ReplyI know that oil level in avacuum pump is checked when running because if you shut it off(after closing gauge valves) oil would be pulled toward system causing false reading
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Pulling vacuum lost power
well i waited until we had a beautiful day, was blowing 60 mph a lot this last week and we have a lot of outages on high wind days here in Alaska ,so I assumed ( I know ass out of u and me) that power would be good today, low and behold we had an outage
Last edited by dfishinfool; 11-20-2014 at 03:16 PM. Reason: More info
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I know that oil level in avacuum pump is checked when running because if you shut it off(after closing gauge valves) oil would be pulled toward system causing false reading
Professional Member
So your concern is, when power went out the vacuum in the system sucked some oil out of your vac pump and contaminated the system? I would say that is unlikely. I say carry on.
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.Originally Posted by doc havoc
X2
..
Do not attempt vast projects with
half vast experience and ideas.
...
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30000 isn't that far away from atmospheric, is it? If any oil did get pulled in, I'd guess that it didn't make it any farther than to your hoses.
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Yup. And stop using your gages.
"Right" is not the same as "Wise".
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Just because you can measure it, doesn't mean it is important. Just because you can't measure it, doesn't mean it isn't important.
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At 30k microns, your just getting started. Don't worry about the oil. It'll be fine.
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If power loss is a common problem you worry about, why not install a normally closed solenoid valve that will isolate the pump when ever the pump loses power?
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There's a kit made for this purpose to prevent this. I think it's CPS who sells it. I believe it is like the float ball in a shop vac that chokes the passage when the water rises too far so the motor doesn't ingest the water.
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Bought a j&b platinum, no more worries on that end
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Why don't vacuum pumps have a check valve?
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You can use a sporlan solonoid valve
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