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Publications 01.18.22

Service Bulletin No. 646

T-Bolt Clamp Inspection
Publications 12.21.21

Service Instruction No. 1586

Oil Filter Base Bypass Spring Replacement
Publications 12.17.21

Service Letter No. L288

Alternate Bolt Locking of Wastegate Solenoid Valve
Publications 12.15.21

Service Bulletin No. 647

Incorrect Markings on Service Tool# ST-310
Publications 12.07.21

Service Bulletin No. 648

Wastegate Solenoid Valve Inspection and Cleaning
Publications 11.22.21

Service Instruction No. 1582 A

Fuel Injector Replacement
Publications 11.22.21

Service Instruction No. 1573 E

Lycoming TEO-540 Engine Series Approved Engine Configurations
Publications 11.19.21

TEO-540-C1A Engine Installation & Operations Manual

DOCUMENT PART NO. IOM-TEO-540-C1A REV 4
Publications 11.19.21

TEO-540-C1A Illustrated Parts Catalog Rev 4

DOCUMENT PART NO. PC-TEO-540-C1A REV 4
Publications 11.19.21

TEO-540-C1A Engine Maintenance Manual Rev 4

DOCUMENT PART NO. MM-TEO-540-C1A REV 4
Publications 11.19.21

Service Instruction No. 1585

Oil Cooler Bypass Valve Assembly Replacement
Publications 11.19.21

Service Instruction No. 1532 M

Approved Fuel Injectors, Fuel Manifold Assemblies, and Fuel Nozzle Assemblies for Lycoming Engines
Publications 10.06.21

Special Service Publication No. SSP-112-12

INDEX OF SERVICE BULLETINS, SERVICE INSTRUCTIONS AND SERVICE LETTERS
Publications 10.06.21

Service Letter No. L114BJ

Reciprocating Engine and Accessory Maintenance Publications
Publications 09.24.21

Service Bulletin No. 645

Small End Connecting Rod Bushing Inspection
Publications 09.16.21

Service Bulletin No. 643

Crankcase Nut Safety Wire Inspection
Publications 08.27.21

Service Letter No. L285

Change in cylinder configuration for O-235-C, -E, and -H Series engines
Publications 08.27.21

Service Instruction No. 1037 Y

Approved Pistons, Rings, Cylinders, and Gasket Set Application for Use on Lycoming Aircraft Engines
Publications 08.17.21

Service Letter No. L287

Increased Fuel Economy and Improved Manifold Pressure Stability
Publications 07.21.21

Service Instruction No. 1280D

Rotator Type Intake Valves

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