Manuals / hussman / Kitchen Appliance / Refrigerator

hussman P/N 0420057_B Service, P/N 0420057B, Replacing Fan Motors And Blades, Lock Out / Tag Out

Models: P/N 0420057_B

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SERVICE

P/N 0420057_B

6-1

SERVICE

REPLACING FAN MOTORS AND BLADES

See cross section for location of evaporator fans. Should it ever be necessary to service or replace the fan motors or blades be certain that the fan blades are re-installed correctly. THE BLADES

MUST BE INSTALLED WITH RAISED EMBOSSING (PART NUMBER ON PLASTIC BLADES) POSITIONED AS INDICATED ON THE PARTS LIST. (Refer to the

case data sheet for each model.)

For access to evaporator fans:

1.Turn off power

2.Remove bottom display pans.

3.Disconnect fan from wiring harness.

4.Lift fan plenum out of case. Place on stable work surface.

5.Remove screws holding fan basket to plenum. Fan blade may be removed after fan assembly is removed from plenum.

6.Remove screws holding bottom of motor to fan basket.

7.Replace fan motor and blade in fan basket.

8.Reinstall fan basket in plenum and reinstall plenum in case.

9.Reconnect fan to wiring harness. Turn power on.

10.Verify that motor is working and blade is turning in the correct direction.

!WARNING

— LOCK OUT / TAG OUT —

To avoid serious injury or death from electrical shock, always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component. This includes, but is not limited to, such items as doors, lights, fans, heaters, and thermostats.

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HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.

Service Merchandisers

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hussman P/N 0420057_B Service, P/N 0420057B, Replacing Fan Motors And Blades, Disconnect fan from wiring harness

Contents

Service Merchandisers Impact SeriesInstallation Includes Wedge Installation NSF CertifiedPage P/N 0420057B CONTENTSINSTALLATION MAINTENANCEWARRANTY REVISION HISTORY Revision B SERVICECONTENTS P/N 0420057BService Merchandisers SAFETYP/N 0420057B PERSONAL SAFETY vi CONTENTSP/N 0420057B If in doubt, DO NOT ENTER and inform the clientP/N 0420057B INSTALLATIONNSF CERTIFICATION LOCATIONP/N 0420057B MERCHANDISERS SHIPPED WITH END INSTALLEDSHIPPING DAMAGE Apparent Loss or Damagefor 8 ft Case Shipping RiderP/N 0420057B Cross-MembersAdjustable Leveler AdjustmentP/N 0420057B Attention to glass position is critical during the leveling processGLASS POSITIONING P/N 0420057BP/N 0420057B ADJUSTMENT BOLTOptional Flexible Wiper Gasket P/N 0420057B 9. The set screw and adjusting bolt are now accessibleP/N 0420057B INSTALLING COIL COVER AND DRIP TRAYJOINING INSTRUCTIONS Installing Optional Wrap Board Drip Tray Connector Drip TubeP/N 0420057B Wrapping Board Assembly for Mounting to Left Hand Side of Case 1-10 INSTALLATIONWrapping Board Assembly for Mounting to Right Hand Side of Case Wrapping Board Assembly for Mounting to Center of 12-Ft CaseInstalling Optional Scale Stand 1-11P/N 0420057B P/N 0420057B 9. Reposition scale stand and attach using #8 truss head screwsP/N 0420057B REFRIGERATION / ELECTRICALREFRIGERANT REFRIGERANT PIPING Connection LocationP/N 0420057B CONTROL SETTINGSLine Sizing Oil TrapsOfftime Defrost P/N 0420057BREFRIGERATION THERMOSTAT DEFROST TERMINATION THERMOSTATIDENTIFICATION OF WIRING FIELD WIRINGP/N 0420057B MERCHANDISER ELECTRICAL DATAINSTALLING DRIP PIPING DRIP PIPING AND SPLASHGUARDSP/N 0420057B WASTE OUTLET AND WATER SEALTo Install Lower Front Panel INSTALLING SPLASHGUARD AND LOWER FRONT PANELP/N 0420057B 1Leg of1P/N 0420057B DetailFront Splashguard Retainer / Bracket 3 for 8 ft - 4 for 12 ft ScrewsFor fixed installation INSTALLING BOTTOM REAR PANELP/N 0420057B 1. Align slots in bottom rear panel with center of legsSTART UP / OPERATION Service MerchandisersDO NOT BLOCK AIR GRILLE P/N 0420057BPlease note that the tape cannot be exposed after installation INSTALLING FDA/NSF REQUIRED THERMOMETERP/N 0420057B SMBTService Merchandisers This is an NSF-7US FDA Food Code RequiredDO NOT DESTROY Keep with merchandiser or give to store managerImportant - Please read during cleaning process MAINTENANCECARE AND CLEANING Turn off refrigeration, then disconnect electrical powerSTEP 2 - Turn off refrigeration STEP 3 - Shut power off INTERIOR CLEANING STEPS5-2 MAINTENANCE P/N 0420057BP/N 0420057B Service MerchandisersSTEP 5 - Remove display pans STEP 6 - Lift out display pan support STEP 7 - Lift out discharge air grilleP/N 0420057B 5-4 MAINTENANCESTEP 11 - Lift out return air grille from front Unplug fan harnessSTEP 15 - Clean and sanitize according to Health Code requirements STEP 14 - Clean inside the merchandiserService Merchandisers P/N 0420057BP/N 0420057B CLEANING ANTI-REFLECTIVE GLASS Anti-Reflective GlassSTEP 16 - Reassemble in reverse order REMOVING SCRATCHES FROM BUMPER3. Disconnect fan from wiring harness SERVICEP/N 0420057B REPLACING FAN MOTORS AND BLADESScrews P/N 0420057BREMOVING POLYCARBONATE LAMP COVERS Canopy FixtureP/N 0420057B ELECTRICAL SERVICE RECEPTACLESREPLACING FLUORESCENT LAMPS Plastic Shield Fluorescent Lamp End CapP/N 0420057B Behind This Panel Light Switch BelowREPLACING ELECTRONIC BALLAST Lamp Ballast LOCK OUT / TAG OUTHave your Service Contractor replace the cylinders when required to support the glass when fully open to allow the glass to come downP/N 0420057B REPLACING CYLINDERS SINGLE PANE GLASSREPLACING SINGLE PANE FRONT GLASS Requires more than one person P/N 0420057BSet Screw Locations Fully Engage Glass in Clamp GasketREPLACING GLASS HAND GRIP P/N 0420057BDuct Tape Glass 3/8 in. 10 mm of Duct Tape on Each Side of Bottom Edge of GlassP/N 0420057B REPAIRING ALUMINUM COILTechnique 01 July