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Allis Chalmers Discussion Forum
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getting wheels off axles

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Big Hunter

07-25-2007 06:11:41




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is a long and frustrating ordeal. it's a 190XT, I soaked around the wheel coupling, the axle, inside and out for 2 days. I've heated the wheel coupling, axle, and wheel twice. I ran the bigger bolts (allthread with nuts welded on the end) in to spread the wheel coupling and wheel apart (or de-wedge them) with a 3/4 impact and hit the wheel with the flat end of a digging bar several times. NOTHING. now what do I try?

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Joe(TX

07-26-2007 09:35:22




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 Re: getting wheels off axles in reply to Big Hunter, 07-25-2007 06:11:41  
Like Jack said, you need the puller bolts (3). They have and unthreaded portion that goes into the wheel. You won't have much luck without them.
I assume that the wheel is off the ground. You normally have to push the wheel off of the taper hub since it normaly won't slide on the axle when pulling it.



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Jack a

07-26-2007 04:39:35




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 Re: getting wheels off axles in reply to Big Hunter, 07-25-2007 06:11:41  
Are you using the right bolts that are made to remove the wheel? I worked at a dealer ship for a few years and had a stubborn 200. Took a large rosebud torch and heated the cast wheel on the side towards the tractor. Right around the wedge until it was red. Then put pressure with the correct removal bolts and I think I hit the end of the axle a couple times with a sledge. That worked. After the wheel is off the next thing is to move the wedge on the axle. That can still be tough. I drive a chisel into the wegde and then tapped it hard. Took awhile. Be very careful because the chisel can fly out of the wedge with great force so don't stand inline with the chisel at anytime. I know I guy that lost an eye even though he had safety glasses.

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Big Hunter

07-26-2007 09:30:56




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 Re: getting wheels off axles in reply to Jack a, 07-26-2007 04:39:35  
I'm not useing the right bolts per-say. The right bolts are 3/4" with the end smaller to fit into the 5/8" bolt holes in the wheel, and when you screw them into the wheel coupling they bottom out in the wheel hence spreading the wheel and wheel coupling apart. I started out with 3/4 all-thread with a nut welded on the outside end. I screwed it in , put a piece of flat steel between the wheel and coupling so it wouldn't booger up the 5/8 threads in the wheel...same thing as the correct bolt....it bottoms out and spreads the two apart. I guess I need to try a larger torch. I used a MAPP torch the first two times, guess I'll go with the oxygen and acetylene and give it a whack with a sledge hammer. thanks for the info John a

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Big Hunter

07-26-2007 18:37:17




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 Re: getting wheels off axles in reply to Big Hunter, 07-26-2007 09:30:56  
I meant to say....Jack a not John a



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dave stock

07-25-2007 21:54:39




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 Re: getting wheels off axles in reply to Big Hunter, 07-25-2007 06:11:41  
the way I helped loosen the taper lock on the axle was to looesen the taper lock bolts but leave them in. then apply the bolts that loosen half of the taper lock hub and tighten them. then drive the tractor over rough ground,make sharp turns and do the same in reverse or something else to shake the hub loose. that was on a john deere 4320. I would think your A C would be the same



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JMS/MN

07-25-2007 08:26:50




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 Re: getting wheels off axles in reply to Big Hunter, 07-25-2007 06:11:41  
I don't know how your assembly is made, but you mention a wedge. If it's similar to how a JD 4020, etc. is made- this is how I got them apart: Found a pipe slightly larger than the axle diameter, slightly longer. Cut one end away, leaving a half-circle on that end that fits flat against the wedge. Weld a heavy plate to the other end to close off the pipe. Rotate the tractor wheel so the wedge you're trying to move is on top of the axle. Slide the pipe onto the axle and use a bfh. JD mechanics told me to beat the end of the axle. Makes no sense to damage that- not trying to move the axle, just the wedge.

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Big Hunter

07-25-2007 19:04:23




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 Re: getting wheels off axles in reply to JMS/MN, 07-25-2007 08:26:50  
well it's not going to budge this way. So I figure I'm going to have to pull the axle out of the final drive gear and housing them I'm going to build a custom press to press the wheel off the axle. It's a lot of work but I can't see any other way. any input would be appreciated.



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JMS/MN

07-25-2007 21:53:46




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 Re: getting wheels off axles in reply to Big Hunter, 07-25-2007 19:04:23  
SO..... ..... have you called a dealer to see how he does it?. A lot of dealers are really helpfull, even if you have not bought from them before. Good time to establish a relationship.



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Big Hunter

07-26-2007 02:53:14




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 Re: getting wheels off axles in reply to JMS/MN, 07-25-2007 21:53:46  
yeah I talked to the dealership, they didn't help very much, just said it was a time consuming. I guess the 38 years of not being moved is fighting back. the wheel coupling is about 5 to 6 inches long so theres 6 inches of rust between the axle and the coupling and there is 5 inches of rust between the wheel and the wheel coupling.



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