TM 5-3810-307-24-1-1
TROUBLESHOOTING
GENERAL
This section includes troubleshooting tables for use by Organizational level and Direct/General Support level
maintenance personnel. The tables list common symptoms of trouble, probable cause, and the corrective action
to remedy the trouble. The tables are to assist maintenance personnel in diagnosing and correcting trouble that
may occur during normal operation. Tests/inspections and corrective actions should be performed in the order
listed.
The tables cannot list all symptoms that may occur, nor all tests or inspections and corrective actions. If symptom
occurs that is not listed or is not corrected by listed corrective actions, notify your supervisor.
Refer to the appropriate appendix for troubleshooting components and systems listed in appendices and refer to
engine manual for engine troubleshooting.
ORGANIZATIONAL TROUBLESHOOTING
SYMPTOM INDEX
Symptom
Troubleshooting
Procedures
Page
TRANSMISSION
Transmission OIL TEMP gauge indicates transmission overheating . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-5
Low Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-5
HYDRAULIC SYSTEM
No oil flow in system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-5
Excessive pressure buildup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-5
Hydraulic pump noisy and oil foaming in reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-5
AIR SYSTEM
Air dryer constantly cycling or purging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1-5-5
Safety valve on air dryer popping off or exhausting air. . . . . . . . . . . . . . . . . . . . . . . . .
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1-5-5
Constant exhaust of air at air dryer purge valve exhaust or system pressure does not build .
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1-5-5
Air dryer does not purge or exhaust air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1-5-6
STEERING SYSTEM
Hard to steer left and right . . . .
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1-5-6
Hard to steer either left or right. .
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1-5-6
Steering is erratic left and right. .
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1-5-6
Steering pump noisy (cavitating)
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1-5-6
SWING SYSTEM
Boom swing operation erratic in either direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-7
Boom swing operation erratic in one direction only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-7
1-5-3
