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stihl 066 clutch plastic bearings are rubbish


hazelnut
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hi i have just purchased an old 066 with plenty of grunt but it seems to destroy the plastic roll cage bearing in the clutch/brake drum which are made out of plastic ! and after reving the saw up it always blitzs them.are they all made from plastic now.maybe i shouldnt put red grease on them when they are new.

i have a original part being sent to my local dealer but some of their staff agree it will be a plastic cage with metal rollers.it seems to fit nicely but the old 066 screams through timber.any ideas how i could stop this problem..cheer ,matt hazelnut tree care east kent

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Remember that when the chain is spinning, this bearing is locked in a stationary position by the clutch opening and locking the clutch drum to the crank shaft - it is only under load when the machine is ideling.

 

A little grease is all that is needed but many survive under harsh conditions.

 

As others have said - look for other contributing factors - is your clutch slipping under load? Play between the bearing crank and drum etc?

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