Manuals / Middleby Marshall / Kitchen Appliance / Oven

Middleby Marshall PS528E E. Conveyor Reassembly Into Oven, F. Checking Conveyor Belt Tension

Models: PS528 (Triple) PS528 (Double) PS528E

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E. Conveyor Reassembly Into Oven

SECTION 4

MAINTENANCE

E. Conveyor Reassembly Into Oven

1. Lift conveyor and position it in oven as shown.

NOTE: Conveyor may be inserted into either end of oven. If it is to be installed from the non-drive end of the oven the drive sprocket assembly must be removed as shown in conveyor disassembly section.

F. Checking Conveyor Belt Tension

WARNING

Oven conveyor belt must be cool when adjusting belt. Do not adjust belt if HOT.

1. With the conveyor assembly in the oven, stand at one end of conveyor and check tension by lifting the conveyor belt at the center of the oven chamber opening. The belt should not lift higher that 1″ to 2″ (75mm to 102mm).

2. If conveyor belt is still not under proper tension, an entire link must be removed. Use the following procedure “H. Conveyor Belt Link Removal” to remove a link. If conveyor belt is under proper tension proceed directly to “J. Attaching Drive Chain”.

Figure 4-21.

2. Reinstall the conveyor extension.

Conveyor Extension

Figure 4-23.

Figure 4-22.

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Middleby Marshall PS528E, PS528 (Double) E. Conveyor Reassembly Into Oven, F. Checking Conveyor Belt Tension

Contents

installation owners operatingmanual PS528-Series OVENS Model PS528EFOR YOUR SAFETY, DO NOT STORE OR USE MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY Non U.S.A No Quibble Limited WarrantyMIDDLEBY MARSHALL U.S.A. OnlyTABLE OF CONTENTS TABLE OF CONTENTSSERIES PS528 ELECTRICAL SPECIFICATIONS INSTALLATION KITSECTION DESCRIPTION I. MODEL IDENTIFICATIONPS528 SERIES OVEN SPECIFICATIONS SERIES PS1828 ELECTRICAL SPECIFICATIONSThis Manual Must Be Kept For Future Reference Main BlowerSECTION DESCRIPTION Figure 1-4. PS528-Series Oven Components LocationsII. COMPONENT FUNCTION SECTION DESCRIPTION Figure 1-6. Cooling FanF2. Blank Plates Figure 1-7. Blank Plates two sizes and an Air FingerSECTION INSTALLATION I. UNLOADINGPARTS LIST FOR SERIES PS528 ELECTRIC OVEN INSTALLATION KIT PARTS LIST FOR SERIES PS528 ELECTRIC OVENINSTALLATION KIT Figure 2-1. PS528-Series Electric Oven Installation PartsFigure 2-5. MODEL PS528 SINGLE OVEN DIMENSIONS SECTION INSTALLATION Figure 2-6. MODEL PS528 DOUBLE OVEN DIMENSIONSSECTION INSTALLATION Figure 2-7. MODEL 528 TRIPLE OVEN DIMENSIONSUTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS528-SERIES OVENS Figure 2-9. Typical PS528-Series Ovens InstallationELECTRICAL SPECIFICATIONS UNIT MUST HAVE AIR VENT PLATES INSTALLED OR WARRANTY WILL BE VOIDServices at 847-741-3300. Press 3, then 5 for Technical Support IV. ELECTRIC SUPPLY FOR ELECTRICALLY HEATED OVENSFigure 2-10. Typical Electric Oven Data Plate Figure 2-11. Junction Connection BoxSECTION INSTALLATION SECTION OPERATION I. CONTROL FUNCTIONSFigure 3-1. PS528-Series Oven Control Functions A. Door Safety Switch B. Blower SwitchC. Heat Switch D. Temperature ControllerMEASURING CONVEYOR SPEED Figure 3-4. Product at entrance end of bakingchamber - BEGINNING OF TIMING Figure 3-5. Product at exit end of baking chamber - END OF TIMINGA. Startup Procedures Daily Startup Power FailureB. Shutdown Procedure III. STEP-BY-STEP OPERATIONSECTION OPERATION Figure 3-6. Control PanelA.Daily Startup Procedure B. daily Shutdown ProcedurEIV. NORMAL OPERATION - STEP-BY-STEP waitTemperature Key Service KeyDisplay SP LOCK LightV. QUICK REFERENCE TROUBLESHOOTING light is lit, food product is undercookedOven will not turn on at all appears in display, oven is not heating Oven will not heatSECTION MAINTENANCE SECTION MAINTENANCEI. MAINTENANCE - DAILY Figure 4-2. Conveyor Belt and Crumb Pan CleaningA. Exterior B. Cooling FanII. MAINTENANCE - MONTHLY PRECAUTIONSA. Removing Conveyor From Oven For Cleaning QuantityB. Air Fingers Disassembly For Cleaning 5. Lift other side of conveyor and push toward other side6. Remove conveyor as shown Be careful not to bump the drive sprocketT1 T2 T3 B1 B2 B3 Standard FingersC. Reassembly of Air Fingers Figure 4-12. Standard Lower Finger Figure 4-13. Standard Upper FingerExtended Lip Tab on Outer Plate Flange of Finger Manifold Tab on Outer Plate5. Install fingers and blank plates correctly with edges interlocked and no space between edgesD. Reinstall End Plugs E. Conveyor Reassembly Into Oven F. Checking Conveyor Belt TensionG. Conveyor Belt Link Removal SECTION 4 MAINTENANCE H. Attaching Drive ChainIII. MAINTENANCE - EVERY 3 MONTHS IV. MAINTENANCE - EVERY 6 MONTHSIMPORTANT NOTICES A. Electrical TerminalsKEY SPARE PARTS KIT PS528-SERIES ELECTRIC OVEN KEY SPARE PARTS KIT FigureENGLISH DESCRIPTION QUANTITYSECTION TROUBLESHOOTING PROBLEM PRODUCTS ARE OVERCOOKED OR UNDERCOOKEDPROBLEM OVEN BLOWER AND CONVEYOR OPERATE YET THE OVEN IS NOT HEATING PROBLEM OVEN DOES NOT HEATSECTION TROUBLESHOOTING SECTION 6 - PARTS LIST ENGLISHSECTION 6 PARTS LIST ENGLISHENGLISH SINGLE OVEN EXPLODED VIEWDESCRIPTION SECTION 6 PARTS LIST ENGLISHENGLISH RELAY PANELSECTION 6 PARTS LIST ENGLISHBLOWER ASSEMBLY SWITCH, MOMENTARY-12A, NO 2 POLESECTION PARTS LIST ENGLISHSECTION 6 PARTS LIST ENGLISHENGLISH CONTROL PANELSECTION 6 PARTS LIST ENGLISHENGLISH SINGLE CONVEYORSECTION PARTS LIST ENGLISHSECTION ELECTRICAL SCHEMATICS SECTION ELECTRICAL SCHEMATICSWiring Diagram, E208-240V 50/60/1, PS528 P/N 62311 REV B SECTION ELECTRICAL SCHEMATICS Wiring Diagram, E208-240V 50/60/3, PS528 P/N 62309 REV BSECTION ELECTRICAL SCHEMATICS Wiring Diagram, E380-480V 50/60/3, PS528 P/N 62310 REV BSECTION ELECTRICAL SCHEMATICS Wiring Diagram, E380V 50/60/3 CE PS528 P/N 63969 REV BSECTION ELECTRICAL SCHEMATICS relieves the manufacturer of all warranty and liability