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 TM 9-2320-285-24-2
3-33.
FIFTH WHEEL MAINTENANCE (CONT)
d.
Fifth Wheel Boom (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1
Tractor,
a
Two lubrication
Remove
rear
fittings (1)
b
Sling
Attach
To center of boom (5)
c
Hoist
Attach
To sling
d
Boom (5)
Raise
To vertical position
e
Locknut (2)
Loosen
Loosen locknut (2) until
flush with pivot shaft (4)
f
Locknut (2) and
Tap
Tap with hammer to loosen
pivot shaft
(4)
g
Locknut (2) and
Remove
washer (3)
h
Pivot shaft (4)
Remove
Slide from tractor
i
Boom (5)
Remove
Lift from tractor
j
Hoist and
Detach and
sling
remove
NOTE
Do not remove two bushings (6) unless inspection indicates need for
replacement.
k.
Two bushings
Remove
Use hammer and suitable
(6)
sleeve or drift
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 obtain medical aid immediately.
3-324
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