Hoshizaki DM-90A Service Manual
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Hoshizaki DM-90A Service Manual

Hoshizaki DM-90A Service Manual

Ice dispensing bin/water dispenser
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Download this manual See also: Instruction Manual
73091
NO.:
ISSUED:
DEC. 21, 1999
REVISED:
DEC. 17, 2003
HOSHIZAKI
ICE DISPENSING BIN/
WATER DISPENSER
MODEL
DM-90A
SERVICE MANUAL

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Summary of Contents for Hoshizaki DM-90A

  • Page 1 73091 NO.: ISSUED: DEC. 21, 1999 REVISED: DEC. 17, 2003 HOSHIZAKI ICE DISPENSING BIN/ WATER DISPENSER MODEL DM-90A SERVICE MANUAL...
  • Page 2 No such service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the dispensing bin. Should the reader have any questions or concerns which have not been satisfactorily addressed, please call or write to the HOSHIZAKI Care Department for assistance.

  • Page 3: Table Of Contents

    • Please review this manual. It should be read carefully before the dispensing bin is serviced or maintenance operations are performed. Only qualified service techni- cians should service and maintain the dispensing bin. This manual should be made available to the technician prior to service or maintenance. I.

  • Page 4: Specifications

    I. SPECIFICATIONS...

  • Page 5: General Information

    II. GENERAL INFORMATION 1. CONSTRUCTION...

  • Page 6: Installation And Operating Instructions

    III. INSTALLATION AND OPERATING INSTRUCTIONS 1. CHECKS BEFORE INSTALLATION 1. Using this ice dispensing bin in combination with any ice machine cannot be recommended. Inside of bin must be accessible for cleaning. 2. Remove all tape, packing material and shipping cartons from the ice dispenser to prevent possible damage to the machine.

  • Page 7: Set Up

    be required. More space is needed especially on the left side of the dispensing bin to service the gear motor. 3. SET UP - See Fig. 1 It is especially important that the ice dispensing bin is leveled in both the left-to-right and front-to-rear directions.

  • Page 8: Cabinet Stand

    4) Place the ice dispensing bin on the Cabinet Stand. Combination: SD-90 ... DM-90A 5) You must secure the ice dispensing bin to the Cabinet Stand with four (4) bolts (Cabinet Stand accessory).

  • Page 9: Electrical Connection And Dispensing Switches

    5. ELECTRICAL CONNECTION AND DISPENSING SWITCHES 1. Electrical connection must be made in accordance with the instructions on a “WARNING” tag, provided with the pig tail leads in the Junction Box. 2. To prevent possible electrical shock to individuals or extensive damage to the equipment, install a proper ground wire to the ice dispensing bin that meets local code requirements.
  • Page 10 WARNING ELECTRICAL CONNECTION The white lead must be connected to the neutral conductor of the power source. Miswiring results in severe damage to the icemaker. Fig. 3 Fig. 4...

  • Page 11: Water Supply And Drain Connections

    An arrow on the strainer indicates the direction of the water flow. Note: A Strainer (Hoshizaki Part # 311166A01) is an optional extra. • A water supply line shut-off valve and drain valve should be installed.

  • Page 12: Final Check List

    7. FINAL CHECK LIST 1) Is the ice dispensing bin level? 2) Is the ice dispensing bin in a site where the ambient temperature is within +45°F to +100°F all year around? 3) Is there at least 6" clearance around the ice dispensing bin for easy maintenance and service, and for good ventilation? 4) Have all shipping carton, tape(s) and packing been removed from the ice dispensing bin?

  • Page 13: Technical Information

    IV. TECHNICAL INFORMATION 1. WIRING DIAGRAMS (with Brother Gear Motor)

  • Page 14: Service Diagnosis

    V. SERVICE DIAGNOSIS PROBLEM POSSIBLE CAUSE [1] No ice a) Power Source dispensed. b) Ice Dispense Switch c) Gear Motor d) Solenoid e) Ice Storage [2] No water a) Power Source dispensed. b) Water dispense switch c) Water Valve 1. OFF position. 1.

  • Page 15: Removal And Replacement Of Components

    PROBLEM POSSIBLE CAUSE d) Water Supply [3] Abnormal a) Gear Motor or Gear noise Head b) Mechanism c) Solenoid [4] Ice in storage a) Bin Drain bin often melts. VI. REMOVAL AND REPLACEMENT OF COMPONENTS Ensure all components, fasteners and thumbscrews are securely in place after the equipment is serviced.

  • Page 16: Cleaning And Maintenance Instructions

    1. CLEANING INSTRUCTIONS 1. HOSHIZAKI recommends cleaning this unit at least once a year. (See the “CLEANING INSTRUCTIONS” on the icemaker.) More frequent cleaning, however, may be required in some existing water conditions.

  • Page 17: [B] Sanitizing Procedure

    [b] SANITIZING PROCEDURE - Following Cleaning Procedure 1) Wash all parts in steps 5) and 6) using the following sanitizing solution: 1/2 fl. oz. of a 5.25% sodium hypochlorite solution (chlorine bleach) in 1 gallon of water. 2) Rinse all parts thoroughly with clean water. 3) Reassemble in the reverse order of the removal procedure.

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