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GasAlertMicro 5/PID/IR
Attaching the Accessories
Replacing the Pump Nozzle
To replace the pump nozzle, refer to Figure 8. and step 1-4.
Figure 8. Replacing the Pump Nozzle
Note
If the nozzle is damaged, replace it immediately to ensure 
accurate pump flow. To order additional pump nozzles, refer to 
Replacement Parts and Accessories
. 
1. Deactivate the detector.
2. Gently insert a medium-sized flathead screwdriver into the 
nozzle slot. Twist the screwdriver slightly to lift and remove the 
damaged nozzle.
3. Insert the new nozzle. Ensure the nozzle post inserts correctly 
into the nozzle gasket.
4. Activate the detector. The detector performs a pump test dur-
ing the startup self-tests to verify the pump module is operating 
correctly.
Attaching the Auxiliary Filter
The Pump Module Auxiliary Filter (“the filter”) is used to filter out 
particulates that can decrease the life span of the pump.
Figure 9. Attaching the Auxiliary Filter