Hoshizaki KML-351MAH Service Manual page 55

1. On water-cooled model only, first remove the water from the water-cooled
condenser:
1) Turn off the power supply and remove the front panel and right side panel.
2) Close the condenser water supply line shut-off valve.
3) Open the condenser water supply line drain valve.
4) Attach a compressed air or carbon dioxide supply to the condenser water supply line
drain valve.
5) Open the water regulating valve by using a screwdriver to pry up on the spring retainer
underneath the spring. While holding the valve open, blow out the condenser using the
compressed air or carbon dioxide supply until water stops coming out.
6) Close the condenser water supply line drain valve and replace the right side panel in its
correct position.
2. Remove the water from the potable water supply line:
1) If you have not already done so, turn off the power supply and remove the front panel.
2) Move the control switch on the control box to the "OFF" position.
3) Wait 3 minutes.
4) Close the potable water supply line shut-off valve and open the potable water supply
line drain valve.
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) Replace front panel in its correct position and turn on the power supply.
9) Blow the potable water line out using compressed air or carbon dioxide.
3. Drain the potable water tank:
1) Turn off the power supply.
2) Remove the front panel.
3) Move the control switch to the "SERVICE" position and move the service switch to the
"DRAIN" position.
4) Replace the front panel and turn on the power supply for 2 minutes.
5) Turn off the power supply.
6) Close the potable water supply line drain valve.
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