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 300 of 698
TM 9-2320-285-24-2
Section VI.
FRAME AND TOWING ATTACHMENTS, SPRINGS, AND
BODY AND CAB MAINTENANCE
This section contains the information you will need to maintain the:
•
Frame
•
Fifth Wheel
•
Springs and Spring Seats
•
Body and Cab
It gives you instructions on how to troubleshoot problems and repair or
replace the components that are within the scope of direct support
maintenance.
Para
Troubleshooting Symptom Index .
...............................................
3-29
Fifth Wheel Troubleshooting .
......................................................
3-30
Springs and Spring Seats Troubleshooting.
................................
3-31
Body and Cab Troubleshooting.
..................................................
3-32
Fifth Wheel Maintenance .
...........................................................
3-33
Unlatch Cylinder.
...................................................................
3-33a
Unlatch Valve.
.......................................................................
3-33b
Fifth Whee
l ...........................................................................
3-33c
Fifth Wheel Boom .
................................................................
3-33d
Springs and Spring Seats Maintenance.
.....................................
3-34
Body and Cab Maintenance.
.......................................................
3-35
Cab Mounts .
.........................................................................
3-35a
Door .
.....................................................................................
3-35b
Cab and Deck.
......................................................................
3-35c
Rear Cab Panel .
...................................................................
3-35d
Floor Mat.
..............................................................................
3-35e
Windshield .
...........................................................................
3-35f
Right Side and Rear Window.
...............................................
3-35g
Vent Windows.
......................................................................
3-35h
Seat.
......................................................................................
3-35i
Upper Seat Assembly.
....................................................
3-35i(1)
Seat Suspension .
...........................................................
3-35i(2)
Cab Tilt
3-35j
3-29
TROUBLESHOOTING SYMPTOM INDEX
Para/Malfunction
Page
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
BODY AND CAB
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
3-294
Back to Top
