Re: AW: AW: SER1 Differential rebuild

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Hi Ulrico,

Changing the bearings will almost certainly change the thickness of the=20
shims, although probably by a small amount and less than if you changed=20
more than that.  I believe you also said that the bearings on either side=
=20
of the diff case were loose, which is almost certainly something you will=
=20
need to address.  As Allan suggested, follow the manual very carefully ...

George E Sollish=09Chief Engineer=09=09Auto Gear Equipment
 =09=09=09Project Manager=09=09The Payne Lake Project

On Wed, 29 Jun 2005, Ulrico Becker wrote:

> Date: Wed, 29 Jun 2005 08:17:33 +0200
> From: Ulrico Becker <ulrico.becker@xxxxxx.xx>
> Reply-To: series1@xxxxxxxxx.xxx
> To: series1@xxxxxxxxx.xxx
> Subject: AW: AW: SER1 Differential rebuild
>=20
> 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
>
> -----Urspr=FCngliche 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 ye=
ars
> 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=09Chief Engineer=09=09Auto Gear Equipment
> =09=09=09Project Manager=09=09The 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 t=
o
> be reduced?
>>
>> Ulrico
>>
>>
>
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