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Manual No. 115N61-00-15Revision 25February 2022Propeller Owner's Manualand Logbook“Compact” Models with Aluminum BladesConstant Speed, Non-Counterweighted( )HC-( )( )Y( )-1( )Constant Speed, Counterweighted( )HC-( )( )Y( )-4( )Constant Speed and Feathering( )HC-( )( )Y( )-2( )Constant Speed and Feathering, Turbine( )HC-( )( )Y( )-5( )Hartzell Propeller Inc.One Propeller PlacePiqua, OH 45356-2634 U.S.A.Ph: 937-778-4200 (Hartzell Propeller Inc.)Ph: 937-778-4379 (Product Support)Product Support Fax: 937-778-4215
Propeller Owner's Manual115N 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2009, 2012, 2013, 2014, 2015, 2016,2018, 2020, 2022 - Hartzell Propeller Inc. - All rights reservedCOVER61-00-15Inside CoverRev. 25 Feb/22
Propeller Owner's Manual115NAs a fellow pilot, I urge you to read this Manual thoroughly. Itcontains a wealth of information about your new propeller.The propeller is among the most reliable components of yourairplane. It is also among the most critical to flight safety. It thereforedeserves the care and maintenance called for in this Manual. Pleasegive it your attention, especially the section dealing with Inspectionsand Checks.Thank you for choosing a Hartzell propeller. Properly maintained itwill give you many years of reliable service.Jim BrownChairman, Hartzell Propeller Inc.MESSAGE61-00-15Page 1Rev. 24 Dec/20
Propeller Owner's Manual115NWARNING(Rev. 2)People who fly should recognize that various types ofrisks are involved; and they should take all precautions tominimize them, since they cannot be eliminated entirely.The propeller is a vital component of the aircraft. Amechanical failure of the propeller could cause a forcedlanding or create vibrations sufficiently severe to damagethe aircraft, possibly causing it to become uncontrollable.Propellers are subject to constant vibration stresses fromthe engine and airstream, which are added to high bendingand centrifugal stresses.Before a propeller is certified as being safe to operateon an airplane, an adequate margin of safety must bedemonstrated. Even though every precaution is taken in thedesign and manufacture of a propeller, history has revealedrare instances of failures, particularly of the fatigue type.It is essential that the propeller is properly maintainedaccording to the recommended service procedures anda close watch is exercised to detect impending problemsbefore they become serious. Any grease or oil leakage,loss of air pressure, unusual vibration, or unusual operationshould be investigated and repaired, as it could be awarning that something serious is wrong.MESSAGE61-00-15Page 2Rev. 24 Dec/20
Propeller Owner's Manual115NFor operators of uncertified or experimental aircraftan even greater level of vigilance is required in themaintenance and inspection of the propeller. Experimentalinstallations often use propeller-engine combinations thathave not been tested and approved. In these cases, thestress on the propeller and, therefore, its safety margin isunknown. Failure could be as severe as loss of propelleror propeller blades and cause loss of propeller controland/or loss of aircraft control.Hartzell Propeller Inc. follows FAA regulations for propellercertification on certificated aircraft. Experimental aircraftmay operate with unapproved engines or propellers orengine modifications to increase horsepower, such asunapproved crankshaft damper configurations or highcompression pistons. These issues affect the vibrationoutput of the engine and the stress levels on the propeller.Significant propeller life reduction and failure are realpossibilities.Frequent inspections are strongly recommended ifoperating with a non-certificated installation; however,these inspections may not guarantee propeller reliability,as a failing device may be hidden from the view of theinspector. Propeller overhaul is strongly recommended toaccomplish periodic internal inspection.Inspect the propeller/blades in accordance with theapplicable operation/maintenance documents.MESSAGE61-00-15Page 3Rev. 24 Dec/20
Propeller Owner's Manual115N(This page is intentionally blank.)MESSAGE61-00-15Page 4Rev. 24 Dec/20
Propeller Owner's Manual115NREVISION 25 HIGHLIGHTSRevision 25, dated February 2022, incorporates the following:Front matter (Cover, Revision Highlights, etc.), has been revised tomatch this revision.Minor language/format changes and renumbering will be markedwith a revision bar but not listed in this section. DESCRIPTION AND OPERATION INSTALLATION AND REMOVAL Revised the section, "Pre-Installation"Revised Figure 3-2, "Torquing Sequence for PropellerMounting Bolts/Nuts"Revised the section, "Propeller Mounting Hardware andTorque Information"INSPECTION AND CHECK Revised the section, "Governors"Revised the section, "Initial Run-Up"Revised the section, "Spinner Damage"Revised the section, "Overspeed/Overtorque"MAINTENANCE PRACTICES Revised the section, " Blade Paint Touch-Up"REVISION HIGHLIGHTS61-00-15Page 1Rev. 25 Feb/22
Propeller Owner's Manual115NREVISION 25 HIGHLIGHTS1. IntroductionA. General(1) This is a list of current revisions that have been issuedagainst this manual. Please compare it to the RECORDOF REVISIONS page to make sure that all revisions havebeen added to the manual.B. Components(1) Revision No. indicates the revisions incorporated in thismanual.(2) Issue Date is the date of the revision.(3) Comments indicates the level of the revision.(a) New Issue is a new manual distribution. The manualis distributed in its entirety. All the page revision datesare the same and no change bars are used.(b) Reissue is a revision to an existing manual thatincludes major content and/or major format changes.The manual is distributed in its entirety. All the pagerevision dates are the same and no change bars areused.(c) Major Revision is a revision to an existing manualthat includes major content or minor contentchanges over a large portion of the manual. Themanual is distributed in its entirety. All the pagerevision dates are the same, but change bars areused to indicate the changes incorporated in thelatest revision of the manual.(d) Minor Revision is a revision to an existing manualthat includes minor content changes to themanual. Only the revised pages of the manual aredistributed. Each page retains the date and thechange bars associated with the last revision to thatpage.REVISION HIGHLIGHTS61-00-15Page 2Rev. 25 Feb/22
Propeller Owner's Manual115NRevision No.Issue DateCommentsRev. 5Rev. 6Rev. 7Rev. 8Rev. 9Rev. 10Rev. 11Rev. 12Rev. 13Rev. 14Rev. 15Rev. 16Rev. 17Rev. 18Rev. 19Rev. 20Rev. 21Rev. 22Rev. 23Rev. 24Rev. r/15Jul/16Feb/18Dec/20Feb/22Major RevisionMinor RevisionMajor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMinor RevisionMajor RevisionMinor RevisionREVISION HIGHLIGHTS61-00-15Page 3Rev. 25 Feb/22
Propeller Owner's Manual115N(Blank Page)REVISION HIGHLIGHTS61-00-15Page 4Rev. 25 Feb/22
Propeller Owner's Manual115NRECORD OF REVISIONSRev. No.Issue DateDate 20Dec/20HPI25Feb/22Feb/22HPIRECORD OF REVISIONSInserted By61-00-15Page 1Rev. 24 Dec/20
Propeller Owner's Manual115NRECORD OF REVISIONSRev. No.Issue DateDate InsertedRECORD OF REVISIONSInserted By61-00-15Page 2Rev. 24 Dec/20
Propeller Owner's Manual115NTRNo.RECORD OF TEMPORARY yRemovedByRECORD OF TEMPORARY REVISIONSPage 161-00-15 Rev. 24 Dec/20
Propeller Owner's Manual115NTRNo.RECORD OF TEMPORARY yRemovedByRECORD OF TEMPORARY REVISIONSPage 261-00-15 Rev. 24 Dec/20
Propeller Owner's Manual115NSERVICE DOCUMENTS LISTCAUTION 1:DO NOT USE OBSOLETE OR OUTDATEDINFORMATION. PERFORM ALL INSPECTIONSOR WORK IN ACCORDANCE WITH THE MOSTRECENT REVISION OF A SERVICE DOCUMENT.INFORMATION CONTAINED IN A SERVICEDOCUMENT MAY BE SIGNIFICANTLY CHANGEDFROM EARLIER REVISIONS. FAILURE TOCOMPLY WITH INFORMATION CONTAINEDIN A SERVICE DOCUMENT OR THE USE OFOBSOLETE INFORMATION MAY CREATE ANUNSAFE CONDITION THAT MAY RESULT INDEATH, SERIOUS BODILY INJURY, AND/ORSUBSTANTIAL PROPERTY DAMAGE.CAUTION 2:THE INFORMATION FOR THE DOCUMENTSLISTED INDICATES THE REVISION LEVEL ANDDATE AT THE TIME THAT THE DOCUMENT WASINITIALLY INCORPORATED INTO THIS MANUAL.INFORMATION CONTAINED IN A SERVICEDOCUMENT MAY BE SIGNIFICANTLY CHANGEDFROM EARLIER REVISIONS. REFER TO THEAPPLICABLE SERVICE DOCUMENT INDEX FORTHE MOST RECENT REVISION LEVEL OF THESERVICE DOCUMENT.Service Document NumberIncorporation Rev/DateService Bulletins:HC-SB-61-286Rev. 11, Dec/04HC-SB-61-244Rev. 17, Jul/12HC-SB-61-267Rev. 21, Mar/15HC-SB-61-325Rev. 17, Jul/12HC-SB-61-353Rev. 21, Mar/15SERVICE DOCUMENTS LIST61-00-15Page 1Rev. 24 Dec/20
Propeller Owner's Manual115NSERVICE DOCUMENTS LISTService Document NumberIncorporation Rev/DateService Letters:HC-SL-61-185, R3Rev. 23, Feb/18HC-SL-61-187, R3Rev. 21, Mar/15HC-SL-61-217Rev. 17, Jul/12HC-SL-61-230Rev. 21, Mar/15HC-SL-61-324Rev. 17, Jul/12HC-SL-61-354Rev. 22, Jul/16HC-SL-61-364Rev. 24, Dec/20SERVICE DOCUMENTS LIST61-00-15Page 2Rev. 24 Dec/20
Propeller Owner's Manual115NAIRWORTHINESS LIMITATIONSThe Airworthiness Limitations section is FAA approved and specifiesmaintenance required under 14 CFR § 43.16 and 91.403 of theFederal Aviation Regulations unless an alternative program hasbeen FAA approved.FAA APPROVEDby: date:Manager, Chicago Aircraft CertificationOffice,ACE-115CFederal Aviation AdministrationRev.No.15Description of RevisionAdds airworthiness limitation information from HartzellOverhaul Manual 113B (61-10-13) and Hartzell OverhaulManual 117D (61-10-17)16Added cylinder life limits for propeller modelHC-C(2,3)YR-4(B,C)F/FC8477-4R and corrected the enginemodel number for Aviatt Pitts S-2S,S-2B19Added blade life limits for propeller modelsHC-(C,F,M)2YR-1BFP/F7499 and HC-C2YR-1BF/F7666A-222Corrected the engine model number for propeller modelHC-(C,F,M)2YR-1BFP/F7499AIRWORTHINESS LIMITATIONS61-00-15Page 1Rev. 24 Dec/20
Propeller Owner's Manual115NAIRWORTHINESS LIMITATIONS1. Replacement Time (Life Limits)A. The FAA establishes specific life limits for certain componentparts, as well as the entire propeller. Such limits requirereplacement of the identified parts after a specified numberof hours of use.B. The following data summarizes all current informationconcerning Hartzell life limited parts as related to propellermodels affected by this manual. These parts are not lifelimited on other installations; however, time accumulatedtoward life limit accrues when first operated on aircraft/engine/propeller combinations listed, and continuesregardless of subsequent installations (which may ormay not be life limited).FAA APPROVEDby: date:Manager, Chicago Aircraft CertificationOffice,ACE-115CFederal Aviation AdministrationAIRWORTHINESS LIMITATIONS61-00-15Page 2Rev. 24 Dec/20
Propeller Owner's Manual115NAIRWORTHINESS LIMITATIONS(1) The following list specifies life limits for blades only.Associated hub parts are not affected. Blade modelsshown are life limited only on the specified applications.Aircraft/Engine/PropellerBlade Life LimitAircraft: Aviat Pitts S-2SEngine: Lycoming AEIO-540-D4A5Propeller: HC-C2YR-4CF/FC8477A-42,000 hoursAircraft: Aviat Pitts S-2BEngine: Lycoming AEIO-540-D4A5Propeller: HC-C2YR-4CF/FC8477A-42,000 hoursAircraft: SOCATA TB-30Engine: Lycoming AEIO-540-L1B5DPropeller: HC-C2YR-4CF/FC8475-64,000 hoursAircraft:Twin Commander AircraftModels 500(B,S,U) as modifiedby Merlyn Products, Inc.Engine: Lycoming Models TIO-540-J2Band -J2BDPropeller: HC-C4YR-2/FC6660(K)10,500 hoursAircraft:10,500 hoursAerostar aircraft Models PA60-601(P), 602Pas modified by MachenEngine: Lycoming (T)IO-540Series ModelsPropeller: HC-C4YR-2(L)/F(J)C6660(B,K)FAA APPROVEDby: date:Manager, Chicago Aircraft CertificationOffice,ACE-115CFederal Aviation AdministrationAIRWORTHINESS LIMITATIONS61-00-15Page 3Rev. 24 Dec/20
Propeller Owner's Manual115NAIRWORTHINESS LIMITATIONS(2) The following list specifies life limits for blades only.Associated hub parts are not affected. Blade modelsshown are life limited only on the specified engine.Propeller/EngineBlade Life LimitPropeller:HC-(C,F,M)2YR-1BFP/F749910,000 hoursEngine:Engine Components, Inc. (ECI)(I)OX-360-( )8.5:1 to 10.2:1 Compression RatioMax Diameter 74 inchesMin. Diameter 72 inchesOperatingRestriction: “Do not operate above24” manifold pressure below 2450 ine Components, Inc. (ECI)(I)OX-370-( )8.5:1 Compression RatioMax Diameter 74 inchesMin. Diameter 72 inches10,000 hoursOperatingRestriction: “Do not operate above24” manifold pressure below 2450 RPM”FAA APPROVEDby: date:Manager, Chicago Aircraft CertificationOffice,ACE-115CFederal Aviation AdministrationAIRWORTHINESS LIMITATIONS61-00-15Page 4Rev. 24 Dec/20
Propeller Owner's Manual115NAIRWORTHINESS LIMITATIONSPropeller/EngineBlade Life LimitPropeller:HC-C2YR-1BF/F7666A-28,700 hoursEngine:Lycoming O-360-A1A rated at 180hpat 2700 RPM equipped with LightspeedPlasma II electronic ignitionMax. Diameter 74 inchesMin. Diameter 72 inchesOperatingRestriction: “Avoid continuous operation between2000 and 2250 RPM. Operation above2600 RPM is limited to takeoff. As soon aspractical after takoff, the RPM should bereduced to 2600 RPM or less.”FAA APPROVEDby: date:Manager, Chicago Aircraft CertificationOffice,ACE-115CFederal Aviation AdministrationAIRWORTHINESS LIMITATIONS61-00-15Page 5Rev. 24 Dec/20
Propeller Owner's Manual115NAIRWORTHINESS LIMITATIONS(3) The following list specifies life limits for propeller hubsonly. Hubs listed are life limited only on the specifiedapplications.Hub UnitLife LimitAircraft/Engine/PropellerAircraft: Aviatt Pitts S-2SEngine: Lycoming AEIO-540-D4A5Propeller: HC-C2YR-4CF/FC8477A-42,000 hoursAircraft: Aviatt Pitts S-2BEngine: Lycoming AEIO-540-D4A5Propeller: HC-C2YR-4CF/FC8477A-42,000 hoursAircraft: SOCATA TB-30Engine: Lycoming AEIO-540-L1B5DPropeller: HC-C2YR-4CF/FC8475-64,000 hours("A" suffixserial numbers)Aircraft: SOCATA TB-30Engine: Lycoming AEIO-540-L1B5DPropeller: HC-C2YR-4CF/FC8475-616,000 hours("B" suffixserial numbers)(4) The following list specifies life limits for cylinder partnumber 101746 only. Cylinders listed are life limited onlyon the specified applications.CylinderLife LimitAircraft/Engine/PropellerAircraft: Hindustan HPT-32Engine: Lycoming AEIO-540-D4B5Propeller: HC-C(2,3)YR-4(B,C)F/FC8477-4R2,000 hoursFAA APPROVEDby: date:Manager, Chicago Aircraft CertificationOffice,ACE-115CFederal Aviation AdministrationAIRWORTHINESS LIMITATIONS61-00-15Page 6Rev. 24 Dec/20
Propeller Owner's Manual115NLIST OF EFFECTIVE PAGESChapterPageCoverCover and Inside CoverMessage1 thru 4Revision Highlights1 thru 4Record of Revisions1 and 2Record of Temporary Revisions 1 and 2Service Documents List1 and 2Airworthiness Limitations1 thru 6List of Effective Pages1 and 2Table of Contents1 and 2Introduction1-1 thru 1-71-8 and 1-91-101-11 and 1-121-131-141-15 thru 1-34Description and Operation2-1 thru 2-222-232-24 thru 2-32Installation and Removal3-1 and 3-23-2.1 and 3-2.23-3 thru 3-53-63-7 thru 3-103-11 and 3-123-13 thru 3-86Testing and Troubleshooting 4-1 thru 4-14Inspection and Check5-1 thru 5-75-85-9 thru 5-315-325-33 thru 5-355-36 and 5-375-38 thru 5-42Maintenance Practices6-1 and 6-26-2.1 and 6-2.26-3 and 6-46-5 thru 6-34LIST OF EFFECTIVE PAGESRevisionDateRev. 25Rev. 24Rev. 25Rev. 24Rev. 24Rev. 24Rev. 24Rev. 25Rev. 24Rev. 24Rev. 25Rev. 24Rev. 25Rev. 24Rev. 25Rev. 24Rev. 24Rev. 25Rev. 24Rev. 24Rev. 24Rev. 24Rev. 25Rev. 24Rev. 25Rev. 24Rev. 24Rev. 24Rev. 25Rev. 24Rev. 25Rev. 24Rev. 25Rev. 24Rev. 24Rev. 24Rev. 25Rev. Dec/20Dec/20Dec/20Feb/22Dec/2061-00-15Page 1Rev. 25 Feb/22
Propeller Owner's Manual115NLIST OF EFFECTIVE PAGESChapterPageMaintenance Practices6-356-366-376-38 thru 6-58Anti-Ice and De-Ice Systems 7-1 thru 7-6Records8-1 thru 8-4LIST OF EFFECTIVE PAGESRevisionDateRev. 25Rev. 24Rev. 25Rev. 24Rev. 24Rev. 24Feb/22Dec/20Feb/22Dec/20Dec/20Dec/2061-00-15Page 2Rev. 25 Feb/22
Propeller Owner's Manual115NTABLE OF CONTENTSMESSAGE.1REVISION HIGHLIGHTS.1RECORD OF REVISIONS.1RECORD OF TEMPORARY REVISIONS.1SERVICE DOCUMENTS LIST.1AIRWORTHINESS LIMITATIONS.1LIST OF EFFECTIVE PAGES.1TABLE OF CONTENTS.1INTRODUCTION. 1-1DESCRIPTION AND OPERATION. 2-1INSTALLATION AND REMOVAL. 3-1TESTING AND TROUBLESHOOTING. 4-1INSPECTION AND CHECK. 5-1MAINTENANCE PRACTICES. 6-1ANTI-ICE AND DE-ICE SYSTEMS. 7-1RECORDS . 8-1TABLE OF CONTENTS61-00-15Page 1Rev. 24 Dec/20
Propeller Owner's Manual115N(This page is intentionally blank.)TABLE OF CONTENTS61-00-15Page 2Rev. 24 Dec/20
Propeller Owner's Manual115NINTRODUCTION - CONTENTS1. General.1-3A. Statement of Purpose.1-3B. Maintenance Practices.1-42. Airframe or Engine Modifications.1-6A. Propeller Stress Levels.1-6B. Engine Modifications.1-63. Restrictions and Placards.1-74. Reference Publications.1-7A. Hartzell Propeller Inc. Publications.1-7B. Vendor Publications.1-95. Personnel Requirements.1-96. Special Tooling and Consumable Materials.1-10A. Special Tooling.1-10B. Consumable Materials.1-107. Safe Handling of Paints and Chemicals.1-108. Calendar Limits and Long Term Storage. 1-11A. Calendar Limits. 1-11B. Long Term Storage. 1-119. Component Life and Overhaul.1-12A. Component Life.1-12B. Overhaul.1-1410. Damage/Repair Types.1-15A. Airworthy/Unairworthy Damage.1-15B. Minor/Major Repair.1-1611. Propeller Critical Parts.1-1712. Warranty Service.1-17INTRODUCTION61-00-15Page 1-1Rev. 24 Dec/20
Propeller Owner's Manual115NINTRODUCTION - CONTENTS, CONTINUED13. Hartzell Propeller Inc. Contact Information.1-18A. Product Support Department.1-18B. Technical Publications Department.1-19C. Recommended Facilities.1-1914. Definitions.1-2015. Abbreviations.1-31INTRODUCTION61-00-15Page 1-2Rev. 24 Dec/20
Propeller Owner's Manual115N1. General (Rev. 1)A. Statement of Purpose(1) This manual has been reviewed and accepted by theFAA. Additionally, the Airworthiness Limitations sectionof this manual has been approved by the FAA.CAUTION:KEEP THIS MANUAL WITH THEPROPELLER OR THE AIRCRAFT ONWHICH IT IS INSTALLED AT ALL TIMES.THE LOGBOOK RECORD WITHINTHIS MANUAL MUST BE MAINTAINED,RETAINED CONCURRENTLY, ANDBECOME A PART OF THE AIRCRAFT ANDENGINE SERVICE RECORDS.(2) The information in this manual can be used by qualifiedpersonnel to install, operate, and maintain the applicableHartzell propeller assemblies.(a) Additional manuals are available that includeoverhaul procedures and specifications for thepropeller.(3) This manual may include several design types.(a) Parentheses shown in the propeller modeldesignations in this or other Hartzell Propeller Inc.publications indicate letter(s) and/or number(s) thatmay or may not be present because of differentconfigurations permitted on the various aircraftinstallations.1Refer to the Description and Operation chapterof this manual for propeller and blade modeldesignation information.(4) Where possible, this manual is written in the formatspecified by ATA iSpec 2200.INTRODUCTION61-00-15Page 1-3Rev. 24 Dec/20
Propeller Owner's Manual115NB. Maintenance Practices(1) The propeller and its components are highly vulnerableto damage while they are removed from the engine.Properly protect all components until they are reinstalledon the engine.(2) Never attempt to move the aircraft by pulling on thepropeller.(3) Avoid the use of blade paddles. Do not put the bladepaddle in the area of the de-ice or anti-icing boot whenapplying torque to a blade assembly. Put the blade paddlein the thickest area of the blade, just outside of the de-iceor anti-icing boot. Use one blade paddle per blade.(4) Use only the approved consumables, e.g., cleaningagents, lubricants, etc.(5) Observe applicable torque values during maintenance.(6) Before installing the propeller on the engine, thepropeller must be statically balanced. New propellers arestatically balanced at Hartzell Propeller Inc. Overhauledpropellers must be statically balanced by a certifiedpropeller repair station with the appropriate rating beforereturn to service.(a) Dynamic balance is recommended, but may beaccomplished at the discretion of the operator,unless specifically required by the airframe or enginemanufacturer.1Perform dynamic balancing in accordancewith the Maintenance Practices chapter of thismanual.2Additional procedures may be found in theaircraft maintenance manual.(7) As necessary, use a soft, non-graphite pencil or crayonto make identifying marks on components.(8) As applicable, follow military standard NASM33540for safety wire, safety cable, and cotter pin generalpractices. Use 0.032 inch (0.81 mm) diameter stainlesssteel safety wire unless otherwise indicated.INTRODUCTION61-00-15Page 1-4Rev. 24 Dec/20
Propeller Owner's Manual115N(9) The information in this manual revision supersedes datain all previously published revisions of this manual.(10)The airframe manufacturer’s manuals should be used inaddition to the information in this manual due to possiblespecial requirements for specific aircraft applications.(11) If the propeller is equipped with an ice protection systemthat uses components supplied by Hartzell PropellerInc., applicable instructions and technical information forthe components can be found in Hartzell Propeller Inc.Ice Protection System Manual 180 (30-61-80).(12)Propeller ice protection system components notsupplied by Hartzell Propeller Inc. are controlled by theapplicable TC or STC holder’s Instructions for ContinuedAirworthiness (ICA).(13)Approved corrosion protection followed by approvedpaint must be applied to all aluminum blades.(a) For information about the application of corrosionprotection and paint, refer to the MaintenancePractices chapter of this manual. Operation ofblades without the specified coatings and finishes,i.e., “polished blades”, is not permitted.INTRODUCTION61-00-15Page 1-5Rev. 24 Dec/20
Propeller Owner's Manual115N2. Airframe or Engine Modifications (Rev. 1)A. Propeller Stress Levels(1) Propellers are approved vibrationwise on airframeand engine combinations based on tests or analysisof similar installations. This data has demonstratedthat propeller stress levels are affected by airframeconfiguration, airspeed, weight, power, engineconfiguration and approved flight maneuvers. Aircraftmodifications that can effect propeller stress include,but are not limited to: aerodynamic changes ahead ofor behind the propeller, realignment of the thrust axis,increasing or decreasing airspeed limits, increasingor decreasing weight limits (less significant on pistonengines), the addition of approved flight maneuvers(utility and aerobatic).B. Engine Modifications(1) Engine modifications can also affect the propeller.The two primary categories of engine modificationsare those that affect structure and those that affectpower. An example of a structural engine modificationis the alteration of the crankshaft or damper of a pistonengine. Any change to the weight, stiffness, or tuningof rotating components could result in a potentiallydangerous resonant condition that is not detectableby the pilot. Most common engine modifications affectthe power during some phase of operation. Somemodifications increase the maximum power output, whileothers improve the power available during hot and highoperation (flat rating) or at off-peak conditions.(a) Examples of turbine engine modifications include,but are not limited to: changes to the compressor,power turbine or hot section of a turboprop engine.(b) Examples of reciprocating engine modificationsinclude, but are not limited to: the addition oralteration of a turbocharger or turbonormalizer,increased compression ratio, increased RPM,altered ignition timing, electronic ignition, fullauthority digital electronic controls (FADEC), ortuned induction or exhaust.INTRODUCTION61-00-15Page 1-6Rev. 24 Dec/20
Propeller Owner's Manual115N(2) All such modifications must be reviewed and approvedby the propeller manufacturer prior to obtaining approvalon the aircraft.3. Restrictions and Placards (Rev. 1)A. Important Information(1) The propellers included in this manual may have arestricted operating range that requires a cockpitplacard.(a) The restrictions, if present, will vary depending onthe propeller, blade, engine, and/or aircraft model.(b) Review the propeller and aircraft type certificate datasheet (TCDS), Pilot Operating Handbook (POH), andany applicable Airworthiness Directives for specificinformation.4. Reference PublicationsA. Hartzell Propeller Inc. Publications(1) Information published in Service Bulletins, ServiceLetters, Service Advisories, and Service Instructions maysupersede information published in this manual. Thereader must consult active Service Bulletins, ServiceLetters, Service Advisories, and Service Instructions forinformation that may have not yet been incorporated intothe latest revision of this manual.(2) In addition to this manual, one or more of the followingpublications are required for information regardingspecific recommendations and procedures to maintainpropeller assemblies that are included in this manual.Manual No.(ATA No.)n/aAvailable atwww.hartzellprop.comHartzell Propeller Inc.Manual TitleYesActive Hartzell PropellerInc. Service Bulletins,Service Letters, ServiceInstructions, and ServiceAdvisoriesINTRODUCTION61-00-15Page 1-7Rev. 24 Dec/20
Propeller Owner's Manual115NManual No.(ATA No.)Available atwww.hartzellprop.comHartzell Propeller Inc.Manual TitleManual 113B(61-10-13)-Compact and LightweightCompact Non-Feathering(-1) and Aerobatic (-4)Propeller Overhaul andMaintenance ManualManual 117D(61-10-17)-Compact ConstantSpeed and FeatheringPropeller Overhaul andMaintenance ManualManual 127(61-16-27)YesMetal SpinnerMaintenance ManualManual 130B(61-23-30)-Mechanically ActuatedGovernors andAccessories MaintenanceManualManual 133C(61-13-33)-Aluminum BladeOverhaul ManualManual 148(61-16-48)YesComposite SpinnerMaintenance ManualManual 159(61-02-59)YesApplication GuideManual 165A(61-00-65)YesIllustrated Tool andEquipment ManualManual 173(61-10-73)YesComposite Spinner FieldMaintenance and MinorRepair ManualManual 180(30-61-80)YesPropeller Ice ProtectionSystem ManualINTRODUCTION61-00-15Page 1-8Rev. 25 Feb/22
Propeller Owner's Manual115NManual No.(ATA No.)Available atwww.hartzellprop.comManual 202A(61-01-02)Vol. 7, YesHartzell Propeller Inc.Manual
Manual No. 115N 61-00-15 Revision 25 February 2022 Propeller Owner's Manual . The propeller is a vital component of the aircraft. A . maintenance required under 14 CFR § 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has
