TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 For M109A3 personnel heaters, a clamp at rear of heater also may have to be installed in order to install heater. 1 Install lower duct (14), personnel heater (13), four new Iockwashers (12), and four screws (11). 2 Install two clamps (10). 3 Install flange (8), clamp (6), and sleeve (7) to connect exhaust tube (9). 4 Install outlet hose (5) and tighten clamp (4). Torque screw to 90-95 ib-in. (10.2-10.7 N-m). 5 Connect fuel line (3) and install nut (2). 6 Connect electrical connector (1). 11-67