TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 4-43. WATER PUMP REPAIR This task covers : a. Disassembly b. Cleaning/Inspection c. Assembly INITIAL SETUP MODELS All TOOLS AND SPECIAL TOOLS General mechanics tool kit (App B, Item 96) Puller combination leg (App B, Item 68) Installer water pump drive gear (App B, Item 62) Adaptor (App D, Item 5) Torque wrench (App B, Item 101) MANDATORY REPLACEMENT PARTS 1 Gasket (App F, Item 38) 1 Locknut (App F, Item 88) 1 Seal (App F, Item 151) 1 Seal (App F, Item 155) EXPENDABLE/DURABLE SUPPLIES Cleaning solvent (App C, Item 10) Engine oil (App C, Item 16) Sealant (App C, Item 38) Compound (App C, Item 24) EQUIPMENT CONDITION Para Description 4-9 Water pump removed (7083-7395 and 7083-7398) 5-7 Water pump removed (7083-7391, 7083-7396, and 7083-7399) a. Disassembly (1) Remove five bolts (1) securing pump cover (2) and gasket (3) to pump body (4). Discard gasket. CAUTION When securing gear in vise, use care to prevent damaging gear teeth. (2) Secure gear (5) in vise. Remove locknut (6) and flat washer (7) from shaft (8). Remove locknut (3) Using puller (9), remove pump (4) (5) (6) impeller (10) from shaft (8). Insert snap ring pliers through gear (5). Remove lock ring (11) from groove on shaft (8). Remove gear and shaft as an assembly from pump body (4). Support gear (5) on arbor press. Place shaft (8) with threaded end facing downward. Using a 5/8 inch diameter bar, press shaft (8) off gear (5). Remove gear. 4-262 Change 1