MSA Altair 5X Mode D'emploi page 60

1. Verify that the instrument is turned OFF.
2. Remove the battery pack.
3. Remove the two remaining case screws and the case front.
4. Gently remove the sensor to be replaced.
5. Carefully align the new sensor contact pins with the sockets
on the printed circuit board; press it firmly in place.
Note the position restrictions in the following TABLE.
• Adapter (P/N 10110183) is required for XCell usage
in Position #3.
• ENSURE THAT A SENSOR PLUG IS PROPERLY INSTALLED
IN ANY POSITION THAT DOES NOT HAVE A SENSOR.
• The plug for XCell positions is P/N 10105650.
The Series 20 plug is P/N 10088192.
SENSOR
XCell combustible sensor
XCell O sensor
2
XCell CO-H
2
XCell SO , Cl
2
Series 20 sensor
Figure 4-3. Sensor Replacement
S Two-tox sensor
, NH
2 3
OPERATIONAL ONLY IN
Position #1
Position #2
Position #2 or #4
Positions #3 or #4
Position #3
4-5