TM 9-2320-209-20-3-2 13-28. AIR RESERVOIRS, REMOVAL AND REPLACEMENT (TRUCKS M35A2C, M50A2, M109A3, M185A3, AND M756A2). TOOLS: 5/8-inch wrench 11/16-inch wrench 9/16-inch wrench (2) 1-inch wrench 7/8-inch wrench (2) 3/4-inch wrench 1 3/8-inch wrench SUPPLIES: Anti-seize tape, MIL-T-27730A PERSONNEL: Two EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Vent air system pressure. Refer to para 13-20. (2) Remove spare wheel. Refer to TM 9-2320-209-10. b. Removal. 1. Working at rear of air reservoirs (1) using 7/8-inch wrenches, hold adapter (2) and unscrew coupling nut (3). 2. Using 7/8-inch wrench, unscrew and take off coupling nut (4) and tube (5). GO TO FRAME 2 13-203