Hoshizaki KM-1601SWH/3 - Manual (Page 35)

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1. Cleaning Procedure
1) Dilute 27 fl. oz. (800 ml) of Hoshizaki "Scale Away" with 5 gal. (19 l) of warm water.
2) Remove all ice from the evaporator and the storage bin.
Note: To remove cubes on the evaporator, turn off the power supply and turn it back on
after 3 minutes. The harvest cycle starts and the cubes will be removed from the
evaporator.
3) Turn off the power supply.
4) Remove the front panel, then remove the insulation panel by first removing the
thumbscrew, lifting up the panel slightly and pulling it towards you.
5) Remove the drain plug located on the lower front part of the ice chute. Allow the water
tank to drain.
6) Replace the drain plug in its correct position. Be careful not to cross thread it.
7) In bad or severe water conditions, clean the float switch assembly as described below.
Otherwise, continue to step 8.
a. Disconnect the vent tube and the flush tube from the top of the float switch, then
remove the float switch assembly. Remove the rubber boot from the bottom of the
assembly.
b. Remove the retainer rod from the bottom of the float switch housing, then remove
the float. Be careful not to bend the retainer rod excessively when removing it.
c. Wipe down the float switch assembly's housing, shaft, float, and retainer rod with
cleaning solution. Clean the inside of the rubber boot and hose with cleaning
solution. Rinse the parts thoroughly with clean water.
d. Reassemble the float switch assembly and replace it and the rubber boot in their
correct positions. Reconnect the vent tube and the flush tube.
8) Pour the cleaning solution into the water tank.
9) Fully open the cleaning valve on the left side wall of the machine compartment.
10) Move the control switch on the control box to the "WASH" position.
11) Replace the insulation panel and the front panel in their correct positions.
12) Turn on the power supply to start the washing process.
13) Turn off the power supply after 30 minutes.
14) Remove the front panel and the insulation panel.
15) Remove the drain plug. Allow the water tank to drain. Replace the drain plug and the
insulation panel in their correct positions.
16) Move the control switch to the "ICE" position.
17) Close the cleaning valve.
Note: The icemaker will not operate unless the cleaning valve is completely closed.
18) Replace the front panel in its correct position.
19) Turn on the power supply to fill the water tank with water.
20) Turn off the power supply after 3 minutes.