TM 9-2320-361-20 11-3. CAB DOOR DOVETAlL WEDGE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Two screw-assembled lockwashers EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). Remove two screw-assembled lockwashers (1), dovetail wedge (2), and shim (3) from cab door (4). Discard screw-assembled lockwashers (1). Install shim (3) and dovetail wedge (2) on cab door (4) with two new screw-assembled lockwashers (1). 11-3