TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9=2815-202-34 4-32. OIL PUMP REPLACEMENT This task covers : a. Removal b. Disassembly c. ‘Cleaning/inspection d. Assembly e. Installation ● INITIAL SETUP MODELS TOOLS AND SPECIAL TOOLS General mechanics tool kit (App B, [tern 96) Gear installer (App B, Item 55) Gear installer (App B, Item 56) Gear puller (App B, Item 70) Magnetic base dial indicator (App B, Item 45) Torque wrench (App B, Item 101) MANDATORY REPLACEMENT PARTS 7 Lockwashers (App F, Item 93) 2 Self-locking nuts (App F, Item 101) 2 Lockwashers (App F, Item 92) 1 Spring washer (App F, Item 168) f 1 Gasket (App F, Item 54) 2 Gaskets (App F, Item 55) EXPENDABLE/DURABLE SUP.PLIES Engine oil (App C, Item 16) Cleaning solvent (App C, Item 10) EQUIPMENT CONDITION Para Description 4-20 Oil pan removed 4-31 Oil pressure relief valve removed a. Removal m. ● (1) (2) (3) Remove two bolt and lockwasher I assemblies (1) securing two bracket assemblies (2) to rear bearing cap (3). 4, ““6$ Remove four nuts (4) and four Iockwashers (5) securing oil pump assembly (6) to main bearing caps (7). Discard Iockwashers. Lift oil pump assembly (6) off main bearing caps (7) and four studs (8). NOTE Mark quantity and location of shims on main bearing caps. Shims must be installed in same location as removed. (4) Fl~p~fi shims (9) from main bearing . . (5) If necessary, remove four studs (8) from main bearing caps (7). 4-124 Change 1