Hoshizaki KM-1300MWH, KM-1300MAH, KM-1300MRH service manual Removal and Replacement of Water Valve

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13. REMOVAL AND REPLACEMENT OF WATER VALVE

1)Turn off the power supply.

2)Close the Water Supply Line Shut-off Valve.

3)Remove the Front Panel.

4)Remove the Valve Outlet Tubing by releasing the Clamp.

5)Remove the Bracket from the unit.

6)Remove the Fitting Nut and Water Valve.

7)Disconnect the Terminals from the Water Valve.

8)Install the new Water Valve, and replace the removed parts in the reverse order of which they were removed.

9)Open the Water Supply Line Shut-off Valve.

10)Turn on the power supply.

11)Check for leaks.

12)Replace the Front Panel in its correct position.

14. REMOVAL AND REPLACEMENT OF PUMP MOTOR

1)Turn off the power supply.

2)Remove the Front Panel.

3)Drain the Water Tank by removing the Insulation Panel and the Rubber Cap covering the Overflow Pipe in the Water Tank. Remove the Overflow Pipe by turning it counterclockwise.

4)Replace the removed parts in their correct positions.

5)Disconnect the Pump Suction and Discharge Hoses.

6)Remove the screws and the Pump Motor Bracket.

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Contents KM-1300MAH KM-1300MWH KM-1300MRH Hoshizaki AMERICA, INC Contents Maintenance Specifications KM-1300MAH Air-cooled2a. 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 SOLID-STATE Control Features of Control Products E Controller BoardController Board Controller BoardPage Harvest Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Freeze 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 Wiring Diagrams KM-1300MAH Air-cooled and KM-1300MWH Water-cooledCut-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 IV. Service Diagnosis No ICE Production Problem Possible Cause RemedyController Board Problem Possible Cause Remedy Evaporator is Frozen UP LOW ICE ProductionAbnormal ICE OthersService for Refrigerant Lines Refrigerant RecoveryEvacuation and Recharge R-404A 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 Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Maintenance and Cleaning Instructions Preparing the Icemaker for Long StoragePage Cleaning Cleaning Procedure Sanitizing Procedure Following Cleaning Procedure Page Maintenance