TM 9-2320-209-20-3-1 CHAPTER 8 TRANSMISSION SYSTEM GROUP MAINTENANCE Section I. SCOPE 8-1. EQUIPMENT ITEMS COVERED. This chapter gives equipment maintenance procedures for the transmission breather for which there are authorized corrective maintenance tasks at the organizational maintenance level. 8-2. 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. TRANSMISSION BREATHER 8-3. TRANSMISSION BREATHER REMOVAL AND REPLACEMENT. TOOLS: Cross-tip screwdriver (Phillips type) 7/16-inch wrench SUPPLIES: Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680 Rag PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove intermediate tunnel, front transmission gear shift lever, and boot. Refer to Part 3, para 18-5. 8-1