TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download

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TM 92350-311 -34-1 7-6 DRIVER’S BULKHEAD-TO-MASTER RELAY WIRING HARNESS (M109A4/M109A5) (ENGINE MODEL 7083-7396) – CONTINUED a. Removal 1 Remove two screws (28), two Iockwashers (29), two nuts (30), and two connectors (26) from batteries (31). Discard lockwashers. 2 Remove screw (32), washer (33), Iockwasher (34), nut (35), and strap (36). Discard Iockwasher. 3 Remove screw (37), Iockwasher (38), washer (39), and two ground wires (18 and 22) from voltage regulator mount (40). Discard Iockwasher. 4 Disconnect connector (23) at wire 503. 5 Disconnect two wiring harnesses (41) from driver’s compartment side of bulkhead (42). 6 Remove eight nuts (43), eight Iockwashers (44), eight washers (45), and eight screws (46). Remove two connectors (24 and 25) from bulkhead (42). Discard Iockwashers. 7 Disconnect four electrical connectors (19, 20, 21, and 27) and remove wiring harness. b. Disassembly 1 Remove electrical tape only for sections being disassembled. 2 Separate/isolate wiring harness branches. 3 Disassemble wiring harness branches (TM 9-2350-311-20-1). c. Assembly 1 Assemble wiring harness branches (TM 9-2350-311-20-1). 2 Apply electrical tape only for sections being assembled. d. Installation 1 Install wiring harness and connect four electrical connectors (19, 20,21, and 27). 2 Install two connectors (24 and 25), eight screws (46), eight washers (45), eight new Iockwashers (44), and eight nuts (43) to bulkhead (42). 3 Connect two wiring harnesses (41) to driver’s compartment side of bulkhead (42). 4 Connect connector (23) at wire 503. 5 Install two ground wires (18 and 22), washer (39), new Iockwasher (38), and screw (37) to voltage regulator mount (40). 6 Install strap (36), nut (35), new Iockwasher (34), washer (33), and screw (32). 7-18