OT: WD40, was: keyboard cleaning

[Sridhar Ayengar]

Chuck Guzis wrote:
> On 7/16/2006 at 9:58 PM ard at p850ug1.demon.co.uk wrote:
> 
>  >Another trick that works very well for me is to try tightening the bolt 
>> slightly. Put the tool on, turn it clockwise (assuming a right-hand 
>> thread), then try turning it anticlockwise again. About 95% of the time, 
>> the bolt comes right out.
> 
> When we work with stuck valve caps, etc.  on brass instruments, rather than
> apply force using something like a strap wrench, what works better is a
> tangential blow with a hammer (rawhide head in the case of brass).  The
> concussive shock works where a steady torque does not--and the chances of
> stripping threads or shearing bolts is much reduced.

When working on my car's suspension and drivetrain, I tend to use a 
combination of penetrating lube, heat and concussion.

Peace...  Sridhar