TM 9-2320-361-20 11-2. CAB DOOR INSPECTION HOLE COVER REPLACEMENT This task covers a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS All EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P a. Removal Remove six screws (2) and cab door inspection hole cover (3) from cab door (1). Install cab door inspection hole cover (3) on cab door (1) with six screws (2). 11-2