TM 9-2320- 209-20-3-1 CHAPTER 1 GENERAL MAINTENANCE INFORMATION 1-1. SCOPE . This manual contains the organizational maintenance instructions for the trucks listed below. This manual includes procedures for disassembly, cleaning, inspection, repair, test and adjustment as authorized by the maintenance allocation chart. Truck, Cargo: 2 1/2 ton, 6x6, M35A1, M35A2, M35A2C, and M36A2 Truck, Dump: 2 1/2 ton, 6x6, M342A2 Truck, Tractor: 2 1/2 ton, 6x6, M275A1 and M275A2 Truck, Tank, Fuel: 2 1/2 ton, 6x6, M49A1C and M49A2C Truck, Tank, Water: 2 1/2 ton, 6x6, M50A1, M50A2, and M50A3 Truck, Repair Shop: 2 1/2 ton, 6x6, M185A2 and M185A3 Truck, Van, Shop: 2 1/2 ton, 6x6, M109A2 and M109A3 Truck, Maintenance, Earth Boring and Polesetter: 2 1/2 ton, 6x6, M764 Truck, Maintenance, Pipeline Construction: 2 1/2 ton, 6x6, M756A2 Information is provided on maintenance of trucks which is beyond the scope of tools, equipment, personnel, or supplies normally available to the operator or using organization. 1-2. GENERAL MAINTENANCE . The general maintenance and repair covered by other manuals and called out in this manual are as follows: TM 9-214 Inspection, Care and Maintenance of Antifriction Bearings. TM 9-237 Operator’s Manual: Welding Theory and Application (TO 34W4-1-5). FM 43-3 General Repair for Canvas and Webbing. TM 9-247 Materials Used for Cleaning, Preserving, Abrading and Cementing Ordnance Materiel and Related Materials Including Chemicals. FM 43-2 Metal Body Repair and Related Operations. TB 750-254 TB 43-0212 TM 43-0139 TB 43-0209 TB 43-0213 Cooling Systems: Tactical Vehicles Changes 1, 2. Purging, Cleaning and Coating Interior Ferrous and Terne Sheet Vehicle Fuel Tanks Painting Instructions for Field Use. Color, Marking and Camouflage Painting of Military Vehicles, Construction Equipment, and Materials Handling Equipment. (Rustproofing) TM 9-2300-422-20 Security-of Tactical Wheeled Vehicles. 1-3. CLEANING . All parts must be cleaned before inspection and assembly and after repair. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when solvent is used. Use only in well- ventilated places. Failure to do this may result in injury to personnel and damage to equipment. Clean inner and outer surfaces of metallic parts and all areas subject to oil or grease with dry cleaning solvent, type II (SD-2), Fed. Spec P-D-680. Clean out sludge and gum with a stiff brush. Use steam cleaning to take off accumulated grease and dirt after dry cleaning solvent has been applied. Dry with clean rags. To clean bearings, 1-1