TM-9-2320-285-24-1
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-1 - Page 894 of 987
TM 9-2320-285-24-1
2-78.
FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE (CONT)
a.
Fifth Wheel Control Lever and Cable (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (cont)
4
Cab
a.
Knob (13)
Remove
interior
b.
Four screws
Remove
(14), cover
(15), label
(20), and two
clip nuts
(19)
c.
Connector
Disconnect
Unplug from wiring harness
housing (36)
connector
d.
Electrical con-
a.
Disconnect
Pull two electrical leads
nector (37)
(42) with connector (37)
from connector housing (36)
b.
Remove and
Only if inspection indicates
discard
need for replacement.
Cut
two leads as close to con-
nector as possible
e.
Four nuts (16),
Remove
Have assistant hold screws
lock washers
(18)
(17), and
screws (18)
f.
Fifth wheel
Remove
Lift out through opening in
control
control mounting plate
assembly
DISASSEMBLY
5
Rear
a.
Two locknuts
Remove
housing
(23) and soc-
(32)
ket head cap-
screws (24)
b.
Housings (25
Separate
and 32)
c.
Two clips (26)
Remove
d.
Lever (27)
Remove
e.
Two bushings
Remove
Use puller, suitable sleeve,
(28)
and soft mallet only if
replacement is required
f.
Two screws (29)
Remove
and nut plate
(30)
g.
Hanger plate
Remove
Note position for reassembly;
(31)
then separate from rear
housing (32)
2-871
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