How to repair the parts in the switch of washing machine?

1. First disconnect the power supply of the washing machine, loosen the screws on the left and right sides of the washing machine with a screwdriver, press the front cover buttons on both sides with your fingers, and remove the front cover.

2. Secondly, loosen the three screws of the back cover of the washing machine, take out the back cover, unscrew the screws of the four corner holes, remove the screws of the back cover and open the back cover.

3. Finally, loosen the four screws on the outer barrel cover, take off the outer barrel cover, unscrew the screw in the middle of the pulsator, and then unscrew the big nut with a tool to install the fallen parts.