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 TM 9-2320-285-24-2
3-33.
FIFTH WHEEL MAINTENANCE (CONT)
b.
Unlatch Valve (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (cont)
7
g
Two screws (27)
Remove
Have assistant support
(cont)
and dial
unlatch valve (29) from
plate (28)
underside
h
Unlatch valve
Remove
DISASSEMBLY
8
Unlatch
a
Pin (30)
Remove
valve (29)
b
Plunger (31)
Remove
c
Spring (32)
Remove
d
Grommet (33)
Remove and
From plunger (31)
discard
e
Nut (34)
Remove
Rotate counterclockwise
f
Seal ring (35)
Remove and
discard
g
Spring (36)
Remove
h
Valve (37)
Remove
CLEANING
9
a
Hose (2) and
Clean
Wipe with clean cloth moist-
tubing (4)
ened with clean diesel
fuel; dry with clean cloth
b
Guard (24),
Clean
Wipe with clean, dry cloth
button (25),
and dial
plate (28)
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.
3-310
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