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TM 10-3930-638-24&P
2-56. HYDRAULIC LIFT SYSTEM MAINTENANCE (cont)
f. Hoses, Lines and Fittings (cont).
(2) Mast Assembly (cont).
3
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (cont)
s. Tube fittings (43 and
Loosen and dis-
(cont)
44)
connect
t. Tube assembly (45)
Remove
u. Four nuts (46)
Remove
v. Four elbow fittings
Remove
(47)
w. Four nuts (48)
Remove
x. Four fittings (49)
Remove
CLEANING
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.
4
All parts
Clean
Use cleaning solvent P-D-680
INSPECTION
5
Elbow fittings (3, 10,23,
Inspect
Replace if cracked, distorted, or threads
24, and 47), 45 degree
damaged
fitting (37), 90 degree
fittings (38 and 39), and
fitting (49)
6
Hose assemblies (5, 8,
Inspect
Replace if cracked, split, or fitting
13,22, 33, and 36)
threads damaged
7
Tube assemblies (27, 30,
Inspect
Replace if cracked, kinked, dented,
42, and 45), and tension
twisted, or fitting threads damaged
tubes (16)
8
Hose springs (15)
Inspect
Replace if cracked or damaged or
evidence of permanent set is obvious
2-436
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