3-19. FUEL DRAINBACK PIPE ASSEMBLY REPLACEMENT

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 3-19. FUEL DRAINBACK PIPE ASSEMBLY REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Condition General Safety Instructions Alternators, alternator brackets, and DO NOT perform this procedure near mounting hardware removed (M1010). fire, flames, or sparks. (See paragraph 4-3) Allow engine to cool before replacing drainback pipe assembly and drainback hose. a. REMOVAL WARNING Diesel fuel is flammable. DO NOT perform this procedure near fire, flames, or sparks. A fire extinguisher must be on hand in work area. Failure to follow this warning may result in serious injury or death. Allow engine to cool before replacing drainback pipe assembly (5) and drainback hose (1). Failure to follow-this warning may result in serious burns. 1. Remove 2 clamps (9) and disconnect 2 drainback hoses (8). 2. Remove clamp (2) and disconnect fuel injector pump drainback hose (1). 3. Remove nut (7) and clip (6). Remove bolt (10) and clip (11). Remove bolt (4), clip (3), and drainback pipe assembly (5). b. INSTALLATION 1. Install drainback pipe assembly (5) with bolt (4) and clip (3), bolt (10) and clip (11), and nut (7) and clip (6). 2. Install 2 drainback hoses (8) with 2 clamps (9). 3. Install fuel injector pump drainback hose (1) with clamp (2). 3-58

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