaseappropriatevolume control
?i YES @ Outer volumei-----@- control -
DECREASE
EVA-I/EVA-2c_. all righti i
VOLUME CONTROLTOO LOW
YESColmm. all right 1
' PTT - OFF Outer volume ithen MAIN control -
Co_. all right INCREASE
_s_l _oJ L_.,_,,o. ij
PTr SWITCHOFF ORINTERMIt*rENT Comm. all right
NO
I:_s. "B"i_ EVA 2 mode -pos. "A"
EVA 1 mode -pos. "A" NO YESEVA 2 mode - _ Comm. all right
i pos. "B"
Comm. all right ii
YES [ NO
i
r_ N1
EVA-1 RC-'VR "B"/ EVA-1 ORRCVR "C" SU_@4ED EVA-2 TOTAL
OUTPUT FAILURE _ C0_4. FAIL-URE (T_IPLEXZa,POWER SUPPLY,ETC. ) oR LMFAILURE
ji
EVCS RCVR ASQUELCH FAILOR LM PROBLI'_4ON VHF A
YES
_0 _i Outer volume
control IN-CR___SE
i periodicallyto see ifnoise present
VOXCIRCUITFAILURE
EVA-I XMTR "B"OREVA-I RCVR "C"OREVA-2 RCVR "B"OREVA-2 MXTR "C"FAILED
I
May 1969 CHA_IGE DATE JUNE1971
REMARKS
QReception of MSFNis disabled whileouter volume is Infull DECREASE.
EMUdata notavailable from EVA-I.EVA-I cannot hearMSFN.
data not ave/l-
able from EVA-2.EVA-2 cannot hearMSFN.
PAGE 5-34
lit
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CSD-A-789-(2) IT[APOLLO OPERATIONS HANDBOOK-EMU
SYMPTOMEMUIgI l
PROCEDURE REMARKSEVA PROCEDURE
iEVA loses voicefrom LM (see l"Additional iconditions"below)
Additionalconditions:
I. Single EVA J
Possible causes: ia. EVA "A" vol-
tune control Jturned too
low Ib. EVA "A" re-
ceiver HF Jectionfailed
c. BIT relay K-I Jfailed
d. EVA antenna Ifailed
e, EVA cow.carrierfailed
f. Trlplex_rcommon portfailed
g. LM elec_rlcal Jmbilicalfailed
(Continued on iJnext page) iilJiIIIiIIIIi
BASIC DATE
IIL D_oes EVA re-
) ceive voice
I from MSFN
Ij@ EVA set RCU
re'A" volumecontrol toMAX.
Co_m.restored
NO
Does EVA hearsidetone
NO
_mmmilmi
I i,J EVA connect
to I,M Umbil. -
C olnIn.restored
EVA C0)@4.CARRIERFAILED
YES
YES
lYES
YES
JEVA "A" VOL-t,ME CONTROLTURNED TOOLOW
@EVA and LMconfigurefor "B"mode
Comm.i re_toredL
NO
'r
EVA swapi OPS with
other crew-Ran
hComm.restored
NOim
EVA R/T RE-LAY K-I, K-2,OR TRI PLEXERCOMMON PORT
j FAI_
ITo step 12next p_e
6J !EVA "A" RCVR.RF SECTION,OR R/T RELAYK-I, OR LMFAILED
YES
POST-EVAPROCEDURE
EVA ANTENNAFAILED
IYES
To step 15next page
May 1969 CHANGE DATE JUNE19?1 PAGE 5-35
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SYMPTOM
CSD-A-7 uYq_'Ju..tAPOLLO OPERATIONS HANDBOOK.EMU
PROCEDURE REMARKSPOST-EVAPROCEDUREContinued)II
Possible Causes: Icontinued )
h. EVA RCU "A" iolume cir-cuit failed
i. LM failed I
J. EVA "A" re- Ielver RFsection
failed Ik. PLSS electri-
ca/ umhiliced Iailed
i. Primary dual I ....comm. regula- 151tot failed
I EVA connectm. EVA "A" re- to other PLSS JIceiver failed i Cosm. restored II
i_ I"I LH FAILEDIi_
BASIC DATE
IIIIIj II . PRIMARY/DUALCO_. REGU-
I LAiRA_ Ji tIIIIIII
J 124 crewmanI transfer to [l_ ELECTI_,ICALi pilot's elect. UMBILICALi umbilical FAILED
Comm. with MSFN ----e-all right YES
LM CREWMAN CON.CARRIER FAILED
IJ EVA reconnectto original
PLS8, swapRCU withother crewman
Comm. restoredYES_"
Does EVA hear ----l-sldetone YES
May 1969
NO
JEVA RCU "A"VOLUME CIr-CUIT FAILED
EVA "A" RCVR. RFSECTION ORR/T RELAYK-I FAILED
Did LM receive _S EVA "A" RCVR.voice from EVA OR R/T RELAYK-I FAILED
L NO
CHANGE DATE JUNE1971 PAGE 5-36 _.
! I!
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SYMPTOMEMUO
I/4, loses voicefram EVA (see"Additionalconditions"below) .
Additionalconditions:
!. Single EVA
Possible causes:
a. i_. failed
b. EVA RCU PTTswitchturned OFF
c. EVA VOX cir-cuit failed
d. EVA "A" modefailed
e. EVA co_.carrierfailed
f. EVA RCU vexcircuitfailed
!Continued onnext page)
I
t-IIIIIIIIIIIIIIILIIIIIIIIIII
CSD-A-789-(2) TFTAPOLLO OPERATIONS HANDBOOK-EMU
Does LM receivevoice frc_ MSFN
YESI!iI
_LM FAILED
1 EVA set
RCU to PTT
Colmm. restored
I NO
EVA setmode sel,SW. to "B"l_ode
YES
Co_. restored _YESl
NO
EVA cheekeo_mm, usingother PLSS/OPS
Comm. with LM !
NO
PROCEDURE REMARKSEVAPROCEDURE
JDoes MSFNhave voicefrom EVA
YES
1i
_@EVA ensureRCU PTTswitch inMAIN posi-tion
Comm. restoredYES
i rTo step IInext page
i EVA "A" MODE@- FAILED OR LM
FAILED
CONFIGURE LMFOR "B" MODE
POS_EVAPROCEDURE
YES
LM FAILED
EVA RCU t'_SWITCH AC-CIDENTALLY
: SET TO OFF
L
To step 16 To step 15next page next page
BASIC DATE May 1969 CHANGE DATE JUNE1971 PAGE 5-37
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CSD-A-789-(2)]3.APOLLOOPERATIONSANDBOOK-EMU
SYMPTOMJI
Possible causes:continued)
g. EVA RCU modeselect "A"wafer failed
h. EVA antennafailed
i. EVA trlplexer lcome,on port Ifailed
J. Sult electri-cal harnessfailed
IIIBASIC DATE
IIco,m. carri er
Comm. restored
PROCEDUREi
NO
.r ,.
J @ LM OR SUITi ELECTRICALHARNESS
J FAILED
iIliJJ I EVA swap backto originalRCU
I,.,J Comm. restored
J NOi
iii iml
EVA RCU "A"WAFER MODESELECTORFAILED
POST-EVAPROCEDUREContinued)
m
I
i YES L
E%'A COMM, !CARRIER iFAILED !
I
J EVATRZFLZXERIFAILED
May 1969
i_!YE3
I
EVA RCU V0XCIRCUITFAILED
EVA swap backto originalOPS
Comm. all rightI
NOi
_F
EVA ANTENNAFAILED
CHANGE DATE
Swap RCU EVA operates in
MAIN
Comm. all rightYES
NO
i|
EVA VOXCIRCUIT
' FAILEDi_ ,,
REMARKS
JUNE1971 PAGE 5-38 -.
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c
CSD-A-789-(2) ]_APOLLO OPERATIONS HANDBOOK-EMU
SYMPTOM II PROCEDUREEMU 21 .
GTa168P/GT8268P PGApressure
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SYMPTOMI
I EMU 22, "JI
2T8168P/GT8268P _Apress. _h.Opsld IIPossible causes:
a. Regulatorfails openor shiftsset point--
b. GTSI68P/GT8268P
High 0 2 flowflag "0" (after5 se_); orGT8182P/GTB282P PLSS02 pressure orPLSS 02 quantityindicator de-creasing rapidly
CSD-A-789-(2) []APOLLO OPERATIONS HANDBOOK-EMU
PROCEDURE REMARKSEMERGENCY PROCEDURE
,jPLSS 02 PRESS.
I REGULATORFAILEDi OPeN ORSHIFTED SETPOINT
?
YES _@ Actuate 0PS
1i!
iI
fails
BASIC DATE
.L=............! ,mm mmmmmlmm|
EVA PROCEDURE'rDoes PGA press. SHIFT IN PLSSgage agree vith _ i 0 2 REGULATEDGTSIgSP/GT8268P YESPGA press, PRESS.
I QIReduced mobility PGA PRESS. GAGE
!or hear relief _ FAILEDvlv relieving YES
QIf
GT8168P/GT8268P_A PR[SS.FAILED
May 1969
P!_S 0 2 pressureregulator regulatesto 4.0 psid maximumto PGA,'PGA pressurerelief valvecracks at5.0 to 5.75 psid.oThe PLSS 02 shutoffvalve should beCLOSED if possible.If additionalmobility isneeded, openpurge valveto reduce FGApressure to>3.h psid.
Upon returningto the LM, steps7 and 8 can heverified by con-necting the bluePLSS gas con-nector to theOPS pressureregulator checkoutstowage plata.
CHANGE DATE JUNE1971 PAGE 5-40 ,
I |r
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SYMPTOMEMU 23GTBI82PIGT8282PPLSS 02pressureabnorz_al(no warningtone )
Fossible causes:
a. GTSI82P/GT8282Pfailed
b. PLSS 0 2pressuresensorfailed
c. _._ leak
d, PLSS 0 2pressureregulatorfailed open
e. High 0 2 usag 4
BASIC DATE
CSD-A-789-(2) mAPOLLO OPERATIONS HANDBOOK-EMU
PROCEDURE
Q_GT8168P/GT8268P
"11" I PGA pressure>5.7 psld
__J .o
GO to step 21next page
=jL_PGA pressuregage >3.7 psia
EVA PROCEDUREQGT8] 68r/GTS268P _ H_ gh 02 f] owI I F'GA pressure I I fl,_ "o"
I I >h'O Psld I l (02- "0")
INO _NOoo[ oog "0" JJ SENSOR FAILED2 - "0" ) I[
SS 02 PRESS-E REGULATOR
L FAILED OPEN
JWARNING TONEFAILED
Actuate OPSClose PLSS02 shutoffvlv t
_ t_ 15
] PGA pressure I " J flag "0"
gh 02 flow _,fJ LEAKl flag "0" (0 2J - "O") andJ low PGA press-I ure flag "O"
ate OPS
ITo step 2_next page
May 1969 CHANGE DATE JUNE 1971
REMARKS
PLSS 02 pressureregulator regulatesthe PGA to3.85 0.15 psldif the flow is0.07 to 0.7 ib/hr.
PAGE 5-41
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CSD-A-789-(2)FFIAPOLLOOPERATIONSHANDBOOK-EMUSYMPTOMJ PROCEDURE REMARKS1
I EVA PROCEDURE(Continued)Iquantity Monitor
I I indicator a4_rees GT8182P/J with GTS182P/ GT8282P
I IGT8282P PLSS PLSS 02
I IU2press" press, ti! i lllll i i in i mini Jill Ilmll i m | n| IPOST-EVA PROCEDUREJ NrRechargePLSS 02GTS182P/
GT8282P PLSS0 2 press, yE_shows recharge
I [0
2I_,-_ PLSS 0 2II QUANT_YII _NDZCAWORlJ FAILED
l Open purgevalve to LOW
High 02 flowflag "0" (0 -"0" ) 2i
lr_5
N .,_.02 ]LOW SENSORFAILED
_at; Go top 5, EMU 2,
e 5-7
3_ PLSS 02II PRESSUREII ;_uc_lJ FAILED
H LEAKI BETWEENI PLSS 02J SHUTOFF VALVEI AND HIGH 02I FLOW SENSOR
PLSS 0 2shutoffvalve - CFF
RechargePLSS 0 2GT8182P/GT8282PPLSS O2press.shows re-charge
GTSI82P/GT8282PpLSS 0 2pressurestable after50 rain
I)__o_
BASIC DATE. May 1969 CHANGE DATE JUNE 1971 PAGE 5-42
I I I
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CSDLA-789-(2)"!7APOLLO OPERATIONS HANDBOOK-EMU
SYMPTOM PROCEDURE REMARKSEMU 24 EVA PROCEDURE
GT811OP/GT8210Pfeedwaterpressure50 F andrisingI
IGT8210P
J FEEDWATERPRESSUREFAILED
Go tosteF 9,_4U 4,page 5-12
YES
JGT815hT/GT8254TLCG H20 tamp>50 F andrising3T8196T/GT8296TLCG H20 AT
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CSD-A-789.(2}UAPOLLOOPERATIONSHANDBOOK-EMUI
SYMPTOM j PROCEDURE REMARKSJ EVA PROCEDUREMU 25 II
GTSIIOP/GT8210Pfeedwater press. J
_0 F andrising
l NO
!JGTglIOP/GT8210PFEEDWATERPRESS.FAILED
GO to step 12,EMUS,page 5-15tOi/bIf additionalcooling isrequired,activate BSLSS
_ YES
AuxiliaryH20 shutoff
i and reliefi valve open
$,,NO ......
AUXILIARYH20 SHUTOFFAND RELIEFVALVE CLOSED
2-_ GTSIShT/CT8254T
LCG 1120 temp _o Fand risingGT8196T/GT8296TLCG H20 AT
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CSD-A:789-(2)1I[APOLLO OPERATIONS HANDBOOK-EMU
SYMPTOM PROCEDURE REMARKSEMU26 EVAPROCEDURE
GT815hT/GT8254TLCG H20temperature>50 F(dlverter valveinMAX: and nowarning tone)
Possible causes :
a. GTSI54T/GT8254T/failed
b. H2D shut-off and re-lief valveclosed
c. Sublimatorbreakthrough
d. H2C separa-tor blocked
e. Depletedfeedwaterreservoir
f. Blockagebetweenfeedwaterbladder andsublimator
v :
JGT8196T/GT8296TLCG H20 AT50 F
_GT815hT/J GT825hTI LCG H20 TEM-
li PERATT FAILED
Go tostep i,_4U5,page 5-14
i
T8210P feed- YESater press.i___22psla
.__0
I I "
WARNING Low feed-TONE water
pressureFAILED flag "A"
---II 1"YES Is _MU oper-ating on LOW FEED-
auxiliary WATER PRESS.feedwater SWITCH FAILED
NO
Go tostep I,D4Uh,page 5-12
CHANGE DATEASIC DATE May 1969 JUNE1971 PAGE 5-45
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SYMPTOM
CSD-A-789-(2)APOLLO OPERATIONS HANDBOOK.EMU
PROCEDURE REMARKSu, ,.
POST-EVA PROCEDURE
@ Replacebattery( from otherPLSS )
GTIhlV/GT82hlVPLSS batteryvoltage >16.0 V dc
. _o_J
GT81hlV/GT82hlVPi_S BATTERYVOLTAGE FAILEDi
DEGRADEDBATTERY
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CSD-A-789-(2) ]]]_APOLLO OPERATIONS HANDBOOK-EMUSYMPTOM II PROCEDURE REMARKSEMU 31 EMERGENCY PROCEDURE
G_817ffr / 3]GT8270T02 tempera- .p. WARNING TONEture
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CSD-A-789-(2) I_APOLLO OPERATIONS HANDBOOK-EMU
ISYMPTOM. jEMU 32': lI
GT827OT'o_.p I!' _5F Vand rising i
(No warning Jtone) i J
IPossible causes: I
a. GT8170T/ JGT8270Tfailed J
b. Subl imat o r Jbreakthrough j
c. H20separator J 4_4Jblocked
d. Depletedfeedwater !ireservoir I
e. Blockage be- Itween feed- Jwater bladderand Jsublimator _
f. H20 shutoffand relief J
valve closed J _II
GT811OP/GT8210Pfeedwaterpressure