Instruction 0019-9210
17
The Informant Refrigerant Leak Detector
Figure 4. Probe Filter and Sensor Replacement
Maintenance
A
B
A
B
VIEW A-A
VIEW B-B
SENSOR
FILTER
LINE UP TAB ON
SENSOR WITH
NOTCH IN SENSOR
HOUSING
Procedure:
1. Turn OFF detector.
2. Unscrew probe tip.
3. Remove
fi
lter from top of sensor; then pull out sensor from its socket
and discard.
4. Plug in new sensor, making sure that its tab lines up with notch in
sensor housing.
5. Install
fi
lter, which was removed in Step 3, on top of sensor.
6. Screw on probe tip.
7. Turn ON the detector and check that it responds in a positive manner
to a source of refrigerant gas.