DKN SMART POWER MACHINE Manual page 21

5. Take out the Speaker, the screw positions are as follows;
Repair Instructions
Use a screwdriver to remove the 4 screws shown in the figure. The picture above
shows the location of the screws that secure the Speakers. After removing these
screws, the Speakers on both sides can be removed.
Note that the tightening torque used must comply with the reference values for
the specific type of screw. Otherwise the screws may be permanently damaged.
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