11-18. ENGINE COOLANT HEATER EXHAUST PIPE REPLACEMENT

11-18. ENGINE COOLANT HEATER EXHAUST PIPE REPLACEMENT (Cont) - TM-9-2320-289-20_694

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 11-18. ENGINE COOLANT HEATER EXHAUST PIPE REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Materials/Parts General Safety Instructions • Five locknuts (all except M1009) • Allow exhaust system to cool before • Three locknuts (M1009) attempting to service. a. REMOVAL WARNING Before attempting to service any part of exhaust system, allow exhaust system to cool. Failure to follow this warning will result in serious burns. NOTE • If removing front exhaust pipe (7), perform steps 1 and 2. • If removing heat exchange pipe (12), perform step 3. • If removing rear exhaust pipe (21), perform steps 4-7. 1. Loosen clamp (2) and disconnect front exhaust pipe (7) from engine coolant heater (1). Remove nut (3) and clip (4) to free front exhaust pipe. Remove screw (6) and bracket (5) as required. TA50091 11-64

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