Hoshizaki KM-630MAH Removal and Replacement of Water Valve, Removal and Replacement of Pump Motor

Page 59

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.

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.

59

Image 59
Contents KM-630MAH KM-630MWH KM-630MRH Hoshizaki AMERICA, INC Contents Maintenance Water TEMP. F Specifications KM-630MAH2a. KM-630MWH Serial #L00001D M20270B 2b. KM-630MWH Serial #M20301E KM-630MRH URC-6F Condenser UnitSpecifications KM-630MAH II. General Information ConstructionKM-630MWH KM-630MRH Controller Board Features of Control Products E Controller BoardController Board SOLID-STATE ControlPage Freeze Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Harvest CycleControl Products HOS-001A Board Important Water Valve opening is limited to 6 minutes Sequence 1st Cycle2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain For Models with Thermostat Controls and AdjustmentsPage Setting Time Models with Thermostat Checking the Controller Board Models with Mechanical BIN ControlExplanation of Operation Proximity SwitchMechanical BIN Control Troubleshooting Mechanical BIN Control only KM-630MAH KM-630MWH KM-630MRH Wiring Diagrams Page B1 KM-630MRH with auxiliary codes L-0, M-0, M-1 B2 KM-630MRH with auxiliary codes M-2 and after Timing Chart Page 157 Performance DataPressure Drop of Cooling Water Line B1 KM-630MWH Serial #L00001D M20270BB2 KM-630MWH Serial #M20301E 603 Problem Possible Cause Remedy IV. Service Diagnosis 1. no ICE ProductionController Board Problem Possible Cause Remedy Thermistor Evaporator is Frozen UPOthers LOW ICE ProductionAbnormal ICE Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryBrazing Removal and Replacement of Compressor Important Page Removal and Replacement of Expansion Valve Removal and Replacement of DrierRemoval and Replacement of HOT GAS Valve and Line Valve Page Removal and Replacement of Evaporator Important Page Adjustment of Water Regulating Valve WATER-COOLED Model only Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Pump Motor Removal and Replacement of Water ValveRemoval and Replacement of Spray Tubes Preparing the Icemaker for Long Storage VI. Cleaning and Maintenance InstructionsPage Cleaning and Sanitizing Procedures Cleaning Procedure Page Sanitizing Procedure Maintenance