12-68. TM 9-2320-361-20 This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M185A3, M109A3 TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Three lockwashers EQUIPMENT CONDITION • Parking brake set (TM 9-2320-361-10). • Converter removed (para. 12-69). 1. Remove fourteen screws (13) from converter front panel (3) and converter (6). 2. Turn screw (9) and open door (10). Pull converter front panel (3) away from converter (6). 3. Remove two screws (1), exhaust blower switch (4), and identification plate (2) from converter front panel (3). NOTE Tag all wires for installation. 4. Remove three screws (8), lockwashers (7), resistor (5), and two wires (11) and (12) from exhaust blower switch (4). Discard lockwashers (7). 1. Install wire (12) on exhaust blower switch (4) with new lockwasher (7) and screw (8). 2. Install resistor (5) and wire (11) on exhaust blower switch (4) with two new lockwashers (7) and screws (8). 3. Install exhaust blower switch (4) and identification plate (2) on converter front panel (3) with two screws (1). 4. Install converter front panel (3) on converter (6) with fourteen screws (13). 5. Close door (10) and turn screw (9). 12-110