5-13: Guidance of disassemble the Air valve.
A: Take off the PCB box cover. And we can see air valve. ( Refer to GUIDANCE OF CHANGE
MAIN PCB.)
B
：
With help of long nose pliers move the clips away from the air valve. ( As the picture below
show.)
C: Disconnect all the air hose that connect to air valve.
Locate air valve.
Grip the claw of the clip and pull it
up slowly.
All the clips have been move away
from air valve.
All the air hose have been
disconnected.
