TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-12. FUEL PUMP REPLACEMENT This task covers: a. Removal b. Disassembly c. Cleaning/Inspection d. Assembly e. Installation INITIAL SETUP MODELS EXPENDABLE/DURABLE SUPPLIES Fuel oil (App C, Item 21) Engine oil (App C, Item 16) Sealant (App C, Item 39) TOOLS AND SPECIAL TOOLS General mechanics tool kit (App B, Item 96) Oil seal remover (App B, Item 97) Installer handle (App B, Item 97) Adapter (App B, Item 97) Torque wrench (App B, Item 101) MANDATORY REPLACEMENT PARTS 1 Gasket (App F,ltem 72) 4 Lockwashers (App F,ltem 91) 1 Gasket (App F, Item 70) 2 Seals (App F, ltem 147) EQUIPMENT CONDITION Para Description 4-6 Fuel lines removed (7083-7395 and 7083-7398) 4-8 Thermostat housing and crossover tubes removed (Except on 7083-7391, 7083-7396, and 7083-7399) 5-4 Fuel lines removed (7083-7396 and 7083-7399) 5.1-4 Fuel lines removed (7083-7391) a. Removal (1) Remove three bolts (1)securing fuel pump assembly (2) and gasket (3) to governor. Remove fuel pump assembly and discard gasket. (2) Remove drive coupling fork (4) from drive shaft (5). b. Disassembly (1) (2) (3) (4) Place fuel pump assembly in a soft-jawed vise. Remove four bolt and Iockwasher assemblies (6) securing pump body cover (7) to fuel pump body (8). Remove four bolts (9) and four Iockwashers (10) securing pump body cover (7) to fuel pump body (8). Separate cover and body. Discard Iockwashers. Remove drive shaft (5) and drive gear (11). Remove driven gear assembly (12). 4-40 Change 1