Aircraft Engines Parts Catalog IO-0-BG Wide Cylinder Flange Crankcase Model Engine Part No. PC-0- Oliver Street Williamsport, PA 770
Aircraft Engines Parts Catalog IO-0-BG Wide Cylinder Flange Crankcase Model Engine Part No. PC-0- Oliver Street Williamsport, PA 770
This illustrated parts catalog contains a complete parts listing for the Textron IO-0-BG wide cylinder flange crankcase model aircraft engines. Major assembly and sub-assembly parts of the engine are listed in the Group Assembly sections in the general sequence of engine build up. A Service Kits section and Oversize and Undersize Parts List are included to aid in ordering parts as necessary during overhaul. The Numerical Index is provided for convenience in finding parts when only the part number is known. Parts coverage of Vendor Accessories used on Textron engines may be found in the appropriate Vendor's Parts Catalog. A list of addresses of where to obtain these publications appears in the latest edition of Service Letter No. L. NOTE The illustrations, pictures and drawings shown in the publication are typical of the subject matter they portray. This catalog, when used in conjunction with the appropriate overhaul manual, shall be used for parts identification only. Under no circumstances shall this catalog be used as an assembly or installation document. Any reference in this document to a suppliers/parts manufacturer's product, by name, trademark, part number or other description is solely for the purposes of identification and does not indicate or infer that Textron accepts responsibility for quality control and/or airworthiness of parts which do not pass through the Textron quality control system. 999 by Textron, "All Rights Reserved." All Textron publications are to be considered copyrighted and may not be reproduced without permission of the company. SERVICE BULLETINS, INSTRUCTIONS AND LETTERS Although the information contained in this parts catalog is up-to-date at time of publication, users are advised to procure current information through all Textron distributors or from the factory by subscription. Consult the latest edition of Service Letter No. L for subscription information. HOW TO ORDER PARTS In ordering parts for your engine, observe the following instructions which will expedite shipment of correct parts required without delay. a. Always specify the model and serial number of your engine. b. Always specify part number, nomenclature and quantity required.
SECTION TABLE OF CONTENTS PAGE Introduction... i Table of C ontents... ii Oversize and Undersize Parts Listing...... iii. CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP C rankcase A ssem bly... - Oil Level Gage Assembly and Crankcase Related Parts... - Crankshaft and Counterweight Assembly and Related Parts... - Crankshaft Idler Gears, Tachometer Drive and Camshaft... -7 Crankcase Attaching Parts...... -9. ACCESSORY HOUSING AND RELATED PARTS Accessory Housing Assembly...... - Oil Pump and Accessory Housing Attaching Parts... - Fuel Pump and Propeller Governor Drive (Crankcase) and Covers... - Vacuum Pump Drive and Cover... -7 Oil Filter Assembly, Oil Cooler Bypass Valve and Breather Fitting... -9. CYLINDER, PISTON AND VALVE TRAIN Connecting Rods, Pistons and Ring Assemblies... - Cylinder Assembly... - Cylinder Related Parts... - Valve Assembly... -7 Cylinder Head Drain Tubes, Intercylinder Cooling Baffles and Rocker Box Covers... -9. IGNITION SYSTEM Lasar Magnetos, Magneto Drives, Slick Harnesses and Spark Plugs... - Slick Magnetos, Magnetos Drives, Slick Harnesses and Spark Plugs... -. ELECTRICAL COMPONENTS Sky-Tec Starter and Attaching Parts...... - Alternator Assembly and Belt...... - Alternator Mounting and Attaching Parts...... -. OIL SUMP AND INDUCTION SYSTEM Oil Sump Assembly and Oil Suction Screen...... - Intake Pipes and Attaching Parts... - Fuel Injector, Fuel Manifold and Brackets...... - Fuel Lines, Fuel Hoses and Attaching Parts...... -7 7. SERVICE KIT SECTION... 7-. NUMERICAL INDEX... - ii
Oversize and Undersize Parts Listing PART No. 0 79 979 707 70 7-S 70 7 7-S 77-S LW-997 LW-79 LW- LW-7 H90 A9 Description GUIDE BUSHING INSERT DOWEL SEAT SEAT BUSHING GUIDE RING BUSHING BUSHING SEAL SEAL BEARING BEARING RING BEARING Oversize P0 P0 P0 P P0 P0 P0 P0.00.00.00.0.00.00.00.00 See Latest Edition of Service Instruction No.. X X X X X X X X X X X X X See Latest Edition of Service Instruction No.. X X X X X X X X See Latest Edition of Service Instruction No.. See Latest Edition of Service Instruction No.. X X X X X I I I I Undersize M0 M0 M0.00.00.00 X* X X* X* X X X* X* * Also available in P oversize. In addition to the above, studs are available in P0, P07 & P. NOTE When ordering oversize and undersize parts, be sure to specify the required oversize and undersize dimension along with the proper part number. For example, to order bearing LW- in.00 undersize, order part number LW--M0. Oversize code letter is "P" while undersize code letter is "M". These letters are then followed by the number designating the size in thousandths of an inch. iii
CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE ASSEMBLY FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 D9 7 0- - D-7 LW-79 C- C- - STD-7 STD- STD- 979 C-7 7 0 STD-9 CRANKCASE ASSEMBLY STUD. /- x 0-/ long STUD, /- x -7/ long STUD. /- x -/ long STUD. /- x -/ long, drilled STUD. /- x / long, drilled STUD. /- x -/ long STUD. /- x -/ long STUD. /- x -/ long DOWEL, / dia. x / long, hollow DOWEL, / dia. x / long INSERT, /-0 Helicoil x / long DOWEL, Crankshaft bearing STUD, /- x -/ long BUSHING, Governor drive idler shaft PLUG, /-7 NPT, Allen head PLUG, /-7 NPT, Allen head This crankcase assembly is not available as a service item. Refer to Service Kits, Section 7, for applicable Crankcase Assembly and Governor Stud Kit Part Number. -
7 Figure. CRANKCASE ASSEMBLY -
CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP OIL LEVEL GAGE ASSEMBLY AND CRANKCASE RELATED PARTS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 77 709 70 LW-7-0-B 0* * 777* LW-7* LW-0* 0E979-. 770 LW-7 LW- A9 LW-79** LW-997** 707 709 777 TUBE, Oil level gage, long GASKET, Oil level gage RING, Oil level gage seal GAGE ASSEMBLY, Oil level BALL, / diameter SPRING, Oil pressure relief valve SPRING, Oil pressure relief valve SPRING. Oil pressure relief valve SPRING, Oil pressure relief valve SPRING, Oil pressure relief valve GASKET, -/ I.D. x -/ O.D. x / annular VALVE ASSY., Oil pressure relief valve, adi. BEARING, Crankshaft BEARING, Crankshaft, front BEARING, Crankshaft, front (alternate) SEAL, Crankshaft oil, solid SEAL, Crankshaft oil, split SEAL, Oil, / section x 7/ I.D. RING, Oil seal, / I.D. x 7/ dia. BODY, Hydraulic tappet * Select spring to give a minimum of three threads exposed on adjusting screw to allow field adjustment. Reference latest revision of Textron Table of Limits SSP-77, Part I for spring Identification. ** See latest edition of Textron Service Instruction No. for installation. -
TEXTRON Figure. OIL LEVEL GAGE ASSEMBLY AND CRANKCASE RELATED PARTS -
TEXTRON CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKSHAFT AND COUNTERWEIGHT ASSEMBLY AND RELATED PARTS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 B7 0 7-S 7-S 77-S STD-0 STD- LW-97 790-A W9 7797 LW-0 7907 S9* LW-9 STD- 7977 7 CRANKSHAFT AND BUSHING ASSEMBLY PLUG, -/ O.D. BUSHING. Propeller flange, long BUSHING, Propeller flange, short BUSHING, Propeller flange, indexing DOWEL, Stepped. / & / dia. x / long PLUG,.00 dia. expansion COUNTERWEIGHT ASSEMBLY BUSHING. Dynamic counterweight ROLLER. Dynamic counterweight.. th order ROLLER. Dynamic counterweight... order RING. Internal retaining WASHER. Dynamic counterweight GEAR. Crankshaft LOCKPLATE. Crankshaft gear SCREW. /- x.00 long SUPPORT ASSY.. Starter ring gear, / pitch GEAR, Starter ring * See latest edition of Textron Service Bulletin No. 7 for proper installation. -
TEXTRON 7 - - 0, - INDEX Figure. CRANKSHAFT AND COUNTERWEIGHT ASSEMBLY AND RELATED PARTS -
IO-0-BlG PARTS CATALOG CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKSHAFT IDLER GEARS, TACHOMETER DRIVE AND CAMSHAFT FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 799 7709 707 7709 7 LW-7 STD- LW-79 LW-H0. STD- LW- 7 PLUNGER, Fuel pump, long GEAR ASSY.. Crankshaft idler, plain BUSHING, Crankshaft idler gear GEAR ASSY., Crankshaft idler BUSHING, Crankshaft idler gear SHAFT ASSY., Tachometer PIN, / dia. x -/ long RING, Internal retaining SHAFT. Crankshaft idler gear BOLT, /- x 7/ long, hex. hd., dr. NUT. /- NC- slotted shear CAMSHAFT ASSEMBLY SPACER, Tach. shaft centering -7
TEXTRON 0 Figure. CRANKSHAFT IDLER GEARS, TACHOMETER DRIVE AND CAMSHAFT -
CRANKCASE, CRANKSHAFT AND CAMSHAFT GROUP CRANKCASE ATTACHING PARTS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 9 0 LW--.0 LW--.00 STD- 00 LW--.7 LW--. STD-0 STD- LW-S.0 STD- STD-09 STD- AN90-L STD-7 AN-A LW-* STD-** STD-7+ STD-9 70 BOLT, /-0 x -/ long. hex. hd. BOLT, /-0 x.00 long, hex. hd. WASHER, / plain STRAP. Lifting BOLT, /-0 x -/ long, hex. hd. BOLT, /-0 x -/ long, hex. hd. WASHER, / lock, internal teeth NUT. /-0 plain BOLT, /-0 x -/ long, hex. hd., dr. end WASHER, / plain (Max. 9) NUT, /-0 slotted shear WASHER, / plain, / thick WASHER, / plain, / thick NUT, /- slotted BOLT, /- x -7/ long, hex. hd. SPACER. Nut compressor WASHER, / plain WASHER. / lock, internal teeth NUT, /- plain STUD, /-0 x 0-/ long 9 AR * Install at lower front main bearing hole on right crankcase side. Use with P/N STD-9. required under head of P/N AN-A bolt, used with P/N LW- spacer. -9
TEXTRON Lycomlng,,7,,,7,,,7 9,0 9,0, Figure. CRANKCASE ATTACHING PARTS -0
TEXTRON ACCESSORY HOUSING AND RELATED PARTS ACCESSORY HOUSING ASSEMBLY FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 7 A-0 C- 7 C-9 C- CD-7 0 STD-7 GASKET. Accessory housing HOUSING ASSY.. Accessory STUD. /- x -/ long STUD. /-0 x -/ long STUD. /- x -/ long STUD. /-0 x -/ long STUD. /- x -/ long. drilled PLUG. /-7 NPT. Allen head PLUG, /- NPT, Allen head -
TEXTRON Figure. ACCESSORY HOUSING ASSEMBLY -
ACCESSORY HOUSING AND RELATED PARTS OIL PUMP AND ACCESSORY HOUSING ATTACHING PARTS FIG REF. 7 PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 0K9-S* 7 STD- STD-0 LW-0 STD- STD-0 LW--0.9 LW--. LW--.0 BODY ASSY.. Oil pump OIL PUMP IMPELLER KIT SHAFT. Oil pump drive WASHER. / plain NUT. /- slotted SEAL. Tachometer drive, oil WASHER. / plain WASHER. / lock. internal teeth BOLT. /-0 x / long, hex. hd. BOLT. /-0 x -/ long, hex. hd. BOLT, /-0 x -/ long, hex. hd. 9 * See latest edition of Textron Service Bulletin No.. -
7,,9 7,, Figure 7. OIL PUMP AND ACCESSORY HOUSING ATTACHING PARTS -
ACCESSORY HOUSING AND RELATED PARTS FUEL PUMP AND PROPELLER GOVERNOR DRIVE (CRANKCASE) AND COVERS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 9 0 009 LW-7 STD- STD- 9 90 STD- STD-7 STD-0 777 LW-0 777 777 STD-9 STD-79 79 70 7 7 0L ANB 0H 70 LW-9 70 77 STD- STD-7 STD-0 GASKET. Fuel pump FUEL PUMP. Dual diaphragm () WASHER, / plain SCREW, /- x -9/ long, socket dr. GASKET. Accessory drive adapter COVER, Governor drive adapter pad WASHER. / plain WASHER, / lock, internal teeth NUT, /- plain GEAR. Propeller governor driven SHAFT, Propeller governor idler gear GEAR ASSY., Propeller governor idler BUSHING, Propeller governor idler gear DOWEL. / dia. x 7/ long DOWEL. / dia. x 9/ long WASHER, Thrust (.0 -.09 thick) WASHER. Thrust (.0 -.0 thick) WASHER, Thrust (.0 -.0 thick) WASHER, Thrust (.09 -.070 thick) WASHER. Thrust (.0 -.0 thick) SET SCREW, No. 0- x / long GASKET. / I.D. x -/ O.D. x / thick PLUG, /- hex. hd. GASKET. Governor drive COVER. Governor drive WASHER, / plain WASHER. / lock, internal teeth NUT, /- plain AR AR AR AR AR I -
TEXTRON - - - 9 Figure. FUEL PUMP AND PROPELLER GOVERNOR DRIVE (CRANKCASE) AND COVERS -
ACCESSORY HOUSING AND RELATED PARTS VACUUM PUMP DRIVE AND COVER FIG REF. 9 PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 09 STD-77 0A99 7970 79 00 STD- STD-0 STD- GASKET. Vacuum pump ADAPTER ASSY.. Vacuum pump PIN, / dia. x / long OIL SEAL. 7/ I.D. x -/ O.D. x / wide GEAR ASSY.. Vacuum pump driven WASHER, Accessory drive gear GASKET, Vacuum pump COVER. Vacuum pump WASHER. / plain WASHER, / lock, internal teeth NUT, /-0 plain -7
TEXTRON Figure 9. VACUUM PUMP DRIVE AND COVER -
ACCESSORY HOUSING AND RELATED PARTS OIL FILTER ASSEMBLY, OIL COOLER BYPASS VALVE AND BREATHER FITTING FIG REF. 0 PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 LW-79* 77 LW- STD- STD-0 STD- STD- E 70 C-0 0E979-0. 7 STD-7 MS0- AN- OD GASKET, Oil filter adapter OIL FILTER BASE ASSEMBLY OIL FILTER, Short, Spin-on WASHER, / plain WASHER. / lock, internal teeth NUT, /-0 plain SCREW, /-0 x.00 long. hex. hd. VALVE ASSY., Temp. control oil cooler bypass GASKET. Valve assembly STUD, /-0 x -/ long GASKET, 7/ O.D. x / I.D. x / annular PLUG, Oil cooler bypass PLUG, /- NPT, Allen head ELBOW, / NPT. / flared tube ELBOW, Pipe * Extra gasket, shipped as loose part, with engine. NOTE Reference latest edition of Textron SSP- for oil filter kits and replacement filters. -9
TEXTRON 7 Figure 0. OIL FILTER ASSEMBLY, OIL COOLER BYPASS VALVE AND BREATHER FITTING -0
TEXTRON ming CYLINDER, PISTON AND VALVE TRAIN CONNECTING RODS, PISTONS AND RING ASSEMBLIES FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 LW-70-S LW-9 70 LW- LW- 709 LW-077* 79* 7 H90 CONNECTING ROD ASSEMBLY BUSHING. Connecting rod, upper BOLT. Connecting rod NUT. Connecting rod bolt BEARING. Connecting rod PISTON. Compression ratio,.0: PIN. Piston PLUG. Piston pin RING, Piston compression RING, Piston, oil regulating, expander type * See latest edition of Textron Service Instruction No. 7. -
TEXTRON 0 Figure. CONNECTING RODS, PISTONS AND RING ASSEMBLIES -
IO-0-BlG PARTS CATALOG CYLINDER, PISTON AND VALVE TRAIN CYLINDER ASSEMBLY FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 LW-7 707 70 * R9* 79 STD- C- C- MS0-D 0 0 77 STD- STD-7 STD-0 CYLINDER AND HEAD ASSY., Nitrided SEAT. Intake valve SEAT, Exhaust valve GUIDE, Valve, intake, flanged GUIDE. Valve, exhaust, flanged INSERT. Spark plug. -. MM INSERT. No. 0- Helicoil x / long STUD. /- x -/ long STUD. /-0 x.00 long ELBOW,, / flared tube BUSHING, Rocker shaft PLUG. /-7 NPT, Allen head GASKET. Exhaust flange WASHER, / plain WASHER, / lock, internal teeth NUT, /- plain * See latest edition of Textron Service Instruction No.. -
TEXTRON Figure. CYLINDER ASSEMBLY -
TEXTRON CYLINDER, PISTON AND VALVE TRAIN CYLINDER RELATED PARTS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 F997-* F997-* F997-* F997-7* 7F97** 77 LW-790 LW-9 7 77 -B STD-090 ROD ASSY.. Push (A total of required) ROD ASSY.. Push (A total of required) ROD ASSY.. Push (A total of required) ROD ASSY.. Push (A total of required) ROCKER ASSY.. Valve BUSHING. Valve rocker SHAFT. Valve rocker THRUST BUTTON. Rocker shaft RING. Oil seal, / dia. x -7/ long SPACER. / I.D. x 7/ O.D. x / thick NUT. /- plain NUT, /-0 plain AR AR AR AR * See latest edition of Textron Service Instruction No. 00 for complete push rod application. ** Due to the size of the area where the part number Is stamped, the last five digits may be all that is shown (97). -
TEXTRON - Figure. CYLINDER RELATED PARTS -
CYLINDER, PISTON AND VALVE TRAIN VALVE ASSEMBLY FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 9 79 LW-900 LW-79 LW-00 LW- LW-0077 LW-7 0009 7C9 7C9 790 B9 LW- LW-99 LW-7 STD- LW- 700 VALVE, Intake VALVE, Exhaust (rotator type) SPRING, Valve, inner SPRING, Valve, outer SEAT, Valve spring, lower intake SEAT, Valve spring, lower exhaust SEAT, Valve spring, upper intake SEAT, Valve spring, upper exhaust (rotator type) KEY, Valve, intake KEY, Valve, exhaust (rotator type) CAP, Valve stem, exhaust (rotator type) PLUNGER ASSY.. Hydraulic tappet SOCKET, Hydraulic tappet SHROUD TUBE ASSY.. Push rod SPRING. Shroud tube LOCKPLATE, Shroud tube NUT, /-0 plain SEAL, Shroud tube SEAL, Shroud tube -7
N N 9 7 9- Figure. VALVE ASSEMBLY -
CYLINDER, PISTON AND VALVE TRAIN CYLINDER HEAD DRAIN TUBES, INTERCYLINDER COOLING BAFFLES AND ROCKER BOX COVERS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 STD- STD- LW-9--0 79 70 7 79 7 70 790 7 STD-9 NIPPLE, Straight, / I.D. hose HOSE, / x -/ long CLAMP, Hose TUBE ASSY., Cyl. head oil drain, cyl. no. TUBE ASSY., Cyl. head oil drain, cyl. no. TUBE ASSY., Cyl. head oil drain, cyls. no. & BAFFLE ASSY., Intercylinder RETAINER, Intercylinder baffle HOOK, Intercylinder baffle retainer GASKET, Rocker box cover COVER, Rocker box SCREW, /-0 x / long, pan. hd., self-locking -9
IO-0-BlG PARTS CATALOG 7,, Figure. CYLINDER HEAD DRAIN TUBES, INTERCYLINDER COOLING BAFFLES AND ROCKER BOX COVERS -0
TEXTRON IGNITION SYSTEM LASAR MAGNETOS, MAGNETO DRIVES, SLICK HARNESSES AND SPARK PLUGS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 ** ** *** STD-7 C9 LW-70 LW- K + K + STD- 7P0 + 7P09 + M9 STD-7 STD-0 -E7* Y0 SLC-0-0 0P97-- GEAR. Magneto. impulse coupling COTTER PIN. / dia. x / long GEAR. Magneto GASKET. Magneto adapter ADAPTER. Magneto. impulse coupling GASKET. Magneto MAGNETO. Lasar. Left (77) MAGNETO. Lasar. Right (770) WASHER, / plain HARNESS ASSY.. Right, Slick Model M-990 HARNESS ASSY.. Left. Slick Model M-99 CLAMP. Magneto WASHER. / lock, internal teeth NUT. /- plain SPARK PLUG. Champion (REME) or Auburn (SR) HARNESS ASSY.. Laser (LH-00-) CONT.. Lasar (V) BAG, Magneto harness attaching * Item No. spark plugs are used in current production only. Additional spark plugs are available for this engine. See latest edition of Textron Service Instruction No. 0 for complete listing of all approved spark plugs. ** Ship loose with engine. *** See page - for a breakdown of individual parts contained in the magneto and harness attaching parts bag. These parts to be attached by customer per engine line drawing included in each bag. + A P/N L-0 Lasar Instruction Manual is included. -
- - 0 P/N 0P97-- Shipped Loose -- LW--- LW-00 STD- STD-0 STD-7 77 LW---0 STD- STD-9 STD-9 LW-M-7 CLIP, One wire CLIP, Two wire WASHER, / plain WASHER, / lock SCREW, /-0 x / long ZIP STRAP CLAMP NUT, /-0 plain WASHER, / plain (thin) SCREW, /-0 x -/ long PLATE, Spark plug cable Figure. LASAR MAGNETOS, MAGNETO DRIVES, SLICK HARNESSES AND SPARK PLUGS -
TEXTRON IGNITION SYSTEM SLICK MAGNETOS, MAGNETO DRIVES, SLICK HARNESSES AND SPARK PLUGS FIG REF. A PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 ** STD-7 C9 LW-70 LW- GP-OSANN GCSFNN STD- 7P0 7P07 M9 STD-7 STD-0 -E7* 0P97--9 GEAR. Magneto. impulse coupling COTTER PIN. / dia. x / long GEAR. Magneto GASKET. Magneto adapter ADAPTER. Magneto. impulse coupling GASKET. Magneto MAGNETO. Slick. Plain (70) MAGNETO. Slick. Impulse (7) WASHER. / plain HARNESS ASSY.. Right. Slick Model M-9 HARNESS ASSY.. Left. Slick Model M-9 CLAMP. Magneto WASHER. / lock. internal teeth NUT. /- plain SPARK PLUG. Champion (REME) or Auburn (SR) BAG, Magneto harness attaching * Item No. spark plugs are used in current production only. Additional spark plugs are available for this engine. See latest edition of Textron Service Instruction No. 0 for complete listing of all approved spark plugs. ** See page - for a breakdown of individual parts contained in the magneto and harness attaching parts bag. These parts to be attached by customer per engine line drawing included in each bag. -
TEXTRON 7 LW--- LW-00 STD- STD- 7 77 LW---0 STD- STD-9 STD-9 STD-9 7 7 STD-9 STD- STD-70 LW-M-7 P/N 0P97--9 CLIP, One wire CLIP, Two wire WASHER, / plain SCREW, /-0 x / long ZIP STRAP CLAMP NUT, ¼/-0 plain WASHER, / plain (thin) SCREW, /-0 x -/ long SCREW, /-0 x / long BRACKET BRACKET SCREW, No. 0- x / long WASHER, No. 0 plain LOCKNUT, No. 0- PLATE, Spark plug cable Figure A. SLICK MAGNETOS, MAGNETO DRIVES, SLICK HARNESSES AND SPARK PLUGS -
ELECTRICAL SYSTEM SKY-TEC STARTER AND ATTACHING PARTS FIG REF. 7 PART NUMBER DESCRIPTION QTY. PER ASSY. B0 STD-7 LW--.09 STD-0 STARTER, Sky-Tec (9 - LS) WASHER. / lock, internal teeth BOLT, /- x -/ long. hex. hd. NUT, /- plain NOTE See latest edition of Textron Service Instruction No. for complete listing of FAA approved starters, generators, alternators, regulators and relays. Figure 7. SKY-TEC STARTER AND ATTACHING PARTS -
TEXTRON ELECTRICAL SYSTEM ALTERNATOR ASSEMBLY AND BELT FIG. REF. PART NUMBER DESCRIPTION QTY. PER ASSY. C C0 B0 7A977M9 ALTERNATOR ASSY.. volt. 90 amp. ALTERNATOR. Electrosvstems (ES 0-LS) PULLEY. Alternator. dual belt BELT, Alternator drive, / wide NOTE See latest edition of Textron Service Instruction No. for complete listing of FAA approved starters, generators, alternators, regulators and relays. Figure. ALTERNATOR ASSEMBLY AND BELT -
ELECTRICAL SYSTEM ALTERNATOR MOUNTING AND ATTACHING PARTS FIG REF. 9 PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 9 0 7 07A LW-H0. STD- 07A7 STD-77 LW-7 LW-9 LW-H. LW-9 70 79 MS - LW-9 77 779 LW- STD-9 STD- STD- STD- 07F0 STD- LW-H0. STD- LW-0 AN7- AN0-7 STD-7 BRACKET, Alternator BOLT, /- x 7/ long, hex. hd., drilled WASHER, / plain BRACKET, Alternator belt, adj. WASHER, Plain, / I.D. x / O.D. x / thick SHIM, / O.D. x / I.D. x.00 thick SHIM, / O.D. x / I.D. x.00 thick BOLT, /- x -7/ long, hex.hd., drilled PULLEY & SHAFT ASSY., Alternator PULLEY, Alternator idler, dual BALL BEARING, Double row, alternator RING, Internal retaining, -/ dia. SHAFT, Alternator dual belt idler LOCKWASHER, Alternator idler pulley bearing LOCKNUT, Alternator idler pulley bearing SHIELD. Alternator idler bearing WASHER, / I.D. x.00 O.D. x / thick NUT, /-0 self-locking WASHER. / plain BOLT, /- x -/ long, hex. hd. STRUT, Alternator support WASHER, / plain BOLT, /- x 7/ long, hex. hd., drilled WASHER, 7/ plain SHIM, 7/ O.D. x / I.D. x.00 thick BOLT, 7/-0 x -/ long, hex. hd. NUT, 7/-0 plain, slotted COTTER PIN, / dia. x / long -
TEXTRON - - Figure 9. ALTERNATOR MOUNTING AND ATTACHING PARTS -
OIL SUMP AND INDUCTION SYSTEM OIL SUMP ASSEMBLY AND OIL SUCTION SCREEN FIG REF. 0 PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 LW- 777 90 00 C- STD- STD- STD-0 LW--0.9 LW--. STD- STD- LW--. STD-0 70 0E979-.00 LW- GASKET. Oil sump SUMP ASSEMBLY. Oil CONNECTION. Intake pipe STUD. /-0 x -/ long STUD. /- x.00 long PLUG, /- NPT, Sq. hd.. drilled WASHER. / plain WASHER. / lock. internal teeth BOLT, /-0 x / long, hex. hd. BOLT, /-0 x -/ long, hex. hd. NUT, /-0 plain WASHER, / plain BOLT, /-0 x -/ long. hex. hd. NUT. /-0 self-locking SCREEN. Oil suction GASKET,.00 I.D. x -/ O.D. x / annular PLUG, / hex. hd. x.00-0 thread 7 9 7 7 -
TEXTRON 7 \ C - -7 7-0 Figure 0. OIL SUMP ASSEMBLY AND OIL SUCTION SCREEN -
OIL SUMP AND INDUCTION SYSTEM INTAKE PIPES AND ATTACHING PARTS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 77 77 90 LW-9-- 797 7 STD- STD-0 LW--. 0 PIPE, Intake, cylinders no. & PIPE. Intake, cylinders no. & HOSE, -/ I.D. x -/ O.D. x -/ long CLAMP. Hose GASKET. bolt flange. -/ I.D. FLANGE, Intake pipe, upper WASHER, / plain WASHER. / lock, internal teeth BOLT. /-0 x -/ long, hex. hd. PLUG, / pipe -
TEXTRON Figure. INTAKE PIPES AND ATTACHING PARTS -
OIL SUMP AND INDUCTION SYSTEM FUEL INJECTOR, FUEL MANIFOLD AND BRACKETS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 7 7 70 STD- STD-7 STD-0 LW- 70 AN- STD- 0 0G 777 STD- STD- STD-0 LW--0.0 GASKET, Fuel injector SPACER. Fuel injector FUEL INJECTOR, (97-0) WASHER, / plain WASHER, / lock, internal teeth NUT, /- plain NOZZLE. Injection MANIFOLD ASSY.. Fuel NIPPLE, / NPT to / tube NIPPLE. Union, / NPT PLUG. /-7 NPT. Allen NIPPLE. / tube to / NPT, restricted BRACKET, Fuel manifold WASHER, No. 0. internal lock SCREW. No. 0- x / long, fill. hd. WASHER. / lock, internal teeth BOLT, /-0 x / long, hex. hd. -
-0 Figure. FUEL INJECTOR, FUEL MANIFOLD AND BRACKETS -
OIL SUMP AND INDUCTION SYSTEM FUEL LINES, FUEL HOSES AND ATTACHING PARTS FIG REF. PART NUMBER DESCRIPTION QTY. PER ASSY. 7 9 0 LW-09-0-0 LW-09-0-0 LW--0-7 LW--0- STD-0 STD-70 7 LW-* 7070* 777 LW-79-S0 7 LW---0 STD-0 STD- STD-70 TUBE ASSY., Fuel manifold to nozzles, cyl. & TUBE ASSY.. Fuel manifold to nozzles, cyl. & CLAMP CLAMP. / dia. for No. 0 screw SCREW, No. 0- x / long, fill. hd. LOCKNUT. No. 0- BRACKET. Extension, fuel inj. line NIPPLE, / flared tube. 9/- ELBOW. / flared tube & 9/- TUBE ASSY.. Fuel pump to injector HOSE ASSY.. / hose, straight (inj. to man.) BRACKET. Support clamp, 90 CLAMP SCREW. No. 0- x / long, fill. hd. WASHER. No. 0 plain LOCKNUT, No. 0- * Requires P/N MS9-0 O-ring. -7
TEXTRON - Figure. FUEL LINES, FUEL HOSES AND ATTACHING PARTS -
SERVICE KIT SECTION... SEAL AND GASKET SET Part No. Part Name Qty. 79- AN90-A LW-0 LW-7 LW- LW-79 LW- LW-79 LW-0 LW-99 LW-9 LW- LW-99 STD-7 STD- 0A99 0E979-0. 0E979-.00 0E979-. 9-C 009 7 9 9 9 700 70 7 797 70 709 707 707 709 70 7 79 79 7 77 7 70 SEAL & GASKET SET GASKET, Metal tube connect seal LOCKPLATE, Crankshaft gear LOCKPLATE, Shroud tube GASKET, Magneto GASKET, Oil filter adapter GASKET, Oil sump SEAL, Crankshaft oil SEAL, Tachometer drive SPRING, Shroud tube LOCKPLATE, Crankshaft gear SEAL, Shroud tube GASKET, Exhaust flange WASHER, / lock, internal teeth SEAL, Oil SEAL, Oil GASKET GASKET GASKET GASKET, Fuel pump GASKET, Fuel pump GASKET, Oil pressure housing GASKET, Accessory adapter GASKET, Magneto adapter GASKET, Carburetor GASKET, Accessory drive GASKET, Fuel pump adapter SPACER GASKET, Accessory drive SEAL, Shroud tube GASKET RING, Oil seal GASKET GASKET, Governor GASKET, Oil level gage SEAL, Oil LOCKPLATE RING, Oil seal GASKET, Oil level gage RING, Oil seal LOCKPLATE GASKET LOCKPLATE LOCKPLATE GASKET, Accessory housing RING, Oil level gage seal 7-
PartNo. 79-70 790 70 790 77 77 SEAL & GASKET SET (CONT.) AND SERVICE KIT SECTION... CYLINDER, PISTON AND RING ASSY. KIT Part Name SEAL & GASKET SET (Cont.) RING, Oil level gage plug GASKET, Rocker box cover GASKET, Oil cooler bypass SEAL, Crankshaft oil GASKET, Carburetor GASKET, Exhaust flange GASKET, Vacuum pump Qty. 0K0 LW-7 LW-900 79 LW-00 LW-79 LW-0077 LW-7 LW- 0009 7C9 7C9 709 7 H90 LW-077 0 7 LW- 700 790 79 77 797 LW-7 KIT, CYLINDER, PISTON AND RING ASSY. CYLINDER ASSEMBLY VALVE, Exhaust VALVE, Intake SPRING, Valve, outer SPRING, Valve, inner SEAT, Valve spring, upper intake SEAT, Valve spring, upper exhaust SEAT, Valve spring, lower intake SEAT, Valve spring, lower exhaust KEY, Valve, intake KEY, Valve, exhaust CAP, Valve steam, exhaust PISTON RING, Piston, compression RING, Piston, oil regulating PIN, Piston PLUG, Piston pin RING, Oil seal SEAL, Shroud tube SEAL, Shroud tube GASKET, Rocker box cover PLUG, Piston pin GASKET, Exhaust GASKET, Intake LOCKPLATE, Shroud tube 7-
SERVICE KIT SECTION...CRANKCASE ASSY. AND THRU STUD KIT Part No. Part Name Qty. D9-S I D9* C- 70 77 ANB 0-H ANB 0-H STD-090 SSP- SSP-7 SSP-79 CRANKCASE ASSY. AND THRU STUD KIT CRANKCASE ASSEMBLY STUD (AN Governor) THRU STUD SPACER SET SCREW, No. 0- x / long SET SCREW, No. 0- x / long NUT TAG, Thin wall bearings TAG, Governor drive idler shaft TAG, Governor drive pad studs * See Figure, Page - for component parts. 7-
WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. AN0-7 ANB 0H AN-A AN7- AN- AN-OD AN90-L LW--0.0 LW--0.9 LW--0.9 LW--. LW--. LW--. LW--. LW--. LW--.0 LW--.0 LW--.7 LW--.00 LW-S.0 LW--.09 LW-H0. LW-H0. LW-H. LW-0077 LW- LW- LW-7 LW-70-S LW-79 LW-00 LW- LW-997 LW-09-0-0 LW-09-0-0 LW- LW-7 LW-7 LW- LW- LW- Nut Set Screw Bolt Bolt Nipple Elbow Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Bolt Seat Shroud Tube Assy. Shield Spring Conn. Rod Assy. Spring Spring Spacer Seal Tube Assy. Tube Assy. Nut Lockplate Cyl. & Head Assy. Plug Gasket Gasket - - -9 - - -9-9 - - - -9 - - - - -9 - -9-9 -9 - -7 - - -7-7 - - - -7-7 -9 - -7-7 - -7 - - - - LW-70 LW-70 LW-79 LW-79-S0 LW-9 LW- LW- LW- LW- LW-790 LW-79 LW-79 LW-79 LW- LW-9 LW-9 LW-0 LW-077 LW-0 LW-7 LW-9 LW-0 LW-0 LW-99 LW-7 LW-9--0 LW-9-- LW--0- LW--0-7 LW---0 LW-7 LW- LW-7 LW-7- LW-0 LW- LW-9 LW- LW-7 LW- LW-900 Adapter Adapter Gasket Hose Assy. Thrust Button Oil Filter Seat Gasket Bearing Shaft Seal Stud Shaft Bearing Plug Bushing Shaft Pin Seal Shim Shim Shim Ring Spring Fuel Pump Clamp Clamp Clamp Clamp Clamp Seat Nipple Bearing Gage Assy. Spring Nozzle Lockplate Seal Pin Camshaft Assy. Valve - - -9-7 - -9-7 - - - - - -7 - - - - - - - - - - -7 - -9 - -7-7 -7-7 -7 - - - - - -7-7 -7-7 -
WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX (Continued) PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. LW-97 LW-9 LW-9 MS- MS0-D MS0- STD- STD- STD- STD- STD- STD- STD-9 STD- STD- STD- STD- STD- STD- STD- STD- STD- STD- STD- STD-0 STD-0 STD-0 STD-0 STD-0 STD-0 STD-0 STD- STD- STD-7 STD-7 STD-7 STD-7 STD-7 STD-7 STD- STD- Counterweight Assy. Shaft Pulley & Shaft Assy. Ring Elbow Elbow Dowel Screw Nipple Dowel Plug - - - - - -9-9 - -7-9 - - - -9 - - - - - - - - - - -9 - -7-9 - - - - -7 - - - - - - - - STD-7 STD-9 STD- STD-9 STD-70 STD-7 STD-9 STD-7 STD-7 STD-7 STD-7 STD-7 STD-79 STD-0 STD-7 STD-0 STD- STD-9 STD- STD-09 STD-0 STD-0 STD-0 STD-0 STD-0 STD-0 STD- STD- STD- STD- STD- STD-0 STD- STD- 77 STD-77 STD- STD- STD- STD- 9 STD-0 STD-090 Dowel Nut Locknut Nipple Cotter Pin Cotter Pin Cotter Pin Plug Plug Dowel Screw Nut Dowel Plug Plug Insert Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Insert Pin Hose Screw Screw Screw Nut Nut - -9 - - -7-9 -9 - - - - -9 - -7-9 - - - - -9 - - - - - - -9-7 -9-7 - - - - -7-9 -9 - -9 - - -
WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX (Continued) PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. STD- STD- STD- STD- STD- C- C-0 C- C- C- C- C- C-7 C-9 C- CD-7 - - D-7 0- -B 0-B 0 0 0 0 0 -E7 -E7 0009 009 00 00 0 09 7 7 00 0 Bolt Nut Screw Nut Ring Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Stud Nut Ball Plug Plug Plug Plug Plug Spark Plug Spark Plug Gasket Key Gasket Cover Lifting Strap Spring Adapter Assy. Shaft Gasket Cover Stud Plug - -7 - - -7 - -9 - - - - - - - - - - - - - - - - - - - - - - -7-7 - -7-9 - -7 - -7-9 - - 7 0 79 79 70 7 90 9 90 90 979 700 70 70 7 79 70 7 77 77 790-A 7907 797 70 707 70 709 707 709 7-S 7 79 Plunger Gear Gear Guide Gasket Gasket Plug Seat Gasket Bushing Insert Spring Tube Assy. Tube Assy. Tube Assy. Cover Gasket Connection Hose Dowel Seal Gasket Screen Ring Hook Retainer Intake Pipe Intake Pipe Bushing Gasket Gasket Seat Seat Gasket Seal Ring Bushing Bushing Piston Plug -7 - - - - - -9-7 - - - - -9-9 -9 - - - - - -7 - - - -7-9 -9 - - - - - - - - - - - - - - -
WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX (Continued) PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. 77 7 7797 7 777 7970 7 79 70 7 7 7 7 79 70 7070 7 77 7 77 7977 799 70 707 709 7 79 7-S 77-S 77 7 790 7 7 70 70 70 70 77 779 777 Cover Gear Roller Bracket Body Gear Assy. Bracket, Thrust, Thrust, Thrust, Thrust Flange Gasket Valve Ring Elbow Ring Bushing Spacer Spacer Support Assy. Gear Assy. Bolt Gear Assy. Piston Stud Baffle Assy. Bushing Bushing Tube Stud Gasket Spacer Shaft Assy. Stud Pulley Fuel Injector Gasket Lockwasher Locknut Tube Assy. - - - -7 - -7-7 - - - - - - -7 - -7 - - - - - -7 - -7 - - -9 - - - - -9-7 -7-9 - - -9 - - -7 7709 777 777 77 770 77 777 777 777 790 7 79 777 70 0L 0P97-- 0P97--9 0G 0K9-S 0A99 0E979-0. 0E979-.00 0E979-. 07A 07A7 07F0 D9 B7 S9 H90 W9 B9 F997- F997- F997- F997-7 R9 7C9 7C9 7F97 A9 Bushing Spring Bracket Gasket Valve Assy. Oil Filter Base Assy. Bushing Gear Assy. Gear Plunger Assy. Body Assy. Ball Bearing Sump Assy. Manifold Assy., Thrust Bag Attaching Bag Attaching Nipple Impeller Kit Oil Seal Gasket Gasket Gasket Bracket Bracket Strut Crankcase Assy. Crk'shft & Bush. Assy Gear Ring Roller Socket Rod Assy. Rod Assy. Rod Assy. Rod Assy. Guide Cap Key Rocker Assy. Bearing -7 - - - - -9 - - - -7 - - - - - - - - - -7-9 - - - - - - - - - - -7 - - - - - -7-7 - - -
WIDE CYLINDER FLANGE CRANKCASE MODEL ENGINE NUMERICAL INDEX (Continued) PART NO. PART NAME PAGE NO. PART NO. PART NAME PAGE NO. A-0 B0 C0 C B0 7A977M9 E GCSFNN GP-OSANN K K M9 M9 SLC-0-0 Y0 C- 7P0 7P07 7P0 7P09 C9 C9 Housing Assy. Starter Alternator Alternator Assy. Pulley Belt Valve Assy. Magneto, Slick Magneto, Slick Magneto, Lasar Magneto, Lasar Clamp Clamp Cont., Laser Harness Assy., Laser Stud Harness Assy. Harness Assy. Harness Assy. Harness Assy. Gear Gear - - - - - - -9 - - - - - - - - - - - - - - - -