MSA ALTAIR 5X Manual De Uso página 39

Figure 14 Battery Replacement
1 Battery Holder
3. For alkaline battery packs (ALTAIR 5X only):
a. Remove the battery holder circuit board from the pack door.
b. Replace the 3 cells, using only those listed on the label.
c. Be sure to observe proper polarity on the cells.
d. Place the battery holder circuit board back in the device and reinstall the door.
4. When replacing the battery, be sure to accurately align screws and battery with housing.
5. Screws should be tightened and torqued to 5.5 in lb.
5.4 Maintenance Procedure - Replacing or Adding a Sensor
Any factory-installed Series 20 sensor may be removed or replaced with another Series 20 sensor of the same gas type.
Any XCell sensor may be removed or replaced according to the positions allowed in
If the type of any sensor (including the IR sensor) is to be changed, the device must be returned to an authorized service
center.
NOTICE
Before handling the PC board, ensure you are properly grounded; otherwise, static charges from your body could damage
the electronics. Such damage is not covered by the warranty. Grounding straps and kits are available from electronics
suppliers.
WARNING!
Remove and reinstall sensors carefully, ensuring that the components are not damaged; otherwise device intrinsic safety
may be adversely affected, wrong readings could occur, and persons relying on this product for their safety could sustain
serious personal injury or death.
NOTE: While device case is open, do not touch any internal components with metallic/conductive objects or tools. Damage
to the device can occur.
Figure 15 Possible positions for sensor replacement
1 Combustible sensor
2 O sensor, Two-Tox sensor
2
US
3 NH , CL , H S, SO sensor (position with adapter) or Series 20 sensor
3 2 2 2
4 NH , CL , H S, SO sensor, Two-Tox sensor
3 2 2 2
ALTAIR 5X / ALTAIR 5X IR
5 Maintenance
Table 1 .
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