KitchenAid KSMSIA Guide Des Produits page 7

2.
For Stand Mixer with a hinged attachment hub cover: Flip up to open.
For Stand Mixer with a removable attachment hub cover: Turn the attachment knob
counterclockwise to remove the attachment hub cover.
3.
Insert the Main Housing into the attachment hub, make sure the power shaft fits into the
square hub socket. If necessary, rotate the attachment back and forth for proper fitment.
The pin on the attachment housing will fit into the notch of the hub rim when in the proper
position.
4.
Tighten the Stand Mixer attachment hub knob clockwise until the attachment is completely
secured into the Stand Mixer.
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