TM-9-2320-285-24-2
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-9-2320-285-24-2 - Page 590 of 698
TM 9-2320-285-24-2
4-4.
TRANSMISSION (CONT)
j. Control Valve Assembly (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
DISASSEMBLY (cont)
NOTE
To remove any retainer pin it may be necessary to grasp the control valve body (2) and tap it lightly on a
block of wood while depressing the valve and spring assembly behind retainer pin.
This will help dislodge
the retainer pins.
6
Valve stop
a
Retainer pin
Remove
Depress valve stop (51)
(51)
(52)
b
Valve stop (51)
Remove
and 3-4 relay
valve spring
(53)
c
3-4 relay valve
Remove
(54)
7
Spacer (55)
a
Retainer pin
Remove
Depress spacer (55)
(52)
b
Spacer (55)
Remove
and 2-3
relay valve
spring (56)
c
2-3 relay
Remove
valve (57)
8
Spring
a
Retainer pin
Remove
Depress spring adjusting ring
adjusting
(11)
(16)
ring (16)
b
Spring adjust-
Remove
ing ring
(16), washer
(58), and
valve stop
pin (59)
c
Spring (60)
Remove
d
Valve (61)
Remove
9
Control
Valve (1)
Remove
Remove rubber band and slide
valve body
out
(2)
4-109
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