12-62. TM 9-2320-361-20 This task covers a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M109A3, M185A3 TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Six lockwashers EQUIPMENT CONDITION Three locknuts •Parking brake set (TM 9-2320-361-10). PERSONNEL REQUIRED Two • Ladder removed (para. 12-66). • Door handle and lock assembly removed (para. 12-64). 1. Remove two screws (2) and pull door check (1) away from van door (8). 2. Remove six screws (6) and lockwashers (5) from three hinges (3) and van door (8). Discard lockwashers (5). NOTE Assistant will help with step 3. 3. Remove three locknuts (7), screws (4), and van door (8) from three hinges (3). Discard locknuts (7). NOTE Assistant will help with step 1. 1. Install van door (8) on three hinges (3) with three screws (4) and new locknuts (7). 2. Install six screws (6) and new lockwashers (5) on three hinges (3) and van door (8). 3. Install door check (1) to van door (8) with two screws (2). FOLLOW-ON TASKS: ● Install door handle and lock assembly (para. 12-64). ● Install ladder (para. 12-66). 12-100.