TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 697 of 1275
8-20 ACCESSORY CONTROL BOX — CONTINUED b. Disassembly/Repair NOTE Some accessory control boxes may have additional wiring for the flotation blower. This wiring is no longer used. 1 Remove 12 nuts (10), 12 Iockwashers (11), 12 flat washers (12), and 12 screws (13). Lift off cover (14) and gasket (15). Discard lockwashers and gasket. NOTE Follow step 2 only if ground lead is damaged. 2 Drill out rivet (16) to remove ground lead (17). Discard rivet. NOTE For accessory control box wiring diagram (lD/schematic), refer to personnel heater and personnel ventilation blower troubleshooting procedures (para 3-3). 3 Disconnect four electrical connectors (18) at circuit breakers (19). 4 Remove four screws (20), four flat washers (21), four lockwashers (22), and four nuts (23). Remove two circuit breakers (19). Discard lockwashers. 5 Remove screw (24), two flat washers (25), and nut (26). 8-52 TM 9-2350-311-20-1