III. Maintenance Every 3 Months | Middleby Marshall PS536-Series

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.

39

Image 43

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

Contents

Owners operating Page Iii Middleby Marshall Table of Contents Model Identification Section Description General specifications per oven cavity PS536ES Series Oven SpecificationsSeries PS536ES Electrical Specifications Dimensions Heat Transfer and How It Works II. Principle of AIR Flow Air Fingers II. Principle of AIR Flow III. Component Function Figure PS536ES-Series Oven Components Locations III. Component Function Cooling Fan F2. Blank Plates Blank Plates two sizes and an Air Finger Unloading Section Installation Installation PS536ES Oven Installation Required Kits and Equipment Installation KIT see Figure Model PS536ES Single Oven Dimensions Model PS536ES Double Oven Dimensions Model PS536ES Triple Oven Dimensions Restraint Cable Installation Installation II. Ventilation Guidelines 11. Typical Electric Oven Data Plate IV. Electric Supply for Electrically Heated Ovens 13. Installing Rear and End Stops VI. Conveyor Rear Stop and END Stop Installation Control Functions Section Operation II. 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 Procedure Location and Description of Controls II. Normal Operation STEP-BY-STEP III. Quick Reference Digital Temperature Controller Symptom IV. Quick Reference Troubleshooting Section Maintenance Crumb Pans Figure Maintenance DailyExterior Cooling Fan II. Maintenance Monthly Section Maintenance Standard Fingers Air Fingers Disassembly For Cleaning Reassembly of Air Fingers Cleaning the Window Back in the same way they came out Section Maintenance Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into Oven Conveyor Belt Link Removal Attaching Drive Chain Replacing Conveyor BeltLower End Plug Cleaning the Blower/Fan Motor III. Maintenance Every 3 Months Ventilation Electrical Terminals Split-belt Conveyor Shaft Cleaning Section Maintenance Important Notices IV. Maintenance Every 6 Months KEY Spare Parts KIT Section Troubleshooting Section Troubleshooting Parts List Parts List QTY Description Oven PANELS, Window and Legs Parts List English Parts List Blower and Shroud Parts List Item QTY Conveyor Description Conveyor Parts List Split Belt Conveyor Element Machinery Compartment Section Parts List Electrical Electrical Section Schematics Electrical Schematics Section Hour Service Hotline