Jet 1236 Lathe speed control problem

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Forum topic by FiremanJim posted 12-16-2016 04:24 AM 654 views 0 times favorited 5 replies Add to Favorites Watch
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35 posts in 2904 days

12-16-2016 04:24 AM

Topic tags/keywords: jet lathe reeves drive speed control troubleshoot problem lathe

I have had a Jet 1236 for about ten years now and the speed adjustment knob has been getting harder and harder to move. It has a Reeves drive and looking at it, I cannot see anything that looks out of place. The only video I could find online just showed WD-40 being sprayed on the springs and pulleys. Didn’t make a difference when I tried it.

Does anyone have any ideas or tips on how to fix it, or thst can point me to a solution?


Fireman Jim

-- "Creating sawdust since 1979"

5 replies so far

View lew's profile


12500 posts in 3993 days

#1 posted 12-16-2016 06:31 AM

My Delta Iron Bed also has a Reeves drive. I used to use WD-40 but switched over to a Lithium grease spray. It seems to last a little longer.

You might try removing the drive belt and then lubing the shaft, springs, etc. With the belt off, you can move the knob without having to have the lathe running. Makes it easier to get the lubricant down into where it needs to be.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View FiremanJim's profile


35 posts in 2904 days

#2 posted 12-16-2016 12:09 PM

Thanks Lew, I will give that a try. I appreciate the tip.


-- "Creating sawdust since 1979"

View OSU55's profile


2026 posts in 2227 days

#3 posted 12-16-2016 12:28 PM

You also might consider taking the sheaves off the shaft (both ends) and cleaning things up. After 10 years there’s bound to be a lot of build up.

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Bill White

5148 posts in 4198 days

#4 posted 12-16-2016 04:04 PM

Good move on the lithium grease. WD-40 is NOT a lube, just a water displacer.


View Ted78's profile


401 posts in 2237 days

#5 posted 12-16-2016 04:49 PM

While lithium grease certainly IS a better choice in this case. A lubricant is anything that reduces friction between two mating surfaces and WD-40 WILL do that, making it a lubricant. So is water on the bathroom floor, mud at a drilling rig, butter, loose pebbles on a sidewalk. All are lubricants. So in this case Lithium grease is a BETTER lubricant, but I’m tired of hearing ‘WD-0 is not a lubricant’. WD-40 is like a swiss army knife, it is a lot of things and very handy, but probably not the best choice for any given specific task.

-- Ted

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