[Opera-CONNIE] Fwd: Pump picture

[Guillermo Fernandez]

Kevin,
the switch selector is in the "115" position, and the measured voltage in the cord of the vacuum pump is 120V which seems to be in the voltage range: manual MVP 015-2, page 10. This power is coming from the UPS.
Guillermo


On Jan 14, 2015, at 1:10 PM, Kevin R Kuk wrote:

> Is There 110 volts on the input to the rougher at the end of the AC cord into the Rougher?
>  
> From: Santa [mailto:juancruzestrada at gmail.com] On Behalf Of Juan Estrada
> Sent: Wednesday, January 14, 2015 10:03 AM
> To: Guillermo Fernandez
> Cc: <opera-connie at listas.if.ufrj.br>; Andrew G Lathrop; Kevin R Kuk
> Subject: Re: [Opera-CONNIE] Fwd: Pump picture
>  
> Maybe the problem is in the fuses?
> 
> On Jan 14, 2015, at 9:44 AM, Guillermo Fernandez <fmoroni.guillermo at gmail.com> wrote:
> 
> Hello,
>  
> Response to Juan suggestions:
>  
> 1) loose ac plug to the backing pump. See the grey cord in the attached picture, it should have
> a latch holding the plug in place.
> all the cables seem to be in the right place and well attached
>  
> 2) the green I/O switch on the backing. This switch could be hard to see, look at the attached
> picture.
> the green switch on the backing pump is ON.
>  
> Questions:
> 1) does the turbo pump get to full speed?
> 2) what is the vacuum gauge measuring?
> the gauge is measuring 22mbars. We didn't let the turbo pump to run for a long time in case the high pressure (22mbars) produce some damage on it.
> Do you want us to try it?
>  
> Guillermo
>  
> On Jan 14, 2015, at 12:04 PM, Juan Estrada wrote:
> 
> 
> Hello
>  
> we are looking at a pump exactly the same as the one you have in CONNIE.
> The only way we can get the turbo pump to spin without turning ON the backing
> pump is by disconnecting the AC power to the backing pump.
>  
> We can imagine two ways to do this.
> 1) loose ac plug to the backing pump. See the grey cord in the attached picture, it should have
> a latch holding the plug in place.
> 2) the green I/O switch on the backing. This switch could be hard to see, look at the attached
> picture.
>  
>  
> Questions:
> 1) does the turbo pump get to full speed?
> 2) what is the vacuum gauge measuring?
>  
> Thanks,
> Juan
>  
> Begin forwarded message:
> 
> 
> From: Kevin R Kuk <kuk at fnal.gov>
> Subject: Pump picture
> Date: January 14, 2015 at 8:57:18 AM CST
> To: Juan Estrada <estrada at fnal.gov>
>  
> 
> <image.jpeg>
> 
> <image.jpeg>
> Sent from my iPhone
>  
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