12-75. TM 9-2320-361-20 This task covers: a. Removal c. Assembly b. Disassembly d. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M185A3, M109A3 TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Six lockwashers EQUIPMENT CONDITION Two locking rings • Parking brake set (TM 9-2320-361-10). • Battery ground cable disconnected (para. 4-48) NOTE Tag all wires and terminals for installation. 1. Remove four screws (1) and power switch cover (3) from van body (2). 2. Remove two screws (9), lockwashers (8), and wires (4) and (10) from switch (11). Discard Iockwashers (8). 3. Remove two screws (7), lockwashers (6), and wires (4), (5), (12) and (13) from switch (14). Discard lockwashers (6). 1. Remove two nuts (18), Iockwashers (17), and power switch cover (3) from switches (11) and (14). Discard lockwashers (17). 2. Remove two locking rings (15) and nuts (16) from switches (11) and (14). Discard locking rings (16). 1. Install two nuts (16) and new locking rings (15) on switches (14) and (11). 2. Install switches (14) and (11) on power switch cover (3) with two new lockwashers (17) and nuts (18). 1. Install wires (4), (5), (12), and (13) on switch (14) with two new lockwashers (6) and screws (7). 2. Install wires (4) and (10) on switch (11) with two new lockwashers (8) and screws (9). 3. Install power switch cover (3) on van body (2) with four screws (1). 12-122