Hoshizaki JWE-620UA-6B service manual Removal and Replacement of Wash Pump Motor

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D. Removal and Replacement of Wash Pump Motor

To remove:

1)Move the power switch (GFCI) to the “OFF” position, then turn off the power supply. Lockout/Tagout to prevent the power from being turned back on inadvertently.

2)Drain the wash tank.

3)Remove the front panel.

4)Carefully pull out the control box.

5)Disconnect the wash pump motor wiring at the closed end connectors.

6)Disconnect the flexible pipe from the pipe joint.

7)Remove the bands and disconnect the wash pump motor from the tank discharge outlet and suction inlet.

8)Remove the lower panel mounting screws, loosen the upper screws, and disconnect the wiring from the panel to remove the wash pump motor together with the panel.

9)Remove the wash pump motor from the panel.

10)Remove the pipe joint from the wash pump motor.

To replace:

Note: Be sure to use new O-rings and gaskets.

1)Attach the pipe joint to the wash pump motor.

2)Secure the wash pump motor to the panel, and reconnect the wiring.

3)Hook the panel on the upper panel mounting screws.

4)Make sure the O-rings are in place and attach the wash pump motor to the tank discharge outlet and suction inlet. Secure the connections with the bands.

5)Connect the flexible pipe.

Discharge Outlet

Suction Inlet

Band

Panel Mounting Screw

O-Ring

Wash Pump

Motor

Panel

Wash Pump Motor

Mounting Bolt

 

U-Packing

Pipe Joint

Rinse Pump

Flexible Pipe

Motor

 

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Contents Model JWE-620UA-6B Hoshizaki AMERICA, INC Contents Page Important Safety Information Display Specifications Specification SheetNameplate Rating Dimensions/Connections Dishwasher II. General Information A. ConstructionInternal Booster Tank Auxiliary Code U-1, U-2, U-3, V-0, A-0 Control BoxAuxiliary Code A-1 and Later Sequence of Operation Auto Fill CycleAuto Fill lamp flashing and RINSE, STANDARD, or Long lamp on Wash Cycle Rinse Cycle STANDBY/CLEANING Button StartDrain Rinse lamp flashingSequence of Operation Flow Chart Auxiliary Code A-1 and Later Control Board Location Control Board and Operation BoardCN5 Control Board LayoutCN9 Control Board DiagramX10 Mode Lamps Error CodesReady Lamp Auto Fill LampSTANDBY/CLEANING Button Mode ButtonService Menu Access Standby LampDefault Service Menu Chart Auxiliary Code U-1, U-2, U-3, V-0, A-0Service Menu Chart Auxiliary Code A-1 and Later Temperature Display Internal Booster Tank Energy Saving Mode Error CodesBuzzer Special ModesContinuous Wash Mode Consecutive Rinse ModeAlert Function Auxiliary Code A-1 and Later OFF III. Service Diagnosis Diagnostic ProcedureSwitch Open/Closed Display Mode Page Error Code Table Error CodesError Code Log Auto Fill Error A1 Error Code DetailsInternal Booster Tank Auto Fill Error A2 Wash Tank Water Level Error A3 Defective Replace Control Board Repair or replace Replace Wash Tank Thermistor Error H1, H2 Internal Booster Tank Thermistor Error H3, H4 Eeprom Error H6 ROM/RAM Error H5Phase Reversal Error H7 Unit Will Not Start Service Flow ChartsPage Dishes Not Clean Page Inadequate Rinse Dishwasher Will Not Start When Door Closed Wash Tank Water Boils No or Inadequate Detergent/Rinse Aid SupplyWash Tank Water Not Draining Float Switch Check and Cleaning Float Switch CheckFloat Switch Cleaning Thermistor Check IV. Removal and Replacement of Components Accessing the Control BoxRemoval of Panels Page Removal and Replacement of Internal Booster Tank Removal and Replacement of Wash Pump Motor Removal and Replacement of Rinse Pump Motor Removal and Replacement of Handle Removal and Replacement of Door Removal and Replacement of Spring Removal and Replacement of Spring UnitAdjustment of Door Opening/Closing Force Removal and Replacement of Flush Pipe Packing Installation Instructions Removal and Replacement of Thermistor Removal and Replacement of Control Board or Operation Board Control BoardOperation Board Page Cleaning and Maintenance Instructions Daily Maintenance Pump Filter Water Level Sensor Location Front Self-Cleaning Monthly Inspection Weekly MaintenanceDescaling As Required Shutdown Long Storage, Relocation, Disposal, Transfer VI. Operating Instructions VII. Technical Information Water Circuit Auxiliary Code U-1, U-2, U-3, V-0, A-0 Wiring DiagramAuxiliary Code A-1 and Later