what i did
when i had my old hunter 27 it seemed easier to just use the cooler for short stays. Once you loaded up the icebox with the food, beer, ice etc.. when your weekend was over you had to unload it all over again to take home leftovers. Maybe use the cooler for beer and the box for food. Sounds like ripping open and using the parts might be its death toll. I know fishing boat folks that use the livewell for the beer and keep the fish in the cooler, no sense in stinking up both since the fish have to come home in the cooler anyways