Re: [ST] Tech Info

[Neil Lindsey <NeilLindsey@xxxxxxx>]

like I said .......

the key word is CLEAN .... not SOAK.  It's fine to clean the surface with WD40 or
kerosene, just don't soak it in a bath of the stuff, or the 'lifetime' lubricant that is
sealed in by the X-rings (or O-rings) will be dissolved.

Neil

- ----- Original Message -----
From: "Welsh, Jay (GEAE)" <jay.welsh@xxxxxxxxx>
To: "'digest'" <ST@xxxxxxxxxxxxxx>
Sent: September 30, 2004 12:04 PM
Subject: re: [ST] Tech Info


> Date: Thu, 30 Sep 2004 11:30:53 -0400
> From: "Heyer, Matthew A." <mheyer@xxxxxxxxx>
> Subject: [ST] Tech Info
>
> <snip>
>
> Okay,
>
> now I am suitably confused
>
> Material Safety Data Sheet [MSDS] for WD40 says
> 50% Stoddard solvent (mineral spirits) [8052-41-3]
> 25% Liquified petroleum gas (presumably as a propellant)
> [68476-85-7]
> 15+% Mineral Oil (light lubricating oil) [64742-65-0]
> 10-% Inert ingredients
>
> If the main ingredient of WD40 is calibration fluid / stoddard solvent (an
> emulation of jet fuel or KEROSENE) why is it not okay to use WD-40 but okay
> to use Kerosene to CLEAN a chain. Stoddard solvent or cal fluid is routinely
> used in the test of Aircraft Engine fuel systems containing O-rings of the
> same materials as X-ring and O-ring chains with no ill effect.
>
> I think that someone may be caught up in a misnomer here, I don't care if
> the messenger does work for Triumph.  "Don't use" and "we don't recommend
> using" are unfortunately often used interchangeably.
>
> I will buy into the "don't use WD40 as a lubricant" as I buy into the
> physics of the application and the fact that the contact stresses of a
> roller chain exceed the capability of WD40 to provide lubrication.  That
> doesn't discredit the handful or so people I have met over the years who
> swear by using WD and only WD as a lubricant.  That is their own story, buy
> into it if you wish.
>
> Bottom line I think that just as there should be no fluid susceptibility
> concerns over the use of Kerosene to clean a chain there too should be no
> fluid susceptibility concerns over using WD40 as a chain cleaner either.
>
> Just puzzled in Massachusetts
>
> Jay Welsh
> '00 ST
> '00 KTM LC4 640
> '01 XR650L
>
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