Hoshizaki F-450MAH-C service manual Removal and Replacement of Flush Water Valve

Page 43

6)Remove the water supply hose from the control water valve.

7)Install the new control water valve.

8)Assemble the removed parts in the reverse order of the above procedure.

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

10)Check for water leaks.

11)Replace the panels in their correct position.

12)Plug in the icemaker.

9.Removal and Replacement of Flush Water Valve

1)Turn off the power supply.

2)Remove the panels.

3)Close the water supply line shut-off valve.

4)Remove the clamp and disconnect the hose from the flush water valve that attaches to the evaporator.

Note: Water may still remain inside the evaporator. Be sure to drain the water into the drain pan.

5)Disconnect the flush water valve from the tube connected to the plastic tee leading to the drain hose.

6)Disconnect the terminals from the flush water valve.

7)Remove the flush water valve from the frame or bracket.

8)Connect the new flush water valve back onto the frame or bracket.

9)Connect the tube from the plastic tee to the new flush water valve.

10)Connect the hose to the flush water valve and secure it with the clamp.

11)Pour water into the reservoir, and check for water leaks on the flush water valve.

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

13)Turn on the power supply.

43

Image 43
Contents Modular Flaker Models 450MAH-C Hoshizaki AMERICA, INC Contents Water TEMP. F Specifications 1. F-450MAH450MAH-C II. General Information Construction Control Box Layout Timer Board Timer BoardSolid-State Control Sequence Part Code Page Page 450MAH Wiring Diagram450MAH-C Sequence of Electrical Circuit Page Compressor starts about 60 sec. after gear motor starts Page Low water except water-cooled model Page Page Page Page Page Timing Chart Gear Motor Relay OFF FAN Motor Flush ICE OFF Upper Lower Bottom ICE Production Performance Data883 891 898 IV. Service Diagnosis No Ice Production Problem Possible Cause Remedy Problem Possible Cause Remedy Low Ice Production Other Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryBrazing Removal and Replacement of Compressor Removal and Replacement of Drier Removal and Replacement of Expansion Valve Auger Removal and Replacement of Evaporator Assembly Cutter Extruding HeadGear Motor Bearing-Lower and Mechanical SealRemoval and Replacement of Control Water Valve Removal and Replacement of Fan MotorRemoval and Replacement of Flush Water Valve Preparing the Icemaker for Long Storage VI. Cleaning and MaintenanceCleaning Solution Cleaning and Sanitizing InstructionsCleaning Procedure Sanitizing Procedure Initial Sanitizing SolutionSanitizing Procedure Final Page Maintenance Instructions