AW: AW: SER1 Differential rebuild

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Hi George,

as I will only change the bearings and not replace pinion and crownwheel,
they do not need to be repositioned. In any case I will measure the
bearings' length (normally they are 0 to -15 micrometer or so). I believe
that all the present shim constellation can be used as it is.

I will let you know how it progresses.

Cheers, Ulrico

-----Ursprüngliche Nachricht-----
Von: series1-host@xxxxxxxxx.xxx [mailto:series1-host@xxxxxxxxx.xxx] Im
Auftrag von George E Sollish
Gesendet: Dienstag, 28. Juni 2005 17:19
An: series1@xxxxxxxxx.xxx
Betreff: Re: AW: SER1 Differential rebuild

Hi Ulrico,

I don't have any direct experience building diffs, but I've had thirty years
listening to chaps who do and I can tell you that if you want to maximize
life and minimize noise it's a tricky business even for those who do it
regularly -- it's considered an art.

I can also tell you that tapered bearings don't survive with no preload,
although I don't have the shop manual handy so I can't tell you how much
interference you want with new bearings.

Good luck!

George E Sollish	Chief Engineer		Auto Gear Equipment
 			Project Manager		The Payne Lake Project

On Tue, 28 Jun 2005, Ulrico Becker wrote:

> Date: Tue, 28 Jun 2005 16:36:08 +0200
> From: Ulrico Becker <ulrico.becker@xxxxxx.xx>
> Reply-To: series1@xxxxxxxxx.xxx
> To: series1@xxxxxxxxx.xxx
> Subject: AW: SER1 Differential rebuild
> 
> This is my impression too. There were too many fragments, so I would 
> have noticed something looking at the diff although it is not dismnatled
yet.
>
> Ulrico
>
>  _____
>
> Von: series1-host@xxxxxxxxx.xxx [mailto:series1-host@xxxxxxxxx.xxx] Im 
> Auftrag von Eighty Inch
> Gesendet: Dienstag, 28. Juni 2005 15:40
> An: series1@xxxxxxxxx.xxx
> Betreff: Re: SER1 Differential rebuild
>
>
> Ulrico
>
> I have no expertise with diffs so won't make a comment about play and 
> bearings.
>
> However I did wonder if the teeth fragments were from a previously 
> broken axle?
>
> Cheers
> EIR
> ----- Original Message -----
> From: Ulrico  <mailto:ulrico.becker@xxxxxx.xx>; Becker
> To: series1@xxxxxxxxx.xxx
> Sent: Tuesday, June 28, 2005 11:28 PM
> Subject: AW: SER1 Differential rebuild
>
> Apparently nobody has had any exposure to this question as there was 
> no reply. I have decided to change all bearings and think the axial 
> play of the differential wheels is normal.
>
> Ulrico
>
>  _____
>
> Von: series1-host@xxxxxxxxx.xxx [mailto:series1-host@xxxxxxxxx.xxx] Im 
> Auftrag von Ulrico Becker
> Gesendet: Sonntag, 26. Juni 2005 19:25
> An: series1@xxxxxxxxx.xxx
> Betreff: SER1 Differential rebuild
>
>
> Having removed the rear differential I find more teeth of something, 
> but all visible components seem without harm.
>
> I will replace the pinion bearings. Should I replace the differential 
> bearings too, what are your opinions?
>
> The differential wheels have some axial play (1 mm). As it is the 
> first time I am going to rebuild one, is this play ok, or does it need to
be reduced?
>
> Ulrico
>
>

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