Probably because they'd rather have the lock break and you have to call them....: - )

Jeff Stewart

----- "Dave Mcneely" <mcneely4@COX.NET> wrote:

I can't say how many times I have been told by locksmiths never to lube any lock with anything. That said, how does one get a sticky lock to turn if without SOME sort of lubricant? But, the locksmith's mantra -- don't lube it.

DMc

---- Raymond Paquette <raymondpaquette@GMAIL.COM> wrote:
> DK how it is for unfreezing (I suspect it would help), but for general
> lock maintenance I use a spray that has graphite suspended in some kind
> of volatile solvent. Spray it in, and it gets the graphite everywhere,
> and leaves it there once the solvent evaporates.
>
> It's not the easiest to find, but you'll find it if you look and ask.
>
> Ray
>
>
> On 12/14/2010 11:07 PM, Mike S wrote:
> > At 09:45 PM 12/14/2010, John Meeks wrote...
> >> This works for me:. Spray some WD40 on your key, insert key, repeat
> >> until
> >> key turns.
> >
> > Ouch. While it might provide some immediate benefit, WD40 will really
> > gum things up over time. Alcohol is what's called for when unfreezing
> > locks, because it completely evaporates. You can buy small tubes
> > designed exactly for that purpose (sometimes with a bit of graphite for
> > dry lubrication) for under a buck. A thin lubricant, such as RemOil or
> > Kroil or maybe even PB Blaster, would be better than WD40, but I
> > wouldn't recommend even those, unless trying to free up a lock which is
> > already gummed up (as opposed to simply frozen).
> >
> > One can also use the old trick of heating a key with a lighter, then
> > inserting it to thaw a lock.
> >

--
David McNeely