2019 Premium Concept Elite Service Manual
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3.
Unscrew the nut of the air valve.
；
4. Remove the manometer cap and release the air of
liner
；
5.
Unscrew the screws of the base.
6.
Unscrew the insertion screws.
；
7.
Unplug cables of the JET system and control box
；
8.
Take out the old JET element.
9.
Assemble the new JET system in reverse order.
4.11 How to replace check valve (B9301364)
1
、
Take out the control box
；
2
、
Loosen four screws (ST4*60) from the bottom of the
cabinet
