Hoshizaki DCM-500BWH-OS service manual 5b. Lower Housing

Page 54

5.Removal and Replacement of Mechanical Seal and Lower Housing 5a. Mechanical Seal

1)Move the control switch to the "DRAIN" position and drain all of the water from the evaporator.

2)After the water has stopped draining, move the control switch to the "OFF" position, then turn off the power supply. Remove the front and top panels, then move the power switch to the "OFF" position.

3)Remove the front cover of the storage bin. Remove spout B, then remove spout A. See Fig. 1.

4)Remove the apron panel, then remove the left side panel.

5)Remove the extruding head heater and the allen head cap screws securing the extruding head.

6)Using the cutter, lift out the auger assembly, then remove the evaporator bracket.

7)The mechanical seal consists of two parts. One moves along with the auger, and the other is fixed on the lower housing. If the contact surfaces of these two parts are worn, cracked, or scratched, the mechanical seal may cause water leaks and should be replaced.

8)Remove the allen head cap screws securing the evaporator to the lower housing.

9)Raise the evaporator up to access the lower housing.

10)Remove the mechanical seal from the housing. If only replacing the mechanical seal, proceed to step 13.

CAUTION

To help prevent water leaks, be careful not to damage the surfaces of the Oring or mechanical seal.

5b. Lower Housing

11)Remove the O-ring and the bolts securing the housing to the gear motor and remove the housing from the gear motor. If inspection of the upper bearing inside the extruding head (see "V.D.1. Upper Bearing Wear Check") indicates that it is out of tolerance, replace both it and the bearing inside the lower housing.

Note: Replacing the bearing requires a bearing press adaptor. If one is not available, replace the whole extruding head and housing.

12)Install the O-ring and mount the lower housing on the gear motor.

13)Install the lower part of the mechanical seal on the lower housing.

14)Lower the evaporator down and secure it to the lower housing.

15)Install the auger assembly with the upper part of the mechanical seal attached.

16)Replace the evaporator bracket in its correct position.

17)Replace spout A, spout B, and the front cover of the storage bin in their correct positions.

54

Image 54
Contents DCM-500BAH DCM-500BAH-OS DCM-500BWH DCM-500BWH-OS Hoshizaki AMERICA, INC Contents Page Specifications Icemaker DCM-500BAHDCM-500BAH-OS Water TEMP. FDCM-500BWH Water TEMP. FDCM-500BWH-OS Potable Water Water Cooled CondenserII. General Information Construction DCM-500BWH-OS Ice Making Unit DCM-500BAH-OS, DCM-500BWH-OSSequence of Operation Startup Control Board Control Board Layout DCM-500BAH, DCM-500BWH Control BoardPart Number 2A2649-01 Features LED LightsPower Supply Controls and Adjustments Portion ControlControl Board Check Procedure Ice Making ComponentsDispensing Components DCM-500BAH, DCM-500BWH Float Switch DCM-500BAH-OS DCM-500BWH-OS Wiring Diagrams Wire Color CodeDCM-500BAH-OS, DCM-500BWH-OS Sequence of Electrical Circuit Ice Making DCM-500BWH-OSIce Purge Cycle Freeze Cycle Hour Drain Cycle / Drain Switch Shutdown Low Water Safety High Pressure Switch Sequence of Electrical Circuit Dispensing Continuous DispensePortion Dispense Performance Data ICE ProductionTotal IV. Service Diagnosis Diagnostic Procedure Ice Production Check Diagnostic Charts No Ice ProductionProblem Possible Cause Remedy Problem Possible Cause Remedy Low Ice Production Other Dispensing Opti Serve OS Sensors 5a. Ice Dispensing Continuous Mode 5b. Ice Dispensing Portion Mode5c. Water Dispensing Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines BrazingEvacuation and Recharge R-404A Removal and Replacement of Compressor Removal and Replacement of Expansion Valve Removal and Replacement of Evaporator Assembly Components Removal and Replacement of Extruding Head Upper Bearing Wear CheckRemoval and Replacement of Auger Removal and Replacement of EvaporatorPage 5b. Lower Housing Removal and Replacement of Gear Motor Page Removal and Replacement of Water-Cooled Condenser Page Adjustment of Water Regulating Valve Water-Cooled Model Only Removal and Replacement of Fan MotorRemoval and Replacement of Inlet or Dispensing Water Valve Removal and Replacement of Drain ValveRemoval and Replacement of Dispensing System Dispensing Auger and AgitatorDispensing or Agitating Motor Page VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Solution Water SystemSanitizing Solution Dispensing ComponentsBin Control Bracket Snap Pin Maintenance Frequency Area TaskPreparing the Icemaker for Long Storage
Related manuals
Manual 69 pages 4.5 Kb

DCM-500BWH-OS specifications

The Hoshizaki DCM-500BWH-OS, DCM-500BWH, DCM-500BAH, and DCM-500BAH-OS are advanced ice makers designed to meet the needs of busy commercial environments. Hoshizaki is a renowned manufacturer known for producing high-quality refrigeration and foodservice equipment, and their DCM series of ice makers exemplifies this commitment to excellence.

One of the main features of the DCM-500 series is its ability to produce a significant amount of ice, ideally suited for restaurants, bars, and hotels. With a production capacity of up to 500 pounds of nugget ice per day, these units provide an efficient solution for establishments that require a steady supply of ice.

The nugget ice produced by the DCM-500 series is not only soft and chewable but also retains the cold temperature longer, making it perfect for beverages. This appealing characteristic of nugget ice caters to growing customer preferences for premium ice options.

These models also incorporate advanced ice-making technology, ensuring consistent quality. The DCM-500BWH-OS and DCM-500BAH-OS variants feature a self-contained design that makes installation simple and efficient, providing enhanced portability that makes them versatile for different locations within a commercial space.

The DCM-500BWH and DCM-500BAH models are equipped with features like a built-in ice bin that allows for storage convenience. The ice bins have a substantial holding capacity, reducing the frequency of refills and improving overall operation efficiency.

Additionally, the DCM-500 series is designed with energy efficiency in mind. Integrated with modern refrigeration systems, these ice makers comply with energy-saving standards, helping to reduce operational costs. User-friendly controls allow for easy adjustment and monitoring, ensuring that operators can manage their ice production without hassle.

Moreover, the robust construction materials used in these models increase durability, making them suitable for high-demand environments. Features such as easy-to-clean surfaces and self-diagnostic systems further optimize maintenance, ensuring prolonged performance without significant downtime.

Overall, the Hoshizaki DCM-500BWH-OS, DCM-500BWH, DCM-500BAH, and DCM-500BAH-OS ice makers are excellent choices for businesses seeking reliable and high-capacity ice production. Their advanced features, energy efficiency, and user-friendly operation make them a valuable addition to any commercial kitchen or bar setup.