Section V. CLEANING

TM 10-3930-623-34

SECTION V

CLEANING

5-1. CLEANING MATERIALS.

WARNING

5-2. A list of materials used during cleaning is presented

Do not use cleaning materials in a

in figure 5-1. Some of the cleaning materials listed in

confined area or near a fire or open

figure 5-1 are related only to the painting procedures

flame.

given in Section VI.

5-6. Do not permit petroleum products to come into

5-3. in addition to the materials listed in figure 5-1,

contact with rubber components.

standard cleaning agents such as clean, lint-free cloths,

hot and cold fresh water, dry compressed air, soap

WARNING

chips, ammonia, bicarbonate of soda, scrapers, wire

brushes and spoon files are also required.

Always wear safety glasses when

using compressed air for cleaning.

Do not direct compressed air stream

Cleaning Agent or

Specification or

in direction of other personnel. Do

Protective Coating

Description

not permit compressed air to be

Alcohol

MIL-A-6091

directed at any part of the body;

Ammonia, household grade

Commercial

serious injury may result.

Automotive and artillery

MIL-G-10924

grease

5-7. GENERAL INSTRUCTIONS.

Carbon removal compound

MIL-C-25107

Cleaning compound

USAF Specification

5-8. Clean all parts before attempting to inspect them

20015-E

for wear or damage. Any dirt, grease, corrosion or

Corrosion preventive oil

MIL-C-4339

Dry cleaning solvent

Fed. Spec P-S-661

foreign material may affect tolerance or clearances.

Engine cleaning compound

MIL-C-5546

Inspect parts for wear or damage simultaneously with

Paint thinner

Fed. Spec TT-T-291

the cleaning operation or as soon thereafter as possible.

Paint and varnish remover

MIL-R-7751

Sandpaper, 000 grade

Commercial

5-9. Coat all unpainted metal parts which are subject to

Sodium bicarbonate (baking

Commercial

rust with corrosion preventive oil, Military Specification

soda)

MIL-C-4339 (USAF) immediately after cleaning and

Steel wool, grade 00 or 100

Fed. Spec FF-W-556

drying. Avoid handling machined or polished surfaces of

or 000

clean metal parts with bare hands. Keep cleaned parts

Abrasive cloth, aluminum

Commercial

in a covered container until needed for inspection or

oxide, grade 3/0

reassembly.

Figure 5-1. Cleaning Agents

5-10. TRUCK EXTERIOR. Steam clean truck frame,

front and rear axles, uprights assembly, wheels and tires

5-4. CLEANING PRECAUTIONS

to remove road dirt and old lubricant.

5-5. Most cleaning materials are inflammable, volatile,

5-11. GASKET RESIDUE. Remove gasket residue by

or, in some cases, toxic. Make certain that areas where

scraping. After surfaces have been scraped, saturate

cleaning is being conducted are clean and well

with dry cleaning solvent, Federal Specification P-S-661.

ventilated and that proper type fire extinguishers are

When remaining residue has softened sufficiently, wipe

conveniently located.

clean with a clean, lint-free cloth.

5-12. BEARINGS, CUPS, AND CONES . Clean all

unsealed bearings, cups, and cones by immersing in dry

cleaning solvent, Federal Specification P-S-661. While

bearing is

5-1