Brooks G Mukilteo , WA August 01, 2022 Appliance: KitchenAid 6 Quart Professional 600 Bowl Lift Stand Mixer KP26M1XER5 Kitchenaid Mixer Kp26m1xer5: Worn gears. How to replace Screw (8-32 X 5/8). I replaced the Gear kit. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes