69
GasAlertQuattro
User Manual
Replacing the Sensor Filter
To replace the sensor filter, refer to
and the
following steps 1-9.
Figure 24. Replacing the Sensor Filter
1. Press and hold
C
to deactivate the detector.
2. Press the release latch and remove the battery pack. Refer to
.
3. Remove the six machine screws from the rear shell.
4. Remove the front shell.
5. Remove the sensor filter.
before inserting the new filter. Ensure the
filter is laying flat and that the holes are correctly aligned over
the filter posts.
Figure 25. Inserting the Sensor Filter Correctly
7. Replace the front shell. Press the front and rear shells together
firmly to ensure a proper seal. Ensure the front and rear shells
have a tight, uniform 1/16 in. (1 mm) seal on all sides of the
detector.
8. Replace the six machine screws using 3-4 in. lbs torque. Do
not overtighten the screws.
9. Replace the battery pack.
