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Re: TR250 Differential rebuild -- yes or no?

To: "Don Malling" <dmallin@attglobal.net>, "6-Pack"
Subject: Re: TR250 Differential rebuild -- yes or no?
From: "Greg Dito" <dito9561@bellsouth.net>
Date: Mon, 5 Jan 2004 19:04:21 -0500
> Don,
>
> When I attempted this on my original 35 year old unabused diff I thought,
> "No big deal, I'll just use one of those small 2 ton hydraulic jack
> presses."  HA!  Was I mistaken!
>
> I ended up at a metal fabricator who had a 10 ton press that was about 4
> feet wide.  As I pumped the handle I watched the gage as it climbed past
> 2000 lbs, then 3000, 4000, 5000 (my God, is this thing going to pop like
an
> artillery shell?!) and finally at about 9500 pounds POW!  It shot into a
> pillow and old comforter I placed beneath it.  The other was not quite as
> high a force, something like 7500 lbs..
>
> The inner race was supported by two alloy steel bars on either side
> of the axle.  No damage to the axle or bearing, but is this typical?  The
> bearings were in perfect shape so why mess with success.  After cleaning
up
> the bearing and axle and putting in new seals a large vise easily pressed
> everything back together.
>
> Greg
>

> >
> > One follow up question...
> >
> > I understand the stub axle bearings need to be pressed off/on. Is there
> > anything special or unusual about these bearings and stub axle or is it
> > the same as pressing off/on any rear axle bearing. Any machine shop can
> > do it.
> >
> > Thanks,
> >
> > Don Malling





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