Hoshizaki KM-901MAH Service Manual page 87

5) Attach a compressed air or carbon dioxide supply to the icemaker water supply line
drain valve.
6) Move the control switch to the "ICE" position.
7) Replace the front panel in its correct position, then turn on the power supply.
8) Blow the icemaker water supply line out using the compressed air or carbon dioxide
supply.
9) Close the icemaker water supply line drain valve.
2. Drain the water tank:
1) Turn off the power supply, then remove the front panel.
2) Move the control switch to the "OFF" position.
3) Remove the base cover, then disconnect one end of the pump tubing to drain the water
tank. See Fig. 8. After the water tank has drained, reconnect the pump tubing.
4) Replace the base cover and the front panel in their correct positions.
5) Remove all ice from the storage bin. Clean the storage bin liner using a neutral cleaner.
Rinse thoroughly after cleaning.
3. On water-cooled model, remove the water from the water-cooled condenser:
1) Make sure the power supply is off, then remove the front panel and right side panel.
2) Close the condenser water supply line shut-off valve. If connected to a closed loop
system, also close the condenser return line shut-off valve.
3) Open the condenser water supply line drain valve. If connected to a closed loop
system, also open the condenser return 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 drain valve(s).
7) Replace the right side panel and front panel in their correct positions.
Disconnect This
End of Pump
Tubing to Drain
Water Tank
Base Cover
Fig. 8
87