GENERAL PROCEDURES. - TM-9-2350-238-20-20027

9-2350-238-20-2

G E N E R A L PROCEDURES.

2-7.1

(1) Do not spill solvent, fuel, or

lubricants on rubber parts. Solvent, fuel, and

lubricants

may

damage

rubber

parts.

a. G e n e r a l

Cleaning

Instructions.

(2) Do

not

use

turbine

fuel,

diesel

fuel,

gasoline, paint thinner, or benzene (benzol)

for cleaning. These liquids may cause per-

Dry cleaning solvent (SD2) (item 10,

sonal injury.

appx C) is toxic and flammable. Wear

protective goggles and gloves and use

(3) A l w a y s w e a r p r o t e c t i v e c l o t h i n g

only in well ventilated areas.

when using solvent. Solvent may dry skin.

(1) Use dry cleaning solvent (item 10, appx

C) to clean grease, oil, or dirt from all metal parts.

Improper use of high pressure

If a water hose is available, it may be used to take

water hose or steam cleaner can

off heavy dirt. If a steam cleaner is available, it

damage seals and electrical com-

may be used to take off any remaining dirt. Make

ponents resulting in equipment

sure steam or water does not enter roadwheel

failure. Use high pressure water

bearings, shock absorbers, optics, hatches, and

only

suspension

system.

powerpack openings. After water or steam

cleaning, lubricate vehicle. Check all lubricant

(4) Do not clean inside cab with high

reservoirs for water droplets. If water is found,

pressure steam or air. Some parts inside cab

drain and refill. Clean grease, oil, or dirt from all

may rust or be damaged.

metal parts with dry cleaning solvent, cleaning

compound, or equivalent.

(5) When washing outside of vehicle,

close and lock all hatches. Cover periscope

with plastic

sheets.

Remove

covers

after

(2) Use mild soap and water to clean or

washing.

wash parts not made of metal. Rinse thor-

oughly after cleaning with water and then

(6) Do not use polishing cloths, liquids,

dry.

pastes, or other rough cleaners to clean

instrument lenses or periscopes lenses. Use lens

(3) Remove rust or dirt from fine-machined

paper (item 15.1, appx C) to clean lenses. Take

surfaces with dry cleaning solvent (item 10, appx

off fingerprints, oil, and dirt with lens cleaning

C) and crocus cloth (item 6, appx C), if necessary.

compound and lens paper.

Do not use any other material. Be careful not to

change the dimensions of parts when rubbing off

(7) If anything looks wrong and cannot

rust. Coat bare metal surfaces, after cleaning,

be fixed, report it on DA Form 2404. If

with CLP (item 5, appx C).

something looks dangerous or may cause

equipment damage, report it to the

maintenance supervisor right away.

(4) Nameplates, caution plates, and in-

struction plates may rust quickly. When they

c. S e r v i c e s . S e r v i c e s p e r f o r m e d

by the

are rusty, clean parts and coat them with CLP

unit maintenance mechanic consist

of the

(item 5, appx C).

following tasks:

b. P r e c a u t i o n s . T h e f o l l o w i n g p r e c a u t i o n s

will help prevent personal injury or damage to

(1) Adjusting. Make

all

necessary

adjust-

ments and alinements.

equipment.

Change 1

2-9