TM 9-2320-209-34-2-1 CHAPTER 12 BRAKE SYSTEM GROUP MAINTENANCE Section I. SCOPE 12-1. EQUIPMENT ITEMS COVERED . This chapter gives equipment maintenance pro- cedures for the handbrake and service brake assemblies, hydraulic brake system, and trailer brake connections and controls for which there are authorized corrective main- tenance tasks at the direct and general support maintenance levels. 12-2. EQUIPMENT ITEMS NOT COVERED . All equipment items for which corrective maintenance is authorized at the direct and general support maintenance levels are covered in this chapter. Section II. HANDBRAKE AND SERVICE BRAKE ASSEMBLIES 12-3. HANDBRAKE AND SERVICE BRAKESHOE REPAIR. TOOLS : No special tools SUPPLIES : Rivet ( 28) PERSONNEL: One EQUIPMENT CONDITION : required Truck parked, engine off, handbrake set, wheels chocked. Preliminary Procedure. Remove brake shoe assembly. Refer to TM 9-2320-209-20. 12-1