Use a metal spudger to carefully pry off the hubcap without marring the plastic wheel or hubcap.
This plastic material is not replaceable. Any damage will be noticeable.
Remove the 12.0 mm Phillips #2 screw.
Hold the wheel in place, or it will rotate as you attempt to remove the screw.
Pull the wheel off of the square axle.
Do not use excessive force while removing the wheel. Pulling too hard on the wheel can damage the axle.
Remove the three 7.7 mm Phillips #1 screws.
Separate the rubber tire from the rim.
Push the collar out to separate the plastic layers of the wheel.
When reassembling, align the groove and the key of the two wheels' halves together.