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From: Jim Isbell (no email)
Date: Thu Aug 19 1999 - 09:53:44 EDT
I still havent heard what kind they are so I will just offer what I have.
On my boat they are bronze gate valves, the worst kind. The engine intake
was frozen open and after trying several oils on the shaft to no avail I
finaly decided that since it was stuck open the worst case scenario would
be that it would break in the open position if I forced it. It it broke in
the open position I could still motor to the dry dock to replace it.
So....I forced it with a pipe wrench.
It popped loose and started working. I now regularly work the valve to
keep it in working condition.
If a gate valve is frozen in the closed position there is a chance you can
pull the shaft out of the gate by forcing it. But then, if its stuck shut
and it breaks that way...what did you lose by trying???
Cheers
Jim Isbell
http://members.tripod.com/~Jim_Isbell/
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