Lift Chains and Pulleys (cont). - TM-10-3930-638-24-P0445

TM 10-3930-638-24&P

2-56. HYDRAULIC LIFT SYSTEM MAINTENANCE (cont)

d. Lift Chains and Pulleys (cont).

REMARKS

ITEM

LOCATION

ACTION

STEP

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 exces-

sive 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 immediately, and get medical attention. If

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

water. If contact with eyes is made, wash eyes with water immed-

iately, and obtain medical aid immediately.

Use cleaning solvent P-D-680

Clean

All parts

INSPECTION

Replace if cracked, chipped or mounting

Inspect

Hose bumpers (5)

hole enlarged

Replace if body is worn or cracked or if

Inspect

Step bolts (9)

threads are damaged

Inspect

Replace as an assembly if pulley is cracked,

Hose pulleys (11) and

bent or damaged. Replace bushing(12)

bushings (12)

(step 2i above) if inside diameter is 0.79

inch or more (use bore gage to measure)

Replace if bent or cracked; chase outer

Pulley bar (16)

Inspect

threaded hole with 1/4-20 tap; chase

inner threaded hole with 7/16-1 4 tap

Replace as an assembly if pulley is cracked,

Inspect

Chain pulleys (18) and

bent or damaged. Replace bearing (19)

bearing (19)

(step 20 above) if rolling action is rough

or if inside diameter is 1.24 inches or

more (use bore gage to measure)

2-407