Hoshizaki KM-1601MRH/3 User Manual

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6) Attach compressed air or carbon dioxide supply to the potable water line drain valve.
7) Move the control switch to the "ICE" position.
8) Blow the potable water line out using compressed air or carbon dioxide.
2. Drain the potable water tank:
1) Turn off the power supply.
2) Move the control switch to the "OFF" position.
3) Drain the water tank by removing the 
insulation panel and the rubber cap 
covering the overflow pipe in the water 
tank. Remove the overflow pipe by turning 
it counterclockwise. See Fig. 4.
4) Replace the removed parts in their correct 
positions.
5) Remove all ice from the storage bin, and 
clean the storage bin.
6) Replace the front panel in its correct position.
7) Close the drain valve.
Fig. 4
Rubber Cap
Overflow Pipe