TM 5-4310-354-14
Table 3-2. Operator/Crew Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - continued
10. ENGINE EXHAUST EXCESSIVELY BLUE OR WHITE.
Step 1.
Check for oil le vel being above the full mark on dipstick.
Drain excess oil from crankcase. Check for evidence of water in drained oil.
Notify
organizational maintenance if any is found.
Step 2.
Check grade of fuel being used and for contaminated fuel.
Drain fue l tank and refill with clean fuel of proper grade.
Step 3.
Check to make certain correct grade of lubricating oil is used for operating temperatures.
Change oil using proper grade. Refer to LO 5-4310-354-12, figure 3-1.
Step 4.
Check for a dirty, clogged fuel filter.
Replace a dirty fuel filter.
Step 5.
Check for any other cause.
Notify organizational maintenance.
11. EXCESSIVE OIL CONSUMPTION.
Step 1.
Check for use of proper grade of oil for operating temperature conditions.
Change lubricating oil to correct grade for the conditions. Refer to LO 5-4310-354-12, figure
Step 2.
Inspect the engine for evidence of oil leakage.
Tighten bolts and nuts as necessary. If leakage does not stop, notify Direct Support or General
Support maintenance.
Step 3.
Check for any other cause.
Notify organizational maintenance.
12. EXCESSIVE FUEL CONSUMPTION.
Step 1.
Check fuel line connections at fuel tank, fuel transfer pump, fuel filter, and fuel injection pump. Check
both fuel pickup and return lines.
Tighten any loose connections. If fuel lines are damaged, notify organizational maintenance.
Step 2.
Inspect fuel tank for evidence of leakage.
Notify organizational maintenance.
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