TM 9-2320-209-20-3-1 CHAPTER 7 ELECTRICAL SYSTEM GROUP MAINTENANCE 7-1. EQUIPMENT procedures for the Section I. SCOPE ITEMS COVERED. This chapter gives equipment maintenance charging system, starting system, instrument panel components, lighting system, sending unit gages and warning buzzers, horn assembly, battery system, chassis harness, and miscellaneous items for which there are authorized corrective maintenance tasks at the organizational maintenance level. 7-2. 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. CHARGING SYSTEM 7-3. GENERATOR AND PULLEY REMOVAL AND REPLACEMENT. TOOLS : 9/16-inch open wrench Mechanical puller 5/8-inch socket wrench (2) Jumper wire with pins (for 0.005-inch feeler gage polarization) Torque wrench, 150 pound- Spanner wrench, 3/4 inch to 2 inches feet capacity 3/4-inch socket wrench Strap wrench SUPPLIES : Shim set Solvent, dry cleaning, type II (SD-2), Fed. Spec. P-D-680 PERSONNEL: One EQUIPMENT CONDITION : Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Remove battery ground cable. Refer to para 7-58. (2) Open hood and both side panels. Refer to TM 9-2320-209-10. 7-1