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Subject: Re: chamber pumping
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Date: 12/20/00 at 2:26 PM
Posted by: Jim Tisdall
In Reply to: Re: chamber pumping posted by Frank Placido on 09/15/00 at 5:36 PM:
I am having a problem with high-vac valve not sealing at the moment. I'm working around it by closing an upline air valve, relieving pressure to the valves, and then reopening the valve to give a surge of air which forces the valve to close tight. Suppose I need to break down and pull the hi-vac valve out and service it soon.
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