Manuals / Middleby Marshall / Kitchen Appliance / Oven

Middleby Marshall PS520G Figure Figure, D. Reinstall End Plugs, Reinstall conveyor

Models: PS520G

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SECTION 4

MAINTENANCE

D. Reinstall End Plugs

1. Reinstall lower end plug. Be sure to tighten the wing screw on the end plug.

2. Reinstall conveyor.

3. Reinstall upper end plug. Be sure to tighten two wing screws on the end plug.

Figure 4-19.

Figure 4-20.

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Middleby Marshall PS520G installation manual Figure Figure, D. Reinstall End Plugs, Reinstall conveyor

Contents

owners operating & installationmanual MiddlebyGASOLINE OR OTHER FLAMMABLE VAPORS AND FOR YOUR SAFETY, DO NOT STORE OR USELIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCENO QUIBBLE LIMITED WARRANTY MIDDLEBY MARSHALLU.S.A. ONLY TABLE OF CONTENTS TABLE OF CONTENTSContinued I.MODEL IDENTIFICATION SECTION DESCRIPTIONFigure 1-1.Single PS520 Oven Figure 1-2.Double PS520 OvenSERIES PS520 ELECTRICAL SPECIFICATIONS PS520 SERIES OVEN SPECIFICATIONSand are also located inside the oven at the bottom of the Control PanelII. COMPONENT FUNCTION Figure Figure 1-4. PS520-SeriesOven Components LocationsBlower Assembly Right Control Box II. COMPONENT FUNCTIONFigure 1-5.Machinery Compartment Components A. Conveyor Motor and Conveyor BeltFigure 1-6.Cooling Fan SECTION DESCRIPTIONF2. Blank Plates SECTION 2 INSTALLATION SECTION INSTALLATION•Perform a gas leak test •Test for correct air supplyINSTALLATION KIT PARTS LIST FOR SERIES PS520 GAS OVENI. UNLOADING Single Stack OvenDouble Stack Oven PARTS LIST FOR SERIES PS520 Gas OVENTriple Stack Oven INSTALLATION KIT4.00 101.6mm Figure 2-5.MODEL PS520 SINGLE OVEN DIMENSIONS1to 3-3/4inch maximum in 1/2 inch increments Figure 2-6.MODEL PS520 DOUBLE OVEN DIMENSIONS4.00 101.6mm1to 3-3/4inch maximum in 1/2 inch increments Figure 2-7.MODEL 520 TRIPLE OVEN DIMENSIONSFOR PS520-SERIESOVENS UTILITY ROUGH-INDIMENSIONS AND POSITIONINGII. VENTILATION GUIDELINES Figure 2-9.Typical PS520-SeriesOvens InstallationFigure 2-11.Junction Connection Box IV. ELECTRIC SUPPLY FOR GAS HEATED OVENSFigure 2-10.Typical Electric Oven Data Plate V. GAS SUPPLY Figure 2-13- Gas Control Valve I. CONTROL FUNCTIONS SECTION OPERATIONFigure 3-1. PS520-SeriesOven Control Functions B. Blower Switch A. Door Safety SwitchC. Heat Switch D. Temperature ControllerFigure 3-3.Conveyor Speed Digital Control MEASURING CONVEYOR SPEEDFigure 3-4.Product at entrance end of baking chamber – BEGINNING OF TIMINGA. Startup Procedures Daily Startup III. STEP-BY-STEPOPERATIONPower Failure B. Shutdown ProcedureFigure 3-6.Control Panel SECTION OPERATIONA.Daily Startup Procedure IV. NORMAL OPERATION - STEP-BY-STEPB.DAILYSHUTDOWNPROCEDURE wait + forSECTION 3 OPERATION SYMPTOM V. QUICK REFERENCE: TROUBLESHOOTINGPROBLEM SOLUTIONSECTION MAINTENANCE SECTION MAINTENANCENOTICE Figure 4-2.Conveyor Belt and Crumb Pan Cleaning I. MAINTENANCE - DAILYFigure 4-1.Oven Cooling Fans A. ExteriorPRECAUTIONS II. MAINTENANCE - MONTHLYA. Removing Conveyor From Oven For Cleaning FigureFigure Figure Figure Figure6. Remove conveyor as shown T1 T2 T3 B1 B2 B3 B. Air Fingers Disassembly For CleaningStandard Fingers FigureFigure C. Reassembly of Air FingersFigure 4-12.Standard Lower Finger Figure 4-13.Standard Upper FingerFigure FigureFigure 2. Reinstall conveyor D. Reinstall End PlugsFigure Figure Figure E. Conveyor Reassembly Into OvenFigure Figure F. Checking Conveyor Belt TensionFigure FigureFigure Figure FigureFigure FigureFigure Figure FigureIV. MAINTENANCE - EVERY 6 MONTHS III. MAINTENANCE - EVERY 3 MONTHSIMPORTANT NOTICES FigurePS520-SERIESGAS OVEN KEY SPARE PARTS KIT Figure KEY SPARE PARTS KITFigure PROBLEM PRODUCTS ARE OVERCOOKED OR UNDERCOOKED SECTION TROUBLESHOOTINGPROBLEM PROBLEM OVEN DOES NOT HEATSECTION TROUBLESHOOTING NOTESWiring Diagram, G208-24050/60 GO, PS520G SCHEMATICSSECTION SECTION ELECTRICAL SCHEMATICS NOTESNOTES SECTION ELECTRICAL SCHEMATICSNOTICE NOTICENOTICE