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Maintenance of compound molecular pump
(1)
Components to be checked
1)
Wick holder
To be free from dark stain.
(Oil reservoir)
Not to be dry.
Not extremely discolored.
2)
Ball bearing
Replace once every two years.
(2)
How to check
1)
Remove the rear panel.
2) The compound molecular pump comes in sight. Remove the screw cap on the
rear of the pump.
3)
The wick holder comes in sight. Hold the wire and take out the wick holder.
4)
Check that the wick holder is not contaminated, not dry and not discolored.
5) Replace the wick holder with a new one, if necessary. (The wick holder cannot
be reused.) After one year use, replace the wick holder with a new one
unconditionally.
6)
Reassemble the pump by reversing the disassembling procedure.
* Replacement of bearing requires high skill. Contact ULVAC for replacement.
Содержание HELIOT 301
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