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John Deere Tractors Discussion Forum
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520 clutch bushing

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34gpa

05-09-2006 10:56:26




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I need to change the bearing and bushing on a 520 clutch I just got to try and take up some of the play in the clutch. The bearing isnt a problem but what is the best way to get the bushing out and back in? Is it pressed in and out or cut out or ??? Thanks for any and all tips.




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2cyldinderlp

05-10-2006 11:25:57




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 Re: 520 clutch bushing in reply to 34gpa, 05-09-2006 10:56:26  
Since no one else commented on this I will tell you what I would try. But I want to say right up front that I have not ever changed one of these particular clutch pulley bushings. I have a tool for pulling bearing races from the inside. It is made by Owatonna Tool corp. I think that would work on this. But I don't think you even need that. With the roller bearing out of there can you drive it out from the other side with just the right size tool? If that can't be done what I have sometimes done is use a tool such as a hack saw blade to carefully cut a slot in the bushing. That should loosen it up quite a bit. Then carefully lift an edge near the cut, then grab it with a vise grip or something and yank it out of there.

You mentioned wanting to deal with play in the clutch. Do you mean the clutch pulley itself is loose on the crank shaft? Or do you mean the clutch linkage is loose? Or is it possibly a situation involving endplay in the crank shaft? These all could be roughly described as play in the clutch, but they all require different service/repair. Either way, it would be really good for you do take the whole clutch mechanism and clutch pulley assembly out of there and apart for service. Those bearings run directly on the crank shaft and should be serviced regularly to prevent damage to the crank.

For putting the bushing back in I would use a piloted drift made just the right size. You don't want to ding up that bushing or you will for sure have to ream it. I would check sizes for proper clearance when you have it in there.

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