TM 9-2320-361-34 I 9-3. FRONT AXLE ENGAGEMENT AIR CYLINDER MAINTENANCE THIS TASK COVERS: a. Removal c. Installation b. Cleaning and Inspection INITIAL SETUP APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-34P TOOLS EQUIPMENT CONDITION General mechanic’s tool kit (Appendix B, Item 1) Transfer case removed (para. 9-2). MATERIALS/PARTS Air cylinder parts kit (Appendix F, Item 186) GM grease (Appendix C, Item 8) 1. Bend four locktabs (4) down and remove four screws (5), locktabs (4), air cylinder cover (3), and brass ring (6) from transfer case (2). Discard locktabs (4) and brass ring (6). 2. Remove air cylinder (11) from transfer case (2). 3. Remove nut (7), washer (8), piston (10), washer (8), and brass ring (6) from shifter shaft (1). Discard washers (8) and brass ring (6). 4. Remove seal (9) from piston (10). Discard seal (9). b. Cleaning and Inspection Clean and inspect air cylinder cover (3), air cylinder (11), and piston (10) (paras. 2-8 and 2-9). I c. Installation I 1. Apply a small amount of GAA grease on new seal (9) and install on piston (10). 2. Install piston (10) on shifter shaft (1) with two new washers (8) and nut (7). Tighten nut (7) 48-61 lb-ft (65-83 N.m). NOTE Ensure air cylinder cover is installed with air line opening positioned toward bottom of transfer case. 3. Install new brass ring (6), air cylinder (11), new brass ring (6), air cylinder cover (3), four new locktabs (4), and screws (5) on transfer case (2). Tighten screws (5) 5-8 lb-ft (7-11 N.m). 4. Bend locktabs (4) down on transfer case (2) and bend locktabs (4) upon air cylinder screws (5). 9-6
