TM 9-2320- 209-20-3-2 CHAPTER 13 BRAKE SYSTEM GROUP MAINTENANCE Section I. SCOPE 13-1. EQUIPMENT ITEMS COVERED . This chapter gives equipment maintenance procedures for the handbrake assembly and related parts, service brake, hydraulic brake system, mechanical brake system, air brake system, compressed air system, and trailer brake connections for which there are authorized corrective maintenance tasks at the organizational maintenance level. 13-2. EQUIPMENT ITEMS NOT COVERED. All equipment items for which corrective maintenance is authorized at the organizational maintenance level are covered in this chapter. Section II. HANDBRAKE ASSEMBLY AND RELAYED PARTS 13-3. HANDBRAKE BRAKE DRUM REMOVAL TOOLS: Pliers 6-inch ruler Torque wrench, 150 pound-feet capacity Container Adapter, 1/2 inch to 3/4 inch AND REPLACEMENT. 3/4-inch wrench 1 7/16-inch wrench 1 5/16-inch wrench 1 1/2-inck socket Flat-tip screwdriver 6-inch adjustable wrench 3-inch extension, 3/4-inch drive Brass punch Hammer SUPPLIES: Cotter pin PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, chocked. a. Preliminary Procedure. Remove propeller shaft. 10-3. handbrake set, wheels Refer to Part 2, para 13-1