[TR] speedo cables etc

[Tom Note]

Thanks for that info, John.

Tom


----- Original Message ----- 
From: "John Macartney" <john.macartney at ukpips.org.uk>
To: <triumphs at autox.team.net>
Sent: Wednesday, December 03, 2014 5:34 AM
Subject: [TR] speedo cables etc


> Both my Triumphs had twitching needles and then one of them broke 
> successive
> cables. Rather than take the instrument to pieces on the car that was
> breaking the cables, memories jogged on what we did in the Coventry 
> Service
> Department with such issues. Often, it was because of a 'dry' outer cable
> sheath and sticky residue within it. Although it was a pain for some cars,
> we removed the whole outer cable and soaked it in a diluted degreasing
> solution, then applying a good blast of compressed air to shift the muck.
> Amazing what often came out. Then re-thread the outer cable back into 
> place
> avoiding any sharp bends. Taking the inner drive cable and with a gloved
> hand, apply about a teaspoon full of clean engine coil to the palm of one
> hand and run the drive cable up and down the whole cable length through 
> the
> oiled fist several times. This oil deposit will be enough to ensure free
> rotation within the outer cable without excesses going where they're not
> wanted. Re-insert in outer cable and connect at both ends.
> I'm not saying this will cure all probs but it did with mine and a good 
> few
> others. Seeing one or two suggestions about pouring 3 in 1 type lube in
> small quantities into the outer cable. Hmm, don't forget a twisting cable
> can act as a very effective pump and the last thing anyone wants is an
> excess of oil in the speedo head.
>
> Jonmac
>
>
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