David Griffith wrote:
I'd steer
clear of any oil, even watch oil--it'll just attract dirt.
If the crud in my own keyboard is any indication, that's not
something that you'd want.
Perhaps the spray lubes often used by Rubik's Cube people will do well.
Does Rubik's cube lube come in a tube? :-)
I think I'm wary of anything used by the gun and automotive crowd just because
the fact that it works on metal doesn't necessarily mean that it won't harm
plastics - but something that says it works with plastics is probably the best
bet.
I do think the problem I'm having is the key binding due to twisting when
pressed - the right shift key does appear to be the longest key that has an
additional unsprung support and yet doesn't have a travel bar beneath, so on
an old keyboard (that's potentially seen a lot of use) it's probably not
surprising that it's the first to have problems.
It's fine if pressed in the middle 50%. The left 25% feels a little less
smooth, but still doesn't bind - it's only when pressed on the right 25% (i.e.
anywhere to the right of the spring center) that it's prone to not going down
(or, once in a while, going down and then sticking in the down position).
I'll see what I can find for dry lubes anyway - if no luck there then I'll
investigate adding a travel bar to the underside of the key...
cheers
Jules