I'm not sure what exactly you are attempting to clean nor why but one of the artciles at the following link might help with the dispenser mechanism on your model:

- Door dispenser Appliance Repair Aid...

LINK > www.applianceaid.com/frig-dispenser.html

JFYI

Dan O.

www.Appliance411.com/parts/?ref411=Kenmore+Fridge

The Appliance Information Site

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Thanks for the info! Did not see the slots, I can now remove years of dust and grime. Thanks very much.