Reply by Derrick

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Posted on Keyed pulley, smooth shaft??

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103 posts in 1557 days

#1 posted 08-29-2016 11:02 PM

Maybe like this little guy right here?
- derrick3636

There you go! Use a good non-detergent 20W oil (3-in-1 makes an electric motor specific oil that you can find in the borg). There should be (usually) some felt packing around the sleeve bearing that absorbs the oil and distributes it evenly over time. If you already have the motor open, it might not be a bad idea to pull the felt, clean it good in a solvent, and re-saturate before you re-assemble the motor. Those things are dirt magnets and get really nasty dirty over time, and the motor you have is pretty old.


PS: Check the sleeve bearing and shaft for wear and damage… hopefully they are fine, as it s a bugger to press out those things.

- MrUnix

I’ll take a look at those better. Nothing looked damaged with my initial inspection.
So now that there’s a better idea as to what I have, is there any reason I shouldn’t use this motor? Of course I still need to get the pulley figured out, but there are a ton of resources out there for those.

In your 4th pic there is a dimple on the shaft, it might be a good spot to anchor a pulley with a cone head set screw if that spot works laterally to align with the cutter head pulley.

- nightguy

I noticed that. Ill look into that kind of set screw. Are you talking about using that dimple and a set screw along with grinding a flat spot on a different side of the shaft and using another flat bottom set screw?

The pulley that came with the jointer had 2 holes for set screws that are 90* apart. This pulley won’t work with the current motor, but if this is what you’re talking about I’ll have a better idea what to look for.

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