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Middleby Marshall PS540 installation manual Section Maintenance, Figure Figure

Models: PS540

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SECTION 4

MAINTENANCE

4. Remove conveyor drive chain cover as shown.

5. Remove tension from drive chain by lifting and pushing the conveyor slightly into the oven. Remove drive chain from conveyor drive sprocket as shown.

NOTE: The split belt conveyor assembly can only be removed from the drive end of the oven.

6. Begin sliding conveyor out of the oven as shown.

Figure 4-4.

Figure 4-7.

7. Continue sliding the conveyor completely out of the oven, fold it in half and then place it to the side for cleaning. Be careful not to bump drive sprocket while handling conveyor or damage may result to drive shaft.

Figure 4-5.

Figure 4-8.

CAUTION

Be careful not to bump the drive sprocket while handling the conveyor, to avoid damaging the drive shaft.

Figure 4-6.

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Middleby Marshall PS540 installation manual Section Maintenance, Figure Figure

Contents

manual & installationowners operating MiddlebyFOR YOUR SAFETY, DO NOT STORE OR USE U.S.A. ONLY NO QUIBBLE LIMITED WARRANTYMIDDLEBY MARSHALL Continued TABLE OF CONTENTSTABLE OF CONTENTS I.MODEL IDENTIFICATION SECTION DESCRIPTIONSECTION DESCRIPTION 3 Wire PS540 SERIES OVEN SPECIFICATIONSSERIES PS540 ELECTRICAL SPECIFICATIONS and are also located inside the oven at theFigure 1-4. PS540-SeriesOven Air Flow SECTION DESCRIPTIONII. PRINCIPLE OF AIR FLOW A. Heat Transfer and How It WorksB. Air Fingers SECTION DESCRIPTIONII. PRINCIPLE OF AIR FLOW Continued III. COMPONENT FUNCTION Figure SECTION DESCRIPTIONFigure 1-6. PS540-SeriesOven Components Locations Left Control Box Right Control Box SECTION DESCRIPTIONIII. COMPONENT FUNCTION A. Conveyor Motor and Conveyor BeltE. Cooling Fan — See Figure SECTION DESCRIPTIONFigure 1-8.Cooling Fan F1. Air Fingers SECTION DESCRIPTIONF. Air Fingers and Blank Plates - See Figure F2. Blank PlatesI. UNLOADING SECTION INSTALLATIONSECTION INSTALLATION PARTS LIST FOR SERIES PS540 GAS OVEN SECTION INSTALLATIONPS540 OVEN INSTALLATION INSTALLATION KITOption Base with Legs and Top SECTION INSTALLATIONFigure 2-2.Model PS540 Single Oven Option Base with Legs and Top SECTION INSTALLATIONFigure 2-3.Model PS540 Double Oven Option Base with Outriggers and Top SECTION INSTALLATIONFigure 2-4.Model PS540 Triple Oven 1GAS INLET SECTION INSTALLATIONFigure 2-5.MODEL PS540 SINGLE OVEN DIMENSIONS ELECTRICAL JUNCTION BOX1GAS INLET SECTION INSTALLATIONFigure 2-6.MODEL PS540 DOUBLE OVEN DIMENSIONS ELECTRICAL JUNCTION BOXFigure 2-7.MODEL TRIPLE OVEN DIMENSIONS SECTION INSTALLATIONRESTRAINT CABLE INSTALLATION Figure 2-8.Restraint Cable Assembly InstallationFigure 2-9.Typical PS540-SeriesOvens Installation SECTION INSTALLATIONUTILITY ROUGH-INDIMENSIONS AND POSITIONING FOR PS540-SERIESOVENSVENTILATION HOOD SECTION INSTALLATIONII. VENTILATION GUIDELINES Figure 2-10.Vent HoodVOLTAGE OF THE BLACK AND WHITE WIRES MUST BE NO SECTION INSTALLATIONDO NOT CONNECT BLACK WIRE TO HIGH LEG IV. ELECTRIC SUPPLY FOR GAS- HEATED OVENSFigure 2-12.Junction Connection Box SECTION INSTALLATIONV. GAS SUPPLY FOR GAS HEATED OVENS Figure 2-14.Installing Rear and End Stops VI. CONVEYOR REAR STOP AND END STOP INSTALLATIONFigure 2-13.Flexible Hose Installation NOTES SECTION INSTALLATIONI. CONTROL FUNCTIONS SECTION OPERATIONSECTION OPERATION C. Heat Switch A. Door Safety SwitchB. Blower Switch D. Temperature ControllerFigure 3-3.Conveyor Speed Digital Control MEASURING CONVEYOR SPEEDSECTION OPERATION Figure 3-4.Product at entrance end of bakingOVEN MUST BE KEPT CLEAR OF SECTION OPERATIONIII. STEP-BY-STEPOPERATION COMBUSTIBLES AT ALL TIMESSECTION OPERATION Figure 3-6.Control PanelII. NORMAL OPERATION - STEP-BY-STEP A.Daily Startup ProcedureSECTION OPERATION wait + forSECTION 3 OPERATION PROBLEM IV. QUICK REFERENCE: TROUBLESHOOTINGSYMPTOM SOLUTIONSECTION MAINTENANCE SECTION MAINTENANCEA. Exterior SECTION MAINTENANCEI. MAINTENANCE - DAILY B. Cooling FanPRECAUTIONS II. MAINTENANCE - MONTHLYSECTION MAINTENANCE A. Removing Conveyor From Oven For CleaningFigure Figure SECTION MAINTENANCEFigure Figure FigureStandard Fingers SECTION MAINTENANCEB. Air Fingers Disassembly For Cleaning FigureD. Reassembly of Air Fingers SECTION MAINTENANCEC. Cleaning the Window FigureSECTION MAINTENANCE clear so you won’t pinch themSECTION MAINTENANCE 2. Reinstall conveyor SECTION MAINTENANCEE. Reinstall End Plugs G. Checking Conveyor Belt Tension SECTION MAINTENANCEF. Conveyor Reassembly Into Oven SECTION MAINTENANCE H. Conveyor Belt Link RemovalJ. Attaching Drive Chain SECTION MAINTENANCEI. Replacing Conveyor Belt Lower End PlugA.Cleaning the Blower/Fan Motor SECTION MAINTENANCEIII. MAINTENANCE - EVERY 3 MONTHS C. Ventilation SECTION MAINTENANCEB. Electrical Terminals D. Checking the Blower/Fan BeltSECTION MAINTENANCEF. Split-beltConveyor Shaft Cleaning E. Blower Fan Shaft Bearing LubricationSECTION MAINTENANCE 9. Loosen the split locking collarIMPORTANT NOTICES IV. MAINTENANCE - EVERY 6 MONTHSSECTION MAINTENANCE Figure Figure Figure FigureITEM SECTION MAINTENANCEKEY SPARE PARTS KIT PART NOSECTION TROUBLESHOOTING SECTION TROUBLESHOOTINGSECTION TROUBLESHOOTING NOTESSECTION PARTS LIST SECTION 6 - PARTS LISTENGLISH SECTION 6 PARTS LIST ENGLISHOVEN PANELS, WINDOW AND LEGS SECTION 6 PARTS LISTENGLISH SECTION 6 PARTS LIST ENGLISHENGLISH CONTROL PANELSECTION 6 PARTS LIST ENGLISHENGLISH BLOWER AND SHROUDSECTION 6 PARTS LIST ENGLISHENGLISH CONVEYORSECTION 6 PARTS LIST ENGLISHSPLIT BELT CONVEYOR SECTION 6 PARTS LISTENGLISH SECTION 6 PARTS LIST ENGLISHGAS BURNER AND PIPING ASSEMBLY ENGLISHSECTION 6 PARTS LIST ENGLISHENGLISH MACHINERY COMPARTMENTENGLISH SECTION PARTS LISTNOTES Wiring Diagram, G208-24050/60, 1PH 3W PS540 SECTION ELECTRICAL SCHEMATICSSECTION ELECTRICAL SCHEMATICS NOTES SECTION ELECTRICAL SCHEMATICSSECTION ELECTRICAL SCHEMATICS NOTESSECTION ELECTRICAL SCHEMATICS NOTESPage NOTICE 24-HourService Hotline:NOTICE NOTICE