Middleby Cooking Systems Group PS520E operation manual Section Maintenance

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SECTION 4

MAINTENANCE

SECTION 4

MAINTENANCE

WARNING

Possibility of injury from rotating parts and electrical shock exist in this oven. Turn off and lockout or tagout electrical supply to oven(s) before attempting to disassemble, clean or service oven(s). Never disassemble or clean the oven with the blower switch or any other part of the oven turned on.

WARNING

Before performing any maintenance work or cleaning,

turn main power switch off.

CAUTION

When cleaning do not use any abrasive cleaning

materials or water spray, wipe clean only. Never use a water hose or pressurized steam cleaning equipment when cleaning this oven.

NOTICE

If the oven is to be removed from it’s installed location for servicing, perform the following procedure:

1.Switch off the oven and allow it to cool, DO NOT service the oven while it is warm.

2.Turn off main circuit breakers and disconnect connector from oven.

3.Move oven to desired location for servicing.

4.When servicing is complete, move oven to original location.

5.Adjust legs to level oven.

6.Connect electrical connectors to oven.

7.Turn on main circuit breaker.

8.Follow normal start-up instructions.

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Contents Installation Page A. Only IiiTable of Contents Section Description Model IdentificationPS520 Series Oven Specifications This Manual Must Be Kept For Future ReferenceII. Component Function Section Installation UnloadingInstallation KIT Single and Double Stack OvensModel PS520 Single Oven Dimensions II. Ventilation IV. Electric Supply for Electrically Heated Ovens 11. Junction Connection BoxSection Operation Control FunctionsDoor Safety Switch Blower SwitchHeat Switch Temperature ControllerSee -4 Measuring Conveyor SpeedConveyor Start-up Procedure Daily Start-up Power FailureShutdown Procedure III. STEP-BY-STEP Operation IV. Normal Operation STEP-BY-STEP Daily Start-up Procedure Daily Shutdown Procedure Overtemp Quick Reference Troubleshooting SymptomSection Maintenance Maintenance Daily ExteriorImportant Note Conveyor Belt FigureII. Maintenance Monthly PrecautionsRemoving Conveyor From Oven For Cleaning Part#QuantitySection Maintenance Air Fingers Disassembly For cleaning Standard FingersReassembly of Air Fingers 12. Standard Lower FingerExtended Lip Tab on Outer Plate Flange Finger Manifold Reinstall End Plugs Conveyor Reassembly Into Oven Checking Conveyor Belt TensionConveyor Belt Link Removal Attaching Drive Chain III. Maintenance Every 3 Months IV. Maintenance Every 6 MonthsElectrical Terminals VentilationPS520-SERIES Electric Oven KEY Spare Parts KIT Description QuantitySection Troubleshooting E208-240V 50/60/1 E380-480V 50/60/1 E230-240V CE, 1Ph E380-400V CE, 1Ph E380-400V CE, 3Ph