Hoshizaki MODULAR CRESCENT CUBER KM-650MWH - Manual (Page 51)

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1. Cleaning Procedure
1) Dilute approximately 16 fl. oz. of Hoshizaki "Scale Away" with 3 gal. (11 l) of 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 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 and the base
cover, and then remove the insulation
panel by lifting up the panel slightly and
pulling it towards you.
5) Remove one end of the pump tubing (see
Fig. 4). Drain the water tank. Replace the
pump tubing in its correct position.
6) In bad or severe water conditions, clean the float switch assembly as described below.
Otherwise, continue to step 7.
a. Remove the float switch assembly from the mounting bracket and remove the
rubber boot from the bottom of the assembly.
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. Wipe the inside of the rubber boot with cleaning solution.
d. Reassemble the float switch assembly and replace it and the rubber boot in their
correct positions.
7) Pour the cleaning solution into the water tank.
8) Fully open the cleaning valve on the left side wall of the machine compartment.
9) Move the control switch on the control box to the "WASH" position.
10) Replace the insulation panel and the front panel in their correct positions.
11) Turn on the power supply and start the washing process.
12) Turn off the power supply after 30 minutes.
13) Remove the front panel.
14) Remove one end of the pump tubing. Drain the water tank. Replace the pump tubing in
its correct position.
15) Move the control switch to the "ICE" position.
16) Close the cleaning valve.
Note: The icemaker will not operate unless the cleaning valve is completely closed.
17) Replace the front panel in its correct position.
18) Turn on the power supply to fill the water tank with water.
19) Turn off the power supply after 3 minutes.
Fig. 4