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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)
2
Cab,
a
Elbow (12) nut
Loosen
underside,
b
Nut (10) and
Remove
treadle
clamp (11)
valve
c
Tubing (4) with
a
Disconnect
From elbow (12)
nuts
b
Remove From tractor
d
Elbow (12)
Remove
From treadle valve; note
position of elbow for
installation
3
Cab front,
a
Tie strap (13)
Cut, remove,
Note location for installa-
underside
and discard
tion
b
Nut (14) and
Remove
clamp (15)
4
Cab frame,
Nine tie straps
Cut, remove,
Located between front of
underside,
(16)
and discard
frame
and rear of cab guard
left hand
side
5
Unlatch
a
Three tie
Cut, remove,
Note locations for installa-
cylinder,
straps (18)
and discard
tion
under fifth
b
Three nuts (19)
Remove
From fifth wheel boom; note
wheel
and clamps
locations for installation
(20)
c
Connector (17)
Disconnect
From unlatch cylinder fitting
with hose (2)
located under fifth wheel
d
Hose (2) with
Remove
From tractor as an assembly
connectors
(3 and 17)
6
Cab tilt
Cab Lower
To normal driving position
pump
7
Tractor
a
Hood
Open
cab
b
Two screws
Remove
Have assistant remove nuts
(21), nuts
(22) and lock washers (23)
(22), and
from underside
lock washers
(23)
c
Guard (24)
Remove
d
Nut (26)
Remove
e
Button (25)
Remove
Rotate counterclockwise
f
Nut (26)
Remove
3-309
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