Hartzell B-4270 Owner'S Manual Download Page 48

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Propeller Owner's Manual

136

INTRODUCTION

61-00-36

Page 1-20

Rev. 2 Feb/17

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Summary of Contents for B-4270

Page 1: ...r s Manual and Logbook Reversible Propeller Model HC E3YR 7 Pressure Control Unit B 4270 Hartzell Propeller Inc One Propeller Place Piqua OH 45356 2634 U S A Ph 937 778 4200 Hartzell Propeller Inc Ph...

Page 3: ...e most reliable components of your airplane It is also among the most critical to flight safety It therefore deserves the care and maintenance called for in this Manual Please give it your attention e...

Page 4: ...gine and airstream which are added to high bending and centrifugal stresses Before a propeller is certified as being safe to operate on an airplane an adequate margin of safety must be demonstrated Ev...

Page 5: ...ircraft may operate with unapproved engines or propellers or engine modifications to increase horsepower such as unapproved crankshaft damper configurations or high compression pistons These issues af...

Page 6: ...Page 4 Rev 2 Feb 17 MESSAGE 61 00 36 Propeller Owner s Manual 136 This page is intentionally blank...

Page 7: ...Propeller Owner s Manual 136 Page 5 Rev 2 Feb 17 REVISION HIGHLIGHTS 61 00 36 REVISION HIGHLIGHTS Revision 2 dated February 2017 reissued in its entirety...

Page 8: ...Page 6 Rev 2 Feb 17 REVISION HIGHLIGHTS 61 00 36 Propeller Owner s Manual 136 This page is intentionally blank...

Page 9: ...change bars are used b Reissue is a revision to an existing manual that includes major content and or major format changes The manual is distributed in its entirety All the page revision dates are th...

Page 10: ...Page 8 Rev 2 Feb 17 REVISION HIGHLIGHTS 61 00 36 Propeller Owner s Manual 136 Revision No Issue Date Comments Orig Jun 82 Initial Release Rev 1 Aug 13 Minor Revision Rev 2 Feb 17 Reissue...

Page 11: ...opeller Owner s Manual 136 Page 9 Rev 2 Feb 17 RECORD OF REVISIONS 61 00 36 RECORD OF REVISIONS Rev No Issue Date Date Inserted Inserted By Orig Jun 82 Jun 82 HPI 1 Aug 13 Aug 13 HPI 2 Feb 17 Feb 17 H...

Page 12: ...Page 10 Rev 2 Feb 17 RECORD OF REVISIONS 61 00 36 Propeller Owner s Manual 136 This page is intentionally blank...

Page 13: ...Page 11 Rev 2 Feb 17 Propeller Owner s Manual 136 RECORD OF TEMPORARY REVISIONS 61 00 36 TR No Issue Date Date Inserted Inserted By Date Removed Removed By RECORD OF TEMPORARY REVISIONS...

Page 14: ...Page 12 Rev 2 Feb 17 RECORD OF TEMPORARY REVISIONS 61 00 36 Propeller Owner s Manual 136 This page is intentionally blank...

Page 15: ...T IN DEATH SERIOUS BODILY INJURY AND OR SUBSTANTIAL PROPERTY DAMAGE REFER TO THE APPLICABLE SERVICE DOCUMENT INDEX FOR THE MOST RECENT REVISION LEVEL OF THE SERVICE DOCUMENT CAUTION 2 THE INFORMATION...

Page 16: ...Page 14 Rev 2 Feb 17 SERVICE DOCUMENTS LIST 61 00 36 Propeller Owner s Manual 136 This page is intentionally blank...

Page 17: ...cument AIRWORTHINESS LIMITATIONS The Airworthiness Limitations section is FAA approved and specifies maintenance required under 14 CFR 43 16 and 91 403 of the Federal Aviation Regulations unless an al...

Page 18: ...l These parts are not life limited on other installations however time accumulated toward life limit accrues when first operated on aircraft engine propeller combinations listed and continues regardle...

Page 19: ...ents List 13 and 14 Rev 2 Feb 17 Airworthiness Limitations 15 and 16 Rev 2 Feb 17 List of Effective Pages 17 and 18 Rev 2 Feb 17 Table of Contents 19 thru 26 Rev 2 Feb 17 Introduction 1 1 thru 1 20 Re...

Page 20: ...LIST OF EFFECTIVE PAGES 61 00 36 Page 18 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

Page 21: ...ons 1 3 3 Airframe or Engine Modifications 1 4 4 Restrictions and Placards 1 5 5 General 1 5 A Personnel Requirements 1 5 B Maintenance Practices 1 5 C Continued Airworthiness 1 8 D Propeller Critical...

Page 22: ...2 20 B Aluminum Blade Model Identification 2 21 4 Governors 2 23 A Theory of Operation 2 23 B Governor Types 2 25 C Identification of Hartzell Propeller Inc Governors 2 25 5 Propeller Ice Protection S...

Page 23: ...nit Adjustment 3 43 6 Propeller Installation 3 53 A Flange Description 3 53 B Installation of R Flange Propellers 3 53 7 Spinner Dome Installation 3 58 A General 3 58 B Installing the Spinner Dome 3 5...

Page 24: ...trol of Engine Propeller Speed Has Little or No Effect 4 9 E Propeller Underspeed 4 10 F Propeller Overspeed 4 11 G Beta Range Operation 4 12 H Vibration 4 13 I Oil or Grease Leakage 4 15 INSPECTION A...

Page 25: ...eaning 6 3 A General Cleaning 6 3 B Spinner Cleaning and Polishing 6 4 2 Lubrication 6 7 A Lubrication Intervals 6 7 B Lubrication Procedure 6 9 C Approved Lubricants 6 12 3 Blade Repairs 6 13 A Repai...

Page 26: ...n 7 3 A Propeller De ice System 7 3 B Propeller Anti ice System 7 3 2 System Description 7 4 A De ice System 7 4 B Anti ice System 7 5 3 De ice System Operation Checks 7 6 4 Anti ice System Operationa...

Page 27: ...Torque Value When Using Torquing Adapter Figure 3 1 3 8 Hub Clamping Bolt Location for Spinner Mounting Figure 3 2 3 10 Metal Spinner Bulkhead and Spinner Mounting Hub Mounted Spinner Figure 3 3 3 12...

Page 28: ...sure Control Components Field Supplied Figure 3 14 3 38 Pressure Control Components Hartzell Propeller Inc Supplied Figure 3 15 3 39 Oil Pressures for Pressure Unit Adjustment Figure 3 16 3 40 R Flang...

Page 29: ...ral 1 5 A Personnel Requirements 1 5 B Maintenance Practices 1 5 C Continued Airworthiness 1 8 D Propeller Critical Parts 1 8 6 Reference Publications 1 9 A Hartzell Propeller Inc Publications 1 9 B R...

Page 30: ...Propeller Owner s Manual 136 INTRODUCTION 61 00 36 Page 1 2 Rev 2 Feb 17 This page is intentionally blank...

Page 31: ...ll Propeller Inc Constant Speed Reversing HC E3YR 7 compact propellers with aluminum blades C The purpose of this manual is to enable qualified personnel to install operate and maintain a Hartzell Pro...

Page 32: ...structure and those that affect power An example of a structural engine modification is the alteration of the crankshaft or damper of a piston engine Any change to the weight stiffness or tuning of ro...

Page 33: ...r repair and or overhaul of any Hartzell Propeller Inc product b Personnel performing maintenance on steel hub propellers are expected to have sufficient training and certifications when required by t...

Page 34: ...ler on the engine the propeller must be statically balanced a New propellers are statically balanced at Hartzell Propeller Inc before being shipped b Overhauled propellers must be statically balanced...

Page 35: ...er s manuals in addition to the information in this manual because of possible special requirements for specific aircraft applications 12 If the propeller is equipped with an ice protection system tha...

Page 36: ...r from the Hartzell Propeller Inc factory by subscription Selected information is also available on the Hartzell Propeller Inc website at www hartzellprop com D Propeller Critical Parts 1 The followin...

Page 37: ...02 59 Application Guide Available on the Hartzell Propeller Inc website at www hartzellprop com Hartzell Propeller Inc Manual No 165A 61 00 65 Illustrated Tool and Equipment Manual Available on the H...

Page 38: ...ual No 202A 61 01 02 Standard Practices Manual Volumes 1 through 11 Volume 7 Consumable Materials and Packaging and Storage is available on the Hartzell Propeller Inc website at www hartzellprop com H...

Page 39: ...Manual 165A 61 00 65 a Tooling references appear with the prefix TE directly following the tool name to which they apply For example a template which is reference number 133 will appear as template TE...

Page 40: ...ero blade angle for no thrust Beta System Parts and or equipment related to operation manual control of propeller blade angle between low pitch blade angle and full reverse blade angle Blade Angle Mea...

Page 41: ...hape or size of a component Erosion Gradual wearing away or deterioration due to action of the elements Exposure Material open to action of the elements Feather A blade angle position for all blades i...

Page 42: ...Condition in which the RPM selected by the pilot through the propeller control lever and the actual engine propeller RPM are equal Overhaul The periodic disassembly inspection repair refinish and reas...

Page 43: ...thrust Scratch See Nick Single Acting Hydraulically actuated propeller which utilizes a single oil supply for pitch control Synchronizing Adjusting the RPM of all the propellers of a multi engine airc...

Page 44: ...ough the propeller control lever Variable Force A force which may be applied varied or removed during propeller operation Vertical Balance Balance between the leading and trailing edges of a two blade...

Page 45: ...ilopascals Lbs Pounds MIL X XXX Military Specification MPI Major Periodic Inspection MS Military Standard MSDS Material Safety Data Sheet NAS National Aerospace Standards NASM National Aerospace Stand...

Page 46: ...ice C Additional information is available on our website at www hartzellprop com NOTE When calling from outside the United States dial 001 before dialing the above telephone numbers 10 Warranty Servic...

Page 47: ...Hartzell Propeller Inc approved distributors and repair facilities for the purchase repair and overhaul of Hartzell Propeller Inc propeller assemblies or components B Information about the Hartzell P...

Page 48: ...Propeller Owner s Manual 136 INTRODUCTION 61 00 36 Page 1 20 Rev 2 Feb 17 This page is intentionally blank...

Page 49: ...Propeller Beta Reverse Operation 2 12 2 Pilot Operation of Propeller Blade Angle in Beta Range Low Pitch to Full Reverse Pitch for Maneuvering 2 17 3 Model Designation 2 20 A Aluminum Hub Propeller M...

Page 50: ...2 1 2 3 Pressure Control Reversing Propeller System Figure 2 2 2 4 Oil Pressures Pressure Control Reversing Propeller Figure 2 3 2 5 Pressure Control Unit Figure 2 4 2 8 Governor in Onspeed Condition...

Page 51: ...NDER OIL PRESSURE TO REDUCE BLADE ANGLE AND INCREASE RPM PISTON PITCH STOP ENGINE FLANGE SHAFT O RING SEAL BLADE TPI 136 001a SPINNER DOME OIL SPRINGS PITCH CHANGE ROD FORK MOUNTING STUD COUNTERWEIGHT...

Page 52: ...aft Retaining Ring Reversing Spring Hub Blade Pitch Change Knob Pitch Change Rod Oil Cylinder Piston Spring Fork Counterweight Beta Lockout Assembly Beta Lockout Flyweight Pilot Control Pressure Contr...

Page 53: ...eta Range Low Pitch Maximum Reverse Pitch Decreasing Pitch High Pitch Pressure Low Pitch Pressure Beta Entry Pressure Max Reverse Pressure Beta Range Operating Pressure Preloaded Reversing Spring Flig...

Page 54: ...control of propeller blade angle The 4 oil pressure gage monitors that the oil pressure available to the governor is what it should be and has not changed 3 The propeller is compatible with a recipro...

Page 55: ...er a wing to produce lift This results in an aircraft that does not require feathering even though it utilizes multiple engines B Propeller and Pressure Control Unit Features Refer to Figure 2 1 and F...

Page 56: ...ler Owner s Manual 136 DESCRIPTION AND OPERATION 61 00 36 Page 2 8 Rev 2 Feb 17 Pressure Control Unit Figure 2 4 TPI 136 023 Engine Engine Drive Pressure Control Unit Governor Governor Drive Drive Ext...

Page 57: ...ss a very low RPM less than 900 RPM is selected to insure ground or water operation with fixed wing aircraft The Reversing Spring increases the force oil pressure required to reverse blade angle 2 Pre...

Page 58: ...transmitted to each blade through a pitch change rod and an attached fork that engages a pitch change knob on each blade Each blade is supported and retained by the hub at its root by a blade retenti...

Page 59: ...of oil will move the propeller pitch to a higher blade pitch lower RPM and no change of oil will maintain the current blade pitch no change of RPM 4 Figure 2 3 shows an example of the different oil pr...

Page 60: ...tch is maintained with a fixed stop and will not permit blade angle movement below low pitch 3 A propeller with reversing capability must be able to reach blade pitch below low pitch in the beta range...

Page 61: ...ive blade pitch and reverse blade pitch the governor must be set by the pilot to a maximum RPM selection It is important to understand that all operation in the beta range must be at an RPM less than...

Page 62: ...the piston Operation in beta range requires that two spring sets be compressed one spring set is acting against the piston as in constant speed operation and the second spring set is in the barrel of...

Page 63: ...ited by a restraining bolt or screw This is to limit the minimum lower oil pressure that the Pressure Control Unit will reduce the governor supplied oil pressure of 270 to 300 PSI This pressure must b...

Page 64: ...t will vary between the minimum oil pressure that is discussed in paragraph 1 D 7 a through the maximum oil pressure of 270 to 300 PSI available from the governor Moving toward minimum oil pressure wi...

Page 65: ...hrottle for power to an RPM that is clearly under the maximum RPM selected for governor control In this manner the pilot will be able to move only the pilot control cockpit lever freely to higher posi...

Page 66: ...dding the throttle control lever introduces the strong possibility that the pilot will inadvertently have the throttle at high power while moving the propeller blade angle through neutral pitch blade...

Page 67: ...Propeller Owner s Manual 136 DESCRIPTION AND OPERATION 61 00 36 Page 2 19 Rev 2 Feb 17 This page is intentionally blank...

Page 68: ...wed clockwise facing propeller flange BLANK 90 AND 270 DEGREES CONTINENTAL 0 AND 180 DEGREES LYCOMING BLADE SHANK OR RETENTION SYSTEM Y SHANK ALUMINUM BLADE INTEGRAL PITCH CHANGE ARM FLANGE DISTANCE F...

Page 69: ...letters C counterweighted Y shank F large pitch change knob Y shank L left hand rotation pusher Suffix letters G a negative pitch change knob angle S shot peening of blade surface The first 2 or 3 num...

Page 70: ...gure 2 6 Governor in Overspeed Condition Figure 2 7 Propeller RPM Control Speeder Spring Flyweights Pilot Valve Speeder Spring Flyweights Pilot Valve Speeder Spring Flyweights Pilot Valve APS6149 APS6...

Page 71: ...he centrifugal force acting on the flyweights is balanced by the speeder spring and the pilot valve is neither directing oil to nor from the propeller hydraulic cylinder 3 When the engine is operating...

Page 72: ...t but also keeps the propeller blades operating in phase with each other Both synchronizing and synchrophasing systems serve to reduce noise and vibration 6 A Hartzell Propeller Inc synchronizing or s...

Page 73: ...unction in a similar manner C Identification of Hartzell Propeller Inc Governors A Hartzell Propeller Inc governor may be identified by its model number as follows Ex F 6 4 NOTE Refer to Hartzell Prop...

Page 74: ...ice forms This system must be in use before ice forms It is ineffective in removing ice that has already formed 1 System Overview a A typical anti ice system consists of a fluid tank pump and distrib...

Page 75: ...tems have a master switch and may have another toggle switch for each propeller Some systems also have a selector switch to adjust for light or heavy icing conditions b The timer or cycling unit deter...

Page 76: ...Propeller Owner s Manual 136 DESCRIPTION AND OPERATION 61 00 36 Page 2 28 Rev 2 Feb 17 This page is intentionally blank...

Page 77: ...Ring Unit to Starter Ring Gear Installation 3 23 4 Pressure Gauge Attachment to the Pressure Control Unit 3 29 5 Pressure Control Unit and Governor Installation 3 31 A Before Installation 3 31 B Prep...

Page 78: ...Sample Pressure Control Unit Figure 3 7 3 25 Sample Governor Unit and Pressure Control Unit Installed on the Engine Figure 3 8 3 26 A 3147 3 Stud Figure 3 9 3 27 B 1104 Governor Gasket Figure 3 10 3 2...

Page 79: ...00 36 Page 3 3 Rev 2 Feb 17 LIST OF TABLES Torque Table Table 3 1 3 9 Metal Spinner Bulkhead Mounting Hardware Table 3 2 3 16 Composite Spinner Bulkhead Mounting Hardware Table 3 3 3 20 Propeller Eng...

Page 80: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 4 Rev 2 Feb 17 This page is intentionally blank...

Page 81: ...on a particular propeller installation is indicated in the propeller model number stamped on the hub For example HC E3YR 7 indicates an R flange Refer to Aluminum Hub Propeller Model Identification in...

Page 82: ...drive Torque wrench adapters Hartzell Propeller Inc Part Number BST 2860 TE150 or 3 4 inch crowfoot wrench NOTE Using a wrench other than Hartzell Propeller Inc Part Number BST 2860 TE150 increases th...

Page 83: ...y external wood bracing from the cardboard shipping container 3 Remove the cardboard from the hub and blades CAUTION DO NOT STAND THE PROPELLER ON A BLADE TIP 4 Put the propeller on a padded surface o...

Page 84: ...25 foot 76 2 mm 1 00 foot 304 8 mm Standard Torque Wrench Torquing Adapter 100 Ft Lb 136 N m x 1 00 ft 304 8 mm 1 00 ft 304 8 mm 0 25 ft 76 2 mm reading on torque wrench with 3 inch 76 2 mm adapter fo...

Page 85: ...FLANGE CAUTION 2 ALL TORQUES LISTED ARE DRY TORQUE CAUTION 3 REFER TO FIGURE 3 1 FOR TORQUE READING WHEN USING A TORQUE WRENCH ADAPTER Hub clamping bolts spinner mtg nuts 20 22 ft lbs 28 29 N m R fla...

Page 86: ...0 36 Page 3 10 Rev 2 Feb 17 Hub Clamping Bolt Location for Spinner Mounting Figure 3 2 TPI 136 004 BLADE SHANK B L A D E S H A N K B L A D E S H A N K HUB CLAMPING BOLT HUB CLAMPING BOLT HUB CLAMPING...

Page 87: ...he nuts from the hub clamping bolts that are located on either side of the blade shank a Do not loosen or remove the remaining nuts and bolts 3 Refer to Figure 3 2 The spinner may be supplied with lon...

Page 88: ...only and is not intended to be representative of an HC E Y 7 propeller SPINNER BULKHEAD SPINNER BULKHEAD SPACER SPINNER MOUNTING NUT G SPINNER DOME TO BULKHEAD SCREWS AND WASHER E6749 eps NUT G WASHE...

Page 89: ...ge 3 13 Rev 2 Feb 17 Spinner Installation Clearance Figure 3 4 Spinner Bulkhead Engine Cowl TPI 136 008e TPI 136 011a Spinner Dome Spinner Dome Blade Cutout Opening Forward Bulkhead Filler Plate Clear...

Page 90: ...ade cut out openings to clear the propeller blades at all blade angle locations Refer to Figure 3 4 1 The spinner bulkhead and any attached filler plate must also clear the propeller blades at all bla...

Page 91: ...r s spacer s must be removed before spinner installation 3 Install a washer or washers in Area 2 on the hub clamping bolts if required to make sure of clearance as listed in paragraphs 3 B 1 a through...

Page 92: ...ounting nut G from an in service propeller is not permitted 1 A self locking spinner mounting nut G that is removed from an in service propeller must be discarded and replaced with a new self locking...

Page 93: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 17 Rev 2 Feb 17 This page is intentionally blank...

Page 94: ...ure 3 5 COMPOSITE SPINNER BULKHEAD SPINNER BULKHEAD SPACER SPINNER MOUNTING NUT E SPINNER DOME TO BULKHEAD SCREWS AND WASHER E6749 TPI 136 007 NOTE Propeller model shown is for spinner attachment purp...

Page 95: ...r dome blade cut out openings to clear the propeller blades at all blade angle locations Refer to Figure 3 4 1 The spinner bulkhead and any attached filler plate must also clear the propeller blades a...

Page 96: ...sure that the inward facing flange that pilots on the propeller cylinder does not interfere with a corner on the propeller cylinder Refer to Figure 3 4 2 Install a washer or washers in Area 2 on the...

Page 97: ...ing nut may be removed from a new or newly overhauled propeller and reinstalled to permit spinner bulkhead installation on the propeller before initial propeller installation on the aircraft b Removal...

Page 98: ...Ring Gear Mount Figure 3 6 SPINNER ADAPTER RING UNIT STARTER RING GEAR AIRCRAFT MANUFACTURER SUPPLIED HARDWARE SPINNER TO ADAPTER SCREWS AND FIBER WASHER SAFETY STUD PAIRS HERE APS6145A NOTE Propeller...

Page 99: ...EADS ARE AT THE REAR OF THE STARTER RING GEAR AS INDICATED IN FIGURE 3 6 BOLTS INSTALLED INCORRECTLY MAY DAMAGE ENGINE COMPONENTS 1 Install the spinner adapter ring unit supplied by Hartzell Propeller...

Page 100: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 24 Rev 2 Feb 17 This page is intentionally blank...

Page 101: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 25 Rev 2 Feb 17 TPI 136 017 Sample Pressure Control Unit Figure 3 7 Round Flange...

Page 102: ...Feb 17 TPI 136 016 Sample Governor Unit and Pressure Control Unit Installed on the Engine Figure 3 8 A 3147 3 Stud B 3808 5 Self locking Hex Nut B 3851 0563 Washer Governor Unit B 1104 Governor Gasket...

Page 103: ...ev 2 Feb 17 A 3147 3 Stud Figure 3 9 TPI 136 018 B 1104 Governor Gasket Figure 3 10 TPI 136 013 5 16 18UNC 3A Coarse Threads 5 16 24UNF 3A Fine Threads Raised Screen Mounting Holes Mounting Holes Rais...

Page 104: ...essure Control Unit and Pressure Gauge Attachment Figure 3 11 Pressure Control Unit Side Close to and Parallel to the Plunger Control Oil Pressure in the Propeller Threaded Fitting Oil Pressure Gauge...

Page 105: ...it side that is close to and parallel to the plunger will have several threaded fittings to connect to engine oil pressure and internal porting Refer to Figure 3 11 1 The oil pressure gauge is NOT to...

Page 106: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 30 Rev 2 Feb 17 A 3144 2 Governor Drive Extension Figure 3 12 TPI 136 009 TPI 136 010 To the Governor To the Engine...

Page 107: ...control unit supplied may vary from the sample shown in Figure 3 7 a The part number for the pressure control unit is as required for the applicable installation b One governor unit available from Ha...

Page 108: ...17 i Primer T CM127 available from Hartzell Propeller Inc or locally procured j A torque wrench and a torque wrench adapter to attach to B 3808 5 self locking hex nuts 1 2 inch across the flats locall...

Page 109: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 33 Rev 2 Feb 17 This page is intentionally blank...

Page 110: ...34 Rev 2 Feb 17 Governor Mounting Pad With Studs Installed Figure 3 13 TPI 136 019 TPI 136 020 VIEW A Governor Mounting Pad With Short Studs Installed VIEW B Governor Mounting Pad With Long Studs Inst...

Page 111: ...the governor mounting pad on the engine with short studs installed 2 Figure 3 13 View B shows the governor mounting pad on the engine with long studs installed b The four long studs are Hartzell Prope...

Page 112: ...on the engine 6 Using solvent MEK CM106 or MPK CM219 clean the 5 16 18UNC 3A threads coarse threads on each of the four A 3147 3 studs 7 Apply Primer T CM127 to each of the four 5 16 18 threaded hole...

Page 113: ...0 Apply threadlocker CM152 to the 5 16 18UNC 3A threads coarse threads on each stud 11 Turn the 5 16 18UNC 3A threads coarse threads of a stud into each of the 5 16 18 threaded holes in the governor m...

Page 114: ...age 3 38 Rev 2 Feb 17 Pressure Control Components Field Supplied Figure 3 14 TPI 136 021 Pilot Control Cable Plunger Stop Screw Support Locknut Plunger Stop Screw Pivot Point Pivot Point Support Plung...

Page 115: ...Propeller Inc Supplied Figure 3 15 TPI 136 022 Pilot Control Cable Plunger Stop Screw Support Locknut Plunger Stop Screw Pivot on the Bracket Bracket Connected to the Pressure Control Unit Plunger Pr...

Page 116: ...ch High Pitch Pressure Low Pitch Pressure Beta Entry Pressure Max Reverse Pressure Beta Range Operating Pressure Preloaded Reversing Spring Flight Operating Pressure Increasing Pitch TPI 136 006 Oil P...

Page 117: ...at the pressure control unit control lever and pressure gauge port align with the aircraft fittings 3 With the raised screen pointing away from the pressure control unit install a second B 1104 govern...

Page 118: ...with a torque wrench and a torque adapter that fits a hex nut that is 1 2 inch across the flats in accordance with Table 3 1 and Figure 3 1 8 Attach the RPM control cable to the control arm of the gov...

Page 119: ...d to determine this distance will be discussed in the section Plunger Stop Screw Adjustment in this chapter b This section discusses the additional parts outside the basic pressure control unit that a...

Page 120: ...control lever refer to Figure 3 14 a These pressure control units still require these features and the customer or airframe manufacturer must provide these features or parts 2 If installing a pressure...

Page 121: ...e 3 15 7 The pressure relief compression spring pushes on the plunger that pushes the control lever away from the pressure control unit until it is stopped by the plunger stop screw Refer to Figure 2...

Page 122: ...ption and operation 1 Careful reading and understanding of the section Propeller Beta Reverse Operation in the Description and Operation chapter of this manual is required 2 The section 1 D 7 a addres...

Page 123: ...is increasing 2 The upper line represents the oil pressure that is required for propeller control when the blade angle is decreasing 3 The different oil pressures that are required for propeller cont...

Page 124: ...i The plunger stop screw is to be adjusted to get an oil pressure at Position 3 that is 10 to 20 psi above the oil pressure that it takes to reach low pitch position during decreasing pitch which is s...

Page 125: ...osition 4 oil pressure l Determine the Position 4 oil pressure 1 Before starting the engine adjust the plunger stop screw away from the plunger Refer to Figure 3 14 or Figure 3 15 a This will make sur...

Page 126: ...nd obtain an oil pressure that is increased 10 PSI from the previous effort n If the engine RPM does not reach the maximum RPM permitted by the governor then move the pilot control to push the plunger...

Page 127: ...the plunger stop screw and mechanically jam the lock nut onto the plunger stop screw and against the plunger stop screw support p Determine that the Position 3 oil pressure is still the same Refer to...

Page 128: ...Figure 3 17 TORQUE WRENCH APS6160D APS6172 NOTE When using the torque wrench extension use the calculation in Figure 3 1 to determine correct torque wrench setting PROPELLER FLANGE STARTER RING GEAR...

Page 129: ...The flange type used on a particular propeller installation is indicated in the propeller model stamped on the hub For example HC E3YR 7 indicates an R flange 3 Refer to Aluminum Hub Propeller Model...

Page 130: ...ESIVES AND SOLVENTS ARE FLAMMABLE AND TOXIC TO THE SKIN EYES AND RESPIRATORY TRACT SKIN AND EYE PROTECTION ARE REQUIRED AVOID PROLONGED CONTACT AND BREATHING OF VAPORS USE SOLVENT RESISTANT GLOVES TO...

Page 131: ...OF THE PROPELLER WHEN IT IS PARTIALLY ENGAGED WITH THE ENGINE ROCKING OF THE PROPELLER DURING PROPELLER INSTALLATION CAN DAMAGE THE PROPELLER HUB MOUNTING FACE CAUSING ACTUATION OIL LEAKAGE OR DAMAGE...

Page 132: ...safety all mounting studs with 0 032 inch 0 81 mm minimum diameter stainless steel wire or equivalent aircraft safety cable and associated hardware two studs for each safety Refer to Figure 3 6 a If...

Page 133: ...0 30 61 80 Propeller Ice Protection System Manual b Hartzell Propeller Inc Manual 181 30 60 81 Propeller Ice Protection System Component Maintenance Manual c Hartzell Propeller Inc Manual 182 61 12 82...

Page 134: ...mbly If so refer to the airframe manufacturer s manual for spinner installation instructions B Installing the Spinner Dome 1 Examine the interior of the spinner dome If the spinner dome has a forward...

Page 135: ...ead or to the adapter ring with the supplied screws and washers Refer to Table 3 5 a When the spinner dome has been removed during maintenance examine the fit of the spinner forward bulkhead to the cy...

Page 136: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 60 Rev 2 Feb 17 This page is intentionally blank...

Page 137: ...emove the four B 3808 5 self locking hex nuts that are holding the governor unit in position 1 Use an open end wrench to fit a nut that is 1 2 inch across the flats Refer to Figure 3 8 D Remove the fo...

Page 138: ...each of the four A 3147 3 studs for damage or corrosion 1 Remove and replace any stud that is damaged or corroded K Use a plastic tool to remove remaining gasket material that is on the governor unit...

Page 139: ...Spinner 1 Remove the screws and washers that attach the spinner dome to the spinner bulkhead or adapter ring 2 Remove the spinner dome B Hub Mounted Spinner Bulkhead Removal 1 Remove propeller Refer...

Page 140: ...1 80 Propeller Ice Protection System Manual b Hartzell Propeller Inc Manual 181 30 60 81 Propeller Ice Protection System Component Maintenance Manual c Hartzell Propeller Inc Manual 182 61 12 82 Prope...

Page 141: ...imbalance CAUTION DISCARD THE PROPELLER MOUNTING STUDS NUTS AND WASHERS IF THEY ARE DAMAGED OR CORRODED OR WHEN THE PROPELLER IS REMOVED FOR OVERHAUL 7 Remove the six 1 2 inch mounting studs from the...

Page 142: ...Propeller Owner s Manual 136 INSTALLATION AND REMOVAL 61 00 36 Page 3 66 Rev 2 Feb 17 This page is intentionally blank...

Page 143: ...k 4 6 2 Propeller Ice Protection Systems 4 6 A Electric De ice System 4 6 B Anti ice System 4 6 3 Troubleshooting 4 7 A Hunting and Surging 4 7 B Engine Propeller Speed Varies with Airspeed 4 8 C Engi...

Page 144: ...Propeller Owner s Manual 136 TESTING AND TROUBLESHOOTING 61 00 36 Page 4 2 Rev 2 Feb 17 This page is intentionally blank...

Page 145: ...flight 3 The propeller system must be purged of air and correct operation verified B Initial Run Up to Purge Trapped Air 1 Perform engine start and warm up in accordance with the Pilot s Operating Han...

Page 146: ...e propeller blade angle into beta range and make sure of reverse and low positive pitch operation a Refer to the section Pilot Operation of Propeller Blade Angle in Beta Range Low Pitch to Full Revers...

Page 147: ...pressure 6 Slowly advance the governor RPM control lever until the engine speed stabilizes a If engine speed stabilizes at the maximum static RPM specified by the TC or STC holder while at maximum po...

Page 148: ...arding flight into conditions of known icing The aircraft may not be certificated for flight in known icing conditions even though propeller de ice equipment is installed 2 Refer to the Anti ice and D...

Page 149: ...e decrease in engine speed followed by a return to set speed after one or two occurrences 1 If the propeller is hunting a repair station should check a Governor b Fuel control c Synchrophaser or synch...

Page 150: ...icient oil pressure 275 psi minimum 4 Blockage of oil line from the governor to the propeller 5 Governor pilot valve is sticking to retard pumping of oil b Engine oil transfer system is leaking excess...

Page 151: ...il from the governor a Blockage of the oil line from the governor to the propeller b Governor pilot valve is sticking D Governor RPM Control of Engine Propeller Speed Has Little or No Effect 1 Excessi...

Page 152: ...oil leakage to opposite side of the hydraulic piston and the propeller resists the governor attempt to move the piston for pitch change decrease b Inadequate engine oil supply to the governor c Govern...

Page 153: ...during engine run up with the aircraft static 3 Governor maximum RPM set too high 4 Excessive friction in propeller blade bearings or pitch change mechanism is not permitting a increase of blade pitc...

Page 154: ...he appropriate rating b Low oil pressure Oil pressure supplied to the propeller by the pressure control unit when commanded by the pilot control is less that required to move blade angle from low pitc...

Page 155: ...POTENTIALLY HARMFUL TO THE PROPELLER AVOID OPERATION UNTIL THE PROPELLER CAN BE CHECKED AT A CERTIFIED PROPELLER REPAIR STATION WITH THE APPROPRIATE RATING 1 Check a Control surfaces cowl flaps exhaus...

Page 156: ...or blade damage or cracking l Grease or oil leakage m Bends or blade deformation NOTE Dynamic balancing is recommended after installing or performing maintenance on a propeller While normally an optio...

Page 157: ...rst ten hours of operation CAUTION GREASE LEAKAGE THAT CAN BE DESCRIBED AS EXCESSIVE AND APPEARING SUDDENLY ESPECIALLY WHEN ACCOMPANIED BY VIBRATION SHOULD BE INVESTIGATED IMMEDIATELY BEFORE FURTHER F...

Page 158: ...Propeller Owner s Manual 136 TESTING AND TROUBLESHOOTING 61 00 36 Page 4 16 Rev 2 Feb 17 This page is intentionally blank...

Page 159: ...intenance 5 8 C Airworthiness Limitations 5 9 D Overhaul Periods 5 10 4 Inspection Procedures 5 11 A Blade Damage 5 11 B Grease or Oil Leakage 5 12 C Vibration 5 14 D Blade Track 5 17 E Loose Blades 5...

Page 160: ...er Owner s Manual 136 INSPECTION AND CHECK 61 00 36 Page 5 2 Rev 2 Feb 17 LIST OF FIGURES Checking Blade Track Figure 5 1 5 16 Blade Play Figure 5 2 5 16 Reciprocating Engine Overspeed Limits Figure 5...

Page 161: ...In addition perform the following inspections A Blades 1 Visually inspect the entire blade lead trail face and camber sides for nicks gouges and cracks a Refer to the Maintenance Practices chapter of...

Page 162: ...N IN FLIGHT BLADE SEPARATION CAN RESULT IN A CATASTROPHIC AIRCRAFT ACCIDENT E Check the blades for radial play or movement of the blade tip in and out fore and aft and end play Refer to Figure 5 2 1 R...

Page 163: ...to reverse pitch using the procedure specified in the Pilot Operating Handbook POH for the aircraft 1 Propeller speed control and operation may be checked by using information in the Description and...

Page 164: ...Rev 2 Feb 17 D Refer to Periodic Inspections in this chapter for additional inspection information and possible corrections to any discrepancies discovered as a result of Pre Flight Checks E Refer to...

Page 165: ...manufacturer s maintenance program and approved by the applicable airworthiness agency may not coincide with the inspection time intervals specified In this situation the airframe manufacturer s sche...

Page 166: ...efer to Grease or Oil Leakage in the Inspection Procedures section of this chapter for procedure 6 If a blade track problem is suspected check the blade track Refer to Blade Track in the Inspection Pr...

Page 167: ...ours and or cycles of use 2 Life limited component times may exist for the propeller models included in this manual Refer to the Airworthiness Limitations chapter of this manual 3 Operators are urged...

Page 168: ...SED AS A RESULT OF EVALUATION CAUTION 2 REFER TO THE LATEST REVISION OF HARTZELL PROPELLER INC SERVICE LETTER HC SL 61 61Y FOR THE MOST CURRENT INFORMATION THE SERVICE LETTER IS AVAILABLE ON THE HARTZ...

Page 169: ...PLICABLE OVERHAUL MANUAL S FOR THE IDENTIFICATION OF SPECIFIC PROPELLER CRITICAL PARTS The following inspections must be made on a regular basis either before flight during required periodic inspectio...

Page 170: ...ge may be caused by the seating of seals and O rings and the slinging of lubricants used for seal lubrication during assembly Such leakage should cease within the first ten hours of operation 1 Leakag...

Page 171: ...leakage 1 If the origin of grease leakage is determined to be a noncritical part such as an O ring or sealant repairs can be accomplished during scheduled maintenance as long as flight safety is not...

Page 172: ...on in accordance with engine or airframe manufacturer s instructions 2 Refer to the Vibration section in the Testing and Troubleshooting chapter of this manual Perform the checks to determine possible...

Page 173: ...DES c Manually by hand attempt to turn the blades change pitch d Visually check for damaged blades 7 If abnormal blade conditions or damage are found perform additional inspections by qualified person...

Page 174: ...ler Owner s Manual 136 INSPECTION AND CHECK 61 00 36 Page 5 16 Rev 2 Feb 17 APS6155 Checking Blade Track Figure 5 1 Blade Play Figure 5 2 APS6163 BLADE END PLAY IN AND OUT PLAY RADIAL PLAY FORE AND AF...

Page 175: ...ENGINE MAGNETO IS GROUNDED OFF BEFORE ROTATING THE PROPELLER d Rotate the propeller by hand opposite the direction of normal rotation until a blade points directly at the reference surface paper 1 Th...

Page 176: ...ginal position when released Blades with excessive movement or that do not return to their original position when released may indicate internal wear or damage which should be referred to a certified...

Page 177: ...on Contact the local airworthiness authority for repair approval b For composite spinners refer to Hartzell Propeller Inc Composite Spinner Maintenance Manual 173 61 16 73 or a certified propeller rep...

Page 178: ...v 2 Feb 17 Percent Overspeed Reciprocating Engines Only Reciprocating Engine Overspeed Limits Figure 5 3 Duration of Overspeed 105 20 Sec 1 min 3 min 5 min 110 103 Requires Evaluation by a Certified P...

Page 179: ...speed exceeds the limits established by the engine propeller or airframe manufacturer The duration of time at overspeed for a single event determines the corrective action that must be taken to make s...

Page 180: ...isassembled evaluated and or repaired by a certified propeller repair station with the appropriate rating 2 Procedure for Temporary Operation If temporary additional operation is desired before propel...

Page 181: ...1 Any incident whether or not the engine is operating that requires repair to the propeller other than minor dressing of the blades Examples of foreign object strike include situations where an aircra...

Page 182: ...r reduction 5 A bent cracked or failed engine shaft 6 Vibration during operation that was not present before the event b Nicks gouges and scratches on blade surfaces or the leading and trailing edges...

Page 183: ...AT TREATED FORGINGS AND ARE COMPRESSIVELY ROLLED AND SOMETIMES SHOT PEENED EXPOSURE TO HIGH TEMPERATURES CAN DESTROY THE FATIGUE BENEFITS OBTAINED FROM THESE PROCESSES 1 On rare occasions propellers m...

Page 184: ...peller Inc factory via the Product Support number listed in the Introduction chapter of this manual Storage information is also detailed in Hartzell Propeller Inc Standard Practices Manual 202A 61 01...

Page 185: ...4 Painting After Repair 6 19 A General 6 19 B Painting of Aluminum Blades 6 20 5 Dynamic Balance 6 23 A Overview 6 23 B Inspection Procedures Before Balancing 6 24 C Modifying Spinner Bulkhead to Acc...

Page 186: ...17 Propeller Owner s Manual 136 LIST OF FIGURES LIST OF TABLES Approved Touch up Paints Table 6 1 6 18 Lubrication Fitting Location Figure 6 1 6 6 Lubrication Fitting Figure 6 2 6 8 Lubrication Label...

Page 187: ...SHING CAN FORCE WATER AND OR CLEANING FLUIDS PAST SEALS AND LEAD TO INTERNAL CORROSION OF PROPELLER COMPONENTS A General Cleaning CAUTION 1 WHEN CLEANING THE PROPELLER DO NOT PERMIT SOAP OR SOLVENT SO...

Page 188: ...4 Rev 2 Feb 17 Propeller Owner s Manual 136 B Spinner Cleaning and Polishing 1 Clean the spinner using the General Cleaning procedures in paragraph 1 A in this chapter 2 Polish the dome if necessary w...

Page 189: ...MAINTENANCE PRACTICES 61 00 36 Page 6 5 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

Page 190: ...CE PRACTICES 61 00 36 Page 6 6 Rev 2 Feb 17 Propeller Owner s Manual 136 Lubrication Fitting Location Figure 6 1 Lubrication Fitting Cylinder Side Hub Half Lubrication Fitting Engine Side Hub Half TPI...

Page 191: ...nder adverse atmospheric conditions e g high humidity salt air calendar lubrication intervals should be reduced to six months 2 Owners of high use aircraft may wish to extend their lubrication interva...

Page 192: ...al 136 Lubrication Fitting Figure 6 2 Lubrication Fitting or Lubrication Plug Removed From the Cylinder side Hub Half Lubrication Fitting Installed in the Engine side Hub HalfTI 00102 NOTE A 2 blade p...

Page 193: ...ellers with clockwise standard rotation when viewed from BEHIND the aircraft remove the lubrication fittings P N A 279 or C 6349 or lubrication hole plugs P N 106545 in the CYLINDER SIDE hub half b Fo...

Page 194: ...EASE 6 Aeroshell greases 5 and 6 both have a mineral oil base and have the same thickening agent therefore mixing of these two greases is acceptable in Hartzell Propeller Inc propellers 7 A label Hart...

Page 195: ...ASE INTO THE LUBRICATION FITTING USING MORE THAN 1 FL OZ 30 ML OF GREASE COULD RESULT IN OVER SERVICING OF THE PROPELLER 8 Pump a maximum of 1 fl oz 30 ml grease into the lubrication fitting or until...

Page 196: ...g C Approved Lubricants 1 The following lubricants are approved for use in Hartzell Propeller Inc compact propellers Aeroshell 6 Recommended all purpose grease Used in most new production propellers s...

Page 197: ...NC PRODUCT SUPPORT DEPARTMENT FOR BLADE DIMENSIONAL LIMITS CAUTION 2 INSTRUCTIONS AND PROCEDURES IN THIS SECTION MAY INVOLVE PROPELLER CRITICAL PARTS REFER TO THE INTRODUCTION CHAPTER OF THIS MANUAL F...

Page 198: ...rmula On the leading and trailing edge of the blade measure the depth of the damage and multiply this number x 10 see Example 2 above Repair the area surrounding the damage 10 times the depth of the d...

Page 199: ...E IN SHOT PEENED AREAS IN EXCESS OF 0 015 INCH 0 38 MM DEEP ON THE FACE OR CAMBER OR 0 250 INCH 6 35 mm ON THE LEADING OR TRAILING EDGES MUST BE REMOVED FROM SERVICE AND THE REWORKED AREA SHOT PEENED...

Page 200: ...be polished first with emery cloth or Scotch Brite pad and finally with crocus cloth to remove any traces of filing 5 Inspect the repaired area with a 10X magnifying glass a Make sure that indications...

Page 201: ...BEFORE DELIVERY TO A CERTIFIED PROPELLER REPAIR STATION WITH THE APPROPRIATE RATING THIS WILL CAUSE THE BLADE TO BE SCRAPPED BY THE REPAIR STATION 1 Repair of a bent blade or blades is considered a ma...

Page 202: ...Tempo Epoxy Red tip stripe A 153 n a Tempo Epoxy Yellow tip stripe A 154 n a Sherwin Williams Black F75KXB9958 4311 A 6741 145 1 Sherwin Williams Gray F75KXA10445 4311 A 6741 146 1 Sherwin Williams W...

Page 203: ...provide proper corrosion and erosion protection Painting should be performed by a certified propeller repair station with the appropriate rating in accordance with Hartzell Propeller Inc Standard Prac...

Page 204: ...s away from the eroded or repaired area a Paint erosion is typically very similar on all blades in a propeller assembly If one blade has more extensive paint erosion e g in the tip area sand all the b...

Page 205: ...ore 30 minutes or after 48 hours b If the paint is permitted to dry longer than four 4 hours it must be lightly sanded before another coat is applied 7 Remove the masking material from the tip stripes...

Page 206: ...MAINTENANCE PRACTICES 61 00 36 Page 6 22 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

Page 207: ...TAPE AND CAUSE CORROSION THAT CAN PERMANENTLY DAMAGE THE BLADE REFLECTIVE TAPE MUST BE REMOVED AFTER DYNAMIC BALANCING IS COMPLETED NOTE Dynamic balance is recommended to reduce vibrations that may b...

Page 208: ...isually examine the inner surface of the spinner dome for evidence of grease leakage 2 If there is no evidence of grease leakage lubricate the propeller in accordance with the Maintenance Practices ch...

Page 209: ...radial location should be outboard of the de ice slip ring or bulkhead doubler and inboard of the bend where the bulkhead creates the flange surface to attach the spinner dome 3 Twelve equally spaced...

Page 210: ...203 inch 5 16 mm OD 0 875 inch 22 23 mm and thickness 0 063 inch 1 59 mm 5 Install weights using aircraft quality 10 32 or AN 3 type screws or bolts 6 Balance weight screws attached to the spinner bul...

Page 211: ...CHAPTER OF THIS MANUAL FOR INFORMATION ABOUT PROPELLER CRITICAL PARTS REFER TO THE ILLUSTRATED PARTS LIST CHAPTER OF THE APPLICABLE OVERHAUL MANUAL S FOR THE IDENTIFICATION OF SPECIFIC PROPELLER CRITI...

Page 212: ...r Owner s Manual 136 3 An underspeed during the maximum power static condition may be caused by any one or a combination of the following The propeller low pitch blade angle is too high the governor i...

Page 213: ...tions This stop is adjustable only by a certified propeller repair station with the appropriate rating or the Hartzell Propeller Inc factory 8 Propeller Ice Protection Systems A Electric De ice System...

Page 214: ...placarded range where continuous operation is not permitted 3 In other cases the maximum permitted stresses occur at an RPM only slightly above the maximum engine RPM 4 For these reasons it is very i...

Page 215: ...nc recommends that propeller owners operators calibrate the engine tachometer in accordance with the National Institute of Standards and Technology NIST or similar national standard traceable 2 Contac...

Page 216: ...MAINTENANCE PRACTICES 61 00 36 Page 6 32 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

Page 217: ...tem 7 3 2 System Description 7 4 A De ice System 7 4 B Anti ice System 7 5 3 De ice System Operation Checks 7 6 4 Anti ice System Operational Functional Checks 7 6 5 De ice and Anti ice System Inspect...

Page 218: ...ANTI ICE AND DE ICE SYSTEMS 61 00 36 Page 7 2 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

Page 219: ...ied and removed automatically by the de ice system timer 2 System components include a timer or cycling unit electrical slip ring s brush block assembly and blade mounted de ice boots B Propeller Anti...

Page 220: ...ly This switch may only be used for short periods and is used when ice builds up on the propeller before the system is turned on 2 An ammeter which indicates current drawn by the system is normally lo...

Page 221: ...ger ring located at the rear of the spinner bulkhead The anti ice fluid is dispensed into the rotating slinger ring which holds the fluid in a curved channel by centrifugal force The fluid then flows...

Page 222: ...nc Manual 180 30 61 80 Propeller Ice Protection System Manual 2 Hartzell Propeller Inc Manual 182 61 12 82 Propeller Electrical De ice Boot Removal and Installation Manual 4 Anti ice System Operationa...

Page 223: ...hich are available on the Hartzell Propeller Inc website at www hartzellprop com a Hartzell Propeller Inc Manual 181 30 60 81 Propeller Ice Protection System Component Maintenance Manual b Hartzell Pr...

Page 224: ...ller Ice Protection System Component Maintenance Manual b Hartzell Propeller Inc Manual No 182 61 12 82 Propeller Electrical De ice Boot Removal and Installation Manual B Anti ice System Troubleshooti...

Page 225: ...RECORDS 61 00 36 Page 8 1 Rev 2 Feb 17 Propeller Owner s Manual 136 RECORDS CONTENTS 1 Introduction 8 3 2 Record Keeping 8 3 A Information to be Recorded 8 3...

Page 226: ...RECORDS 61 00 36 Page 8 2 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

Page 227: ...ed to be recorded is listed in Part 43 of the U S Federal Aviation Regulations 2 The log book may also be used to record a Propeller position on aircraft b Propeller model c Propeller serial number d...

Page 228: ...RECORDS 61 00 36 Page 8 4 Rev 2 Feb 17 Propeller Owner s Manual 136 This page is intentionally blank...

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