TM-9-2320-285-10
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; OPERATOR’S MANUAL
JUNE 1985
TM-9-2320-285-10 - Page 75 of 121
TM 9-2320-285-10
Section II.
TROUBLESHOOTING PROCEDURES
SYMPTOM INDEX
Troubleshooting
Procedure
Page
BATTERIES
Fail to Maintain Charge .
...............................................................................................
3-18
Require Daily Filling .
.....................................................................................................
3-17
ENGINE
Consumes Too Much Oil .
.............................................................................................
3-9
Cranks, But Won’t Start .
...............................................................................................
3-5
Runs Unevenly .
............................................................................................................
3-8
Stalls Frequently.
...........................................................................................................
3-8
Won’t Crank .
................................................................................................................
3-3
Won’t Shut Down .
.........................................................................................................
3-14
Won’t Start .
...................................................................................................................
3-5
EXHAUST SYSTEM
Excessive Smoke .
........................................................................................................
3-13
FIFTH WHEEL
Drifts Down Under Load .
..............................................................................................
3-21
Lifts Slowly .
...................................................................................................................
3-22
Noisy Pump .
.................................................................................................................
3-22
Won’t Lift .
.....................................................................................................................
3-22
Won’t Lower .
................................................................................................................
3-23
STEERING SYSTEM
Hard Steering .
..............................................................................................................
3-20
TIRES
Wear Rapidly .
...............................................................................................................
3-20
Wear Unevenly .
............................................................................................................
3-20
WARNING LIGHTS
LOW AIR Warning Light Is On .
....................................................................................
3-14
OIL PRESSURE Warning Light Is On .
.........................................................................
3-13
TRANS/TORQUE CONVERTER Light Is On .
..............................................................
3-14
WATER LEVEL Warning Light Is On .
..........................................................................
3-13
WATER TEMP Warning Light Is On .
...........................................................................
3-11
3-3.
GENERAL
a.
The troubleshooting table (paragraph 3-4) lists common malfunctions which you may find during operation of the
M878A1.
You should perform the tests/inspections and corrective actions in the order listed.
b.
This manual cannot list all possible malfunctions that may occur, nor all tests or inspections and corrective actions.
If a malfunction is not listed (except when malfunctions and causes are obvious), or is not corrected by listed corrective
actions, notify your supervisor.
3-2
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