12-79. 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 Two lockwashers EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). 1. Remove two screws (3) from blower motor receptacle (4) and van wall (1). 2. Pull receptacle forward and remove two screws (6), lockwashers (5), and wires (2) from blower motor receptacle (4). Discard lockwashers (5). 1. Install two wires (2) on blower-motor receptacle (4) with two screws (6) and new lockwashers (5). 2. Install blower motor receptacle (4) on van wall (1) with two screws (3). 12-127