Powermatic Model 50 Jointer problems...

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Forum topic by ladiesman217 posted 04-09-2011 04:43 AM 3398 views 0 times favorited 2 replies Add to Favorites Watch
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74 posts in 2637 days

04-09-2011 04:43 AM

Topic tags/keywords: question jointer joining

I got 99 problems…and my jointer is one. Thanks to everyone for their quick identification of the jointer-it is now known to be a Powermatic Model 50. Now that I’m back in my shop after five or six years, I’m trying to fix everything up and as I got to my jointer, I encountered this: I removed the fence and top thing and the belt guard so i could take a look at the pulley-turns out the noise was from the pulley being all banged up and dented. I removed the set screw and tried to take it off but to no avail. I tried prying it off but I couldn’t get it move more than 1mm past the edge of the shaft. Any suggestions? As I’m going to replace the pulley, denting it further isn’t a concern. Thanks!

-- Rock Chalk Jayhawk!

2 replies so far

View Minorhero's profile


372 posts in 2027 days

#1 posted 04-09-2011 04:49 AM

Your best bet to remove it (especially if you don’t mind possibly bending it more) is to use a bearing/pulley puller. Its a device that has between 2 and 3 “jaws” and a screw shaft that goes down between them. You put the jaws on the pulley and the screw shaft tightens on the shaft the pulley is attached to. The pulley will come right off with little trouble. You can pick one up from your local auto parts store for about 15 to 30 dollars.

Here is a picture of a 3 jaw puller.

View Loren's profile


8164 posts in 3070 days

#2 posted 04-09-2011 04:50 AM

Try a few rounds of super-penetrating oil first. Let is soak in for
several hours in each round ‘cause it can take awhile.

If that doesn’t work or doesn’t sound like fun, take a propane
torch to the shaft. I’ve done this several times on stuck parts
and while it makes me nervous I haven’t wrecked anything yet
doing it and I do believe it’s worked every time. The heat expands
the motor shaft and when it cools off the pulley is usually looser.

If you can fit a piece of pipe over the end, you can pound the
pulley deeper onto the shaft, which breaks it loose a bit.
Sometimes you can pull it off after pounding it towards the motor.

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