TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download

Page 122 of 670

TM 9-2815-202-34 4-9. WATER PUMP REMOVAL/lNSTALLATION This task covers: a. Removal b. Installation c. Gear Backlash Adjustment INITIAL SETUP MODELS MANDATORY REPLACEMENT PARTS 7083-7395 7083-7398 3 Lockwashers (App F, Item 94) 1 Seal ring (App F, Item 133) TOOLS AND SPECIAL TOOLS EQUIPMENT CONDITION General mechanics tool kit (App B, Item 96) Magnetic base dial indicator (App B, item 45) Torque wrench (App B, Item 101) Para Description 4-4 Fuel filter bracket removed 4-6 Fuel line clip removed 4-8 Water bypass tube removed 3-6 Water outlet removed a. Removal (1) Remove bolt (1), two bolts (2), three Iockwashers (3), and flat washer (4) securing water pump (5) to engine front cover (6). Discard Iockwashers. CAUTION Use care when removing water pump to prevent damage to gear teeth. (2) Remove water pump (5) from engine front cover (6). Remove seal ring (7) and discard. b. Installation (1) (2) (3) Affix seal ring (7) to back of water pump (5). Install water pump (5), alining gear teeth with drive gear in engine front cover (6). Install bolt (1), two bolts (2), three lock- washers (3), and flat washer (4) securing water pump (5) to front cover (6). Torque bolts to 46-50 Ib-ft (62-68 N-m). 4-20