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 TM 55-1905-220-14-1
(3) Bolts, Nuts, and Screws. Check them all for obvious looseness, missing, bent, or broken condition. You can't
try them all with a tool, but look for chipped paint, bare metal, or rust around bolt heads. If you find a bolt, nut. Or screw
you think is loose, tighten it or report it to your supervisor.
(4) Welds. Look for loose or chipped paint, rust, or gaps where parts are welded together. If you find a bad
weld, report it to your supervisor.
(5) Electric Wires and Connectors. Look for cracked, frayed, or broken insulation, bare wires, and loose or
broken connectors. Tighten loose connectors. Report any damaged wires to your supervisor.
(6) Hoses and Fluid Lines. Look for wear, damage, and leaks, and make sure clamps and fittings are tight Wet
spots show leaks, but a stain around a fitting or connector can also mean a leak. if a leak comes from a loose fitting or
connector, tighten it. If something is broken or worn out, report it to your supervisor.
h. When you check for "operating condition" you look at the component to see if it's serviceable.
2-20.
CLEANING AGENTS.
WARNING
DO NOT use diesel fuel, gasoline, or benzene (benzol) for cleaning.
DO NOT SMOKE when using cleaning solvent. NEVER USE IT NEAR
AN OPEN FLAME. Be sure there is a fire extinguisher nearby and use
cleaning solvent only in well-ventilated places. Flash point of solvent is
138'' F (60' C).
USE CAUTION when using cleaning solvents. Cleaning solvents
evaporate quickly and can irritate exposed skin if solvents contact skin.
In cold weather, contact of exposed skin with cleaning solvents can
cause frostbite.
CAUTION
When cleaning engine areas, engine must be COLD (same temperature as
outside air). DO NOT point water or steam directly at any electrical connection.
DO NOT point water stream directly at radiator fins. DO NOT use high pressure
water supply system.
Damage to engine, electrical system, and other
components may result.
NOTE
Only use those authorized cleaning solvents or agents listed in Appendix D.
a. Cleaning Engine Areas.
(1) When using water to clean the engine compartment, always cover alternators and air cleaner inlet using
waterproof material. Use water pressure and volume similar to a standard low pressure water supply system (45-70 psi,
6.5-10.2 kPa).
(2) After cleaning, allow engine to air dry. Do not use compressed air to dry engine. Do not run engine to
decrease drying time.
(3) Remove all component covers before starting engine.
CAUTION
Keep cleaning solvents, gasoline, and lubricants away from rubber or soft plastic
parts. They will deteriorate material.
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