TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 94350-311-20-1 11-20 PERSONNEL HEATER This task covers: a. Removal b. Installation General mechanic's tool kit (item 64, Appx H) Lockwashers (4) (item 86, Appx G) Torque wrench (item 72, Appx H) a. Removal 1 2 3 4 5 6 II WARNING Do not smoke or use open flame inside of or within 50 ft (15.24 m) of vehicle during personnel heater removal, installation, or repair. Heater may retain fuel which, if spilled, could explode and cause serious injury or death. Disconnect electrical connector (1). Unscrew nut (2) and unscrew and remove fuel line (3). Loosen clamp (4) and remove outlet hose (5). Remove clamp (6), sleeve Remove two clamps (10). (7), and flange (8) from exhaust tube (9). NOTE For M109A3 personnel heaters, a clamp at rear of heater also may have to be removed in order to remove heater. Remove four screws (11), four lockwashers (12), personnel heater (13), and lower duct (14). Discard Iockwashers. b. Installation WARNING Do not smoke or use open flame inside of or within 50 ft (1 5.24 m) of vehicle during personnel heater removal, installation, or repair. Heater may retain fuel which, if spilled, could explode and cause serious injury or death. 11-66