Hoshizaki HWR40A(-D) Removal and Replacement of Fan Motors, Door Re-Hinging and Drawer Conversion

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J. Removal and Replacement of Fan Motors

1)Turn off the power supply, and unplug the unit.

2)Remove the front panel, then remove the wire guard located below the display panel.

3)Unhook the wiring connectors at the control box, then remove the two hex-head M6 attachment nuts and the M5 bolt.

4)Very carefully slide out the refrigeration system. Support the evaporator as it clears the evaporator case. For the remainder of the procedure, see the appropriate section below.

Condenser Fan Motor

5)Disconnect the lead wire to the condenser fan motor.

6)Remove the two 5×10 condenser fan motor bracket attachment bolts and remove the condenser fan motor assembly.

7)Remove the fan motor from the attachment base and remove the fan blade from the fan motor.

8)Install the new fan motor and return the refrigeration unit to its proper position in the reverse order of the removal procedure.

9)Plug in the unit, and turn on the power supply.

Evaporator Fan Motor

5) Disconnect the lead wire to the evaporator fan motor.

CAUTION

Be careful when handling the evaporator shroud assembly. This assembly includes a defrost heater sheathed in a glass tube. This sheathing can be easily damaged and may also cause cuts if broken. Heater will also be hot after a defrost. Use gloves when handling and avoid touching the glass directly. Also prevent heaters from touching other parts.

6)Remove the eight 4×8 T2 screws attaching the shroud to the evaporator unit and remove the shroud. Remove the defrost thermistor if necessary to remove the shroud.

7)Remove the four 4×12 T2 evaporator fan motor attachment screws and remove the evaporator fan motor.

8)Install the new fan motor and return the refrigeration unit to its proper position in the reverse order of the removal procedure.

9)Plug in the unit, and turn on the power supply.

K.Door Re-Hinging and Drawer Conversion

Contact your local Hoshizaki distributor or Hoshizaki Technical Support (1-800-233-1940) if door reversing or drawer conversion is desired.

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Contents Superior Degree Reliability Energy Star Contents Page Dimensions Specifications Nameplate RatingsUndercounter Model Names HUR40A, HUF40A Units mm 1a. HUR40A-D, HUF40A-D 2a. HWR40A-D, HWF40A-D HWR40A, HWF40A3a. HUR68A-D, HUF68A-D HUR68A, HUF68A4a. HWR68A-D, HWF68A-D HWR68A, HWF68AHUR96A Units mm 5a. HUR96A-D HWR96A Units mm 6a. HWR96A-D Evaporator Case II. General Information ConstructionRefrigerators Continuous Operating Mode Sequence of Operation and Timing ChartsSequence of Operation Operating Timing ChartFreezers Continuous Operating Mode Freezers Continuous Defrost End Defrost thermistor reaches defrost Refrigerators Energy Saving Operating ModeEnergy Board Self Check Minute Delay Freezers Energy Saving Operating ModeFreezers Energy Control Board Start-Up DelayFront Relay Wiring Harness K311Thermistor Wiring Harness K151 RearGaining Access to Settings and Diagnostics Settings and DiagnosticsSwitching the Display Between Fahrenheit and Celsius F5 Temperature DisplayAdjusting the Setpoint Temperature Cabinet Temperature Correction calibration factor Later Section Settings and Diagnostics MenuDefrost Interval F0 Defrost Termination Temperature F1Setpoint Temperature Differential F2 Low Temperature Alarm Delay Time F4 High Temperature Alarm Delay Time F3Alarm History F6 Temperature Display Scale F5Operating Modes Compressor Run Time F7Continuous Perimeter Frame HeaterEnergy Saving Alarm Signals Alarm Code Problem III. Service Diagnosis Alarm CodesError Code Priority Description Alarm Display PriorityPossible Causes Alarm Details and CountermeasuresHigh Temperature Alarm E1 Reset OptionsLow Temperature Alarm E2 High Pressure Alarm E4 Defrost Alarm E3Clogged Filter Alarm E7 Defrost Temperature Sensor Malfunction Alarm E8 Clogged Filter Sensor Malfunction Alarm E9 Control Board Error Alarms EA and ED Problem Possible Cause Remedy Diagnosis ChartProblem Possible Cause Remedy Problem Possible Cause Remedy Thermistor Check Brazing IV. Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryEvacuation and Recharge Removal and Replacement of Compressor Removal and Replacement of Refrigeration UnitRemoval and Replacement of Evaporator Page Page Clogged Filter Thermistor sensor Removal and Replacement of ThermistorsCabinet Thermistor Defrost ThermistorRemoval and Replacement of Defrost Heater Removal and Replacement of Door GasketRemoval and Replacement of Control Board Evaporator Fan Motor Removal and Replacement of Fan MotorsDoor Re-Hinging and Drawer Conversion Condenser Fan MotorCleaning Cleaning and Maintenance InstructionsDrawers MaintenanceAir Filter Shelves115/60/1 A2. HUR40A-D, HWR40A-D auxiliary code Q6 and later HUF40A-D, HWF40A-D C1. HUR68A, HWR68A auxiliary code Q5 and earlier C2. HUR68A-D, HWR68A-D auxiliary code Q6 and later HUF68A-D, HWF68A-D HUR96A-D, HWR96A-D