b. INSTALLATION - TM-9-2320-289-20

11-16. ENGINE COOLANT HEATER REPLACEMENT

11-17. ENGINE COOLANT HEATER WIRING HARNESS REPLACEMENT

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 11-16. ENGINE COOLANT HEATER REPLACEMENT (Con’t). 2. Remove clamp (4) from clamp bracket (16). Remove 2 nuts (6) and Iockwashers (7), Remove clamp bracket. Remove 2 nuts (9), lockwashers (8), and mounts (15). Remove 2 nuts (13), Iockwashers (12), bolts (10), and washers (11). Remove heater bracket (14). Discard Iockwashers. b. INSTALLATION NOTE If installing engine coolant heater (1), perform step 2. 1. Install heater bracket (14) on fender with 2 washers (11), bolts (10), new Iockwashers (12), and nuts (13). Install 2 mounts (15) on heater bracket with 2 new Iockwashers (8) and nuts (9). Install clamp bracket (16) on mounts with 2 new Iockwashers (7) and nuts (6). Install heater clamp (4) through clamp bracket. 2. Position engine coolant heater (1), Connect exhaust pipe (3) and tighten clamp (2). Install 2 clamps (4) around engine coolant heater and tighten securely. Connect wiring harness assembly (5). Install engine coolant heater cover. FOLLOW-ON TASKS: • Install engine coolant heater fittings, (See paragraph 11-15) • Connect engine coolant heater fuel lines. (See paragraph 11-14) TA50088 11-61

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