QRAE II User Guide
Page 62
5. Turn over the cover and pull off the plate with the pump attached.
6. Turn over the plate holding the pump, and lift the pump off.
7. Replace the pump by pressing the new pump firmly into its recessed area on the
plate.
Note: The O-rings must be mounted on the plate, and not the pump.
8. Press the plate back into the rear of the cover.
9. Set the cover back onto the front of the QRAE II Pump, and press it into place.
10. Turn over the QRAE II Pump, and tighten the two screws to hold the cover. Do
not overtighten the screws.
9.7 Cleaning
Occasional cleaning with a soft cloth is recommended. Do not use detergents or
chemicals. Do not submerge the QRAE II or place it under running water. If necessary,
you can use a damp cloth (water only). For the diffusion model, it is a good idea to install
the Calibration Adapter before cleaning the QRAE II’s housing, to keep dirt, dust, or
moisture away from the sensor openings and to keep the filter clean.
Visually inspect the contacts at the base of the QRAE II, on the battery, and on the
Charging cradle to make sure they are clean. If they are not, wipe them with a soft, dry
cloth. Never use solvents or cleaners.
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