CLEANING AGENTS.

TM 9-2330-392-14&P 2-4 Change 2 2-4. PMCS PROCEDURES (Con’t). (1) Keep It Clean. Dirt, grease, oil, and debris may cover up a serious problem. Clean as you work and as needed. Use detergent (Item 4, Appendix E) and water on rubber, plastic, and painted surfaces. (2) Rust and Corrosion. Check trailer body and frame for rust and corrosion. If any bare metal or corro- sion exists, clean and apply a thin coat of light oil. (3) Bolts, Nuts, and Screws. Ensure that none are loose, missing, bent, or broken. Tighten any that are loose. (4) Welds. Look for loose or chipped paint, rust, or cracks where parts are welded together. If you find a bad weld, notify Unit maintenance. (5) Wiring Harness, Wires, and Connectors. Inspect for cracked or broken insulation, bare wires, and loose or broken connectors. Tighten loose connectors. If you find damaged wiring, notify Unit main- tenance. (6) Hydraulic Brake Lines, Hoses, and Fittings. Inspect for wear, damage, and leaks. Ensure that fittings are tight. If a leak originates from a loose fitting, tighten it. If a component is broken or worn, cor- rect problem if authorized by the Maintenance Allocation Chart (MAC) (Appendix B). If not autho- rized, notify Unit maintenance. h. When you check for "operating condition," you look at the component to see if it is serviceable. 2-5. CLEANING AGENTS. CAUTION Do not allow water to enter the master cylinder. Damage to the brake system will result. NOTE Use only those authorized cleaning solvents or agents listed in Appendix E. a. Cleaning is an AFTER operation service performed by the operator to maintain the trailer in a state of readi- ness. Facilities and material available for cleaning may vary in different operating conditions. However, trailer must be kept as clean as possible as available cleaning equipment, materials, and tactical situations permit.