TM 10-3950-672-10
Table 6-1. Operator Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
ENGINE STARTS BUT WILL NOT KEEP RUNNING.
Step 1.
Fuel waxing due to cold weather.
a.
Drain fuel filter/water separator. Refer to PMCS in
b.
Contact Organizational Maintenance to drain fuel tank and
service with cold weather fuel grade.
Step 2.
Fuel contaminated.
a.
Check fuel/filter water separator for contamination. Refer
to PMCS in Section 5. If fuel Ok, do step 3.
Step 3.
Contact Organizational Maintenance.
5.
ENGINE WILL NOT SHUT OFF.
Step 1.
Fuel system malfunction.
a.
Set outriggers and shut down diesel engine. Shut off fuel
supply shutoff valve at fuel tank. Refer to shutdown
procedures, paragraph 5-3.3.
b.
Contact Organizational Maintenance.
6.
ROUGH IDLE. WARM ENGINE.
Step 1.
Intake air system restricted.
a.
Inspect air cleaner inlet hood. If OK, do step 2.
b.
Contact Organizational Maintenance to remove intake
hood and air filter element. Replace air filter element and
clean intake hood.
Step 2.
Fuel contaminated.
a.
Check fuel filter/water separator for contamination. Refer
to PMCS in Section 5. If fuel OK, do step 3.
Step 3.
Contact Organizational Maintenance.
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