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Old 01-23-2022, 01:49 PM   #12
Island Cessna
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Join Date: Feb 2011
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I donít know what material is used for clutch disk facing in these Capital gears. Some oil flooded clutches use paper-like fiber material, but some use sintered soft metal. If the latter I would add clutch disk wear to the list of possible sources. The elevated fine particles would point to wear rather than cooler metal corrosion.

Does this gear perhaps have a trolling valve? If so clutch slippage and associated wear may be normal. If it has a trolling valve an external oil filter is often installed, and overlooked when servicing.
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