PCME QAL 181 X, User Manual, Page: 104 / 106

- PCME QAL 181 MANUAL: 104 -
4 Cleaning after an Air Purge Failure with Dry Contamination
4.1
Complete steps 3.1 to 3.7 include additional procedures 3.8, 3.9, 3.11 and 3.26
4.2 Open the enclosure lid and disconnect the Detector from end of the Quartz Rod – done by
releasing the nylon screw in the side of the detector holder body.
4.3
Remove the Quartz Rod locating grub screw from the Inner Tube and carefully push the
Quartz Rod, from the enclosure end, through the Seal in the enclosure, and remove it from
the Inner Tube
4.4 Block the Cross-Drilling in the Inner Tube and blow-out the contamination with the Air Duster
(may require an air line, BUT ensure that the airline and air supply are clean and dry) from
the enclosure end of the tube (subject to how it was blocked, remember to unblock the cross
drilling)
4.5
Clean the tube covering the Quartz Rod, then clean both exposed ends of the Quartz Rod
with optical cleaner.
Cross-Drilling hole
Detector – Finger
tighten
screw
when refitting
NOTE - Ensure end of Quartz
Rod is clean before refitting
Detector
Quartz Rod locating
grub screw
‘Seal’ for Quartz Rod