Dick,
I suppose you can use graphite or MoS2 grease as long it can handle
water as Lithium grease can. Pure Graphite powder I would not personally
use but it may be perfectly OK. I do not know.
Kees Oudesluijs
NL
Dick Matson wrote:
> Is graphite not a good speedo cable lube - or is using graphite an obsolete
> idea ?
> Dick Matson
> _________________________________________________________
>
>
> Sent: Monday, April 19, 2010 1:03 AM
> Subject: Re: [Healeys] speedo
>
>
> In general a speedo (or rev counter) cable should never be lubricated
> with oil. This will nearly always lead to problems: to much oil being
> used, pumping action up or down, little resistance to corrosion.
> Let the outer cable soak in petrol or white spirits for a day or use a
> degreaser unit to pump degreasing agent through the cable for a while.
> Rinse out thoroughly with clean petrol or white spirits and let dry
> forcing some air from an air gun through it.
> Clean your inner cable in petrol or white spirits, dry thoroughly and
> apply lithium grease sparingly (ball bearing grease as used in the wheel
> bearings, this can endure some water). Just a thin coat well worked into
> the strands will be sufficient. Needles to say that everything,
> including your hands, should be spotlessly clean. That should be all. No
> pumping action and oil/grease in the wrong places.
> Also make sure you shim out the angle drive (or the standard drive on
> the box in other applications) and speedo. There should never be any
> load from the inner cable onto the drive or the speedo.
> If the clamp ring on the inner cable is on the speedo side, check with
> the cable fitted to the speedo: there should always be a little play
> up/down with the speedo connected and the angle drive disconnected. Take
> measurements at the angle drive side, the male part (cable end should be
> shorter than the hole in the angle drive is deep).
> If the clamp ring is on the angle drive side apply the same procedure
> with the cable fitted to the angle drive.
>
> In short:
> Use grease, not oil and make sure that the inner cable can move up and
> down a little when fitted in any application. Of course it also should
> turn freely and there should be no kinks in outer or inner cable.
>
> Kees Oudesluijs
> NL
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