The only thing I had to winterize on mine was the ice maker. If you have one, make sure to get the antifreeze through it. Make sure the drip tray under the fins in the top of the refer is empty also.
Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.