On Wed, 01 May 2013 09:43:56 -0700 Oren wrote:

Had he removed the wire from the control box and pull the wire out of
the conduit, the elbow *should* spin off.

I'll say it bluntly that fear of the unknown is my reason.

I'm afraid of touching anything in the $$$ control box.
Someday I'll have to tackle it though, because I can't find
the darn heater fireman switch - but that's for a later day ...

By the way, the motor cleaned up instantly with the muriatic
acid. I was shocked how the deposits just frizzled away.
(muuuuch quicker than with the toilet bowl deposits!)

Here's the motor being doused with the acid (outside!).
http://www5.picturepush.com/photo/a/...g/12827578.jpg

Notice the instantaneous action on the concrete:
http://www1.picturepush.com/photo/a/...g/12827579.jpg

Dousing with the hose washed almost all the deposits off:
http://www3.picturepush.com/photo/a/...g/12827581.jpg