TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 5-4. FUEL LINES This task covers: REPLACEMENT a. Removal b. Installation INITIAL SETUP MODELS TOOLS AND SPECIAL TOOLS 7083-7396 7083-7399 General mechanics tool kit (App B, Item 96) Torque wrench (App B, Item 101) a. Removal (1) (2) (3) (4) Remove bolt (1) and flat washer (2) securing fuel crossover return line clamp (3) to front of governor cover (4). Reinstall bolt and flat washer in governor cover. Disconnect fuel return crossover line (5) at elbows (6) on front of right and left cylinder heads. Remove crossover return line. Remove two bolts (7) and two flat washers (8) attaching fuel supply crossover line clamps (9) to rear of governor cover (4). Reinstall bolts and flat washers in governor cover. Disconnect fuel supply crossover line (10) at elbow (11) on front of left cylinder head and at tee (12) on front of right cylinder head. Remove supply crossover line. b. Installation (1) Connect one end of fuel supply crossover line (10) to elbow(11 ) at front of left cylinder head and connect other end to tee (12) at front of right cylinder head. Tighten connections. NOTE Drape and clip lines around governor cover. Do not mount lines over top of cover. (2) Secure fuel line clamps (9) on fuel supply crossover line (10) to rear of governor cover (4) by installing two bolts (7) and two flat washers (8) from governor cover. Torque bolts to 7-9 Ib-ft . (10-12 N-m). (3) Connect fuel return crossover line (5) to elbow connectors (6) at front of right and left cylinder heads. Tighten connections. (4) Secure fuel line clamps (3) on fuel return crossover line (5) to front of governor cover (4) by installing two bolts (1) and two flat washers (2) from governor cover. Torque bolts to 7-9 Ib-ft (10-12 N-m). END OF TASK 5-8.1 Blank/5-8.2 Change 1