Hoshizaki KMD-450MWH, KMD-450MAH instruction manual

Page 20

8)In bad or severe water conditions, clean the float switch as described below. Otherwise, continue to step 9.

a.Remove the 2 thumbscrews securing insulation panel (B), then remove insulation panel (B). See Fig. 10.

b.Disconnect the discharge hose, the drain valve drain hose, and the overflow drain hose.

c.Disconnect the pump motor connector and the float switch connector from the side of the control box.

d.Remove the 2 thumbscrews securing the pump motor and float switch assembly. See Fig. 11.

e.Pull out the water tank, cube guide, and pump motor and float switch assembly together.

f.Remove the screw securing the float switch to the top of the assembly. Remove the float switch from the assembly.

g.Remove the retainer rod from the bottom of the float switch, then remove the float. Be careful not to bend the retainer rod excessively when removing it.

h.Wipe down the float switch housing, shaft, float, and retainer rod with cleaning solution. Rinse the parts thoroughly with clean water.

i.Reassemble the float switch. Replace the float switch in its correct position, then secure with the screw.

j.Replace the removed parts in the reverse order of which they were removed.

9)Pour the cleaning solution into the water tank.

10)Move the service switch to the "WASH" position.

11)Replace insulation panel (A) 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.

15)Move the service switch to the "DRAIN" position.

16)Replace the front panel in its correct position, then turn on the power supply for 2 minutes.

 

 

 

Pump Motor

 

 

 

 

Connector

 

 

 

 

Float Switch

 

 

 

 

Connector

Thumbscrews

 

 

 

 

 

 

 

Thumbscrews

Pump Motor

 

 

 

 

and Float

 

 

 

 

Switch

 

Drain Valve

 

 

Assembly

Discharge

Drain Hose

Overflow

 

Cube Guide

Hose

 

Insulation

Water Tank

 

 

Drain Hose

Panel (B)

 

 

 

 

 

 

Fig. 10

 

Fig. 11

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Contents KMD-450MAH KMD-450MWH Hoshizaki AMERICA, INC Contents Important Safety Information Specifications Nameplate Rating KMD-450MAH self-contained air-cooledKMD-450MWH water-cooled Unit mm Dimensions/ConnectionsKMD-450MAH KMD-450MWH II. Installation and Operating Instructions Checks Before InstallationHow to Remove Panels See FigSetup LocationBin Control Installation 83 Electrical ConnectionWater Supply and Drain Connections See , 8, orKMD-450MAH IcemakerWater-Cooled Condenser if applicable Connection to an Open Drain SystemConnection to a Closed Loop System Final Checklist Startup Cleaning Procedure III. Cleaning and MaintenanceCleaning and Sanitizing Instructions Page Sanitizing Procedure Following Cleaning Procedure Maintenance Stainless Steel ExteriorDispenser Unit/Storage Bin and Scoop Air Filters self-contained air-cooled modelDrain the water tank Preparing the Icemaker for Long StorageRemove the water from the icemaker water supply line Page Hoshizaki AMERICA, INC