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Drive pulley on Steel City 12" jointer

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Forum topic by MonteCristo posted 06-01-2012 03:27 AM 502 views 0 times favorited 0 replies Add to Favorites Watch
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MonteCristo

2097 posts in 855 days


06-01-2012 03:27 AM

A while back the retaining bolt on the end of the drive pulley on this jointer came off. The motor’s drive shaft started to chew up the pulley and the machine became noisy, which is how I discovered what had happened. The machine was pretty new so I thought they had not tightened the bolt properly at the factory but tightening it didn’t solve the problem – it came off again. In the end I have pinned the pulley to the shaft as I am pretty sure the problem is that the sharp decelleration that occurs when the machine is shut off provides enough reverse torque to (eventually) undo the retaining bolt which is RH thread to tighten if there is any slippage during normal running.

Anyone else experienced this ? My understanding is that this jointer is basically a DJ30 from the same factory that used to make the DJ30, but maybe Steel City is using a motor with harsher decelleration on shutdown ?

-- Dwight - "Free legal advice available - contact Dewey, Cheetam & Howe""


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