Bearing failure
For some odd reason the lower bearing failed in the gear case cover of my redrive. It seems sufficient oil was drained out upon inspection, however it may not have been sufficient after all. This caused the normally power-off prop to NOT windmill while the clutch was not engaged. All 4 bearings were replaced along with seals and gasket, and finally all is well again. There were some minor alignment problems causing some drag somewhere, but after 4 reassemblies everything is working good as new.
The failed bearing was at least 12 years old, being an older "C" drive according to Lockwood. Flight and landing were unaffected, however unaddressed it could have exploded the gearbox which definitely could have been a problem in the air.
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08-07-2011, 07:21 AM
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