Porter Cable Stand mixer Parts — Browse All Models

Troubleshooting your Porter Cable stand mixer when its shaft isn't spinning

A failed worm wear or damaged planetary gear assembly can prevent the beater from spinning. If the beater doesn't move at all when the motor spins, then the worm gear is likely stripped. Unplug the mixer, examine the worm gear and replace the gear if it's stripped.

If the beater moves around the inside of the mixing bowl but the beater itself doesn't spin, then the pinion gear inside the planetary gear assembly is likely stripped or damaged. Unplug the mixer, pull off the planetary gear assembly and replace the assembly if the pinion gear is damaged or stripped.

How to replace the carbon motor brushes in your Porter Cable stand mixer

• Unplug the stand mixer power cord to disconnect electrical power before you begin the repair.
• Using a slot screwdriver, unscrew the motor brush cap and pull the cap and the carbon motor brush out. Repeat the process on the opposite side to pull the other carbon brush out.
• Looking from the back of the mixer, position the right side carbon brush with the flattened corner facing the upper left corner of the brush holder. Insert the right side brush into the brush holder. Reinstall the brush cap. Position the left side brush with the flattened corner facing the lower right corner of the brush holder. Insert the left side brush into the brush holder. Reinstall the brush cap.
• Plug in the stand mixer power cord and test mixer operation.