While you wait for answers, we may have found some information which could help you.
Click here for Kitchenaid Mixer Model
How to disassamble kitchenaid KSM90 mixer?
Kitchen Aid - speed lever?
My Kitchenaid blender spindle has broken?
Replace a Cord on a Kitchenaid 4c mixer?
My kitchenaid professional series stand mixer won't turn on?
kitchen aid 550 professional burned up motor?
howtomendit.com for free repair help, information and advice.
