Hoshizaki KM-1300MRH, KM-1300MWH, KM-1300MAH service manual Cleaning Procedure

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[a]CLEANING PROCEDURE

1)Dilute 27 fl. oz. of the recommended cleaner Hoshizaki “Scale Away” or “LIME-A-WAY” (Economics Laboratory, Inc.) with 5 gal. 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 defrost cycle starts and the cubes will be removed from the Evaporator.

3)Turn off the power supply.

4)Remove the Front Panel and then remove the Insulation Panel, by lifting the panel slightly and pulling it toward you.

5)Drain the Water Tank by removing the Rubber Cap covering the Overflow Pipe in the Water Tank. Remove the Overflow Pipe by turning it counterclockwise.

See Fig. 4.

6)After tank has drained, replace the removed parts 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.

Note: When placing the Insulation Panel, do not catch the hose between the panel and the body.

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 and the Insulation Panel.

14)Drain the Water Tank. (See the above step 5).

15)Replace the tubing and the Insulation Panel in their correct positions.

16)Move the Control Switch to the “ICE” position.

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Contents KM-1300MAH KM-1300MWH KM-1300MRH Hoshizaki AMERICA, INC Contents Maintenance KM-1300MAH Air-cooled Specifications2a. KM-1300MWH Water-cooled 2b. KM-1300MWH Water-cooled Serial No. M10156D KM-1300MRH Remote air-cooled Condensing Unit URC-12F Specifications Model URC-12F II. General Information Construction KM-1300MWH Water-cooled KM-1300MRH Remote air-cooled Controller Board Features of Control Products E Controller BoardController Board SOLID-STATE ControlPage Freeze Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Harvest CycleControl Products HOS-001A Board Sequence 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments Setting Time Setting Frequency Checking the Controller Board Page III. Technical Information KM-1300MWH Water-cooled KM-1300MRH Remote air-cooled KM-1300MAH Air-cooled and KM-1300MWH Water-cooled Wiring DiagramsCut-out 412 ±21.3 Psig Cut-in 327±21.3 Psig Timing Chart Page Performance Data Serial # L00001F to M10155C KM-1300MWH Water-cooled Serial # M10156D KM-1300MRH Remote air-cooled Problem Possible Cause Remedy IV. Service Diagnosis No ICE ProductionController Board Problem Possible Cause Remedy LOW ICE Production Evaporator is Frozen UPOthers Abnormal ICEEvacuation and Recharge R-404A Service for Refrigerant LinesRefrigerant Recovery Brazing Removal and Replacement of Compressor Important Removal and Replacement of Drier Removal and Replacement of Expansion Valve Removal and Replacement of HOT GAS Valve and Line Valve Removal and Replacement of Evaporator Important Page Page Page Removal and Replacement of Thermistor Important Removal and Replacement of FAN Motor Removal and Replacement of Pump Motor Removal and Replacement of Water ValveRemoval and Replacement of Spray Tubes Preparing the Icemaker for Long Storage VI. Maintenance and Cleaning InstructionsPage Cleaning Cleaning Procedure Sanitizing Procedure Following Cleaning Procedure Page Maintenance