5-16: Guidance of Disassemble the Air valve
A: Disassemble the backrest assy. ( Refer to
5-1: Guidance of disassemble the backrest assy.
)
B: Locate the main PCB box assy at bottom. Use screw driver slacken and remove the two
screws which fixing the main PCB box assy to the frame.( As pictures below show )
C: Pull the main PCB box out a few. Then use screw driver slacken and remove 6 screws which
secure the main PCB box assy cover. Then remove the cover. ( As pictures below show )
D: Locate the air valves on the right side of the board. Use diagonal cutter get ride of these
cable ties which secure the wire harness of air valve. ( As the pictures below show )
Locate the 6pcs screws
Main PCB box assy cover
has been removed
Locate the air valves
Locate the cable ties
Pull the main PCB box
assy
Locate the two screws
