Nancy S Chambersburg , PA February 21, 2020 Appliance: KitchenAid Mixer KSM103 Kitchenaid Mixer Ksm103: I did not raise the mixer head and so each one i installed became chipped. How to replace Coated Flat Head Beater. I saw a video on how to adjust the mixer and now the new mixer head moves smoothly. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes