I can attest to the fact that skipping this step will leave you with a
gasket nearly an inch too long. After having this ruined gasket on the
shelf for some 18 months, I sectioned it and used Permatex to put it back
together. Too nice to just throw out!
Bob Kramer
TR4, TR4A, TR6, 2.5 Saloon
rgk@flash.net
----- Original Message -----
From: Steven Newell <steven@cravetechnology.com>
To: Triumph Mailing List <triumphs@autox.team.net>
Sent: Wednesday, September 13, 2000 9:38 PM
Subject: Silicon gasket: Justin's pre-conditioning
>
> Since a couple people asked and Justin isn't handy to clarify, here are
the
> pre-conditioning instructions for the silicon gasket that Justin Wagner
from his
> 4 page "owners manual":
>
> To combat the over expansion of the gasket due to heat, it is helpful to
pre
> condition your gasket to the temperatures it will encounter in use. The
follwing
> procedure will help limit the expansion of the silicone and is only useful
if
> performed before installing your gasket for the first time.
>
> Place your gasket on a sheet of aluminum foil, on the center rack of your
oven.
> It should be laid flat and upright. Do not preheat. Set the oven at 300F
or 149C
> degrees and leave it to bake for 3 hours. The room should be well
ventilated.
> (The silicone can handle temperatures far above this, so don't worry, it
won't
> burn at these temperatures!). Then turn off the oven and allow the gasket
to
> cool to room temperature on a flat surface. Once cool, it is ready to
install at
> any time.
>
> Note: this is not the same as simply installing your gasket, and letting
the
> motor condition the gasket. (Installed, the gasket faces rapid temperature
> changes while under pressure from the valve cover.)
>
> In order to keep costs down and the price of the gasket reasonable, this
> procedure was not performed before shipment.
>
> There's some installation stuff, and "care and feeding" instructions too.
>
> --
> Steven Newell
>
>
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