On 3/30/10, John Rodgers <inua@charter.net> wrote:
> ...Therefore the lubricant needs to be changed
> out periodically to replace the broken molecular chains. It just makes
> sense. I picked two years for the change out just based on my own
> experience with running machinery. No book told me to do it that way. It
> just seemed appropriate in my experience. Seems to work.

Me too.  My 'system':  I change it during the Olympics, summer and
winter, so it gets done every 2 years.  TV in the garage, I like to do
it during the Marathon & Cross-country skiing as those events don't
require constant attention.

Geo