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Minneapolis Moline Tractors Discussion Forum
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5 Star PTO input shaft removal question

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hamiltch

11-29-2019 17:12:30




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I have my MM 5 star tore apart to replace the rear PTO seal, but I am having trouble getting the input shaft out. Pump has been removed, clutch set screw has been removed, clutch and transfer gear are loose on shaft, yoke is off. When I go to hammer the shaft towards the rear, it moves about 3/4", then seizes up, even with a sledge hammer?

Anyone have an idea what to try next?




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hamiltch

12-05-2019 09:11:48




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
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Thanks everyone. I found where someone had welded a little spot on the shaft and I was able to chip it off and get the shaft out. Now I just need to find replacement shafts.



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Alan K

12-03-2019 19:48:43




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
Ive used a slide hammer on an M602. Worked well.



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ChrisQ

11-30-2019 20:27:16




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
Slidehammer on the back will usually work, but always easiest to split so you can give the front of the shaft a few good hits.



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curt cooke

11-30-2019 19:35:06




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
Don't ya just love when the manual says "bump the shaft out". I had a heck of a time with my JS 3 too. Vice grip, pry bars and hammer and punch. I suspect the trouble is the splines on the shaft into the adapter attached to the flywheel. Wish I had a secret cure for you, just sharing misery.
CC



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hamiltch

11-29-2019 18:59:55




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
If you had seen the cobbled up mess that someone had done with a welder on the pto shaft, you would agree that the shaft needed removed. No way to pull the old seal off or put a new one one with this cob job.



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swmolines

11-30-2019 02:23:02




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 18:59:55  
Yikes. Sounds like a mess for sure.



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hamiltch

11-29-2019 18:50:27




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
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The clutch key is out. I need to have the front splines on the input shaft repaired also. they are worn pretty bad.



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molinegb

11-30-2019 06:18:20




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 18:50:27  
Be easier to find a used shaft. M5 602 670 all same.



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swmolines

11-29-2019 18:02:43




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
Most people just drill a hole in the shield that covers the seal and pull it out with a sheet metal screw. You can do the same to get the seal out.



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ChrisQ

11-29-2019 17:37:56




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 Re: 5 Star PTO input shaft removal question in reply to hamiltch, 11-29-2019 17:12:30  
Take out the key way that the clutch center hub is on. The key bottoms out on the outer clutch drum. You probably damaged the thrust washer from bottoming out against it. You have to slide the center hub forward then can grab the key with a needle nose. If you are doing all this to do the PTO output seal, you could have just pulled it out the back around the shaft with a screw and not taken anything apart.

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