75
GasAlertMicro 5/PID/IR
Maintenance
Replacing the Lithium Battery Pack
To replace the lithium battery pack, refer to Figure 14. and the following 
steps 1-4.
Figure 14. Replacing the Lithium Battery Pack
1. Open the latch on the bottom of the detector.
2. Remove the battery pack by lifting the bottom of the pack 
upward from the detector.
a Warning
Do not disassemble lithium battery packs. Read and 
adhere to the cautions in Battery Cautions
.
3. Replace the battery pack with a fully charged lithium 
battery pack.
4. Close the latch.
Replacing a Sensor or Sensor Filter
a Warning
To avoid personal injury, only use sensors that are 
specifically designed for the detector. Refer to 
Specifications
.
Each sensor has a high degree of resistance to common vapors and 
gases. To clear a sensor, place the detector in a clean environment 
and wait 10 to 30 minutes.
Do not expose a sensor to vapors from organic solvents such as paint 
thinners and acetone. For a list of common products that can damage 
sensors, refer to Sensor Poisons and Contaminants
.
For sensor problems, refer to Troubleshooting
.