CLEANING - TM-9-2320-285-24-10529

TM 9-2320-285-24-1

2-43. FRONT AXLE MAINTENANCE (CONT)

b. Hub and Drum (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

CLEANING

WARNING

Dry cleaning solvent (P-D-680), used to clean parts is toxic and

flammable. Wear protective goggles and gloves and use only in

a well ventilated area. Avoid contact with skin, eyes, and clothes

and don't breathe vapors. Do not use near open flame or

excessive heat and don't smoke when using it. Failure to do so

could cause serious injury. If you become dizzy while using

cleaning solvent, get fresh air and medical attention immediately.

If contact with skin or clothes is made, flush with large amounts

of water. If contact with eyes is made, wash eyes with water and

seek medical aid immediately.

Compressed air must not exceed 30 psi. Wear safety glasses

when drying parts with compressed air. Failure to do so could

cause serious injury to eyes and possible blindness. If you hurt

your eyes or if a foreign object is blown into your eyes, seek

medical attention immediately.

a. Brake drum (1)

Clean

Wipe with clean cloth moist-

and hub (11)

ened with cleaning solvent

P-D-680. Dry using clean

cloth

b. Outer bearing

Clean

Immerse in cleaning solvent

cone (12) and

P-D-680 and slowly move up

inner bearing

and down. Remove from

cone (13)

solvent and strike large

side of cone flat against

block of wood to dislodge

solidified particles of

lubricant. Immerse in sol-

vent and repeat above oper-

ation until thoroughly

clean. Dry using moisture

free compressed air. Direct

air stream across bearing

to avoid spinning. Do not

spin bearings when drying

them. Bearings may be

rotated by hand to

facilitate drying

c. Remaining parts

Clean

Use cleaning solvent P-D-680

2-506