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John Deere Tractors Discussion Forum
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Clutch Removal Tool for JD 50

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John Van Valken

11-14-2004 09:48:17




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Hello all,

After 51+ years the clutch in my old 50 finally gave up. I've started pulling the parts but I've got an unusually stubborn Drive Disk. I've used lots and lots of heat and a standard style puller to no avail. I've already broken one "tooth" off of it and so its time for a better tool.

I recall a couple of guys talking about a homemade puller that uses the two threaded holes in the driver disk to pull with. I've got an idea how to make one but I'm interested in seeing any diagrams or pictures of the ones already tried and tested.

Upon inspection I found that the Clutch Operating Sleeve B3119R is broken and the Clutch Collar B3132R is badly worn. I've posted a wanted ad in the classifieds but if anyone has a good used example of either of these parts I'd like to save some money over buying a new one.

I've unhid my email address if you'd like to respond directly.

Many thanks,
John
1953 Model 50

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John Van Valkenburgh

11-16-2004 00:28:22




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 Thanks for the help in reply to John Van Valkenburgh, 11-14-2004 09:48:17  
Thanks for the ideas.
John



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deere73018013

11-15-2004 06:53:56




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 Re: Clutch Removal Tool for JD 50 in reply to John Van Valkenburgh, 11-14-2004 09:48:17  
I just pulled my fixed disk off my 50 last week and I used a harmonic balancer puller from sears.
It already has the slots in it for the 1/2"-13nc bolts. Just measure the distance between the threaded holes so you can buy the right size puller. Mine cost about 20 bucks. I still havn't figured out the problem on my 50. I thought the clutch was grabing because when I would disengage it and stop the belt pulley, the engine rpms would come down and there was pressure against the transmission so I couldn't pull the gearshifter out of gear. I pulled the clutch off to the inner fiber disk and started the tractor and it still does the same thing. It takes a lot of pressure to stop the belt pulley. When the tractor is off the shifter moves fine. Any one have any ideas on this problem

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Bob Feenstra

11-16-2004 14:38:02




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 Re: Clutch Removal Tool for JD 50 in reply to deere73018013, 11-15-2004 06:53:56  
In response to your clutch, you might get your service manual out and make sure the clutch brake is properly adjusted. I had basicly the same problem until I adjusted the clutch brake. Hope that helps. Bob



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Tractor James

11-14-2004 17:39:46




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 Re: Clutch Removal Tool for JD 50 in reply to John Van Valkenburgh, 11-14-2004 09:48:17  

Hope this works as it is for a late B but you can see the tool for pulling the disk and driver



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Tyler-MO

11-14-2004 13:21:32




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 Re: Clutch Removal Tool for JD 50 in reply to John Van Valkenburgh, 11-14-2004 09:48:17  
I would recommend using 1/2" threaded rod. Screw it all the way into the clutch driver. Then, make a plate that will have the holes in the right spots. Leave the 5/8" bolt in the crankshaft but lose. Then put washers and nuts on the threaded rod with the plate. I recommend doing this over using a bolt in the driver because once you ruin the threads inside the clutch driver you'll be cussing for a very long time. This way you most likely won't damage the threads inside the driver. You may have to use 2 jacking nuts on each piece of threaded rod due to the fact that most threaded rod is very soft (like grade 2) and will strip easily. You can also use an open ended wrench on the bolt in the crankshaft to apply the pressure. If it won't budge like this I would then leave everything tight and apply some heat. Good luck and prepare yourself for failure. I've fought with these many times. Once I even ended up breaking it apart with a sledge hammer and chisel. I hope you can use some of my experiences to your beneift. Tyler in Missouri

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CRUSADER

11-14-2004 12:42:25




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 Re: Clutch Removal Tool for JD 50 in reply to John Van Valkenburgh, 11-14-2004 09:48:17  
Hello Jon,

Try doing as Dan suggested...place two bolts in the plate and tighten thebolts evenly. This will remove the drive plate.

Hope this helps
Jim



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Dan in Ohio

11-14-2004 10:34:07




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 Re: Clutch Removal Tool for JD 50 in reply to John Van Valkenburgh, 11-14-2004 09:48:17  
John,

Tighten two bolts in those two holes you are talking about gradually, and it should come right off.



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