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TM 10-3930-638-24&P
3-31. MAST ASSEMBLY MAINTENANCE (cont)
c. Inner and Outer Mast (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (cont)
(cont)
3
Outer mast
(12)
d. Two roller bearings
(4) and shims (5)
e. Roll pin (6)
f. Spring retainer (7)
g. Spring (8)
h. Lock pin (9)
a. Two roller bearings
(10)
b. Shims (11)
c. Three nuts (13)
six washers (14)
and three cap
screws (15)
d. Left hose channel (16)
e. Center hose channel
(17)
f. Right hose channel
(18)
g. Three roll pins (19)
Remove
Remove
Remove
Remove
Remove
Remove
Remove
Remove
Remove
Remove
Remove
Remove
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 immedi-
ately, and obtain medical aid immediately.
4
All parts
Clean
Use cleaning solvent P-D-680. Dry thor-
oughly
NOTE
Don’t immerse roller bearings (4 and 10) in cleaning solvent.
3 - 2 61
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