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 378 of 698
TM 9-2320-285-24-2
3-35
BODY AND CAB MAINTENANCE (CONT)
i. Seat (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
DISASSEMBLY
1
Latch
a
Latch assembly
Pull
Pull to its forward most
assembly
(8) handle
position
(8)
b
Isolation
Unlock
handle (40)
c
Seat pan (48)
Push forward
Push far enough forward to
expose screw (1)
d
Screw (1) and
Remove
nut (2)’
e
Spring (3)
Remove
f
Plate and latch
Slide
Slide forward to expose two
assembly (41)
rollers (4)
g
Two rollers (4)
Remove
h
Plate and latch
Tilt forward
Tilt forward; then pull
assembly (41)
rearward to expose two
rollers (5)
i
Two rollers (5)
Remove
NOTE
Be sure springs (7) clear shafts on rear bracket assembly and latch assembly (8) clears rear
bracket assembly slot when removing upper seat assembly from suspension assembly.
j
Upper seat
a
Remove
Lift upper seat assembly from
assembly
suspension assembly
b
Invert
Turn upper seat assembly
upside down
k
Latch assembly
Bend down
(8) tabs
l
Two springs (7)
Unhook
Unhook front of springs (7)
from tabs
m
Two cotter pins
Remove and
(6)
discard
n
Two springs (7)
Remove
3-372
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