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 TM 55-1905-220-14-3
Table 3-26.
Generator Engine - High Lubricating Oil Consumption
Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
External leaks.
Step 1.
Check oil lines or connections for leaking.
Tighten connections or replace defective parts. Refer to paragraph 3-95.
Step 2.
Check for gasket or oil seal leaks.
Replace defective gaskets or oil seals. Refer to paragraph 3-95.
Step 3.
Check for high crankcase pressure.
Refer to the Excessive Crankcase Pressure Table 3-27.
Step 4.
Check for excessive oil in air box.
Refer to the Abnormal Engine Operation Table 3-24.
2.
Internal1 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.
Step 2.
Check oil cooler core for leaking.
Inspect the engine coolant for lubricating oil contamination; if contaminated,
replace the oil cooler core. Then use a good grade of cooling system cleaner to
remove the oil from the cooling system. Refer to paragraph 3-95.
3-101
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