TM 5-4320-200-1 3&P(a) Rust and Corrosion. Check pump body and frame for rust and corrosion, If any bare metalor corrosion exists, clean, and apply a thin coat of oil.(b) Bolts, Nuts, and Screws. Check them all for obvious looseness, missing, bent, or brokencondition. You can’t try them all with a tool, but look for chipped paint, bare metal, or rust around boltheads. If you find a bolt, nut, or screw you think is loose, tighten it.(c) Welds. Look for loose or chipped paint, rust, or gaps where parts are welded together.(d) Electric Wires and Connectors, Look for cracked, frayed, or broken insulation, bare wires,and loose or broken connectors. Tighten loose connectors.(e) Hoses and Fluid Lines. Look for wear, damage, and leaks, and make sure clamps and fittingsare tight. Wet spots show leaks, but a stain around a fitting or connector can also mean a leak. If a leakcomes from a loose fitting or connector, tighten it.g. When you check for “operating condition,” you look at the component to see if it’s serviceable.4-1.2 CLEANINGAGENTS.lllh.DO NOT use diesel fuel, gasoline, or benzene (benzol) for cleaning.DO NOT SMOKE when using cleaning solvent. NEVER USE IT NEAR AN OPENFLAME. Be sure there is a fire extinguisher nearby and use cleaning solvent only inwell-ventilated places. Flash point of solvent is 138°F (60°C).USE CAUTION when using cleaning solvents. Cleaning solvents evaporate quicklyand can irritate exposed skin if solvents contact skin. In cold weather, contact of exposedskin with cleaning solvents can cause frostbite.NOTEOnly use those authorized cleaning solvents or agents listed in Appendix D.Cleaning Engine.(1) When using water to clean the engine use water pressure and volume similar to a standardhousehoId type water supply system (45-70psi, 6.5-10.2 kpa).(a) After cleaning, allow engine to air dry. Do not use compressed air to dry engine. Do notrun engine to decrease drying time.4-2Change 5
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