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TM 9-2815-225-34&P 3-70.  CAM FOLLOWER ASSEMBLIES AND CAMSHAFT INSTALLATION THIS TASK COVERS: Installation INITIAL SETUP: APPLICABLE MODELS PERSONNEL REQUIRED All Automotive repairman MOS 63H SPECIAL TOOLS REFERENCES (TM) None None TEST EQUIPMENT TROUBLESHOOTING REFERENCES None Para. 2-8 MATERIALS/PARTS EQUIPMENT CONDITION Lubricant, high-pressure (Appendix C, Item 15) Camshaft and main bearing installed (para. 3-68). Gasket (as required) (15434) 3011878 (M915/Big Cam I) (M915/Big Cam I) SPECIAL ENVIRONMENTAL CONDITIONS Six lockwashers (15434) S604 Work area clean and away from blowing dirt and (M915/Big Cam I) dust. Gasket (15434) 3020000 (M915A1/Big Cam III) Gasket (as required) (15434) 3020001, GENERAL SAFETY INSTRUCTIONS 3020002, 3020003, 3020004 None (M915A1/Big Cam III) LOCATION/ITEM ACTION REMARKS Installation CAUTION The oil grooves on thrust washer must be installed facing camshaft gear or thrust washer failure will result. NOTE Four camshaft pilot tools, Part No. 3375268, may be used to assist with camshaft installation if available. 1. Thrust washer (3) a.  Coat both sides with high- pressure lubricant. b.  Slide over end of camshaft Ensure oil grooves in thrust (2) until seated next to camshaft washer (3) are toward camshaft gear (1). gear (1). 2. Camshaft (2) a.  Lubricate cam lobes with high- pressure lubricant. b.  Install on cylinder block (4) Be careful not to damage lobes on while rotating slowly. camshaft (2) or bushings on cylin- der block (4) during installation. c.  Line up timing mark "O" on camshaft gear (1) with timing mark "O" on crankshaft gear (9) and fully seat camshaft (2) and thrust washer (3) against cylinder block (4).  Remove camshaft pilot tools from camshaft (2) if utilized. d.  Check camshaft-to-crankshaft 3-558


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