Middleby Marshall PS536-Series III. Maintenance Every 3 Months, Cleaning the Blower/Fan Motor

Page 43

4.Reassemble conveyor drive chain cover and then reassemble the bottom cover to the drive chain cover.

Install both upper end plugs.

Figure 4-35.

SECTION 4

MAINTENANCE

III. MAINTENANCE - EVERY 3 MONTHS

WARNING

Shut OFF all electrical power and lock/tag out the switch before attempting maintenance work.

Shut OFF gas supply to oven.

NOTE: It is recommended that the 3-month mainte- nance be performed by an authorized Middleby Marshall technician.

A.Cleaning the Blower/Fan Motor

To gain access to the blower/fan motor, open the control cabinet door by removing the three screws. Clean the motor, burner blower motor, the conveyor drive motor and the surrounding area, using either compressed air or CO2. Thoroughly blow out the motor compartment and vents inside the motor (Figure 4-38). Failure to do this can cause premature failure of blower fan motor.

CAUTION

Not cleaning the blower/fan motor properly can cause premature failure.

Figure 4-36.

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Contents Owners operating Page Iii Middleby MarshallTable of Contents Model Identification Section DescriptionGeneral specifications per oven cavity PS536ES Series Oven SpecificationsSeries PS536ES Electrical Specifications DimensionsHeat Transfer and How It Works II. Principle of AIR FlowAir Fingers II. Principle of AIR FlowIII. Component Function Figure PS536ES-Series Oven Components LocationsIII. Component Function Cooling Fan F2. Blank Plates Blank Plates two sizes and an Air FingerUnloading Section InstallationInstallation PS536ES Oven Installation Required Kits and EquipmentInstallation KIT see Figure Model PS536ES Single Oven Dimensions Model PS536ES Double Oven Dimensions Model PS536ES Triple Oven Dimensions Restraint Cable InstallationInstallation II. Ventilation Guidelines 11. Typical Electric Oven Data Plate IV. Electric Supply for Electrically Heated Ovens13. Installing Rear and End Stops VI. Conveyor Rear Stop and END Stop InstallationControl Functions Section OperationII. Component Information and Location Figures 3-1 Conveyor Measuring Conveyor SpeedSee Figures 3-4 III. STEP-BY-STEP Operation Startup Procedures Daily StartupPower Failure Shutdown ProcedureLocation and Description of Controls II. Normal Operation STEP-BY-STEP III. Quick Reference Digital Temperature Controller Symptom IV. Quick Reference TroubleshootingSection Maintenance Crumb Pans Figure Maintenance DailyExterior Cooling FanII. Maintenance Monthly Section Maintenance Standard Fingers Air Fingers Disassembly For CleaningReassembly of Air Fingers Cleaning the WindowBack in the same way they came out Section Maintenance Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal Attaching Drive Chain Replacing Conveyor BeltLower End Plug Cleaning the Blower/Fan Motor III. Maintenance Every 3 MonthsVentilation Electrical TerminalsSplit-belt Conveyor Shaft Cleaning Section Maintenance Important Notices IV. Maintenance Every 6 MonthsKEY Spare Parts KIT Section Troubleshooting Section Troubleshooting Parts List Parts List QTY Description Oven PANELS, Window and LegsParts List English Parts List Blower and Shroud Parts List Item QTY Conveyor Description ConveyorParts List Split Belt Conveyor Element Machinery Compartment Section Parts List Electrical Electrical Section Schematics Electrical Schematics Section Hour Service Hotline