8x30 spindle removal help request

caveBob

Active User
Registered
Joined
Mar 10, 2012
Messages
169
Recently got my first mill, it's an older 8x30 knee mill that I'm in the middle of cleaning up. Trying to remove the quill that looks like this:

Top side with C retainer clip removed

45515.jpg

Bottom side

45516.jpg

On the bottom there are no holes to spin the bottom outer part off with a spanner wrench, maybe this was press fit into place?

So, is the quill supposed to come out the top or bottom? No owner's manual or even make & model for this so that doesn't help. Think the bearings may be shot because although it spins, it does so roughly. Could be dislodged gunk trapped in the bearings after soaking in Purple Power cleaner.

Any ideas? Thanks...

45515.jpg

45516.jpg
 
It looks like a BP type spindle. Is there a set screw anywhere on the bottom to lock the nut? Pretty sure the nut on the bottom unscrews, and the spindle comes out the bottom. The top bearing should come out the top. You may have to use a strap wrench or chain wrench to break it loose to unscrew the nut.
 
Thanks Jim, nope no set screw or spanner hole... that's why I was wondering if it needed to come out top side, and don't know. :) I have an old rubber strap wrench I'll try.
 
Also, forgot to ask... if the bearings do need replacing, any recommendations? Don't know the type/# yet for the bottom bearings but quick searching the #'s from the top ones the prices ranged from $25-$200 per. Guessing type and grade and pricing are all over the map...
 
I just noticed you are in Portland. I'll send a PM to you, I have a recommendation.
 
Back
Top