6-7
The following pictures show the appearance of system switch.
6.2.5 Remove the Left Front Panel Assembly
1. Unscrew the two screws and disconnect the related lines as shown below.
2. Disconnect all the tubes connected to the system switch, O2 flush button, needle valve,
pressure gauge, total flowmeter and main unit and remove the left front panel from the
main unit.
O2 system switch
O2+AIR system switch