TM 10-4320-344-244.4.16 CamshaftMaintenance,Model609-A.This task covers:4.4.16.1 Removal4 .4 .1 6 . 3 I n s t a l l a t i o n4 .4 .1 6 . 2 R e p a irINITIALSETUPToolsGeneral Mechanic’s Automotive Tool Kit,Appendix B, Section III, Item 1Goggles, Industrial, Appendix B,Section III, Item 2Gun, Air Blow, Appendix B, Section III,Item 2Torque Wrench, Appendix B, Section III,Item 2Arbor Press, Appendix B, Section III,Item 3Micrometer, Appendix B, Section III,Item 3Material/PartsAbrasive Cloth (Emery), Appendix C,Item 8Gloves, Appendix C, Item 11Grease (Engine Assembly), Appendix C,Item 13Oil, Appendix C, Item 15Rags, Appendix C, Item 20Material/Parts(Continued)Solvent, Dry Cleaning, Appendix C,Item 26Tags, Appendix C, Item 31Camshaft Gear (TM 10-4320-344-24P)Lock Washers (TM 10-4320-344-24P)Woodruff Key (TM 10-4320-344-24P)Equipment ConditionsOil Pump Assembly removed, paragraph3 .8 .13.Rocker Arm Assembly removed, paragraph3 .8 .17.Gear Housing Cover removed, paragraph4 .4 .4 .Bellhousing removed, paragraph 4.4.11.General Safety InstructionsDo not work on equipment that is notsecurely stabilized to prevent rollingo r s l i d i n g.Do not work on equipment without follow-ing standard shop safety practices.4.4.16.1 Removal.a .Place engine upside down, and support with suitable blocks so cylinder headstuds will clear.b .Push valve tappets (Figure 4-27, 1) down from camshaft assembly (2) and intoengine block (3).c .Rotate engine crankshaft (4) until two thrust plate mounting bolts (5) showthrough two holes in camshaft gear (6).d .Remove two bolts (5) and lock washers (7) that secure camshaft thrust plate(8) to engine block (3). Discard lock washers (7).Carefully remove camshaft assembly through bearings located in engine block.Failure to obey this caution may result in damage to the equipment.e .Pull camshaft assembly (2) forward out of engine block (3).f .Remove twelve valve tappets (1) from engine block (3). As each valve tappet(1) is removed, tag valve tappet (1) for location in engine block (3).g.Remove nut (9) that secures camshaft gear (6) to camshaft (10).4-55
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