TM 9-2320-209-20-3-4 CHAPTER 23 MAINTENANCE OF MATERIAL USED IN CONJUNCTION WITH MAJOR ITEMS Section I. SCOPE 23-1. EQUIPMENT ITEMS COVERED. This chapter gives equipment maintenance pro- cedures for winterization kits, deep water fording kit, and special purpose kits for which there are authorized corrective maintenance tasks at the organizational mainte- nance level. 23-2. 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. WINTERIZATION KITS 23-3. VEHICULAR COMPARTMENT HEATER REMOVAL AND REPLACEMENT. TOOLS: Flat-tip screwdriver Open end wrench set, pn GGG-W-636 SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Open hood. Refer to TM 9-2320-209-10. (2) Remove two heater hoses. Refer to para 23-18. 23-1