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1941 JD B Rear Axle Seals

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Scott Rong

12-16-2001 19:02:40




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I have a 1941 B that has leaky axles and I have the hubs off the splines (phew!!). Now are the axle seals accessible from the outside of the axle housing, or do I have to go inside the axle housing after removing the hydraulic assembly? Is there any other heads up advice I need to know too. First time in an old Deere's Rearend... Thanks in Advance




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walt f

12-16-2001 20:46:28




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 Re: 1941 JD B Rear Axle Seals in reply to Scott Rong, 12-16-2001 19:02:40  
i've got a 41 "b" and it's got leaky seals too and yes you've got to go inside the rearend. i bleieve the whole axel has to come out to replace the oil seals which are just outside the bull gears, just outside the inner tapered roller bearings. there is a castle nut on the axelshaft where it holds the bull gear on that you adjust the tightness, like the spindle of a pickup truck front axel. the axel housing is supposed to be dry, and the outer roller bearing is lubricated with a grease gun at the zerke fitting.

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Chuck

12-16-2001 21:53:10




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 Re: Re: 1941 JD B Rear Axle Seals in reply to walt f, 12-16-2001 20:46:28  
the explanation of the other post is right on target. I recently had to go into a 530 and it is a good job to replace the seals and you need some help to move axle in as you align the bull gear. Forgot to say that you need to remove the brakes as this makes it easier to align the bull gears. One of my veteran collector friends and I were discussing John Deere's reasoning on the seals. It looks like it would have been better to use the seals on the outer bearing, as there is not as much lateral movement there and what difference would it make if oil went out to that area. Large trucks, cars, other equipment uses them this way. Would have made it a lot easier to service. Also they could have used shimms or some manner to tighten the axle there. Just food for thought.

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Chuck

12-16-2001 20:44:32




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 Re: 1941 JD B Rear Axle Seals in reply to Scott Rong, 12-16-2001 19:02:40  
the seals are behind the bull gears. The other parts are the dust seals. You have to remove the center hydraulics or center cover. Remove the cotter keys and remove large nuts, use wedge and loosen the axle. remove axles to get to the seals. The JD manuals or IT manual gives step by step procedures. Good luck.



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Phil

12-17-2001 12:38:47




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 Re: Re: 1941 JD B Rear Axle Seals in reply to Chuck, 12-16-2001 20:44:32  
When installing the new seals, you may wish to only remove one axle at a time such that you can use it as a pushing point for a bolt, nut and flat washer (size of seal, of course) to press the new seals in. If you tap them in with a hammer or brass mallet, they'll be bent & won't stand the axle's lateral movement. Seeing that you have the hubs off, it can be a one man job. I did mine w/ hubs & wheels on just a few weeks ago & whole project took about three hours (Been there before)

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