hartzell propeller inc. service bulletin€¦ · service bulletin indicate letter(s) or number(s)...
TRANSCRIPT
HARTZELL PROPELLER INC.
SERVICE BULLETINTRANSMITTAL SHEET
HC-SB-61-227Propeller - Hub Inspection
August 27, 2012
This page transmits a revision to Service Bulletin HC-SB-61-227.
•OriginalIssue,datedJan16/98 •Revision1,datedMay18/99 •Revision2,datedMay8/00 •Revision3,datedApr18/05 •Revision4,datedOct04/05 •Revision5,datedSep28/06 •Revision6,datedAug27/12
PropellerassembliesthathavepreviouslycompliedwiththeterminatingactionspecifiedinapreviousversionofthisServiceBulletinarenotaffected.
PropellerassembliesthathavenotpreviouslycompliedwiththeterminatingactionspecifiedinapreviousversionofthisServiceBulletinareaffected.
FAAapprovalhasbeenobtainedontechnicaldatainthispublicationthataffectstypedesign.
Changesareshownbyachangebarintheleftmarginoftherevisedpages.
ThisrevisionisissuedtochangethefollowingintheServiceBulletin:
- AddsanoptionalTerminatingActionforconversionofhubswithoutan"A"or"B"serialnumbersuffixtoanoil-filledconfiguration
- Revisesthedocumenttolatestcautionandformatrequirements
ThisServiceBulletinisreissuedinitsentirety.
HARTZELL PROPELLER INC.
SERVICE BULLETINTRANSMITTAL SHEET
HC-SB-61-227Propeller - Hub Inspection
(Thispageisintentionallyblank.)
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page1of20
1. PlanningInformation
A. Effectivity
CAUTION: DONOTUSEOBSOLETEOROUTDATEDINFORMATION.PERFORMALLINSPECTIONSORWORKINACCORDANCEWITHTHEMOSTRECENTREVISIONOFTHISSERVICEBULLETIN.INFORMATIONCONTAINEDINTHISSERVICEBULLETINMAYBESIGNIFICANTLYCHANGEDFROMEARLIERREVISIONS.FAILURETOCOMPLYWITHTHISSERVICEBULLETINORTHEUSEOFOBSOLETEINFORMATIONMAYCREATEANUNSAFECONDITIONTHATMAYRESULTINDEATH,SERIOUSBODILYINJURY,AND/ORSUBSTANTIALPROPERTYDAMAGE.REFERTOTHESERVICEBULLETININDEXFORTHEMOSTRECENTREVISIONLEVELOFTHISSERVICEBULLETIN.
(1) Hartzelltwoblade,aluminumhub,"compact"()HC-()2Y()-()seriespropellersmanufacturedbeforeApril1997andhavenosuffixletter,orhavean"A"or"E"suffixletterattheendofthehubandpropellerserialnumberandinstalledonthefollowingapplicationsareaffectedbythisServiceBulletin.
(a) Aerobaticaircraft(includingcertificatedaerobaticaircraft,militarytrainers,oranyaircraftroutinelyexposedtoaerobaticusage)
(b) Agriculturalaircraft
(c) PiperPA-32()seriesaircraftwithLycoming540seriesenginesratedat300HPorhigher
(d) BrittenNormanBN-2()seriesaircraftwithLycoming540seriesengines
NOTE1: Thesepropellersareinstalledon,butnotlimitedto,theaircraftapplicationslistedinTable2.
NOTE2: TheparenthesisshowninthemodeldesignationsthroughoutthisServiceBulletinindicateletter(s)ornumber(s)thatmayormaynotbepresentbecauseofdifferentconfigurationspermittedonthevariousaircraftinstallations.Definitionofpropellermodeldesignationsandfurtherdetailsofletter(s)ornumber(s)thatmaybepresentareshowninFigure1.
©1998,1999,2000,2005,2006,2012-HartzellPropellerInc.-Allrightsreserved
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page2of20
NOTE3: PropellersmanufacturedafterApril1997haveasuffixletter"B"attheendofthehubandpropellerserialnumbers.Hubserialnumberswithoutsuffixletter"A"or"B"weremanufacturedbefore1991andcanbeidentifiedbytwodifferentstylesofthefilletradiusasshowninFigure2."A"suffixserialnumberhubscanbeidentifiedbythefilletradiusshowninFigure2.ThesehubshavebeenproducedfromDecember1991throughApril1997.Additional"A"suffixhubserialnumbersareshowninTable1.ThesehubshavebeenmodifiedanddifferslightlyinappearancefromthoseshowninFigure2."B"suffixserialnumberhubsareidentifiedbythelackofafilletradiusatthebladesocketshowninFigure2.ThesehubsarecurrentproductionmadesinceApril1997.The"E"suffixletterisaddedtothehubserialnumbertoindicatethattheinitialeddycurrentinspectionhasbeenperformedandarepetitiveeddycurrentinspectionisrequired.
(2) Propellerswithasuffixletter"B"attheendofthehubandpropellerserialnumberarenotaffectedbythisServiceBulletin.
(3) ApplicationsthathaveNOTpreviouslycompliedwiththeterminatingactioninapreviousrevisionofthisServiceBulletinorwiththeterminatingactioninFAAAirworthinessDirective2001-23-08AREaffectedbythisServiceBulletin.
(4) ApplicationsthathavepreviouslycompliedwiththeterminatingactioninapreviousrevisionofthisServiceBulletinorwiththeterminatingactioninFAAAirworthinessDirective2001-23-08areNOTaffectedbythisServiceBulletin.
B. ConcurrentRequirements
(1) Installationofa"B"serialnumbersuffixhubwillrequirespinnerbulkheadmodificationorreplacementinaccordancewiththeRepair/ModificationchapterofHartzellSpinnerAssemblyMaintenanceManual127(61-16-27).
(a) Applicationswithnon-HartzellspinnerassembliesshouldcontacttheapplicableTypeCertificateholderforreworkinstructions.
(2) Additionalservicedocumentsmayapplytothecomponents/propellersaffectedbythisServiceBulletin.CompliancewithadditionalservicedocumentsmaybenecessaryinconjunctionwiththecompletionoftheAccomplishmentInstructionsinthisServiceBulletin.RefertotheHartzellPropellerwebsiteatwww.hartzellprop.comforacross-referenceofservicedocuments.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page3of20
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)G - EXTENDEDHUB F 4.250IN(107.95MM)H- EXTENDEDHUB F,N 7.500IN(190.50MM)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)M- EXTENDEDHUB R,L 6.750IN(171.45MM)
BASIC DESIGN CHARACTERISTIC
DOWEL LOCATION
withrespectto#1blade,viewedclockwisefacingpropellerflange:BLANK -90AND270DEGREES-CONTINENTAL, 0AND180DEGREES-LYCOMING B- 30AND210DEGREES-CONTINENTAL,FRANKLINANDPORSCHE C- 150AND330DEGREES-CONTINENTALANDLYCOMING D- 60AND240DEGREES-CONTINENTAL E- 0AND180DEGREESANDPROPELLERLABELALIGNEDWITHENGINETCMARKS- CONTINENTAL P- 0AND180DEGREESANDPROPELLERLABELALIGNEDWITHENGINETCMARKS- CONTINENTAL
B HC - C 2 Y F - 1 BF
NO. OF BLADES
HUB MOUNTINGFLANGE
BLADE SHANK TYPE(ALUMINUM BLADES) ORBLADE RETENTION SYSTEM(COMPOSITE BLADES)
"Y"SHANKRETENTIONSYSTEM,ALUMINUMBLADE,INTEGRALPITCHCHANGEARM
"Y"SHANKRETENTIONSYSTEM,COMPOSITEBLADE,INTEGRALORBOLTONPITCHCHANGEARM
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) LYCOMING360/540L 4.75 2 5/8 6(7/16inch) LYCOMING290/320N 4.25 2 1/2 8(9/16inch) GTSI0520 R 4.75 2 3/4 6(1/2inch) LYCOMINGD 4.00 0 1/2 8(1/2inch) CONTINENTALGTSIO-520
HC HARTZELLCONTROLLABLE
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page4of20
"Filletradius"onhubsmadebetween1983and1991.Serialnumberhasnosuffixletter.
Hub IdentificationFigure 2
LeftsideofhubfromNo.1bladePropeller serial number
RightsideofhubfromNo.1bladeHub serial number
HubsmadeDecember1991thruApril1997,havethesuffix"A"intheserialnumber(Seeadditional"A"suffixhubsinTable1)
Currenthubdesign,hasthesuffix"B"intheserialnumberandisnotaffectedbythisServiceBulletin,"filletradius"notpresenton"B"serialnumbersuffixhubs
SerNo.CH12345A
SerNo.CH12345A
A12345AA12345A
"Filletradius"onhubsmadebefore1983.Serialnumberhasnosuffixletter.
A12345AA12345A
Locationoflubricationfittingsafter1983
Locationoflubricationfittingsbefore1983
A12345AA12345A
BladeNumber1
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page5of20
C. Reason
WARNING: UNUSUALORABNORMALGREASELEAKAGEORVIBRATION,WHERETHECONDITIONINITIATEDSUDDENLY,CANBEANINDICATIONOFAFAILINGPROPELLERBLADEORBLADERETENTIONCOMPONENT.ANINFLIGHTBLADESEPARATIONMAYRESULTINDEATH,SERIOUSBODILYINJURY,AND/ORSUBSTANTIALPROPERTYDAMAGE.UNUSUALORABNORMALGREASELEAKAGEORVIBRATIONDEMANDSIMMEDIATEINSPECTIONFORPOSSIBLECRACKEDHUB(FORFURTHERINFORMATIONONTHISSUBJECTSEEHARTZELLSERVICELETTERHC-SL-61-165).
(1) Therehavebeennumerousoccurrencesofhubfilletradiuscracks,includingincidentsofin-flightbladeseparationinHartzelltwoblade"compact"seriesaluminumhubpropellers.Cracksweretypicallydiscoveredduringaninspectionfollowingreportsofabnormalvibrationorgreaseleakage.Crackstypicallyinitiateinthesameregionofthehubintheareaadjacenttothebladecalledthe"filletradius".Asthecrackspropagatetowardthecenterofthehub,theirprogressionacceleratesandmayresultinthefailureofonehubhalfthatcanprogresstobladeseparation.
(2) SeveraloftheseeventshaveoccurredaftertheissuanceofHartzellServiceBulletin164,FAAAirworthinessDirective90-02-23,bothofwhichrequireda50hourrepetitivevisualinspectionofthehub.Becausethesecrackshaveprovendifficulttodetectvisually,thisServiceBulletinwasissuedtoreplaceServiceBulletin164andrequiresarepetitiveeddycurrentinspection.FAAenforcedRevision2ofthisServiceBulletinthroughtheirissuanceofAirworthinessDirective2001-23-08.
(3) Becauseofcontinuingevents,Revision3tothisServiceBulletinwasreleasedtorequireareductionintherepetitiveinspectionintervalandtoexpandtheinspectionregionfromwhatwasrequiredinAD2001-23-08.
(4) Threeoftherecentcrackedhubsoccurredonhubswithan"A"serialnumbersuffix.Allthreeofthesehubscrackedintherearhubhalf,whereasthefailuresseenintheearlierdesignhub(withoutaserialnumbersuffix)occurredonthefronthubhalf.Thedesignchangesindicatedbythe"A"suffixareconsideredanimprovementovertheoriginal,earlierdesign,butthisevidencesuggeststhatinstallationof"A"suffixhubsmaynotbeasolutiontothecrackingproblem.Toalleviateconcernsoverthe"A"hubdesign,andbecausetherearofthehubisnoteasilyinspected,thereisarequirementtoreplaceall"A"suffixhubswiththecurrentdesign"B"suffixhub.
(5) Updatedregulatoryactionisnotexpected.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page6of20
D. Description
(1) ThisdocumentprovidesInstructionsforContinuedAirworthiness(ICA).
(2) Theinspectionareahasbeenexpandedtoincludethesurfacesurroundingthebalanceweightattachmenthole,theunchamferedareasurroundingthehubclampingbolthole,andhubfilletradius.Thebalanceweightattachmentholeandhubclampingboltholedonotrequireeddycurrentinspection.
(3) ThisServiceBulletinprovidesrequirementsfor:
(a) Aninitialandrecurringeddycurrentinspectionofthepropellerhubfilletradiusofhubsthatdonothavean"A"or"B"serialnumbersuffix.
(b) Aninitialandrecurringeddycurrentinspectionofthepropellerhubfilletradiusof"A"suffixhubslistedinTable1ofthisServiceBulletin.
(c) Optionalreplacementofthehubasaterminatingactionforhubsthat donothavean"A"or"B"serialnumbersuffix.
(d) Mandatoryreplacementof"A"suffixhubs,includingthosehubslistedinTable 1 of this Service Bulletin.
(4) Revision4reducedtherepetitiveintervalfortheeddycurrentinspection.
(5) Revision6introducestheoptionalterminatingactionofconvertingtotheoil-filledconfigurationforhubswithoutan"A"or"B"suffixserialnumber.
E. Compliance
(1) Hubswithout"A"or"B"serialnumbersuffix(HubsmadebeforeDecember1991-seeFigure2)
(a) Performtheexpandededdycurrentinspectiondescribedinthisrevisionwithinthenext50hoursofoperationsincethelastinspectionperformedinaccordancewithHartzellServiceBulletins164()orHC-SB-61-227orAirworthinessDirectives90-02-23or2001-23-08orwithin50hoursfromtheeffectivedateofthisServiceBulletin,whicheveroccursfirst.
(b) Aftertheinitialinspectionperformtheeddycurrentinspectiondescribedinthisrevisionatintervalsnottoexceed100hoursofoperation.
NOTE: ApropellerhubfromanaircraftthatisaffectedbythisServiceBulletinisnottoberemovedandreusedonanotheraircraftapplicationthatdoesnothavesuchinspectionrequirements.SuchhubinterchangeabilityisnolongerauthorizedfortheapplicationslistedinEffectivityparagraph1.A.(1).Ifpropellerservicehistoryorotherrecordsindicatethatsuchareplacementwasmadeinthepast,thenthe100hourrepetitiveinspectionshouldbecontinuedregardlessofaircraftmodelinstalled.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page7of20
(c) OptionalTerminatingAction-Replacementofthepropellerhubwitha"B"suffixserialnumberhubisaterminatingactionforthisServiceBulletin.Thesehubshaveadifferentpartnumberandareidentifiedbysuffixletter"B"attheendofthepropellerserialnumber.Refertosection2.MaterialInformation,forpartnumberinformation.
(d) OptionalTerminatingAction-Modificationofthepropellerhubtotheoil-filledconfigurationinaccordancewithHartzellServiceLetterHC-SL-61-273.
1 Modificationoftheaffectedpropellertotheoil-filledconfiguration,inaccordancewithHartzellServiceLetterHC-SL-61-273,isanoptionalterminatingactionfortheinspectionrequirementsspecifiedinthisServiceBulletin.
2 Apropellerthathasbeenmodifiedtotheoil-filledconfiguration,inaccordancewiththisServiceBulletinandHartzellServiceLetterHC-SL-61-273,mustnotbeinstalledonanyotherapplication,includingexperimental.
(2) "A"suffixhubslistedinTable1.
(a) Performtheeddycurrentinspectiondescribedinthisdocumentwithinthenext50hoursofoperationsincethelastinspectionperformedinaccordancewithHartzellServiceBulletins164()orHC-SB-61-227orAirworthinessDirectives90-02-03or2001-23-08orwithin50hoursfromthedateofthisServiceBulletin,whicheveroccursfirst.
(b) Aftertheinitialinspection,performtheeddycurrentinspectiondescribedinthisrevisionatintervalsnottoexceed100hoursofoperation.
(c) Replacethehubwitha"B"suffixhubatthenextoverhaul,nottoexceed1000hoursor72monthsfromDecember24,2001,theeffectivedateofAirworthinessDirective2001-23-08.
NOTE: ApropellerhubfromanaircraftthatisaffectedbythisServiceBulletinisnottoberemovedandreusedonanotheraircraftapplicationthatdoesnothavesuchinspectionrequirements.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page8of20
(3) "A"suffixhubsnotlistedinTable1(HubsmadebetweenDecember1991andApril1997-seeFigure2)
(a) Non-agricultural,Non-aerobaticapplications:Replacethehubatthenextoverhaul,nottoexceed2000hoursor72monthsfromDecember24,2001,theeffectivedateofAirworthinessDirective2001-23-08.
(b) Agricultural applications:Replacethehubatnextoverhaul,nottoexceed2000hoursor36monthsfromDecember24,2001,theeffectivedateofAirworthinessDirective2001-23-08.
(c) Aerobatic applications:Replacethehubatnextoverhaul,nottoexceed1000hoursor72monthsfromDecember24,2001,theeffectivedateofAirworthinessDirective2001-23-08.
NOTE: ApropellerhubfromanaircraftthatisaffectedbythisServiceBulletinisnottoberemovedandreusedonanotheraircraftapplicationthatdoesnothavesuchinspectionrequirements.
F. Approval
(1) ThisServiceBulletinisapprovedbytheManager,FAA,ChicagoAircraftCertificationOffice,ACE115C,byapprovaldocumentdatedAugust27,2012asanalternatemethodofcompliancewithAirworthinessDirective2001-23-08asfollows:
(a) ThisServiceBulletinisanalternatemethodofcomplianceforAD2001-23-08paragraphs(a)through(e).
(b) ThisrevisiontotheServiceBulletinincludesanadditionalalternatemethodofcomplianceforAD2001-23-08paragraph(e),TerminatingAction.
G. Manpower
(1) Eddycurrentinspectionon-wing
EddyCurrentInspection 0.5Man-hoursSpinnerdomeremovalandinstallation 0.5man-hoursTotal man-hours 1.0 man-hours
(2) Propellerhubreplacement:
PropellerRemoval/Installation 2.0man-hours PropellerHubReplacement 6.0 man-hoursTotalman-hours 8.0man-hours
NOTE: Hubreplacement,whenaccomplishedinconjunctionwithpropelleroverhaul,requiresnoadditionallabor.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page9of20
(3) Spinnerbulkheadmodification 3.0man-hours (ifrequiredbecauseofhubreplacement)
(4) Propellerhubmodification: PropellerRemoval/Installation 2.0man-hours PropellerDisassembly/Assembly 4.0man-hours PropellerHubModification 2.0 man-hoursTotalman-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) Thereisa0.50lb.(0.23kg)increaseinweightwithhubmodificationtotheoil-filledconfiguration.
I. ElectricalLoadData
(1) NotChanged
J. References
(1) HartzellStandardPracticesManual202A(61-01-02)
(2) HartzellPropellerOwner'sManual115(61-00-15)
(3) HartzellPropellerOwner'sManual145(61-00-45)
(4) HartzellCompactandLightweightCompactNon-Feathering(-1)andAerobatic(-4)PropellerOverhaulandMaintenanceManual113B(61-10-13)
(5) HartzellCompactConstantSpeedandFeatheringPropellerOverhaulManual117D(61-10-17)
(6) HartzellMetalSpinnerMaintenanceManual127(61-16-27)(7) HartzellServiceLetterHC-SL-61-273
(8) AirworthinessDirective90-02-23
(9) AirworthinessDirective2001-23-08
K. OtherPublicationsAffected
None
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page10of20
Socket Fillet Radius Inspection Figure 3
Circledareasencompassthe"filletradius",mustbeinspected.
Hubswithno"A"or"B"serialnumbersuffix,andhubslistedinTable1:Inspecthighlightedareaoneachbladesocket(forwardhubhalf)duringon-winginspection,andfourpoints(bothhubhalves)duringoverhaulinspection.
Inspecttheshadedarea
Balanceweighthole
Hub clamping bolt hole
Inspecttheshadedarea
Typicalcrack NOTE: Thehubclampingboltholesandthebalanceweightholesarenotincludedintheareastobeinspected.
W10571D.epscir.eps
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page11of20
2. MaterialInformation
A. PartsRequired
(1) Ifthehubisreplaced,seethehubreplacementinformationbelow.
Previous Hub PartNumber Description
ReplacementHubPartNumber
D-2201-1 Hub Unit D-6531-41D-2201-2 Hub Unit D-6522-21D-2201-2R Hub Unit D-6522-21RD-2201-3 Hub Unit D-6529-41D-2201-5 Hub Unit D-6531-42D-2201-6 Hub Unit D-6522-22D-2201-7 Hub Unit D-6529-42D-2201-16 Hub Unit D-6522-21D-2201-16R Hub Unit D-6522-21RD-2201-17 Hub Unit D-6529-41D-2201-24 Hub Unit D-6530-30D-2477-3 Hub Unit D-6564-21D-4214 Hub Unit D-6557-42
(2) RefertoHartzellMetalSpinnerMaintenanceManual127(61-16-27)forspinnerbulkheadreplacementpartnumbersand/ormodificationinformation.
B. Special Tooling
(1) AnEddyCurrentInstrumentisrequired.RefertoHartzellStandardPracticesManual202A(61-01-02)fordetails.
C. MaterialNecessaryforPropellerModificationtotheoil-filledconfiguration:
(1) RefertoHartzellServiceLetterHC-SL-61-273foracompletelistofrequirements.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page12of20
3. AccomplishmentInstructions
A. HubInspection-Hubswithoutan"A"or"B"serialnumbersuffix
(1) Inspectionofthefilletradiiofthe(front)cylinderhalfofthepropellerhubmaybeperformed"on-wing"withoutremovingthepropellerfromtheengine.
(2) ThisinspectionmustbeperformedbyqualifiedpersonnelatanappropriatelylicensedpropellerservicefacilityoracertificatedaircraftmechanicwithaneddycurrentqualificationinaccordancewiththeEddyCurrentInspectionchapterofHartzellStandardPracticesManual202A.
(3) Ifinspectionisperformedduringpropelleroverhaulorifthepropellerhasbeenremovedfromtheaircraftanddisassembled,bothhalvesofthehubaretobeinspected.
(4) On-Winginspectionprocedure-Hubswithout"A"or"B"serialnumbersuffix:
(a) Removethespinnerdomeinaccordancewiththeapplicableowner'smanual.
(b) Ifthepropellerhasbladecounterweights,positionthebladestoprovidemaximumexposureoftheforwardhubhalffilletradiusarea.
NOTE: Ifthepropellerdoesnothavebladecounterweights,specialpositioningofbladesisnotrequired.
1 Forpropellersmodels()HC-()2Y()-2()withcounterweightedpropellerblades,performenginerunandshutdownwithpropellerbladesinthefeatheredposition.Thiswillpositionthebladecounterweightstoprovidemaximumexposureoftheforwardhubhalffilletradiusarea.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page13of20
WARNING1: DONOTUSEBLADEPADDLESTOFEATHER THE PROPELLER.ITISPOSSIBLEFOREXCESSIVELOADSTOBEAPPLIEDWITHBLADEPADDLESANDRESULTINHIDDENDAMAGETOTHEPITCHCHANGEMECHANISM.
WARNING2: CAREMUSTBETAKENTOUNFEATHERTHEPROPELLERINACCORDANCEWITHSECTION3.(A)(7).
2 Forpropellersmodels()HC-()2Y()-4()withcounterweightedpropellerblades(usedonacrobaticaircraft),manuallyturnbladesfromhightolowpitchtomovethecounterweightawayfromtheinspection area (there is no pitch return spring in these propeller modelsandthebladescanbeturnedmanuallywithouttheuseofbladepaddles).Thiswillpositionthebladecounterweightstoprovidemaximumexposureoftheforwardhubhalffilletradiusarea.
CAUTION: BALANCEWEIGHTSMUSTBERETURNEDTOTHESAMELOCATIONONTHEHUBFROMWHICHTHEYWEREREMOVED.
(c) Removebalanceweightsandmakenoteoflocationasnecessary.
NOTE: ()HC-()2Y()-(2,4)()propellerswithbalanceweightsinstalledmayrequireremovalfromtheaircraftfordisassemblytopermitremovalofthebalanceweightsbehindcounterweights.
(d) Beforeanycleaning,visuallyinspectforacrackedhubintheareaofthehubfilletradii(acrackedhubcanhavetracesofgreasecomingfromthecrackmakingthecrackmorevisible).
(e) Cleanthesurfaceofthehubtoremoveoil,grease,orothercontaminantsthatmayinterferewiththeefficiencyoftheeddycurrentinspection.
NOTE: Paintremovalisnotrequiredforeddycurrentinspection.
(f) PerformeddycurrentinspectioninaccordancewithproceduresinHartzellStandardPracticesManual202A.SeeFigure3.
NOTE: Theinspectionareahasbeenexpandedtoincludethesurfacesurroundingthebalanceweightattachmenthole,theunchamferedareasurroundingthehubclampingbolthole,andhubfilletradius.Thebalanceweightattachmentholeandhubclampingboltholedonotrequireeddycurrentinspection.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page14of20
DN3607ADN3609ADN3613ADN3615ADN3628ADN3630A
DN3641ADN3940ADN3944ADN3949ADN3962A
Thefollowinghubs,partnumberD-2201-16,wereshippedtoBritishAerospaceforintendeduseonBAE125Bulldogaircraft.Thesehubswerereworkedtohavethepost-1991style"filletradius".
BAE 125 BulldogTable 1
(5) Ifacrackindicationisfound,hubreplacementisrequiredbeforefurtherflight.ReportanyfindingsofacrackedhubtotheHartzellPropellerProductSupportDepartment.
(6) Ifnocrackindicationsarefound,
(a) Afterthefirstinspectiononly,permanentlyidentifythehubtoindicatecompliancewiththisServiceBulletin.Useametalimpressionstamp(0.125inch[3.175mm]),roundbottomcharacters)tostamptheletterEattheendofthepropellerserialnumber.Forexample,propellerserialnumberDN1234wouldbechangedtoDN1234E.ThischangeistobenotedinthepropellerlogbooksothatitprovidesfurtherindicationthatthisService Bulletin is applicable.
CAUTION: BALANCEWEIGHTSMUSTBERETURNEDTOTHESAMELOCATIONONTHEHUBFROMWHICHTHEYWEREREMOVED.
(b) Reinstallbalanceweightsandfastenersfromthelocationtheywereremoved.RefertotheStaticandDynamicBalancechapterofHartzellStandardPracticesManual202A(61-01-02).
(7) Ifthebladeswererequiredtobeplacedinfeatherpositiontoperformthisinspection,thebladesmaybeunfeatheredusingtheprocedurebelow:
(a) Removethevalvecap.
(b) Usingasuitabledevice,depressthevalvestemtorelievetheairchargefromthecylinder.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page15of20
CAUTION1: REPOSITIONBLADESWITHCARE.DONOTUSEASINGLEBLADEPADDLETOREPOSITIONBLADES.ITISPOSSIBLEFOREXCESSIVELOADSTOBEAPPLIEDWITHBLADEPADDLESANDRESULTINHIDDENDAMAGETOTHEPITCHCHANGEMECHANISM.
CAUTION2: DONOTPUTBLADEPADDLESONDEICEBOOTS,ASBOOTSMAYBEDAMAGED.
(c) Usingabladepaddleoneachblade,simultaneouslymovebothbladesfromthefeatherpositiontothelowpitchposition.
(d) Removethebladepaddles.
(e) Forpropellersthatuseanaircharge,rechargethecylinderinaccordancewiththeapplicableowner'smanual.
1 Reinstalltheairvalvecovercapandspinnerdomeinaccordancewiththeapplicableowner'smanual.
(g) Proceedtosection3.A.(9).
(8) Ifthebladeswerenotrequiredtobefeatheredtoperformthisinspection,reinstallthespinnerdomeinaccordancewiththeapplicableowner'smanual.
(9) MakeanentryinthepropellerlogbookindicatingcompliancewiththehubinspectionrequirementofthisServiceBulletinnotingthetimeforthenextinspection.
B. HubInspection-"A"SuffixHubsListedinTable1.
(1) HubslistedinTable1ofthisbulletinaretobeinitiallyandrepetitivelyinspected,untilaterminatingactionisaccomplished,usingtheproceduredetailedinsection3.A.ofthisServiceBulletin.
(2) HubslistedinTable1ofthisbulletinmustbereplacedinaccordancewithsection1.E.(2)ofthisServiceBulletin.
C. HubInspection-"A"SuffixHubsNotListedinTable1.
(1) Nohubinspectionisrequiredfor"A"suffixhubs.
(2) "A"suffixhubsmustbereplacedinaccordancewithsection1.D.(3)ofthisService Bulletin.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page16of20
D. HubReplacement
(1) Hubreplacementmustbeperformedbyqualifiedpersonnelatanappropriatelylicensedpropellerservicefacility.Replacementoftheexistinghubwithahubidentifiedbya"B"suffixletterinthepropellerserialnumberisterminatingactionfor this Service Bulletin.
(2) Hubswithouta"B"suffixintheserialnumberthatareremovedfromaircraftapplicationsaffectedbythisServiceBulletin[asdefinedinEffectivity,section1.A.(1)]mustnotbereusedonanotheraircraftapplicationthatdoesnothavesuchinspectionrequirements.Ahubremovedfromanaffectedaircraftmusteitherbeinstalledonanotheraffectedapplication,orberetiredinaccordancewithHartzellStandardPracticesManual202A(61-01-02).
(3) Forspinnerbulkheadmodificationorreplacementpartnumbers,refertotheRepairandModificationchapterofHartzellMetalSpinnerMaintenance Manual127(61-16-27).
(4) Makeanentryinthepropellerlogbookindicatingcompliancewiththehubreplacement instructions as terminating action for this Service Bulletin.
E. OptionalPropellerModificationtotheOil-filledConfiguration
WARNING: MODIFICATIONTOTHEOIL-FILLEDCONFIGURATIONISONLYAPPROVEDFORPROPELLERSAFFECTEDBYTHISSERVICEBULLETIN.
(1) Affectedpropellermodelswithoutan"A"or"B"suffixserialnumbermaybemodifiedtotheoil-filledconfigurationasterminatingactionforthisServiceBulletin.
(a) Modificationofthepropellerhubtotheoil-filledconfigurationmustbeperformedbyqualifiedpersonnelatanappropriatelylicensedpropellerservicefacility.
(b) Modificationofthepropellerhubtotheoil-filledconfigurationmustbeperformedinaccordancewithHartzellServiceLetterHC-SL-61-273.
(c) Apropellermodifiedtotheoil-filledconfiguration,mustnotberestoredtothegreaselubricatedconfiguration.
(2) MakeanentryinthepropellerlogbookindicatingcompliancewiththePropellerModificationtotheOil-filledConfigurationinstructionsasterminatingactionforthis Service Bulletin.
F. RecommendedServiceFacilities
(1) HartzellPropellerhasaworldwidenetworkofRecommendedServiceFacilitiesthatarerecommendedbyHartzellPropellerforoverhaulandrepairofourproducts.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page17of20
(2) EachservicefacilitymustmeetstandardFAArequirementsandadditionalHartzellPropellerrequirementsbeforebeingrecommendedbyHartzellPropeller.EachservicefacilityisauditedbyHartzellPropellertoverifythecontinuationofthestandards.
(3) HartzellPropellerrecommendsthatyouuseoneoftheseservicefacilitieswhenhavingyourpropelleroverhauledorrepaired.
(4) ForacurrentlistofHartzellPropellerRecommendedServiceFacilities,contactHartzellProductSupportorrefertotheHartzellPropellerwebsiteat www.hartzellprop.com.
G. ContactInformation
HartzellPropellerInc.Attn.:HartzellProductSupportOnePropellerPlacePiqua,Ohio45356-2634USAPhone:(001)937.778.4379Fax:(001)937.778.4391E-mail:[email protected]
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page18of20
Aerospatiale (Morane Saulnier)MS893A,E,180GT 7A14 O-360-A1A HC-C2YK-1B 7666A-2Aerospatiale (Socata)TB-30EPSILON Unknown AEIO-540-L1B5D HC-C2YR-4CF FC8475-6AkrotechG-200 Experimental AEIO-360-A1E HC-C2YR-1A 7690CG-200 Experimental AEIO-360-A1E HC-C2YR-1AX2 7690CAmerican Champion (Bellanca)DW-1EAGLE Unknown IO-540-M1B5D HC-C2YR-1BF F8475R8GCBCSCOUT STC-SA530AL O-360-C2A,C1A,C2E,C1E HC-C2YR-1BF F7666A8GCBCSCOUT A21CE O-360-C2A,C2E,C1A,C1E HC-C2YR-1BF 7666A8GCBCTSCOUT STC-SA530AL IO-360-C1A,C2A,C1E,C2E HC-C2YR-1 7666A8KCABDECATHLON A21CE AEIO-320-E1B;IO-320-E1(A,B) HC-C2YL-4F FC7663-48KCABDECATHLON A23CE AEIO-320-E1B;IO-320-E1(A,B) HC-C2YL-4,-4F,-4BF FC7663-48KCABDECATHLON A21CE AEIO-360-H1A HC-C2YR-4BF,-4CF FC7666A-2AviatEAGLE Experimental AEIO-360-A1D HC-C2YR-1A 7690AEAGLE Experimental AEIO-360-A1D HC-C2YK-4CF FC7666A-2,-4QS-1TPITTS A8SO AEIO-360-A1D,-A1E HC-C2YK-4CF FC7666A-2S-1TPITTS Experimental AEIO-360-A1E HC-C2YR-1A 7690CS-1TPITTS Experimental AEIO-360-A1E HC-C2YR-1AX1 7690CS-1TPITTS Experimental AEIO-360Series HC-C2YR-8X1 7690CS-2APITTS A8SO IO-360-A1A,AEIO-360-A1(A,E) HC-C2YK-4CF FC7666A-2S-2APITTS A8SO IO-360-A1A,AEIO-360-A1(A,E) HC-C2YK-4AF FC7666A-2S-2S,S-2BPITTS A8SO AEIO-540-D4A5 HC-C2YR-4CF FC8477A-4S-2APITTS Experimental IO-360-A1A HC-C2YK-4CF FC7666A-2Q,-4QS-2PITTS Unknown IO-360-A1A HC-C2YK-4 C7666AS-2SPITTS Experimental AEIO-540-D4(A,B,C)5 HC-C2YR-4CF FC8477-6QS-2SPITTS Experimental AEIO-540-D4A5 HC-C2YR-4CF FC8477BeechA45(T-34A),B-45 5A3 IO-470N BHC-L2YF-4F FC8468ARA45(T-34A),B-45 STC-SA876CE IO-470N BHC-L2YF-4BF FC8468ARBritten NormanBN-2;BN-2A-6,8,9; A17EU O-540-E4C5 HC-C2YK-2BF,-2CUF (F)C8477(A)(B)-4,-6BN-2(A,B)-26,27BN-2A-2,3,20,21;BN-2B-20,21 A17EU IO-540-K1B5 HC-C2YK-2(B,C)(U)(F) (F)C8477(A)(B)-4BN-2AMKIII,MKIII-2,-3 A29EU O-540-E4C5 HC-C2YK-2CUF FC8477A(B)-4CessnaA188A,A188B, STC-SA8343SW IO-540-K1(A,B,G)5,-S1A5 HC-C2YR-1BF F8475RT188CAGWAGONDeHavillandCHIPMUNK Unknown IO-540-C4B5 HC-C2YK-4CF FC8477-4REmbraerEMB-200A Unknown O-540-H1B5D HC-C2YK-1BF F8477-4EMB-201A,-202 Unknown IO-540-K1F5D,-K1J5D HC-C2YR-1BF F8475RFlug & FahrzeugwerkeAS202/18ABRAVO A34EU AEIO-360-B1F HC-C2YK-1BF F7666A-2AS202/26A Experimental IO-540-D4B5 HC-C2YK-1BF F8477Great Lakes2T-1A-1,2T-1A-2 A18EA IO-360-B1F6,AEIO-360-B1G6 HC-C2YK-4F FC7666A-22T-1A-2 A18EA IO-360-B1F6,AEIO-360-B1G6 HC-C2YK-4F FC7666A-2
AIRCRAFT MODEL FAA TC/STC NO. ENGINE PROPELLER BLADE
Aircraft and Propeller ApplicationsTable 2, page 1 of 3
NOTE: Affectedpropellersareinstalledon,butnotlimitedto,theaircraftapplicationslistedinTable2.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page19of20
GrobG115D Experimental AEIO-360-B1F HC-M2YR-1BF 7690E-2G115T AEIO-540-D4A5 HC-C2YR-4CF FC8477A-4HindustanHPT32TRAINER Unknown AEIO-540-D4B5 HC-C2YR-4CF FC8477-4RMorovanZ-42 Unknown AIO-320-B1B HC-C2YL-4F FC7663A-4Z-42 Unknown AIO-320 HC-C2YL-1B 7663A-4526L A30EU AIO-360-B1B HC-C2YK-4 C7666A-2MudryCAP20 Unknown AIO-360-B1A HC-C2YK-4F FC7666APacific AerospaceCT4A,CT4B Unknown IO-360-D,-H,-HB BHC-C2YF-1BF F7663PiperPA-25-260PAWNEE 2A8,2A10 O-540-G1A5 HC-C2YK-1()F F8477PA-32-300,PA-32S-300 A3SO IO-540-K1A5,-K1G5 HC-C2YK-1()F F8475RPA-32-300,PA-32S-300 A3SO IO-540-K1A5,-K1G5 HC-C2YK-1()F F8475(D)-4PA-32-300,PA-32S-300 A3SO IO-540-K1A5,-K1G5 HC-C2YK-1BF F8475RPA-32R-300,PA-32RT-300 A3SO IO-540-K1A5D,-K1G5D HC-C2YK-1()F F8475D-4PA-32RT-300TLANCE A3SO TIO-540-S1AD HC-E2YR-1()F F8477-4PA-32S-300CHEROKEESIX STC-SA932EA IO-540-K1A5 HC-C2YR-1BF F8475+2PA-32-301SARATOGA A3SO IO-540-K1G5 HC-C2YR-1()F F8475D-4PA-32-301TTURBOSARATOGAA3SO TIO-540-S1AD HC-E2YR-1()F F8477-4PA-32R-301SARATOGASP A3SO IO-540-K1G5D HC-C2YR-1() F8475D-4PA-32R-301TT-SARATOGASP A3SO TIO-540-S1AD HC-E2YR-1()F F8477-4PA-36-285BRAVE A9SO,A10SO 6-285-B,C,BA,CA HC-C2YF-1BF F9587APA-36-300BRAVE A9SO,A10SO IO-540-K1G5 HC-C2YK-1()F F8475RSaab-Scania ABMFI-15SAFARI/SUPPORTER Unknown IO-360-A1B6 HC-C2YK-4BF FC7666A-2MFI-17MUSHAK Unknown TSIO-360-LB HC-C2YF-1BF F8459-9RScottish Aviation (BAE)B.125BULLDOG Unknown IO-360-A1B6 HC-C2YR-4BF FC7666A-2Siai Marchetti (Augusta)S.205-18F,18R A9EU O-360-A1A HC-C2YK-1B 7666A-2S.205-20F,20R A9EU IO-360-A1A HC-C2YK-1B 7666A-2S.208,A A9EU IO-540-E4A5 HC-C2YK-1BF F8477-8RS.208,A A9EU IO-540-E4A5 HC-C2YK-1B 8467-8RS.208 Unknown O-540-E4A5 HC-C2YK-4FSF.260,SF.260B A10EU O-540-E4A5 HC-C2YK-1B 8467-8RSF.260,B,C,D A10EU O-540-E4A5,AEIO-540-D4A5 HC-C2YK-1BF F8477-8RSF.260,B,C,D A10EU O-540-E4A5,AEIO-540-D4A5 HC-C2YK-4F FC8477-8RF.260,F.260B A10EU O-540-E4A5 HC-C2YK-1B 8467-8RF.260C,D,E Unknown O-540-E4A5,(AE)IO-540-D4A5 HC-C2YK-1BF F8477-8RF.260C,D,E,F A10EU O-540-E4A5,(AE)IO-540-D4A5 HC-C2YK-1BF F8477-8RF.260C,D,E STC-SA302GL O-540-E4A5,(AE)IO-540-D4A5 HC-C2YK-4()F FC8477-8RSkydancer AviationSD-260 Experimental IO-540-C4B5 HC-C2YR-4CF FC8477A-4SorrellSNS-7 Experimental IO-360-B1E HC-C2YK-4CF FC7666A-2,-4QStaudacher AircraftSTAUDACHER300 Experimental IO-540-K HC-C2YR-4CF FC8477A-4STAUDACHERS-1000 Experimental IO-540-D4A5 HC-C2YK-1BF F8477
AIRCRAFT MODEL FAA TC/STC NO. ENGINE PROPELLER BLADE
Aircraft and Propeller Applications (continued)Table 2, page 2 of 3
NOTE: Affectedpropellersareinstalledon,butnotlimitedto,theaircraftapplicationslistedinTable2.
HARTZELL PROPELLER INC.
SERVICE BULLETINHC-SB-61-227
Propeller - Hub Inspection
Jan16/98 HC-SB-61-227Revision6,datedAug27/12 Page20of20
SteenSKYBOLT Experimental IO-360-A1A HC-C2YR-4BF,-4CF FC7666A-2SKYBOLT Unknown IO-540-C4B5 HC-C2YK-1BF F8477-4SKYBOLT Unknown IO-360-A1B HC-C2YR-4BF,-4CF FC7666A-2SKYBOLT Unknown IO-540-C4B5 HC-C2YK-4F FC8477-7Stoddard Hamilton2SRG Experimental IO-360 HC-C2YR-4CF FC7666A-4SUPER2SRG Experimental IO-360 HC-C2YR-1BF F7068-2StolpSTARDUSTER Unknown O-360-A1F6 HC-C2YK-4AF FC7666A-4STARDUSTER Unknown O-540-() HC-C2YR-4CF FC8477A-8RSTARDUSTER Unknown IO-540-D4A5 HC-C2YK-4AF FC8467-7RSTARDUSTER Unknown IO-540-D4A5 HC-C2YK-1BF F8467-8TransaviaAIRTRUK Unknown IO-540-K1A5 HC-C2YR-1BF F8475+2AIRTRUK Unknown 6-320 HC-C2YR-1F F9587AUniversalT-25MILITARYTRAINER Unknown IO-540-K1A5 HC-C2YK-4BF FC8475A-2UTVA75AG Unknown AEIO-540-L1B5D HC-C2YR-1BF F8475D-475 Unknown IO-360-B1F HC-C2YK-1BF F7666-2LASTA Unknown AEIO-540-L1A5D HC-C2YR-4CF FC8475-6ValmetL-70VINKA Unknown IO-360-A1B6;AEIO-360-A1B6 HC-C2YR-4F FC7666A-2VansRV-6 Experimental IO-360Series HC-C2YK-4CF FC7666A-2,-4
AIRCRAFT MODEL FAA TC/STC NO. ENGINE PROPELLER BLADE
Aircraft and Propeller Applications (continued)Table 2, page 3 of 3
NOTE: Affectedpropellersareinstalledon,butnotlimitedto,theaircraftapplicationslistedinTable2.