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 Posted: 11-08-2016 04:19 am
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Esprit2

 

Joined: 05-01-2005
Location: Minneapolis, Minnesota USA
Posts: 575
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 Some Allen drive cap screw heads (cheese heads) are taller than others, and can rub on the back of the pulley. Choose the lowest profile cap screw you can find, and use a thin, electronics panel washer instead of a normal thick one.

Regards,
Tim Engel