Hoshizaki KM-650MAH, KM-650MRH, KM-650MWH Removal and Replacement of Inlet Water Valve

Page 48
Fig. 3

3)Remove the junction box cover from the remote condenser unit (remote air-cooled model).

4)Remove the closed end connectors from the fan motor leads.

5)Remove the fan motor bracket and fan motor.

6)Install the new fan motor and replace the removed parts in the reverse order of which they were removed.

7)Replace the panels in their correct positions.

8)Replace the junction box cover in its correct position (remote air-cooled model).

9)Turn on the power supply.

M.Removal and Replacement of Inlet 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)Loosen the fitting nut. Be careful not to lose the washer.

6)Disconnect the terminals from the water valve.

7)Remove bracket and valve from the unit.

8)Remove the valve from the bracket. Attach new valve to the bracket, then install the valve.

9)Replace the removed parts in the reverse order of which they were removed. Make sure the washer is in place in the fitting nut.

10)Open the water supply line shut-off valve.

11)Turn on the power supply.

12)Check for leaks.

13)Replace the front panel in its correct position.

N.Removal and Replacement of Pump Motor

1)Turn off the power supply.

2)Remove the front panel.

3)Remove the base cover.

4)Drain the water tank by removing one end

of the pump tubing. See Fig. 3.

5) Replace the removed parts in their correct positions.

6) Disconnect the pump suction and discharge hoses.

7)Remove the closed end connectors from the pump motor leads.

8)Remove the screw attaching the pump motor assembly to the base, then remove the pump motor assembly.

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Contents KM-650MAH KM-650MWH KM-650MRH Hoshizaki AMERICA, INC Contents Page Specifications Icemaker KM-650MAH air-cooledKM-650MWH water-cooled Water Cooled CondenserKM-650MRH remote air-cooled Condensing Unit URC-5FSpecifications Model URC-5FII. General Information Construction KM-650MWH water-cooled KM-650MRH remote air-cooled Sequence of Operation Cycle Steps Harvest Cycle Freeze Cycle One Minute Control Board Control Products E Control Board Control Board LayoutControl Board Features Maximum Water Supply Period 6 minutesLED Lights and Audible Alarm Safeties Controls and Adjustments Default Dip Switch SettingsHarvest Timer dip switch 1 Pump-Out Frequency Control dip switch 5 Control Board Check Procedure Control Board ReplacementKM-650MAH air-cooled KM-650MWH water-cooled KM-650MRH remote air-cooled Wiring Diagrams KM-650MAH air-cooled and KM-650MWH water-cooledPsig Performance Data 108680 615 IV. Service Diagnosis Minute KM Diagnostic Procedure Diagnostic Charts No Ice ProductionProblem Possible Cause Remedy Problem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Low Ice Production Abnormal IceOther Problem Possible Cause Remedy Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery Evacuation and Recharge R-404ARemoval and Replacement of Compressor BrazingRemoval 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 Adjustment of Water Regulating Valve Water-Cooled Model Only Page Removal and Replacement of Thermistor Removal and Replacement of Fan MotorRemoval and Replacement of Inlet Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Cleaning and Maintenance Instructions Cleaning and Sanitizing ProceduresCleaning Procedure Maintenance Sanitizing Procedure Following Cleaning ProcedureStainless Steel Exterior Preparing the Icemaker for Long Storage Storage Bin and ScoopAir Filters air-cooled models only Condenser air-cooled and remote air-cooled models onlyDrain the potable water supply line Drain the potable water tank
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