[Fot] Stub axle separation

[Jack Wheeler]

What you need is the Churchill Special Tool for rear hub removal (see pictures).  This particular tool is for the TR-4A IRS, the TR-250 and TR-6, i.e. independent rear suspension cars.  However, I have also used it on solid axle cars (TR-3 and TR-4), and it seems to work on these as well.  I can't remember exactly, but I may have had to set up some spacers to make it work on solid rear axle cars. 

 Anybody want to make me an offer?  My health is failing, so as much of my old Triumph stuff I can get rid of, the happier my wife will be.  Thanks.

Jack


      From: Yellow04 <yellow04 at tr4racer.com>
 To: fot at autox.team.net 
 Sent: Sunday, August 14, 2016 7:41 AM
 Subject: [Fot] Stub axle separation
   
Steve,

I'm in the same boat as Charly, and conversations with numerous people on the subject revealed we are by no means alone! 

What you are describing sounds very much like what I have repeatedly attempted. Once the factory bond is broken, I have no trouble servicing the stub axle with my 20 ton press, but getting them to let go that first time has required a trip to a shop with bigger toys that I have.

As a picture is worth a thousand words, any chance you can post one of a stub axle in your 20 ton rig and where you are punching the flange? 

Since I started racing an IRS car, this care and feeding of the diff is taking some getting used to...

> -----Original Message-----
> From: Steve Yott
> Subject: Re: [Fot] IRS Diff Cover
> 
> Charley,
> This operation can take a press of up to 40 tons and listen for the "BANG"
> when it goes....  I normally pop them in my 20 ton press by using a thread
> protector I made on the lathe and have the flange completely encircled with
> press plates.  When you have the press fully up to pressure take a large brass
> punch and  hammer.  Position the punch on the flange and give it a good
> whack.  The shock created should start a pressure ripple in the flange and
> when sufficient it will let go with a bang.  Literally sounds like a shotgun going
> off.
> 
> Works all the time for me!
> 
> Steve Yott
> 
> -----Original Message-----
> From: Charly
> Subject: Re: [Fot] IRS Diff Cover
> 
> This a little off this subjecy, but not much. I'm rebuilding a TR6 diff and need y
> to put new bearings in the stub axel. What is the best way to pull the flange
> off? I've tried my press, with no success and I'm concerned about ruining the
> threads.
> 
> Charly Mitchel 


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