VJ lube

[Dave Nereson]

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Hi David,
Just one little point. You say you put some VJ lube on the wood
screws, before reinstalling them. In most cases this should be ok,
but I would not recommend any be used on screws that go anywhere
near the pinblock, (i.e. pressure bar screws).
The lubricant in some cases has migrated to the tuning pins, and they
become jumpy.
Young-Chang had this problem, but they cover it under warranty, either
by repairing with plugs, or actually replacing the piano.
Regards,
John M. Ross
Windsor, Nova Scotia, Canada
piano.tech@ns.sympatico.ca

Thanks, John. =20
    VJ lube not being liquid or a spray, I doubt it creeps much unless =
the temperature of the piano's upwards of 100 degrees, if then, and I =
don't see how it could get from a pinblock screw to a tuning pin, but =
that aside, I meant that I use it  mainly on screws that get put in and =
taken out often, like fallboard, keyblocks, keyslip, upright music =
desks, etc.  I wouldn't use it on "structural" screws like pinblocks, =
pressure bars, keybeds, etc., unless they're going in really hard (and =
they usually don't if the screw's already been in that hole).  You don't =
wanna glop it on so that it squeezes out and falls where you don't want =
it.  But thanks for the admonishment of using any kind of lube near =
tuning pins, from which I of course refrain.       --Sincerely,  Dave N.

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