TM 9-2320-283-10
SYMPTOM INDEX (Continued)
Troubleshooting
Procedure
Page
Excessive oil consumption . . . . . . . . . . . . . . . . . 3-10
Excessive exhaust smoke . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Truck speed not reduced while using engine retarder . . . . . 3-10
EXHAUST SYSTEM
Excessive exhaust noise or fumes . . . . . . . . . . . . . . . . . . . . . . . 3-11
STEERING
Hard steering, shimmy or wandering . . . . . . . . . . . . . . . . . . . 3-11
Hard to steer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Slow or intermittent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
TRANSMISSION
Foamy fluid on dipstick . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Shifts slowly or erratically . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Leaks fluid at breather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
WHEELS, TIRES, AND HUBS
Wheel wobbles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Truck wanders or pulls to one side . . . . . . . . . . . . . . . . . . . . . 3-13
Tires worn unevenly or excessively . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
The table lists the common malfunctions which you may find during the opera-
L
tion or maintenance of the M915A1 truck tractor or its components. You should
perform the tests/inspections, and corrective actions, in the order listed.
The manual cannot list all malfunctions that may occur, nor all tests or inspec-
tions and corrective actions. IF A MALFUNCTION IS NOT LISTED OR IS NOT
CORRECTED BY LISTED CORRECTIVE ACTIONS, NOTIFY YOUR SUPERVISOR.
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