Opti-Air System - barbas Cuatro-7 75-60 User Manual

Maintenance
8.4

Opti-Air system

1.
2.
3.
4.
Post requirements
• Change the 9 V back-up battery every
year.
26
Remove the ventilation air inlet grate.
Get the battery holder. Put a
screwdriver in the small notch of the
lid and pull out the battery.
Replace the 9 V battery and close
the battery holder.
Put the battery holder and ventilation
air inlet grate back.
Cuatro-7 75-60