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Thread: JB Vacuum Pump
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20-12-2012, 02:58 PM #1
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JB Vacuum Pump
I bought a brand new JB vaccum pump 5CFM, and filled oil that ships with the pump.
Started vaccum opened partially balast valve but it goes closed as pump vibrates.
Then I totally opened the ballast valve and it run for 10 minutes but the pump shut down.
The pump was very hot at this time.
I waited about 1 hour for the pump to get cold and it worked again.
Is it normal or the pump is supposed to have a failure ?
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20-12-2012, 04:29 PM #2
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Re: JB Vacuum Pump
definitely not normal
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20-12-2012, 07:53 PM #3
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Re: JB Vacuum Pump
It was setup to 230V. I change it to 120V and now it works fine. I think most JB pumps ship as 230V to some countries. But they don't have a key. One has to remove a small cover near the ON-OFF button and change the position of wires.
Last edited by Acrisoft; 20-12-2012 at 07:56 PM.
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20-12-2012, 11:22 PM #4
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Re: JB Vacuum Pump
One needs to read the manual before use.
Originally Posted by Acrisoft
Brian - Newton Abbot, Devon, UK
Retired March 2015
