TM 5-2815-241-34&P
TROUBLESHOOTING ON ENGINE TEST STAND
GENERAL
The information contained in this paragraph is provided to help in identifying malfunctions that may
occur after assembly and during engine test stand final adjustments of the NTC-290 diesel engine.
The troubleshooting table lists common malfunctions which can occur. You should perform the tests
or inspections and corrective actions in the order listed.
This paragraph cannot list all malfunctions that may occur, or all tests, inspections, and corrective
actions. If a malfunction is not presented, or is not corrected by the listed corrective action, notify
your supervisor.
EXPLANATION OF COLUMNS
MALFUNCTION. Visual or operational indication that something is wrong with the NTC-290 diesel
engine.
TEST OR INSPECTION. Procedure to isolate the problem to a component or system.
CORRECTIVE ACTION. Procedure to correct the problem.
SYMPTOM INDEX
The symptom index is provided as a quick way to get you to the part of the troubleshooting table that will
help solve your problem. It lists all malfunctions covered in the troubleshooting table.
To use the symptom index, find the problem you are having listed in the index. Then go to the page
indicated for the troubleshooting procedure needed to help you find and correct your problem.
SYMPTOM
Page
Coolant temperature high .....................................................................................................................
2-425
Coolant temperature low .......................................................................................................................
2-426
Engine cannot reach governed rpm.. ....................................................................................................
2-426
Engine crankcase dilution.. ...................................................................................................................
2-426
Engine stops.. .........................................................................................................................................
2-426
Engine fails to start (cranking system working) ..................................................................................
2-427
Engine hard to start (cranking system working). .................................................................................
2-427
2-424
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