The current owner of this CK machine has had it for 9 years. It's a treasured family possession, named Monty.
About one year ago Monty started having less and less frost on its evaporator, finally dwindling down to one pass of the coil frosted up. Monty's owners live in California and can find nobody willing to even look at it. They crated it up, and to Alabama it came. These two videos highlight the troubleshooting undertaken.
Part 1:
Part 2:
Hope you find this interesting!
Sincerely,
David

Part 1:
Part 2:
Hope you find this interesting!
Sincerely,
David