Kssc36qts00 ice maker WPW10277449 install question

Brand: kitchenaid
**Model Number:**WPW10277449
Main Symptom:install question
What happens & when:i am replacing the ice maker with WPW10277449 and when i took apart the old ice maker i see spacers where the the bracket matches up with the 3 holes on the bottom of the ice maker unit. Do i have to use the spacers as there were there on the old ice maker between the bracket and the ice maker bottom?

Error Code (if any):
Parts or tests already tried:
Photos / video link:

It is recommended to put back as the manufacturer designed it.