TM-5-3805-254-34
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
MARCH 1993
TM-5-3805-254-34 - Page 21 of 727
TM 5-3805-254-34
2-2.
EXPLANATION OF COLUMNS.
The columns in Table 2-1 are defined as follows:
(1)
MALFUNCTION
.
A visual or operational indication that something is wrong with the dump truck.
(2)
TEST OR INSPECTION
.
A procedure to isolate the problem in a component or system.
(3)
CORRECTIVE ACTION
.
A procedure to correct the problem.
2-3.
TROUBLESHOOTING SYMPTOM INDEX.
Troubleshooting
Procedure
Page
COOLING SYSTEM
Coolant Temperature:
Above Normal .
..........................................................................................................................................
2-6
Below Normal.
...........................................................................................................................................
2-6
ENGINE ASSEMBLY
Engine Oil in Coolant or Coolant in Engine Oil.
...............................................................................................
2-4
Excessive:
Noise.
........................................................................................................................................................
2-5
Vibration.
...................................................................................................................................................
2-5
Fails to Crank .
.................................................................................................................................................
2-3
Hard to Start or Fails to Start.
..........................................................................................................................
2-3
Low Power.
.......................................................................................................................................................
24
Stops and Will Not Start .
.................................................................................................................................
2-4
ENGINE COMPRESSION BRAKE
Engaged With Switch in OFF Position .
...........................................................................................................
2-5
Weak or Slow to Activate .
...............................................................................................................................
2-5
TRANSMISSION
Creeps:
Excessively When in:
First Gear .
..........................................................................................................................................
2-8
Reverse .
.............................................................................................................................................
2-8
Fails to Respond to Shift Control .
.............................................................................................................
2-8
When in Neutral .
.......................................................................................................................................
2-7
Oil:
Dirty.
........................................................................................................................................................
2-10
Leaking:
At Output Shaft.
................................................................................................................................
2-10
Into Torque Converter .
.....................................................................................................................
2-10
2-2
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