[* black] Next, you are going to need to separate the the 2 plastic covers that hold in the motor. To do so, use your metal spudger and wedge it underneath the wheel. When the epilator is on its front side and the on/off is button facing towards you, the wheel is located on the left side. Stick the metal spudger in this space and push to separate.
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[* black] Use a metal spudger to pry open the casing. Be careful not to damage the internal components in the process.