Here are the steps to replace the wheels for Anker 767 Power Station:

• Find the Gap between the silver and black lining of the wheel. Shown in a red arrow in the figure below: 

• Use a glue stick to remove the left and right castor covers from the cover gap, shown in the Figure below:

• Remove the left and right wheel screws with a hexagonal screwdriver, shown in the figure below:

• After removing the caster wheels from both sides the power station A1780 should look like this, shown in Figure below: 

• Simply replace it with new available wheels by following the above procedure steps, the opposite. The figure below: 

If you have any questions, please contact us for further assistance.