HATE PPEE NC. SECE BETN - Hartzell Propellerhartzellprop.com/wp-content/uploads/SB165E-R01-W.pdf · 0 AND 180 DEGREES - LYCOMING ... operational time from the time that a crack becomes

HARTZELL PROPELLER INC.

SERVICE BULLETINTRANSMITTAL SHEET

HC-SB-61-165EPropeller - Hub Inspection

February 3, 2014

This page transmits a revision 1 to Service Bulletin HC-SB-61-165E.

•OriginalIssue,datedJan21/94 •Revision1,datedFeb03/14 PropellerassembliesthathavepreviouslycompliedwiththeterminatingactionspecifiedinapreviousversionofthisServiceBulletinarenotaffected.

PropellerassembliesthathavenotpreviouslycompliedwiththeterminatingactionspecifiedinapreviousversionofthisServiceBulletinareaffected.

Changesareshownbyachangebarintheleftmarginoftherevisedpages.

Revision1isissuedtochangethefollowingintheServiceBulletin:

- AddsanoptionalTerminatingActionforconversionofaffectedhubstoanoil-filledconfigurationinaccordancewithHartzellPropellerInc.ServiceLetter HC-SL-61-273

- Revisesthedocumenttolatestcautionandformatrequirements

ThisServiceBulletinisreissuedinitsentirety.


SERVICE BULLETINTRANSMITTAL SHEET

HC-SB-61-165EPropeller - Hub Inspection

(This page is intentionally blank.)


SERVICE BULLETINHC-SB-61-165E

Propeller - Hub Inspection

Jan21/94 HC-SB-61-165ERevision1,datedFeb03/14 Page1of20

1. PlanningInformation

A. Effectivity

(1) HartzellPropellerInc.threeblade,aluminumhub,"compact"()HC-()3Y()-()series propellers manufacturedbefore1983 withserialnumberslistedin Table 1, ANDinstalledonanyofthefollowingareaffectedbythisServiceBulletin:

(a) Lycoming(L)TIO-540seriesengines

(b) LycomingIO-540seriesengineswithaturbocharger

(c) Agriculturalaircraft(regardlessofenginetype)

(2) Affectedpropeller/applications that have NOTcompliedwiththeterminatingactioninapreviousrevisionofthisServiceBulletinorwiththeterminatingactioninFAAAirworthinessDirective94-17-13AREaffectedbythisServiceBulletin.

(3) Propeller/applicationsthathavecompliedwiththeterminatingactioninapreviousrevisionofthisServiceBulletinorwiththeterminatingactioninFAAAirworthinessDirective94-17-13areNOTaffectedbythisServiceBulletin.

(4) RefertoTable2foraffectedapplications.PropellersmaybeinstalledonbutnotlimitedtotheaircraftlistedinTable2.

(5) During1983,thepropellerhubwasredesignedtorelocatethelubricationfittingholes near the hub parting line.

(a) TheremaybeafewserialnumberslistedinTable1thatweremanufacturedwiththelubricationfittingholelocatedatthehubpartingline.

(b) Anyhubwiththelubricationfittingatthehubpartinglineisnotaffectedbythis Service Bulletin.

(c) AnyhubwiththelubricationfittingholeslocatedontheshoulderofthehubmustcomplywiththeCompliancerequirementsinthisServiceBulletin.

(6) TheparenthesisshowninthemodeldesignationsthroughoutthisServiceBulletinindicateletter(s)ornumber(s)thatmayormaynotbepresentbecauseofdifferentconfigurationspermittedonthevariousaircraftinstallations.

(a) Definitionofpropellermodeldesignationsandfurtherdetailsofletter(s)ornumber(s)thatmaybepresentareshowninFigure1.

©1994,2014-HartzellPropellerInc.-Allrightsreserved





CAUTION: DONOTUSEOBSOLETEOROUTDATEDINFORMATION.PERFORMALLINSPECTIONSORWORKINACCORDANCEWITHTHEMOSTRECENTREVISIONOFTHISSERVICEBULLETIN.INFORMATIONCONTAINEDINTHISSERVICEBULLETINMAYBESIGNIFICANTLYCHANGEDFROMEARLIERREVISIONS.FAILURETOCOMPLYWITHTHISSERVICEBULLETINORTHEUSEOFOBSOLETEINFORMATIONMAYCREATEANUNSAFECONDITIONTHATMAYRESULTINDEATH,SERIOUSBODILYINJURY,AND/ORSUBSTANTIALPROPERTYDAMAGE.REFERTOTHESERVICEBULLETININDEXFORTHEMOSTRECENTREVISIONLEVELOFTHISSERVICEBULLETIN.

B. ConcurrentRequirements

(1) Installationofa"B"serialnumbersuffixhubwillrequirespinnerbulkheadmodificationorreplacementinaccordancewiththeRepair/ModificationchapterofHartzellPropellerInc.SpinnerAssemblyMaintenanceManual127 (61-16-27).

(a) Applicationswithnon-HartzellPropellerInc.spinnerassembliesshouldcontacttheapplicableTypeCertificateholderforreworkinstructions.

(2) Additionalservicedocumentsmayapplytothecomponents/propellersaffectedbythisServiceBulletin.CompliancewithadditionalservicedocumentsmaybenecessaryinconjunctionwiththecompletionoftheAccomplishmentInstructionsinthisServiceBulletin.RefertotheHartzellPropellerInc.websiteatwww.hartzellprop.comforacross-referenceofservicedocuments.





Basic Propeller Model Propeller Serial Number RangePHC-C3YF-1R() EE1(E) through EE1461(E)PHC-J3YF-1R() FP1(E) through FP37(E)PHC-L3YF-1R() FD1(E) through FD7(E)HC-C3YF-1R() EC1(E) through EC1020(E)HC-C3YK-1() CT1(E) through CT101(E)HC-C3Y(K,R)-1R() DY1(E) through DY1897(E)HC-C3Y(K,R)-2() CK1(E) through CK3510(E)HC-C3Y(K,R)-4() EL1(E) through EL67(E)HC-E3Y(K,R)-1() FM1(E) through FM487(E)HC-E3Y(K,R)-2() DF1(E) through DF79(E)HC-E3Y(K,R)-2A() DJ1(E) through DJ7787(E)HC-F3Y(K,R)-1() DB1(E) through DB137(E)HC-F3Y(K,R)-2() DA1(E) through DA1586(E)HC-I3Y(K,R)-2() FS1(E) through FS50(E)An"E"suffixlettermayormaynotbeattheendofthehubandpropellerserialnumber.The"E"suffixletterindicatespreviouscompliancewitheddycurrent inspections.

NOTE: During1983,achangewasmadetothedesignofthehubtorelocatethelubricationfittingholesnearthehubpartingline.TheremaybeafewserialnumberslistedinTable1thatweremanufacturedwiththelubricationfittingholelocatedatthehubpartingline.AnyhubwiththelubricationfittingatthehubpartinglineisnotaffectedbythisServiceBulletin.

Affected Serial Number Range for Affected Models Table 1





Model Designations for Aluminum Hub, Reciprocating Engine PropellersFigure 1

FLANGE DISTANCE FROM HUB DESIGNATION PARTING LINE TO FLANGE FACEC - STANDARDHUB D,F 3.250IN(82.55MM) K,R,L 4.187IN(106.34MM) N 3.375IN(85.72MM)E - EXTENDEDHUB F 7.250IN(184.15MM) K,R,L 9.187IN(233.34MM) N 8.375IN(212.73MM)F - EXTENDEDHUB R,L 7.187IN(182.55MM)I- EXTENDEDHUB R 6.187IN(157.15MM) F 5.250IN(133.35MM)J - EXTENDEDHUB F 6.500IN(165.10MM)L- EXTENDEDHUB F 3.750IN(95.25MM)

BASIC DESIGN CHARACTERISTIC

DOWEL LOCATION

withrespectto#1blade,viewedclockwisefacingpropellerflange:BLANK -90AND270DEGREES-CONTINENTAL, 0AND180DEGREES-LYCOMING P-0AND180DEGREESANDPROPELLERLABELALIGNEDWITHENGINETC MARKS-CONTINENTAL

B HC - C 3 Y F - 1 BF

NO. OF BLADES

HUB MOUNTINGFLANGE

BLADE SHANK TYPE(ALUMINUM BLADES)

"Y"SHANKRETENTIONSYSTEM,ALUMINUMBLADE,INTEGRALPITCHCHANGEARM

BOLT DOWELS NO. OF BOLTS TYPICAL ENGINE CIRCLE - inch NO. DIAMETER OR STUDS F 4.00 2 1/2 6(1/2inch) CONTINENTALK 4.75 2 3/4 6(1/2inch) LYCOMING360/540R 4.75 2 3/4 6(1/2inch) LYCOMING

HC HARTZELLCONTROLLABLE





Hub IdentificationFigure 2

Location of lubrication fittings after 1983

Location of lubrication fittings before 1983

A12345A12345

A12345A12345

Compliance NotRequired-the lubrication holeslocatedat hub parting line

ComplianceRequired- the lubrication holes locatedontheshoulder





C. Reason

WARNING: UNUSUALORABNORMALGREASELEAKAGEORVIBRATION,WHERETHECONDITIONINITIATEDSUDDENLY,CANBEANINDICATIONOFAFAILINGPROPELLERBLADEORBLADERETENTIONCOMPONENT.ANINFLIGHTBLADESEPARATIONMAYRESULTINDEATH,SERIOUSBODILYINJURY,AND/ORSUBSTANTIALPROPERTYDAMAGE.UNUSUALORABNORMALGREASELEAKAGEORVIBRATIONDEMANDSIMMEDIATEINSPECTIONFORPOSSIBLECRACKEDHUB(FORFURTHERINFORMATIONONTHISSUBJECTSEEHARTZELLPROPELLERINC.SERVICELETTERHC-SL-61-165).

(1) Metallurgical information increasedtheconcernthattheremaybelittleoperationaltimefromthetimethatacrackbecomesdetectable(atthehubexteriorsurface)untilsubsequentcrackgrowthresultsinbladeseparation.

(2) HartzellPropellerInc.recognizesthatsuchdemandinginspectionrequirementswillcauseaddeddifficultyinmeetingaircraftoperationalcommitments;however,HartzellPropellerInc.believesthatsuchrequirementsarenecessaryinordertomaintainflightsafety.

(3) InHartzellPropellerInc.threeblade“compact”aluminumhubpropellerswiththelubricationfittingholelocatedonthehubshoulder,crackstypicallyoriginateinthethreadsofalubricationfittingholeontheinsideofthehub.Asthecrackspropagatearoundthebladesocket of the hub, thecrack progression acceleratesandresultsinfailureofonehubhalf.Severalincidentshaveresultedinbladeseparation.

(4) This ServiceBulletinimposessevererepetitiveinspectionrequirements.Themorerestrictiverequirementsareplacedonaircraftmodelsthathaveahistoryofcrackedorfailedhubs.Othermodels,suchasthePA-31(310hp),havehadnofailuresbutareaddressedinthisService Bulletin because of their similarity to applications that have hadfailures.Thesemodelshaveamoreliberalinspectionrequirement.

(5) FAAAirworthinessDirective94-17-13wasissuedtoaddressthisissue.





D. Description

(1) ThisServiceBulletinprovidesInstructionsforContinuedAirworthiness(ICA).

(2) Previous revisions to this Service Bulletin,imposeda stringent compliance requirementforcertainaircraftmodelstorequirerepetitiveeddycurrentinspections at 10 hour intervals.

(3) Revision"E"ofthisServiceBulletinprovidedan alternate means of compliance,whichincreasedtherepetitiveinternalinspectiontoaone time 400 hours inspectionwith100hourintervalsthereafter;however,italsorequireddisassemblyandreworkofthepropeller.

(4) Thisrevisionintroducesanadditionaloptionalterminatingactionfortheaffectedpropellermodelstopermitmodificationtoanoil-filledconfigurationandremovestheon-wingdyepenetrantinspection.

Propellers may be installed on but not limited to the following aircraftAgricultural Aircraft Installations

FletcherFU24-950CessnaA188AgwagonmodifiedbySTCSA895SOPiperPA-36-300PawneePiperPA-36PawneemodifiedbySTCSA3952WETransaviaAirtruk

Aircraft Installations with (L)TIO-540 Series Engines*

Cessna310and320modifiedbyRileySTCSA2082WEGulfstream700(formerlyRockwell700,FujiFA-300-12)HelioH700PiperPA-23-250andPA-E23-250(withTIO-540only)PiperPA-31Navajo(withTIO-540only)PiperPA-31-325NavajoC/RPiperPA-31-350Navajo"Chieftain"PiperPA-31P-350MohavePiper T-1020 (same as PA-31-350)PiperPA-32(R)-301TTurboSaratogaPiperPA-60-600,PA-60-601,andPA-60-602Aerostar'smodifiedbyMachenSTC(turbocharged)PiperPA-60-700PAerostar700P*Someaircraftapplicationshave"IO-540"seriesengineswithaturbochargeraddedbytheairframemanufacturerorSTCholderorotherFAAapproveddata.TheintentoftheServiceBulletinisthatallaircraftwithturbocharged540seriesenginesareaffectedeveniftheenginedataplatesays"IO".

Affected Applications Table 2





E. Compliance

CAUTION: APROPELLERHUBFROMANAIRCRAFTTHATISAFFECTEDBYTHISSERVICEBULLETINMUSTNOTBEREUSEDONANOTHERAIRCRAFTAPPLICATIONTHATDOESNOTHAVETHESAMEINSPECTIONREQUIREMENTS.SUCHHUBINTERCHANGEABILITYISNOLONGERAUTHORIZEDFORTHEAPPLICATIONSLISTEDINEFFECTIVITYPARAGRAPH1.A.(1).IFPROPELLERSERVICEHISTORYOROTHERRECORDSINDICATETHATSUCHAREPLACEMENTWASMADEINTHEPAST,THENTHE10HOURREPETITIVEINSPECTIONSHOULDBECONTINUED,REGARDLESSOFAIRCRAFTMODELINSTALLED.

(1) HC-E3YR-2A(L)(T)(F)installedonPiperAircraftPA-31-325orPA-31-350NavajoC/R,NavajoChieftian(T-1020); HC-C3YR-2(L)UFinstalledonAerostarAircraftCorporationPA-60-700P; andallAgriculturalaircraft:

(a) Option1

1 Withinthenext10flighthours from the last inspectioninaccordancewiththisServiceBulletin,orwithin10flighthoursfrom the effective dateoftheoriginalissueofthisServiceBulletin,January21,1994,whicheveroccursfirst:

a PerformtheHubVisualInspectionandHubEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsin this Service Bulletin.

b Atintervalsnottoexceed10hoursofoperation,repeattheHubVisualInspectionandHubEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

(b) Option2

1 Withinthenext10flighthours from the last inspectioninaccordancewiththisServiceBulletinorwithin10flighthoursfrom the effective dateof the original issue of this Service Bulletin,January21,1994,whicheveroccursfirst,performtheModificationoftheLubricationFittingHolesinaccordancewiththeAccomplishmentInstructionsinthis Service Bulletin.





2 Aftertheinitialinspectionandmodificationofthelubricationfittingholes,disassemblethepropellerandperformboththeDyePenetrantInspectionandEddyCurrentInspectionsinaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

a At400flighthoursaftermodificationofthelubricationfittingholes,performaonetimedisassembly,DyePenetrantInspection,andEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

b Atintervalsof100flighthoursafterthe400flighthoursinspection,disassemblethepropellerandperformtheDyePenetrantInspectionandEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

(c) HubReplacement-TerminatingAction

1 At400hoursTISornolaterthanSeptember15,1997,whicheveroccursfirst,replacethepropellerhubwithahubthathasthelubricationfittingholeatthehubpartinglineasterminatingactionforthis Service Bulletin.





(2) Allotheraffectedpropellermodels:

(a) Option1

1 Withinthenext50flighthoursfromthelastinspectioninaccordancewiththisServiceBulletinorwithin50flighthoursfrom the effective dateof the original issue of this Service Bulletin,January21,1994,whicheveroccursfirst:

a PerformtheHubVisualInspectionandEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsinthisService Bulletin.

b Atintervalsnottoexceed50hoursofoperation,performtheHubVisualInspectionandEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsofthisServiceBulletin.

(b) Option2

1 At400hoursTISornext50flighthours from the last inspection in accordancewiththisServiceBulletinorwithin50flighthours from the effectivedateofthe original issue of this Service Bulletin, January21,1994,whicheveroccursfirst,performtheModificationoftheLubricationFittingHolesinaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

2 Aftertheinitialmodificationofthelubricationfittingholes,disassemblethepropellerandperformboththeDyePenetrantInspectionandEddyCurrentInspectiondescribedinaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

a At400hoursTISor36calendarmonths,whicheveroccursfirst,afterthemodificationofthelubricationfittingholes,disassemblethepropellerandperformtheDyePenetrantInspectionandEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.

b Atintervalsof400flighthours,disassemblethepropellerandperformtheDyePenetrantInspectionandEddyCurrentInspectioninaccordancewiththeAccomplishmentInstructionsin this Service Bulletin.





(c) OptionalTerminatingActionforallAffectedPropellerModels

1 ReplacementofthepropellerhubwithahubthathasthelubricationfittingholeatthehubpartingisaterminatingactionfortheinspectionrequirementsspecifiedinthisServiceBulletin.

2 Modificationoftheaffectedpropellertotheoil-filledconfiguration,inaccordancewithHartzellPropellerInc.ServiceLetterHC-SL-61-273,isanoptionalterminatingactionfortheinspectionrequirementsspecifiedinthisService Bulletin.

a Apropellerthathasbeenmodifiedtotheoil-filledconfigurationinaccordancewiththisServiceBulletinandHartzellPropellerInc.ServiceLetterHC-SL-61-273,mustnotbeinstalledonanyotherapplication,includingexperimental.

F. Approval

(1) ThisServiceBulletinisapprovedbytheManager,FAA,ChicagoAircraftCertificationOffice,ACE115C,byapprovaldocumentdatedJanuary29,2014asanalternatemethodofcompliancewithAirworthinessDirective94-17-13.





G. Manpower

(1) Eddycurrentinspectionon-wing

EddyCurrentInspection 0.5Man-hoursSpinnerDomeRemovalAndInstallation 0.5 man-hoursTotalMan-Hours 1.0man-hours

(2) PropellerHubReplacement:

PropellerRemoval/Installation 2.0man-hours PropellerHubReplacement 6.0 man-hours TotalMan-Hours 8.0man-hours

NOTE: Hubreplacement,whenaccomplishedinconjunctionwithpropelleroverhaul,requiresnoadditionallabor.

(3) SpinnerBulkheadModification 3.0man-hours (ifrequiredbecauseofhubreplacement)

(4) PropellerHubModification: PropellerRemoval/Installation 2.0man-hours PropellerDisassembly/Assembly 4.0man-hours PropellerHubModification 2.0 man-hours TotalMan-Hours 8.0man-hours Ifrequired,TeflonRemoval/Installation 1.0man-hoursperblade

NOTE: Hubdisassembly/assemblyandTeflon®removal/installationdonotrequireadditionallaborwhenaccomplishedinconjunctionwithpropeller overhaul.

H. WeightandBalance

(1) Thereisa0.50lb.(0.23kg)increaseinweightwithinstallationofahubwithsuffixletter"B"intheserialnumber.

(2) Thereisa1.0lb.(0.45kg)increaseinweightwithhubmodificationtothe oil-filledconfiguration.

I. ElectricalLoadData

(1) NotChanged





Lubrication Fitting Hole Inspection Figure 3

PerformtheHubVisualInspectionoftheareaaroundthelubricationfittingholeonbothhalvesof the hub.

NOTE: Somepropellersmayhavebladecounterweights(shown)ordifferentlengthhubextensionfromtheengineflange.





CAUTION: DONOTUSEOBSOLETEOROUTDATEDINFORMATION.PERFORMALLINSPECTIONSORWORKINACCORDANCEWITHTHEMOSTRECENTREVISIONOFADOCUMENT.

J. References

(1) HartzellPropellerInc.StandardPracticesManual202A(61-01-02)

(2) HartzellPropellerInc.PropellerOwner'sManual115(61-00-15)

(3) HartzellPropellerInc.PropellerOwner'sManual145(61-00-45)

(4) HartzellPropellerInc.CompactandLightweightCompactNon-Feathering(-1)andAerobatic(-4)PropellerOverhaulandMaintenanceManual113B (61-10-13)

(5) HartzellPropellerInc.CompactConstantSpeedandFeatheringPropellerOverhaulManual117D(61-10-17)

(6) HartzellPropellerInc.MetalSpinnerMaintenanceManual127(61-16-27)

(7) HartzellPropellerInc.ServiceLetterHC-SL-61-273

(8) FAAAirworthinessDirective94-17-13

K. OtherPublicationsAffected

None

2. MaterialInformation

WARNING: ADHESIVESANDSOLVENTSAREFLAMMABLEANDTOXICTOTHESKIN,EYES,ANDRESPIRATORYTRACT.SKINANDEYEPROTECTIONAREREQUIRED.AVOIDPROLONGEDCONTACTANDBREATHINGOFVAPORS.USESOLVENTRESISTANTGLOVESTOMINIMIZESKINCONTACTANDWEARSAFETYGLASSESFOREYEPROTECTION.USEINAWELLVENTILATEDAREAAWAYFROMSPARKSANDFLAME.READANDOBSERVEALLWARNINGLABELS.

A. Consumables

CMNo. Name Description Qty

CM173 Acetone Solvent A/R CM106 MEK Solvent A/R CM219 MPK Solvent A/R

NOTE: AllCMnumbersormaterialsinthisServiceBulletinrefertotheConsumableMaterialschapterofHartzellPropellerInc.StandardPracticesManual202A(61-01-02).





B. PartsRequired

(1) Ifthehubisreplaced,refertotheapplicablepropelleroverhaulmanual.

(2) RefertoHartzellPropellerInc.MetalSpinnerMaintenanceManual127 (61-16-27)forspinnerbulkheadreplacementpartnumbersand/ormodificationinformation.

C. Special Tooling

(1) A10Xmagnifyingglass

(2) Appropriate light source

(3) AnEddyCurrentInstrumentisrequired.RefertoHartzellPropellerInc.StandardPracticesManual202A(61-01-02)fordetails.

D. MaterialNecessaryforPropellerModificationtotheoil-filledconfiguration:

(1) RefertoHartzellPropellerInc.ServiceLetterHC-SL-61-273foracompletelistofrequirements.

3. AccomplishmentInstructions

A. HubVisualInspection

(1) Visualinspectionofthelubricationfittingholeonthepropellerhubmaybeperformedon-wingwithoutremovingthepropellerfromtheengine.

(2) Thevisualinspectionmaybeaccomplishedbyeitheracertifiedaircraftmechanicoracertifiedpropellerrepairstation.

(3) Removethespinnerdomeinaccordancewiththeapplicablepropellerowner'smanual.

(4) Removethecapsfromthelubricationfittings.Do not remove the lubrication fittings.

(5) Visuallyexaminethe hub surface for traces of grease before cleaning.





WARNING: ADHESIVESANDSOLVENTSAREFLAMMABLEANDTOXICTOTHESKIN,EYES,ANDRESPIRATORYTRACT.SKINANDEYEPROTECTIONAREREQUIRED.AVOIDPROLONGEDCONTACTANDBREATHINGOFVAPORS.USESOLVENTRESISTANTGLOVESTOMINIMIZESKINCONTACTANDWEARSAFETYGLASSESFOREYEPROTECTION.USEINAWELLVENTILATEDAREAAWAYFROMSPARKSANDFLAME.READANDOBSERVEALLWARNINGLABELS.

(6) UsingsolventacetoneCM173,MEKCM106,orMPKCM219andanabrasivepadCM47orequivalent,removeanygreaseorothermatterthatmayinterferewiththevisualinspection.

(7) Usinga10Xmagnifyingglassandanappropriatelightsource,performavisualinspectionoftheareaaroundthelubricationfittingholeandthegeneralarea of thebladeretentionbearings.RefertoFigure3.

NOTE: TheAeroshell#6greaseusedinthepropellersismildlyfluorescent.Althoughnotarequirement,inspectionusingaBlacklight(asisusedwithdyepenetrantinspection)wasfoundtobeausefulaidinperforming the visual inspection.

(a) Acrackusuallyinitiatesatthelubricationfittingholeandpropagatesperpendiculartothebladearoundthebladesocket.

(b) Acrackmayinitiateoneitherhubhalffromanyofthesixlubricationfittingsholes.

(8) Ifpaintwasremovedduringthecleaningprocess,applychemicalconversioncoatinginaccordancetoHartzellPropellerInc.StandardPracticesManual202A (61-01-02) to the inspection area before returning the propeller to service. Donotpainttheareaifpaintwasremoved.

(9) MakealogbookentrytoindicatecompliancewiththeVisualInspectionrequirementsinthisServiceBulletin.





CAUTION: AVISUALINSPECTIONISNOTCONSIDEREDANADEQUATEFORMOFINSPECTION.ANEDDYCURRENTINSPECTIONMUSTALSOBEPERFORMED.

B. EddyCurrentInspection

CAUTION: DISASSEMBLYANDASSEMBLYTHEPROPELLERMUSTBEPERFORMEDBYACERTIFIEDPROPELLERREPAIRSTATIONWITHTHEAPPROPRIATERATING.

(1) DisassemblethepropellerinaccordancewiththeapplicableHartzellPropellerInc.propelleroverhaulmanual.

(2) ThisEddyCurrentinspectionmaybeaccomplishedbyeitheracertifiedaircraftmechanicorpersonnelfromacertifiedpropellerrepairstationthatmeetthepersonnelrequirementsspecifiedintheEddyCurrentInspectionchapteroftheHartzellPropellerInc.StandardPracticesManual202A(61-00-02).

(3) Performaneddycurrentinspectionofthehubinaccordancewiththe"AluminumHubLubricationFittingHoleInspectioninEddyCurrentInspection"intheEddyCurrentInspectionchapteroftheHartzellPropellerInc.StandardPracticesManual202A(61-00-02).

(4) Ifnotpresent,usingametalimpressionstamp,stamptheletter"E"asasuffixletter to the propeller serial number on each half of the propeller hub.

(5) Makealogbookentrytoindicatecompliancewiththe"EddyCurrentInspection"in this Service Bulletin.

C. DyePenetrantInspection

(1) PerformadyepenetrantinspectioninaccordancewiththePenetrantInspectionchapteroftheHartzellPropellerInc.StandardPracticesManual202A (61-00-02).

(2) Makealogbookentrytoindicatecompliancewiththe"DyePenetrantInspection"inthisServiceBulletin.

D. ModificationoftheLubricationFittingHoles

(1) Disassemblethepropellerinaccordancewiththeapplicablepropelleroverhaulmanual.

(2) PerformanEddyCurrentinspectionofthehubinaccordancewiththe"AluminumHubLubricationFittingHoleInspection"inEddyCurrentInspectionchapteroftheHartzellPropellerInc.StandardPracticesManual202A (61-00-02).





(3) Modifythelubricationfittingholesinaccordancewiththesection"ChamferingofLubricationFittingHolesinCertain"Y"ShankHubs"intheAluminumHubOverhaulchapterofHartzellPropellerInc.StandardPracticesManual202A(61-00-02).

(4) PerformadyepenetrantinspectioninaccordancewiththePenetrantInspectionchapteroftheHartzellPropellerInc.StandardPracticesManual202A (61-00-02).Ifperformedbeforepropelleroverhaul,localizedetchingandpenetrantinspectionintheareaofthelubricationfittingholesispermitted.

(5) Applyachemicalconversioncoatingtothereworkedarea.RefertotheChromicAcidAnodizingchapterofHartzellPropellerInc.StandardPracticesManual202A(61-01-02).

(6) Assemblethepropellerinaccordancewiththeapplicablepropelleroverhaulmanual.

(7) Makealogbookentrytoindicatecompliancewiththe"ModificationoftheLubricationFittingHoles"inthisServiceBulletin.

E. Terminating Actions

(1) HubReplacementInstructions

(a) Hubreplacementmustbeperformedbyqualifiedpersonnelatacertifiedpropellerrepairstationwiththeappropriaterating.Replacementoftheexistinghubwithahubthathasthelubricationfittingholeslocatedatthehub parting line is terminating action for this Service Bulletin.

(b) AhubremovedfromanaircraftapplicationorengineaffectedbythisServiceBulletin,asdefinedinEffectivity,section1.A.(1),mustnotbereusedonanotheraircraftapplicationthatdoesnothavesuchinspectionrequirements.Ahubremovedfromanaffectedaircraftorenginemusteitherbeinstalledonanotheraffectedapplicationorengine,orberetiredfromserviceinaccordancewithHartzellPropellerInc.StandardPracticesManual202A(61-01-02).

(c) Forspinnerbulkheadmodificationorreplacementpartnumbers,refertotheRepairandModificationchapterofHartzellPropellerInc.MetalSpinnerMaintenanceManual127(61-16-27).

(d) MakeanentryinthepropellerlogbookindicatingcompliancewiththeHubReplacementInstructionsasterminatingactionforthisServiceBulletin.





(2) Oil-fillModificationInstructions

(a) Modifythepropellertotheoil-filledconfigurationinaccordancewithHartzellPropellerInc.ServiceLetterHC-SL-61-273.

(b) Modificationofthepropellerhubtotheoil-filledconfigurationmustbeperformedbyqualifiedpersonnelatacertifiedpropellerrepairstationwiththeappropriate rating.

(c) Apropellermodifiedtotheoil-filledconfiguration,mustnotberestoredtothegreaselubricatedconfiguration.

(d) MakeanentryinthepropellerlogbookindicatingcompliancewiththeOil-filledModificationInstructionsasterminatingactionforthisServiceBulletin.

F. RecommendedServiceFacilities

(1) HartzellPropellerInc.hasaworldwidenetworkofRecommendedServiceFacilitiesthatarerecommendedbyHartzellPropellerInc.foroverhaulandrepairofourproducts.

(2) EachservicefacilitymustmeetstandardFAArequirementsandadditionalHartzellPropellerInc.requirementsbeforebeingrecommendedbyHartzellPropellerInc.EachservicefacilityisauditedbyHartzellPropellerInc.toverifythecontinuationofthestandards.

(3) HartzellPropellerInc.recommendsthatyouuseoneoftheseservicefacilitieswhenhavingyourpropelleroverhauledorrepaired.

(4) ForacurrentlistofHartzellPropellerRecommendedServiceFacilities,contactHartzellPropellerInc.ProductSupportorrefertotheHartzellPropellerInc.websiteatwww.hartzellprop.com.

G. ContactInformation

HartzellPropellerInc.Attn.:HartzellProductSupportOnePropellerPlacePiqua,Ohio45356-2634USAPhone:(001)937.778.4379Fax:(001)937.778.4391E-mail:[email protected]





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HATE PPEE NC. SECE BETN - Hartzell Propellerhartzellprop.com/wp-content/uploads/SB165E-R01-W.pdf · 0 AND 180 DEGREES - LYCOMING ... operational time from the time that a crack becomes