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Tractor Talk Discussion Forum

Replacing outer axle bearing on IH986

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shocker

08-21-2004 06:19:05




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My 986 started leaking hy-tran around the axle seal so i pull wheel and think it would be a easy fix to repl. seal and to my suprise the bearing was chewed up.I was lucky enough to get the bad bearing off of the axle and have bought a new bearing and race and now i think i will have to set the pre-load.Am i correct,and what could have caused this bearing to go bad?And what is the precedure to set pre-load?

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Allan in NE

08-21-2004 08:25:55




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 Re: Replacing outer axle bearing on IH986 in reply to shocker, 08-21-2004 06:19:05  
Hi Shock,

Ran into the same thing myself. Perhaps that bearing failed because the preload wasn't right to begin with? Who knows.

They have got to be loaded, just as those old tapered wheel bearings on cars and trucks used to be. When it is set right, there should be absolutely no shake out at the end of that empty axle.

Add and remove shims as needed to get 'er loaded just right.

It's kind of a 'feel' thing, just like the old wheel bearings were. First set it too 'loose', then bring 'er tight with/without the shims.

Allan

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