Exterior Parts

TM 5-2420-224-34

GENERAL CLEANING INSTRUCTIONS (CONT)

WARNING

Steam cleaning creates hazardous noise levels and severe burn potential.

E y e , skin, and ear protection are required.

Exterior Parts. Steam clean all exterior parts thoroughly before removing. This will make

inspection and disassembly easier.

WARNING

Drycleaning solvent P-D-680 is toxic and flammable. Wear protective

g o g g l e s and gloves and use only in well-ventilated area. Avoid contact with

s k i n , eyes, and clothes and do not breath vapors. Do not use near open

f l a m e or excessive heat. Flash point is 1000-138F (38" -50" C). If you

become dizzy while using drycleaning solvent, get fresh air immediately and

g e t medical aid. If contact with eyes is made, wash your eyes with water

a n d get medical aid immediately.

Solvents used with spray gun must be used in spray booth with filter. Face

shield must be used by personnel operating spray gun. Failure to do so

c o u l d result in serious injury to personnel.

Engine. Cab. and Body. Use a spray gun and solvent mixture for cleaning exterior of engine,

cab, and body. Allow mixture to remain on item surface for about 10 minutes before rinsing.

Rinse with hot water under 80-120 pounds of pressure, if available. An ordinary garden hose

with nozzle may be used if other equipment is not available. Rinse thoroughly.

Decreasing Machine. A decreasing machine may be used to remove heavy grease and oil

accumulations from metal parts.

Passages. After removing parts from decreasing machine, and before coating with rust

preventive, check all oil passages and cavities for dirt or blockage. A thin, flexible wire should

be run through oil passages to make certain they are not clogged. Individual passages that are

dirty may be cleaned using a pressure spray gun and drycleaning solvent.

CAUTION

To prevent corrosion, parts should be dipped in rust preventive compound

w i t h i n 2 hours after decreasing.

Electrical Parts. Electrical parts, such as coils, junction blocks, switches, and igniters, which

10.

use insulating materials, should not be soaked or sprayed with cleaning solutions. Clean

these parts with a clean, lint-free cloth moistened with drycleaning solvent.

Electrical Grounds. Clean electrical ground contacts with emery cloth.

11.

12.

Oil and Fuel Tank. Pay special attention to all warnings and cautions when working on fuel

tank. Oil and fuel tanks should be flushed, using a spray gun and drycleaning solvent.

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