Agilent Technologies PHD-4 User Manual page 43

3
Using a tool, unscrew the sintered filter C located inside the
cone.
4
Clean the filter with a grease remover and dry with dry
compressed air. Check the connections and inspect the flexible
tube for any damage.
5
Retighten the sintered filter and the sampling cone
PHD-4 Portable Helium Detector User Manual
Technical Information
Routine Maintenance of the PHD-4
/ 87-900-120-01 (F )
5
C
91/140