Arne B Lafayette , CA March 11, 2018 Slipping gears on kitchenaid mixer professional 6 Unplug mixer. Took off the top of the mixer (5 screws). Removed 2 screws from gear mechanism. Took off housing of gears. Removed Worm Gear and replaced. Easy job. Mixer fixed. Happy wife :) 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes