12-77. 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 TM 9-2320-361-20P MATERIALS/PARTS Two locknuts EQUIPMENT CONDITION Adhesive (Appendix C, Item 2) Parking brake set (TM 9-2320-361-10). NOTE Left and right door checks are removed and installed the same. This procedure covers the right door check. 1. Pull back door seal (3) from door channel (5). 2. Remove two locknuts (7), screws (6), and door check (1) from door channel (5). Discard locknuts (7). 3. Remove two screws (2) and door check (1) from van door (4). l 1. Install door check (1) on van door (4) with two screws (2). 2. Install door check (1) on door channel (5) with two new lockwashers (7) and screws (6). 3. Apply adhesive to door channel (5) and place door seal (3) on door channel (5). 12-125