TM 5-4310-354-14
Table 4-2. Organizational Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - continued
9. ENGINE EXHAUST EXCESSIVELY BLACK - continued.
Step 6. Any other cause.
Notify Direct Support or General Support Maintenance.
10. ENGINE EXHAUST EXCESSIVELY BLUE OR WHITE.
Step 1. Check to make certain proper grade of lubricating oil is being used for ambient operating temperatures.
LO 5-4310-354-12, figure 3-1.
Step 2. Check for too low engine operating temperature.
Thermostat is defective. Replace thermostat (para 4-45).
Step 3. Check for restricted engine air cleaner.
Service the engine air cleaner (figure 4-6).
Step 4. Any other cause.
Notify Direct Support or General Support Maintenance.
11. EXCESSIVE OIL CONSUMPTION.
Step 1. Check for use of proper grade of lubricating oil.
Refer to LO 5-4310-354-12, figure 3-1.
Step 2. Check for excessive crankcas e pressure.
Service the engine crankcase breather (figure 3-2).
Step 3. Any other cause.
Notify Direct Support or General Support Maintenance.
12. EXCESSIVE FUEL CONSUMPTION.
Step 1. Check for loose connections and damaged fuel lines hoses, and fittings.
4-17
