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Lathe bearing replacment help

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Forum topic by rizay posted 12-03-2010 11:10 PM 1399 views 0 times favorited 3 replies Add to Favorites Watch
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rizay

73 posts in 1808 days


12-03-2010 11:10 PM

I have a grizzly G5979 wood lathe. Well, I did a lot of modifications to it, so it really isn’t a grizzly anymore. But the inner workings of the headstock are the same.

I have had this lathe for 8-9 years and plan to replace the spindle, bearings, and pulley. My question is, how to I get the bearings and spindle out of this thing? Is it pressed in?

Also, since I am at it, I want to replace the reeves drive pulley with a fixed, standard pulley. I removed the motor and added a 2 horse 220v and VFD a while back and don’t need the reeves for speed control anymore. And it makes a lot of noise. The spindle is a 1×8, but I am concerned that a 1” id pulley might not fit. This lathe has a “1 inch” tool rest post that is actually metric and so a 1” tool rest won’t fit in the banjo. Any thoughts on where I might find a 3-4” pulley that might work??

Any help is greatly appreciated.

Ray

-- Come visit me at WoodChux and see my work, get free woodworking plans, and find the lowest priced bottle stopper kits around.


3 replies so far

View David Kirtley's profile

David Kirtley

1281 posts in 1719 days


#1 posted 12-04-2010 01:03 AM

You will probably be looking at custom machining for a pulley replacement. I have the same lathe (HF Version) I would expect them to be a press fit but that’s nothing that a bearing/gear puller can’t handle. I would measure the shaft carefully and see what the parts and such will come to because that lathe is only $250 to replace with new.

If Grizzly, doesn’t carry parts, HF might. It is a 34706.

-- Woodworking shouldn't cost a fortune: http://lowbudgetwoodworker.blogspot.com/

View rizay's profile

rizay

73 posts in 1808 days


#2 posted 12-04-2010 12:22 PM

Thanks for your reply. I can get the parts from gizzly. I have the part numbers ready. Like I mentioned, I have modified this lathe beyond recognition. I built a custom stand filled with sand. I raised the headstock to give me a 20” swing, and replaced the 1/2 horse motor with a 2 horse 220v with a vfd.

Thanks for your reply

-- Come visit me at WoodChux and see my work, get free woodworking plans, and find the lowest priced bottle stopper kits around.

View ToddTurner's profile

ToddTurner

144 posts in 2045 days


#3 posted 12-04-2010 03:28 PM

you can assume the bearings and spindle is pressed in. Otherwise the bearing would float around. Take it to a local machine shop and they can press it apart and back togther. You can press it too with a dead blow hammer and flat block. But if you have never done it, be careful and keep it straight. Hope this helps.
Todd

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