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Rear Axles

B

Brad Ferries

New User
I just replaced thr rear axel seals [felts] on my John Deere Model B and want to know how much I should tighten the big nut on the axel. Should there be any play in the axel at all or should it be snug, It was so loose before I removed it that the cone bearings, on each side, were part way out of there race.[a good 1/4" play]. My thought was the excess play was from 66 years of ware and tare.
 
I think you are to have .001-.004" end play by the book , but I tighten them until I have 0 end play but try and not to have any preload. I put the outer felts and retainers in after setting the end play otherwise it is hard to tell if they turn freely or not.
 
Did you replace the oil seals and the felts or just the felts?

The shop manual says to tighten the nuts as tight as possible with a 20" long wrench and then tighten until you line up to a cotter key hole.
 
You say a Model B and the felts are the seals ????

Never seen that before. They always have a lip type oil seal on the inner side of the housing and a felt at the outer end.
 
Brad,
I agree with Mike M.

Every B, unstyled and styled, used an oil seal. They're located just outboard of the inner bearing cup. With the axle removed you can drive out the seal by using a hammer and a long steel rod inserted from the outer end of the axle. The bearing cup can be left in place when you knock out the seal.

The felts are there only to keep dust and grit out of the outer bearing assembly.
 
NO, the felts are NOT the seals. Seals are inside, behind inner bearing, which is directly behind the bullgear which is what said nut tightens against. Felts are only to keep dirt from entering the outer bearing. They are porous & therefore CANNOT seal oil in.
 
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