Performed chemical cleaning on ice machine, disassembled water distribution system, physically cleaned all components, reassembled water distribution system, performed chemical sanitation, wiped out ice bin with sanitizer, rinsed all contact surfaces, allowed unit to drop, tested operations, confirmed unit working correctly at this time. customer has requested new water filter for ice machine. 3/11/20 Picked up water filter. removed and replaced water filter on ice machine. bled out air and carbon from filter before putting unit back into service.