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RE: TR2/3 installation of rear seal

To: <triumphs@autox.team.net>
Subject: RE: TR2/3 installation of rear seal
From: "Randall" <tr3driver@comcast.net>
Date: Thu, 2 Sep 2004 16:12:17 -0700
> Asking about experiences installing original rear seal on TR wet sleeve
> engines. Did most make up a mandrel according to manual specs and
> use this
> to center seal halves?
> Any other techniques to center seal? Seems centering using mandrel, then
> removing and installing crank, then re-installing seals leaves
> lots of room
> for loosing original setting.

Not really.  You remove and reinstall the rear main cap with the seal half
firmly attached, which is a fairly major piece of kit.

> At this point in engine re-build, so wondering if going off and
> making up a
> mandrel and following the book is the way to proceed.
> Thanks for any insights.

The dimensions shown in the book are supposedly wrong and result in too much
seal clearance.  According to a long-ago post from Hardy Prentice (I think),
the 2.822" shown in the book should actually be 2.818".  And Brad Eells
replied that the nylon tool sold by Moss was 2.823", even bigger than the
too-big dimension shown in the book.

Randall

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