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*

Mike,  I think if you support it from the ground it will vibrate the  
whole column.  In the early 90's we had a Amray 1700 Turbo system.   
It used a bellows and a thick rubber sheet that wrapped around the  
bellows fastened by hose clamps,  The orientation of the rubber and  
position of and tightness of the clamps would minimize vibration  
transferred to the column.   Owen Mills




On Sep 17, 2007, at 8:53 AM, Michael Cheatham wrote:

> JEOL Probe Users Listserver
>
> Moderator: Ellery Frahm, [log in to unmask],
> Electron Microprobe Lab, University of Minnesota
>
> Post a message: send your message to [log in to unmask]
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> On-line help and FAQ: http://probelab.geo.umn.edu/listserver.html
>
>
>
> *
>
> Hi,
>    Do any of you have a Pfeiffer/Balzers TPH330 turbo pump on your  
> JEOL
> microprobe?  The TPH330 is one of those turbo's with the rotor  
> oriented
> horizontally or I should say normal to the throat opening.  As  
> such, the
> pump is heavier at one end because of the electronic connection  
> point.  My
> question is how is how is that pump hung/supported on your probe.   
> Is it
> fully hanging from the ISO-K flexible bellows or do you have some  
> kind of
> support under the bottom of the pump.
>     I acquired this 733 in June  with the intention of using it for  
> spare
> parts.  However, what I needed from it was limited too the WDS  
> tanks.  I
> want to see if the instrument is still functional and I'm now  
> trying to
> install it.
>
> Cheers
> Mike
>
>
>
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> Michael M. Cheatham
> 312 Heroy Geology Laboratory                Phone (315)-443-1261
> Syracuse University                         Fax   (315)-443-3363
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