mspa DELIGHT BUBBLE Spa - 4.10 How to replace Rotation Knob (B9301267)

2019-2020 Delight Service Manual
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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