Boss RIOT RT745 Operator's Manual

A Textron Company652 Oliver StreetWilliamsport, PA. 17701 U.S.A.570/323-6181TECHNICALPUBLICATION REVISIONREVISION NO. PUBLICATION PUBLICATION NO. PUB

OVERHAUL MANUAL- LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Figure 1-2. Typical 6 Cylinder Engine Figure l-3. Typical 6 Cylinder Engine 1-2 R

A OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Right Side View Left Side View Figure 9-3. Simmonds Type 530 Fuel Injector Thr

Section 9Test ProcedureOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES9-37. Engines shall have spark plugs installed in thebottom cylinder loca

SECTION 10TABLE OF LIMITSThis section of the manual has been reserved for theSpecial Service Publication No. SSP-1776 Part I, Table ofLimits and Tight

LycomingSERVICE TABLE OF LIMITSANDTORQUE VALUERECOMMENDATIONSNOTICEThe basic Table of Limits, SSP2070 (including SSP2070-1, SSP2070-2, SSP2070-3 an

INTRODUCTIONSERVICE TABLE OF LIMITSThis Table of Limits is provided to serve as a guide to all service and maintenance personnel engaged in the

IntroductionThe illustrations shown are typical of the referenced limit or fit described in the Table and in no instance are theseillustrations inte

500 501 AB-D-G-J-S-T-Y-BD-BE-AFB-G-J-S-T-Y-AFAB-D-G-J-S-T-Y-BD-BET1-T3-AFS8-S10T1-TS-AFG**J-S-T-YT1-T3-AFT1-T3-AFS1-T-AFG**-J-S-T-Y*0-320-A, -E Narr

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION I CRANKCASE, CRANKSHAFT, CAMSHAFTRef. Ref.New OldChart501 502 S-T-AF954 A-B-D-G-J-S-T-Y-BD-

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION I CRANKCASE, CRANKSHAFT, CAMSHAFTNomenclature DimensionsMfr.Min. Serv.& Max.Max.Ref.

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION I CRANKCASE, CRANKSHAFT, CAMSHAFTRef. Ref.New OldChartNomenclatureDimensionsMfr.Min. Serv.&a

Example: TIOPREFIXL -Lefthand Engine RotationT - TurbochargedV -Vertical HelicopterH -Horizontal HelicopterA -Aerobatic*Note-Fuel Injected acOVERHAUL

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION I CRANKCASE, CRANKSHAFT, CAMSHAFTCrankcase, Crankshaft, Camshaft and Related PartsSSP17761-5

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSRef. Ref. Chart Nomenclature DimenMfr.New Old Min.&Max.600 510 ALL Connectin

606 517 A Piston Ring and Piston - SideClearance (Bottom)607 615 ALL Piston Ring Gap (Compression)Plain and Chrome Cylinders(Straight Barrels)ALL

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSNomenclature DimensionsMfr.Min. Serv.& Max.Max.Ref. Ref. ChartNew O

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSNomenclature DimenRef. Ref.New OldChartsions613 527 YG-J-S-T-AF-BD-BES1A-B-D-J6

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSRef. Ref.ChartNomenclatureNew OldDimensionsMfr.Min. Serv.& Max.Max.Cle

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSRef. Ref.New OldChartNomenclatureDimensionsMfr.Min.&Max.ions ClearancesMf

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSCylinder, Piston and Valve Components1-12SSP1776

0-235 TYPESERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION II CYLINDERSPARALLEL VALVE HEAD619-ANGLE VALVE HEADCylinder, Piston and Valve Comp

Ref. Ref. ChartNew Old700 554:: ALL701 601 A-B-D-G-J-S-T-AFYBD-BE(DUAL MAGNETO)BD-BE703 :::542:: A-B-D-G-J-S-T-Y-AF542 BD-BE704 543 ALL (Except

valvesthrough pushrods andvalve rockers. Thevalverockers are supported on full floating steel shafts. Thevalve springs bear against hardened st

SERVIPARSECTION IIIRef. Ref. ChartNew Old708 545 G2-S2709 546 G2-S2710 542 G2-S2711 543 G2-S2G2-S2G2-S2712 G2-S2713 544 G2-S2714 772 S3-T4-AF(WID

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAIN SECTION -FUEL PUMP (CONT.)Nomenclature DimensionsMfr.Min. Serv.& Max.Max

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAIN SECTION - GOVERNOR & HYDRAULIC PUMP (CONT.)Ref. Ref.New Old733 675734 674

Ref. Ref.New Old742743744 764745 794746 677747 677748749750 987751 988752753754 784756757 787 Y758SSP1776SERVICE TABLE OF LIMITSPART I DIRECT DRI

Ref. Ref.New Old758 T-AF(DUA7095 BD,I759 627 D760 D761 632 D762 633 D763 634 D764 637 DSERVICE TABLE OF LIMITSPART I DIRECT DRIVE ENGI

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAINTURBO SCAVENGE PUMP & HYD PUMP (TIO-540-C)TURBO SCAVENGE PUMP & GOV.

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAINAC FUEL PUMP(4 CYL)AN FUEL PUMP (DUAL MAG)FUEL PUMP(6CYL)AN FUEL PUMP(6&8

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAIN4 & 8 (WIDE DECK)0-320-H 0,LO-360-E6 CYL. (WIDE DECK) (2200 LB.)NARRO

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAINHYDRAULIC PUMP-DUAL MAG732REAR PROP GOV (4 CYL.) REAR PROP GOV (4 CYL.)(DUA

VACUUM PUMP & TACHOMETERSERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAINTACHOMETER DRIVEVACUUM PUMPDUAL DRIVE (VACUUM PUMP

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 2General Descriptiondraulic lifter cylinder outward. This action forces theball check

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAIN0-435AHIO-360-D TYPE8 CYLINDER0-320-H, 0, LO-360-E4 CYL.(S4LN-21 a S4LN-1227

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAINVO, IVO-360Accessory Drives: MagnetosSSP17761-26

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION III GEAR TRAIN700759GENERATOR DRIVE0-435-AGenerator and Bendix DriveSSP17761-27

Ref. Ref. ChartNew Old800 623 A-B-G-J-S-T-Y-AF801 1002 BD-BE802 623 Y803 616 A-B-G-J-S-T-Y-AF804 617 A-B-G-J-S-T-Y-AF805 618 A-B-G-J-S-T-AF8

Ref. Ref.New Old819 973 S-T-AF(DUAL820 974 T-AF821 676 G-J-S822 G1-G2-T-AF823 669 G1-G2-T-AF824 669 BD-BE825 550 D826 551 D827 552 D82

GOVERNORCRANKSHAFT IDLERSERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION IV BACKLASHCAMSHAFTTACHOMETERCRANKSHAFT IDLER,ECCENTRIC-TACHOME

CAMSHAFTCAMSHAFTAT FRONTCAMSHAFTSERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION IV BACKLASHVACUUM PUMP802800CRANKSHAFT IDLER 803804OIL PUMP

PROP GOVERNOR-823-IDLECRANKSHAFT IDLERECCENTRIC---SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION IV BACKLASHCAMSHAFT (FRONT)CAMSHAFT (REAR)

ACCESSORY HOUSING0-435-ASERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION IV BACKLASHSTARTER DRIVE0-435-ASECTION THRU REAROF ENGINEBacklash (A

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION V SPECIAL TORQUE REQUIREMENTSChartNew Old900 829 A-B-D-G-Y-S-T-BD-BEJS1-S3-S5-S6-S7-S9

Crankshaft IdlerNo. of teeth 26Section 2General DescriptionOVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESOil ReturnFigure 2-5. Schematic Oil

Ref. Ref. ThreadThreadNew Old Chart Size Nomenclature919 871 ALL 1/4 Hex Head Hose Clamps (Worm Type)and Below5/16 Hex Head Hose Clamps (Worm T

Ref. Ref.New Old Chart930 849 ALL932 858 ALLALLChart950 800 A-B-D-G-J-S-T-Y-::::::: D-BEA-B-D-G-J-S-T-Y-BD-BES-S2-S3-S5-S6-S7-S9-S10-T2-T3S1-S2-S

SERVICE TABLE OF LIMITSSTANDARD TORQUEUNLESS OTHERWISE LISTEDTorque limits for propeller attaching bolts to be supplied by propeller or airframe manu

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION V SPECIAL TORQUE REQUIREMENTS918ADJUSTABLE OIL RELIEF VALVEEngine Accessories and Hardware

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION V SPECIAL TORQUE REQUIREMENTSEngine Accessories and HardwareSSP1776 1-39

915915912SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION V SPECIAL TORQUE REQUIREMENTS904IEngine Accessories and HardwareSSP17761-40

SERVICE TABLE OF LIMITSPART 1 DIRECT DRIVE ENGINESSECTION V SPECIAL TORQUE REQUIREMENTSEngine Springs and HardwareSSP17761-41

Magneto GearRatio 1:1Fuel Pump Idler Gear -Fuel Pump Drive GearRatio 1:1An TypeOVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 2Gene

Section 2General DescriptionOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES2-16. INDUCTION SYSTEM (Engines Employing Car-buretors). Subject engi

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 2General DescriptionFuelPump Drive Shft Gear- (ANType) Hydrulic Pump Driven GearNo. of

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 3General Overhaul ProceduresSECTION 3.GENERALOVERHAULPROCEDURES3-1. This manual will de

Section 3 OVERHAUL MANUAL-General Overhaul ProceduresLYCOMING DIRECT DRIVE AIRCRAFT ENGINES3-12. When grit-blasting parts donot use sand or anymetalli

LycomingTECHNICALPUBLICATION REVISIONREVISION NO. PUBLICATION PUBLICATION NO. PUBLICATION DATEDirect Drive Overhaul60294-7-8 Manual 60294-7 December

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 3General Overhaul Proceduresage the part by overheating and burning thin areas ad

Figure 3-l. Bevel Gear - Showing Extreme Pitch Alignment assembly. If parts are not properly lubricated, or a” inferior lubricant is

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 3General Overhaul ProceduresGeneral Overhaul Proceduresc. Visually, and by feel, deter

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 4Ignition SystemSECTION 4.IGNITIONSYSTEM4-1. GENERAL. All subject four, six and eight c

Section 4 OVERHAUL MANUAL- LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Ignition System CONVENTIONAL AND. RETARD BREAKER IMPULSE COUPLING S4-20-20

4-12. IGNITION HARNESS. Unless the harness assem-bly is in obviously new condition and is known to havebeen recently installed, it is recommended that

Figure 4-4. Marked Teeth onCrankshaft Idler Gear4-18. At both ends cut the exposed insulationbackfromthe end 1/16 inch. Do not pull insulation from w

4-24. MAGNETOS (Four Cylinder Engines). See figure4-1. Assemble a Woodruff key (9) in the shaft of theconventional or retard breaker magneto. Assemble

Figure 4-9. Ignition Wiring DiagramSix Cylinder Engines4-31. In the event that an ignition timingpointer is notavailable an alternate method may be us

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 4Ignition SystemALIGN TIMING MARK ON DRIVE PLATEFigure 4-11. Ignition Wiring DiagramNOTE

Lycoming652 Oliver StreetWilliamsport, PA 17701 U.S.A.717/323-6181TECHNICALPUBLICATION REVISIONREVISION NO.60294-7-7PUBLICATIONDirect Drive OverhaulM

Section 4Ignition SystemOVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESc. Remove the switch, coil and retard leadsfrom their terminal

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 5Accessory HousingSECTION 5.ACCESSORY HOUSING5-1. It is assumed, at this time, that the

Section 5 OVERHAUL MANUAL- Accessory Housing \ \ \ \ \ \ 0 \ \ \ \ I I 5-2

12. Hyd. Pump Drive Adapter13. Oil Seal14. Fuel Pump Gasket15. Dual Magneto16. Driving Impeller17. Driven Impeller18. Magneto Gear 019.

23 4 7mZz1225. Washer6. Vacuum Pump Driven Gear7. Fuel Pump8. Cover0mrm81. Vacuum Pump2. Gasket3. Oil Seal4. Adapter9. Retaining Ring10. Propeller G

REASSEMBLY5-25. Oil Pump -See figure 5-6. Insert oil pump im-pellers into oil pump body. The driving impeller (4)is manufactured from steel and is ins

3 l12 04Section 5Accessory HousingOVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINES246 121171087 9- 131. Gasket 7. Washer2. Brace 8. Dual Driv

2 3 47 561. Drive Shaft 5. Drive Impeller2. Plug 6. Cotter Pin3. Body 7. Idler Shaft4. Driving ImpellerFigure 5-6. Oil Pump Drive Assembly1 2O

Section 5Accessory HousingOVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINESzI5-8Revised May, 1972

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 5 Accessory Housing 5-33. “AN” Fuel Pump Drive. See figure 5-4. If the e

TECHNICALPUBLICATION REVISIONREVISION NO. PUBLICATION PUBLICATION NO. PUBLICATION DATE60294-7-7 Direct Drive Overhaul 60294-7 December 1974Manua

CAUTIONBrace must be seated properly so there isno stress at either end of bracket when nutsare tightened.5-36. Fuel Pump (Diaphragm Type) See figure

OVERHAUL MANUAL- LYCOMING DIRECT DRIVE AIRCRAFT ENGINES A -- N 2- Revised May, 1972 5-11

OVERHAUL MANUAL- LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 6Cylinders, Pistons,and Valve TrainSECTION 6.CYLINDERS, PISTONS ANDVALVE TRAIN6-1

1. Shroud Tube 2. Shroud Tube Spring 3. Shroud Tube Lockplate 4. Plain Nut 5. Valve Rocker 6. Rocker Box 1. Valve Spring Seat 6. Val

267891026. Drain tube27. Hose clamp28. Hose29. Nipple30. 3/8 inch cylinder base nut(0-235-C)31. Nut, lockwasher, washer32. Exhaust flange33. Exhaust

Section 6 OVERHAUL MANUAL- LYCOMING DIRECT DRIVE AIRCRAFT ENGINES

OVERHAUL MANUAL- LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 6 Cylinders, Pistons, and Valve Train

Section 6 OVERHAUL MANUAL - LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Cylinders, Pistons, and Valve Train

DISASSEMBLY6-18. CYLINDER. Place cylinder over the cylinderholdingblock (64526-1, or -2), assemble valve springcompressor (ST-25) on cylinder

Figure 6-9 Diagram of Hydraulic Tappet6-26. CYLINDER HEAD (VISUAL INSPECTION). Ex-amine the cylinder head thoroughly, checking for thefollowing possib

Overhaul Manual Direct Drive Engine A Approved by F.A.A. Sixth Printing December 1974 Part No. 60294-7 652 Oliver Street Williamsport, PA 1

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT6-28. CYLINDER BARREL (VISUAL INSPECTION).In additionto a thorough inspection of the cylinder bar-rel to

Figure 6-13. Valve Showing Locations forChecking Run-Out and Section forMeasuring Edge Thickness6-34. VALVE ROCKERS. Damaged, badlyworn, pittedor sco

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 6Cylinders, Pistons,and Valve Train-Figure 6-15. Method of CheckingValve Edge Thickness

Section 6Cylinders, Pistons,and Valve TrainOVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINESROCKWELL MARKSIIF THIS SURFACE APPEARS WAVYTHE PART

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 6Cylinders, Pistons,and Valve TrainREQ. FIBER43 '2DET. NONO. REQ.STOCK SIZECOPPER

REMOVE FERROX COATING FROM THISSURFACE BEFORE MAGNAFLUXINGFigure 6-22. Surface to be Cleanedof Ferrox Coating6-61. SPARK PLUG THREAD INSERT. Spark

"A" "B"OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 6using the expanding tool (64593), secure the insertfir

6-76. Refer to Table VI-II and select the proper cut-ter andpilot. Installthe pilot in the cutter, tighten andinstall cutter in special drive. Instal

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 6Cylinders, Pistons,and Valve TrainFigure 6-29. Difference Between "Flat"and &q

645146451464725ST-26649016492764927ST-155T/NSection 6 OVERHAUL MANUAL-Cylinders, Pistons,and Valve TrainTABLE VI-IIILYCOMING DIRECT DRIVE AIRCRAFT ENG

OVERHAUL MANUAL - TEXTRON LYCOMING DIRECT DRIVE AIRCRAFT ENGINESTO THE OWNER OF THIS MANUALIN ADDITION TO THIS MANUAL AND SUBSEQUENT REVISIONS, ADDITI

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 6Cylinders, Pistons,and Valve Train6-91. Check each rocker shaft bushing hole in

Section 6Cylinders, Pistons,and Valve TrainOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESa. Friable Bond Material - 2Ab. Grain Size - 54c. Gr

6-118. (All Pistons. ) Upon completion of assembly ofthe piston rings, check the side clearance of the ringsin the grooves. Use feeler gage and strai

Section 6Cylinders, Pistons,and Valve TrainOVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESloosen nuts and repeat steps b and c.6-127. Af

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 66-135. Angle Valve Cylinder. Slide rocker shaft backand install rocker (22, figure 6-6)

1. Rocker box section including the rocker boxflange. Both valve ports and flanges. Thermo-couple hole. Spark plug holes. Push rod shroudtube holes.

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 7Crankcase, Crankshaft,and Reciprocating PartsSECTION VIICRANKCASE, CRANKSHAFT ANDRECIPR

21 20 19 181. Front Main Bearing Insert2. Lifting Strap3. Oil Relief Valve Plug(Field Conversion)4. Ball5. Spring6. Washer7. Spacer8. G

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 7Crankcase, Crankshaft,and Reciprocating PartsCAUTIONAll crankpin journal sludge tubes

SECTION 7 OVERHAUL MANUAL -TEXTRON LYCOMING AIRCRAFT ENGINESCRANKCASE, CRANKSHAFT, AND RECIPROCATING PARTS DIRECT DRIVE1. Gasket2. Thrust Washer3. Cov

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESTABLE OF CONTENTSPAGE SECTIONSECTIONPAGE1 INTRODUCTION1-12 GENERAL DESCRIPTIONCylindersValve Ope

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 7 clearances in the same manner, see Table of Limits, A Reference 502.

LYCOMING DIRECT DRIVE AIRCRAFT ENGINES 7 8 5 7-41. Crankshaft Counterweight Bushings. Wear or damage to the crankshaft counterweight bu

OVERHAUL MANUAL LYCOMINGREPAIR AND REPLACEMENT7-44. Repair all crankcase, crankshaft and recipro-cating parts in accordance with the general instruc

Section 7 0VCrankcase, Crankshaft,and Reciprocating Parts22VERHAUL MANUAI'.YCOMING DIRECT DRIVE AIRCRAFT ENGINES7-49. ReconditioningWorn Cran

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 76. Polish the oil seal area of the shaft with crocuscloth while the shaft i

TABLE 7-2Section 7Crankcase, Crankshaft,and Reciprocating PartsOVERHAUL MANUALTEXTRON LYCOMING DIRECT DRIVE AIRCRAFT ENGINESHole Size.9369/.9377.9420/

OVERHAUL MANUALTEXTRON LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 7Crankcase, Crankshaft,and Reciprocating Partsthe threads are undamaged. The thr

SECTION 7 OVERHAUL MANUAL -LYCOMING AIRCRAFT ENGINESCRANKCASE, CRANKSHAFT, AND RECIPROCATING PARTS DIRECT DRIVE4. If the dowel has been removed, check

P/N 13S19649OVERHAUL MANUAL TEXTRON LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 7Crankcase, Crankshaft,and Reciprocating PartsCAUTIONSome old cran

Section 7Crankcase, Crankshaft,and Reciprocating PartsOVERHAUL MANUALTEXTRON LYCOMING DIRECT DRIVE AIRCRAFT ENGINES5/16" BoltHead Must BeIdentifi

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESTABLE OF CONTENTS (CONT.)PAGE SECTIONSECTIONPAGE7 CRANKCASE, CRANKSHAFT ANDRECIPROCATING PARTSRe

3. Set the stop collar (P/N 64905) 5. 75 inches abovethe cutting edge of special piloted reamer (P/N64902).4. Assemble the universal (P/N 64908) to a

2. Draw the tap and sleeve straight out of the bore witha sharp quick pull.3. Clean the relief valve bore thoroughly with petroleumsolvent and a su

OVERHAUL MANUALTEXTRON LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 7Crankcase, Crankshaft,and Reciprocating Partsfaces at any location. (.001 feeler

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 7 Crankcase, Crankshaft and Reciprocating Parts TO TO SEPARATE DOWELED CRANK

Section 7 OVERHAUL MANUALCrankcase, Crankshaft,and Reciprocating PartsLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSLUDGE TUBES TO THESE DIMENSIONSREMOVE EXP

DRIVE IN FLUSH AT THIS POINTOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 77-73. Crankcase. Place both crankcase halves on asuita

ASSEMBLE CIRCLIPWITH SHARP EDGE OFFigure 7-19. Assembly of Washer and Circlipin CounterweightNOTEOil seal rings are not used at center sad-dles that

7-88. Installtorque hold downplates (ST-222 or equiv-alent) at cylinder pads.7-89. Install nuts on free ends of 1/2 inch thru-studsand using the seque

Section 7 OVERHAUL MANUALCrankcase, Crankshaft,and Reciprocating PartsLYCOMING DIRECT DRIVE AIRCRAFT ENGINESTH TIGHTEN ON RIGHT SIDE4TH TIGHTEN ON LEF

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 7Crankcase, Crankshaft,and Reciprocating Partsis marked. The smaller diameter gear is

OVERHAUL MANUAL-LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 1IntroductionSECTION 1.INTRODUCTION1-1. This manual contains the necessary informationfo

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 8Oil Sump andFuel InductionSECTION 8.OIL SUMP AND FUEL INDUCTION8-1. General. To accomoda

111211ISection 8Oil Sump andFuel InductionOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES234106 7781. Intake Pipe2. Gasket3. Flange Gaske

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 8Oil Sump andFuel Inductionedsecurely to the nozzles. Check for clogged nozzles.Re

213 1 1213 1 12161514Section 8Oil Sump andFuel InductionOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES6667-94 512131. Annular Gaskets2. Oil

OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINES Section 8 Oil Sump and Fuel lnduction 1. Gaskets 2. Intake Pipe Flange 3. Intake Pip

Section 8 OVERHAUL MANUAL LYCOMING DIRECT DRIVE AIRCRAFT ENGINESOil Sump andFuel Inductionbly and throttle body of the Simmons #530 fuel injec- cure

RICHOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 9Test ProcedureSECTION 9.TEST PROCEDURE9-1. At the completion of assembly of the eng

O-235-C1, -C1B, -C2A-C2B,-E 2-5O-235-F, -G, -J 2-5O-235-C2C,-H2C 2-5O-290-D,-D2 2-50-320-A,-E 2-5O-320-B,-D 2-5IO-320-A, -E 18-28IO-320-B,-D 18-28LIO

OVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINESSection 9Test Procedure9-4. Test stand oil supply pressure to engines whichcan be run simulated

Section 9Test ProcedureOVERHAUL MANUALLYCOMING DIRECT DRIVE AIRCRAFT ENGINES9-23. Non-adjustable Oil Pressure Relief Valve - Al-though the valve