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 38 of 987
TM 9-2320-285-24-1
2-6.
TROUBLESHOOTING SYMPTOM INDEX (CONT)I
Para/Malfunction
Page
STEERING SYSTEM (cont)
High steering effort in one direction .
................................................................
3-27/7
3-231
Power steering pump not delivering oil .
...........................................................
3-27/10
3-235
FRAME AND TOWING ATTACHMENTS
Tire carrier will not lower .
.................................................................................
2-60/1
2-673
Tow shackles will not pivot .
.............................................................................
2-60/2
2-673
Boom platform will not latch or unlatch .
...........................................................
2-60/3
2-673
SHOCK ABSORBERS
Vehicle vibrates excessively during bumps.
.....................................................
2-61/1
2-673
Harsh bump when vehicle bottoms .
................................................................
2-61/2
2-674
BODY AND CAB
Seat bottoms or tops out too easily.
.................................................................
2-62/1
2-674
Seat wobbles .
..................................................................................................
2-62/2
2-674
Door sticks, or will not open or close .
..............................................................
2-62/3
2-675
Hood will not latch or unlatch .,.
........................................................................
2-62/4
2-675
Radiator access panel will not latch or unlatch .
...............................................
2-62/5
2-675
Tool box will not open or close .
.......................................................................
2-62/6
2-676
Cab grille guard will not tilt forward .
.................................................................
2-62/7
2-676
Cab difficult to raise or wobbles when raised.
..................................................
2-62/8
2-677
Seat squeaks or binds in up and down travel.
..................................................
3-32/1
3-297
Seat bounces excessively after a bump, or
bottoms or tops out too easily .
................................................................
3-32/2
3-298
Harsh bump when seat bottoms or tops out .
..................................................
3-32/3
3-298
Seat binds, or does not slide smoothly, when
adjusted backward or forward .
................................................................
3-32/4
3-298
Weight adjustment handle feels loose,
has no tension .
........................................................................................
3-32/5
3-298
Seat or back cushions are separating from pans.
............................................
3-32/6
3-299
Seat has collapsed .
.........................................................................................
3-32/7
3-299
Door sticks, or will not open or close .
..............................................................
3-32/8
3-299
Door window will not raise or lower, or
will not travel smoothly .
...........................................................................
3-32/9
3-300
Right side or rear window will not close fully .
..................................................
3-32/10
3-300
Right side or rear window will not slide or
will not slide smoothly .
.............................................................................
3-32/11
3-301
Cab drafty.
........................................................................................................
3-32/12
3-301
Cab vibrates excessively .
................................................................................
3-32/13
3-301
FIFTH WHEEL
Fifth wheel jaws don’t open .
............................................................................
3-30/1
3-295
SPRINGS AND SPRING SEATS
Vehicle vibrates excessively during bumps .
....................................................
3-31/1
3-297
Springs squeak or groan .
................................................................................
3-31/2
3-297
WINDSHIELD WIPER AND WASHER
No fluid is sprayed on windshield when washer
switch is pressed .
....................................................................................
2-67/1
2-760
Wiper doesn’t move .
........................................................................................
2-67/2
2-761
HEATERS
Cab drafty .
.......................................................................................................
2-68/1
2-762
Fresh air door will not open or close .
..............................................................
2-68/2,3-37/2
2-762,3-400
Cab heater doesn’t heat cab .
..........................................................................
2-68/3,3-37/1
2-763,3-399
Windshield will not defrost .
..............................................................................
2-68/4,3-37/3
2-764,3-400
2-15
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