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Twin Disc, Incorporated
Troubleshooting
Power Transmission System Operator’s Manual #1020510
8.
Transmission system loses oil
Possible causes:
Leaks in Hoses and Fittings
Check all hoses and fittings for leaks. Repair as needed.
Seal Leak Between Engine and Torque Converter
Check the engine oil. If the transmission continues to lose oil and the
engine gains oil, it is likely that the engine crankshaft oil seal at the rear
of the engine is leaking. The converter must be removed from the truck
and the engine crankshaft oil seal replaced.
Summary of Contents for TA-90-8501
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