TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 c. Gear Backlash Adjustment . (1) Remove five bolts (8), pump cover (9), and gasket (10). (2) Check gear backlash by installing a bolt or equivalent in impeller puller hole. Measure backlash with a dial indicator at this point. Backlash setting should be between 0.001 and 0.006 inch. If setting is not correct, loosen bolts (1 and 2); pivot water pump until proper setting is obtained. Tighten bolts (1 and 2). (3) Install gasket (10), pump cover (9), and five bolts (8). Torque bolts to 13-17 Ib-ft (1 8-23 N-m). END OF TASK FOLLOW-ON MAINTENANCE Para Description 4-8 Install water bypass tube 4-6 Install fuel line clip 4-4 Install fuel filter bracket 3-6 Install water outlet hose and elbow 4-21