TM 5-3810-307-10
Table 6-1. Operator Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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.
7. ENGINE SURGES AT IDLE.
Step 1.
Low fuel level in the fuel tank.
a.
Check fuel level in tank.
b.
Service fuel tank.
8. LOW LUBRICATING OIL PRESSURE.
Step 1.
Incorrect oil level.
a.
Check engine oil level. If OK, do step 2.
b.
Add engine oil to correct level.
Step 2.
Oil diluted with water.
a.
Inspect for missing oil fill cap, dipstick, etc. If OK, do step 3.
b.
Contact Organizational Maintenance to drain and refill engine oil.
