Hoshizaki KMD-901MRH - Manual (Page 22)

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1. Cleaning Procedure
1) Dilute 13.5 fl. oz. (400 ml) of Hoshizaki "Scale Away" with 2.5 gal. (9.5 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. Remove the insulation panel. Remove cube guide B, then
remove cube guide A. Remove the overflow cap, overflow pipe, and water shield. See
Fig. 11.
5) Remove the drain plug and drain the water tank. Replace the drain plug in its correct
position. Be careful not to cross thread it.
6) Replace the water shield, overflow pipe, overflow cap, cube guide A, and cube guide B
in their correct positions. Be careful not to cross thread the overflow pipe.
7) In bad or severe water conditions, clean the float switch as described below. Otherwise,
continue to step 8.
a. Disconnect the vent tube and flush tube from the top of the float switch, then
remove the float switch and rubber boot.
b. Remove the retainer rod from the bottom of the float switch assembly, 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.
Overflow Pipe
Cube Guide A
Overflow Cap
Water Shield
Drain Plug
Cube Guide B
Fig. 11