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 TM 55-1905-219-14-1
(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 damps 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 a the component to see f its serviceable.
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 solvent contact skin. In cold weather,
contact of exposed skin with cleaning solvent can cause frostbite.
CAUTION
When cleaning engine areas, engine must be COLD (same temperature as outside
air). DO NOT point water or steam directly a any electrical connection. DO NOT
point water stream directly at radiator fins. DO NOT use high pressure water
supply system. Damage to engine, electric 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 dean 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 kPs).
(2) After cleaning, allow engine to air dry. Do not use compressed air to dry engine. Do not run engine to
decease drying time.
(3) Remove all component coves before starting engine.
CAUTION
Keep cleaning solvents, gasoline, and lubricants away from rubber or soft plastic
parts. They will deteriorate material.
2-78 Change 4
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