Replacing The Battery Or Sensor; Replacing The Battery; Replacing The Sensor - Honeywell GasAlert Extreme User Manual

GasAlert Extreme
User Manual

Replacing the Battery or Sensor

To avoid possible personal injury, adhere to the following:
• Replace the battery in a safe area, free of hazardous gas
immediately when the detector enters low battery alarm.
• Use only the Energizer 1CR2 battery.
• Use only the sensor specifically designed for the GasAlert
Extreme model. Otherwise, the detector will not monitor the
target gas. Refer to Replacement Parts and
• After replacing a sensor, allow the new sensor 5 minutes to
stabilize before use. For an ETO or NO sensor, allow the new
sensor 2 hours to stabilize before use.
• Do not expose a sensor to vapors of organic solvents such as
paint fumes or organic solvents.
When the battery is removed from the detector, the clock
reverts back to the default value. Refer to
To preserve the life of the battery, deactivate the detector when not in
use.
For additional information regarding problems caused by a sensor
requiring calibration or replacement, refer to Troubleshooting.

Replacing the Battery

To replace a battery, complete the following. Refer to Figures 4, 5, and 6
and Tables 11, 12, and 13. Replace the battery in a safe area, free of
hazardous gas.
43
a Warning
Accessories.
Note
Clock Option.
1. Deactivate the detector.
2. Remove the four machine screws on the rear shell and remove
the rear shell.
3. Remove the battery.
This instrument contains a lithium battery. Do not mix with the
solid waste stream. Spent batteries should be disposed of by a
qualified recycler or hazardous materials handler.
4. Insert the new battery.
5. Re-assemble the detector. When assembling the detector be
aware of the following:
• Clean the seal on the front and rear shells with a soft damp
clean cloth. Do not use solvents, soaps, or polishes. Refer to
Figures 5 and 6.
• Ensure the front and rear shells are properly aligned to ensure
a proper environmental seal.
• Torque the screws to 3-4 in-lbs in a crisscross pattern to
ensure a proper environmental seal. Do not overtighten.

Replacing the Sensor

To replace a sensor, complete the following. Refer to Figures 4, 5, and 6
and Tables 11, 12, and 13.
1. Deactivate the detector.
2. Remove the four machine screws on the rear shell and remove
the rear shell.
3. Remove the two machine screws from the PCB.
c
Warning