"Ed Edelenbos" wrote:

The elevating shaft has frozen in it's eccentric tube. I tried for
weeks, soaking in penetrating oil, heat, good old fashioned banging.
It is stuck and will never be useable again.

Don't bet the farm.

If PB Blaster as Morris has suggested doesn't work, try Kroil from
Kano Labs in Nashville.

www.kanolabs.com

It has yet to let me down.

Lew