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John Deere Tractors Discussion Forum
Show Parts for Model:

4020 LOAD CONTROL SHAFT BUSHING removal

Author  [Modern View]
ridgelane

09-27-2012 09:34:26
208.38.36.24



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What is the easiest way to remove the load control shaft bushings on a JD 4020?

Every year without fail, one side will suddenly start leaking oil. The bushing on that side doesn't appear to have much wear but I'm at wits end as to why its always the same side and why the seal holds about a year then starts dripping constantly. I figure I might as well bite the bullet and replace the bushings and seals. Shaft is good.

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cannonball

09-30-2012 08:45:06
98.20.38.57



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
replace with



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donmyeil

09-28-2012 11:50:49
74.32.252.164



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
Put it all in, shaft, bushings,bushings in the yoke ,(make sure the taper is in the right way ) and seals, or do it again. The shaft may look good but if its a year old replace it. Set side play as tight as it can be and still move. Just a side note if the shaft is put back in oposite of the way it came out they can break , so ive heard.



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Tx Jim

09-28-2012 04:22:02
67.142.163.20



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to farmboy169, 09-27-2012 09:34:26  
Take a rod that is little smaller in diameter than the L/D shaft that is about as long,put in the bushing on one side and drive the bushing out on the other side,



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ridgelane

09-27-2012 22:01:57
208.38.36.24



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
Thanks for the comments. One question remains unanswered, how do I get the bushings out?



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Tx Jim

09-27-2012 11:28:15
67.142.163.22



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to Mark-Ia, 09-27-2012 09:34:26  
Quoting Removed, click Modern View to see

Tim I beg to differ. A working L/D control will work on any 3pt plow such as a chisel plow or field cultivator.



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pete 23

09-27-2012 10:49:56
74.32.238.2



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
How often do you use draft control. If never, take those bushings to a machine shop. Have them make you some with a straight center hole,(no taper), install them and then throw those originals in the junk. Not one of Deere's better ideas. I replaced a lot of busings, seals and shafts in just four years of working at at Deere dealer. I never was able to go with my idea as of course everyone wanted it like it was originally. IH tractors are no better, as they wear out those expensive splined shafts and connections and no one ever uses draft control anyway.

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Tim S

09-27-2012 10:59:33
99.159.254.50



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to pete 23, 09-27-2012 10:49:56  
That"s right Pete, load control was made for mole board plowing,,which has become a thing of the past...



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Tim S

09-27-2012 10:18:49
99.159.254.50



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
Yes too much side to side end play is what kills them, Deere offers shims to take that out. As the hitch bangs back and forth it continually wears on the seals till they fail..



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Mike M

09-27-2012 10:01:34
24.140.0.120



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
Replace it all at the same time & do the bushings in the drawbar yoke and get the aftermarket ones for in the tractor that have an o-ring in them.



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David G

09-27-2012 09:56:43
204.29.138.33



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
I will add, replace shaft, bushings, seals and shim end play.



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David G

09-27-2012 09:55:56
204.29.138.33



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 Re: 4020 LOAD CONTROL SHAFT BUSHING removal in reply to ridgelane, 09-27-2012 09:34:26  
Shaft is either bad or too much endplay or both.



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