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5973N Turbo Pump noise

Discussions about GC-MS, LC-MS, LC-FTIR, and other "coupled" analytical techniques.

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5973N Turbo Pump noise

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eric3
I have an Agilent 5973N GCMS and at random times the turbo pump sounds as if it is a vent cycle when none has been initiated. This only lasts for a couple minutes then the sound of the pump returns to normal. I have checked vacuum status at the same time this noise begins, and it remains at 100%. Any ideas on what may be the cause and suggestions for solutions are very appreciated. Thanks!!

eric

Re: 5973N Turbo Pump noise

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Steve Reimer
If the turbo pump pitch changes without prompting or serious vacuum leak it is time to price a new one.

Re: 5973N Turbo Pump noise

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eric3
I was afraid that it may the end of the line for the turbo, it is over 10 years old. Thanks Steve!
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