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 TM 55-1905-219-14-3
Table 3-5. Propulsion Engine - High Lubricating Oil Consumption
Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. External leaks (Cont)
Step 2.
Check for gasket or oil seal leaks.
Replace defective gaskets or oil seals. Refer to paragraph 3-17.
Step 3.
Check for high crankcase pressure.
Refer to the Excessive Crankcase Pressure Table 3-6.
Step 4.
Check for excessive oil in air box.
Refer to the Abnormal Engine Operation Table 3-3.
2. Internal leaks.
Step 1.
Check blower oil seal for leaking.
Remove the air inlet housing and inspect the blower end plates while
the engine is operating. If oil is seen on the end plate radiating away
from the oil seal, refer to Direct Support Maintenance.
3-47
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