INFICON Protec P3000(XL) Helium Leak Detector - Manual (Page 107)

Maintenance
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7.2 Exchanging the air filter
To exchange the air filter, place the Protec P3000 on its front-side or position it on
the edge of a sturdy bench. If placing it on the edge of a bench, please pay attention
to its center of gravity. If placing it on its front-side, please remove the sniffer line and
the built-in PRO-Check first.
Notice To prevent scratching of the front-cover, it is recommended to use a soft
base.
1 The fastener for the air filter is on the bottom of the Protec P3000.
2 Screw out the fastener screw.
Caution
The air filter should be checked for contamination at least every 6 months and
should be definitely exchanged after 2 years.
Warning
Before exchanging the filter the Protec P3000 must be disconnected from power.
Fig. 7-1 Fastener for the air filter on the bottom of the leak detector