Hoshizaki KM-501MWH Removal and Replacement of Fan Motor, Removal and Replacement of Pump Motor

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L. Removal and Replacement of Fan Motor

Note: When replacing a fan motor with defective winding, it is recommended that a new capacitor be installed.

1)Turn off the power supply.

2)Remove the panels.

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)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.

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.

5)Replace the removed parts in their correct positions.

6) Disconnect the pump suction and discharge hoses.

Fig. 3

 

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Contents KM-501MAH KM-501MWH KM-501MRH Hoshizaki AMERICA, INC Contents Page KM-501MAH air-cooled Specifications IcemakerWater Cooled Condenser KM-501MWH water-cooledKM-501MRH remote air-cooled URC-6F Condensing UnitSpecifications II. General Information Construction KM-501MWH water-cooled KM-501MRH remote air-cooled Sequence of Operation Cycle Steps Harvest Cycle Freeze Cycle One Minute Control Board Control Board Layout Control Products E Control BoardControl Board Maximum Water Supply Period 6 minutes FeaturesLED Lights and Audible Alarm Safeties Default Dip Switch Settings Controls and AdjustmentsHarvest Timer dip switch 1 Pump-Out Frequency Control dip switch 5 Control Board Replacement Control Board Check ProcedureKM-501MAH air-cooled KM-501MWH water-cooled KM-501MRH remote air-cooled KM-501MAH air-cooled and KM-501MWH water-cooled Wiring DiagramsPsig Timing Chart Page 245 Performance Data488 482 IV. Service Diagnosis Minute KM Diagnostic Procedure No Ice Production Diagnostic ChartsProblem Possible Cause Remedy Problem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Abnormal Ice Low Ice ProductionOther Problem Possible Cause Remedy Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery Evacuation and Recharge R-404ABrazing Removal and Replacement of CompressorRemoval and Replacement of Drier Removal and Replacement of Hot Gas Valve and Line Valve Removal and Replacement of Expansion ValveRemoval and Replacement of Evaporator Adjustment of Water Regulating Valve Water-Cooled Model Only Adjustment Screw CW Higher CCW Lower Top View Removal and Replacement of Thermistor Removal and Replacement of Inlet Water Valve Removal and Replacement of Fan MotorRemoval and Replacement of Pump Motor Removal and Replacement of Spray Tubes Cleaning and Sanitizing Procedures VI. Cleaning and Maintenance InstructionsCleaning Procedure Sanitizing Procedure Following Cleaning Procedure MaintenanceStainless Steel Exterior Storage Bin and Scoop Preparing the Icemaker for Long StorageAir Filters air-cooled models only Condenser air-cooled and remote air-cooled models only
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KM-501MAH, KM-501MWH, KM-501MRH specifications

The Hoshizaki KM-501MWH, KM-501MAH, and KM-501MRH are standout models in the commercial ice machine market, known for their robust performance and innovative technologies. These machines are specially designed to meet the diverse needs of restaurants, bars, and other food service establishments that require a reliable source of high-quality ice.

One of the defining features of the KM-501 series is their high production capacity. Each model can produce up to 500 pounds of ice per day, ensuring that even the busiest establishments can keep up with demand. The ice produced is crystal-clear, with a unique crescent shape that not only looks appealing but also melts slowly, making it ideal for drinks and food presentations.

The KM-501MWH model is equipped with advanced technology that ensures energy efficiency and reduced water usage. It features a powerful compressor and a highly efficient evaporator, which work together to minimize energy consumption while maximizing output. This makes it an environmentally friendly choice, reducing operational costs for businesses.

The KM-501MAH model stands out with its air-cooled condenser system, which allows for optimal performance without the need for extensive cooling water lines. This makes the installation process easier and reduces complexity, enabling businesses to set up their ice machine with minimal hassle. Furthermore, it features a self-cleaning mode that simplifies maintenance, contributing to consistent ice quality over time.

On the other hand, the KM-501MRH is designed for rugged environments. It is constructed with high-quality materials that enhance durability and longevity, making it suitable for outdoor applications or establishments located in warmer climates. The stainless-steel design not only contributes to the machine's robustness but also ensures easy cleaning and resistance to rust and corrosion.

Another key characteristic of the Hoshizaki KM-501 models is their user-friendly control panel. These machines come with intuitive controls that allow operators to easily adjust settings and monitor performance. This feature is particularly useful for staff in busy kitchens, enabling them to focus on service without constant checks on ice production.

Overall, the Hoshizaki KM-501MWH, KM-501MAH, and KM-501MRH offer excellent performance, energy efficiency, and user-friendliness. Their combination of innovative technologies, durable design, and high output capacity make them exceptional choices for any establishment in need of reliable ice production. Whether for a bustling restaurant or a bar serving up cocktails, these machines deliver ice that consistently meets high standards.
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