INFICON Protec P3000(XL) Helium Leak Detector - Manual (Page 110)

7-5
Maintenance
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7.4.1 Replacing the felt discs of the capillary filter
(for SL3000 only)
1 Switch off the Protec P3000.
2 Unscrew capillary filter, push out old felt filter from the back side.
Caution
The Protec P3000 must be recalibrated after any maintenance of the sniffer tip!
Fig. 7-5 screwing off capillary filter
Fig. 7-6 pushing out felt filter