Drill press pulley nut coming loose

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Forum topic by kmetzger posted 03-18-2016 01:49 AM 729 views 0 times favorited 1 reply Add to Favorites Watch
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157 posts in 1783 days

03-18-2016 01:49 AM

I’m having exactly the same problem described by a member a year ago:
My spindle pulley set nut keeps coming off and it also started happening after a 2” Forstner bit stopped spinning. I made sure my belt were tight and that the set screw in the rear pulley was securely installed. I have a Mexican drill press similar to a Jet but my manual is no help.
Does the set nut have to be tightened down with a wrench?

-- Kim, Ajijic, Mexico,

1 reply so far

View conifur's profile


955 posts in 1117 days

#1 posted 03-18-2016 02:00 AM

So the torque of the bit not turning transferred through the shaft to the pulley to the nut. Get a Nylon lock nut or some Blue Loc Tight for it.

-- Knowledge and experience equals Wisdom, Michael Frankowski

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