ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 304)

8-20 IETG FlowHawk Manual
Replace the desiccant in the following way:
1. Clip the cable ties securing the dryer tube to the monitor, when
applicable.
2. Use a 16-mm (or 5/8-in) nut driver to remove the inset nut at
the free end of the dryer tube (end of the tube opposite the
brass barbed fitting). Do not use pliers to remove this nut from
the tube!
Free end of dryer tube with inset nut
Warning: Do not attempt to access the desiccant in the
dryer tube through the end of the tube with the brass
fitting! This fitting is not designed for removal.
Removing the fitting will damage the dryer tube and break
the moisture seal on that end of the tube.
3. Use needle-nose pliers to gently remove the black foam
packing material just inside the opening.
4. Pour out the old desiccant beads from the dryer tube.
5. Refill an equivalent amount of new desiccant beads into the
tube.
6. Carefully replace the foam packing into the dryer tube.
7. Replace and tighten the nut on the dryer tube.
8. Secure the dryer tube to the monitor using cable ties, when
applicable.
9. Use the diagnostics function in the Profile or Qstart software
to fire the sensor and check that the sensor is working correctly.