Thermo Scientific VH-D20 Operating Manual page 137

Charged Aerosol Detectors (VH-D20, VF-D20)
Operating Manual
4. Disconnect the gas filter assembly from the gas connectors on the
detector:
a) On the two (push-in) elbow fittings on the detector gas
connectors, push in the locking ring on each elbow fitting (no. 1
in the image below) and keep pushing it while performing the
next step.
Leave the elbow fittings connected to the gas filter assembly.
b) Pull the two elbow fittings off from the gas connectors on the
detector (no. 2 in the image below).
Figure 32: Unlocking an elbow fitting
5. Pull the gas filter assembly out of the clamps.
Figure 33: Pulling the gas filter assembly out of the clamps
7 • Maintenance and Service
Page 137