2019-2020
Delight Service Manual
Visit our website at: www.the-mspa.com
- 25 -
3
、
Loosen five screws (ST4*15) from the rear cover
of the cabinet; Loosen two screws (ST4*15) from the
base of the cabinet
4
、
Take out the internal cabinet and power board
；
5
、
Take out the metal tube in the air tube with a
screwdriver
5
、
Remove screws from the PE pipe of checking valve
7
、
Take out the check vale, remove the metal tube in
the other end.
8
、
Assemble the new check valve into the control box in
reverse order
4.10
How to replace Rotation Knob (B9301267)
1
、
Turn the rotation knob to “OFF” position, open and
remove the top cover by hand (as shown in photo)
2
、
Loosen the fixed screw to remove the rotation knob
