Hoshizaki KM-2000SRF3 Instruction Manual page 24

4) Close the Potable Water Supply Line Shut-off Valve and open the Potable Water Supply
Line Drain Valve. See Fig. 12.
5) Allow the line to drain by gravity.
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.
[3] Drain the Potable Water Tank:
1) Turn off the Power Supply Switch.
2) Move the Control Switch, on the Control Box, to the "OFF" position.
3) Remove the Insulation Panel. Remove the Cap located on the front bottom part of the
Ice Dropping Hole. Drain the Water Tank. See Fig. 13.
4) Replace the Cap and the Insulation Panel in their correct position.
5) Remove all ice from the Storage Bin, and clean the Storage Bin.
6) Replace the Front Panel in its correct position.
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