[Opera-CONNIE] Fwd: Pump picture

[Alejandro Castañeda]

We measured 82.7V at the rougher.


2015-01-14 15:09 GMT-02:00 Guillermo Fernandez <fmoroni.guillermo at gmail.com>
:

>
>
> Begin forwarded message:
>
> *From: *Kevin R Kuk <kuk at fnal.gov>
> *Subject: **Re: [Opera-CONNIE] Fwd: Pump picture*
> *Date: *January 14, 2015 1:46:48 PM GMT-03:00
> *To: *Guillermo Fernandez <fmoroni.guillermo at gmail.com>
>
>  I was interested in voltage at the rougher . Measured by removing the
> power cord going into the rougher (see the earlier picture). This would
> help understand if it is the HiCube or the rougher.
>
> Sent from my iPhone
>
> On Jan 14, 2015, at 10:40 AM, "Guillermo Fernandez" <
> fmoroni.guillermo at gmail.com> wrote:
>
>  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
> <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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-- 
*Alejandro Castañeda*
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