Middleby Marshall PS540 installation manual Extended Lip Tab on Outer Plate Flange Finger Manifold

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SECTION 4

MAINTENANCE

2. Reassemble the inner plate. Keep your fingers clear so you won’t pinch them. The inner plate of a finger will only go in one way because of its design.

3.Replace the outer plate by placing your hands flat on the top of the plate and pushing down. Keep your fingers

clear so you won’t pinch them.

Figure 4-18.

4.Replace the air fingers by pushing in at the back side. Remember to replace them according to the numbers marked on them when they were removed. They must go back in the same way they came out.

Figure 4-19.

IMPORTANT: Only M6 Fingers fit in the bottom row. All M3 and M1 finger cover plates have extended lips at front. This extended lip will not allow these fingers to be installed in the bottom row.

IMPORTANT: When inserting fingers the tab on the outer plate must be in the groove as shown in Figure 4-20. There is a blocking tab on the outside of the groove which will prevent inserting the finger in the groove if the outer plate is moved away from the flange of the finger manifold.

Extended Lip

Tab on

Outer Plate

Flange of

Finger Manifold

Tab on

Outer Plate

Figure 4-20.

37

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Contents Owners operating Page Iii Middleby MarshallTable of Contents Model Identification Section DescriptionPS540 Series Oven Specifications Heat Transfer and How It Works II. Principle of AIR FlowAir Fingers II. Principle of AIR FlowIII. Component Function Figure PS540-Series Oven Components LocationsConveyor Motor and Conveyor Belt III. Component FunctionBlower Fan Gas BurnerCooling Fan See Figure Cooling FanF2. Blank Plates Air Fingers and Blank Plates See Figure F1. Air FingersUnloading Section InstallationParts List for Series PS540 GAS Oven Installation KIT PS540 Oven Installation Required Kits and EquipmentModel PS540 Single Oven Option Base with Legs and Top Model PS540 Double Oven Option Base with Legs and Top Model PS540 Triple Oven Option Base with Outriggers and Top Model PS540 Single Oven Dimensions Model PS540 Double Oven Dimensions Model Triple Oven Dimensions Restraint Cable InstallationSection Installation 10. Vent Hood II. Ventilation Guidelines Ventilation Hood11. Typical Gas Oven Data Plate IV. Electric Supply for GAS- Heated Ovens12. Junction Connection Box GAS Supply for GAS Heated OvensVI. Conveyor Rear Stop and END Stop Installation Section Installation Control Functions Section OperationBlower Switch Door Safety SwitchHeat Switch Temperature ControllerSee Figures 3-4 Measuring Conveyor SpeedConveyor III. STEP-BY-STEP Operation Control Panel II. Normal Operation STEP-BY-STEP Daily Startup ProcedureSP Lock Symptom IV. Quick Reference TroubleshootingSection Maintenance Exterior Maintenance DailyCooling Fan Crumb Pans FigureRemoving Conveyor From Oven For Cleaning II. Maintenance MonthlySection Maintenance Standard Fingers Air Fingers Disassembly For CleaningReassembly of Air Fingers Cleaning the WindowExtended Lip Tab on Outer Plate Flange Finger Manifold Section Maintenance Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal Lower End Plug Replacing Conveyor BeltAttaching Drive Chain Cleaning the Blower/Fan Motor III. Maintenance Every 3 MonthsChecking the Blower/Fan Belt Electrical TerminalsVentilation Blower Fan Shaft Bearing Lubrication Split-belt Conveyor Shaft CleaningSection Maintenance Important Notices IV. Maintenance Every 6 MonthsPS540-SERIES GAS Oven KEY Spare Parts KIT, p/n 36805 Figure KEY Spare Parts KITSection Troubleshooting Section Troubleshooting Parts List English NUT, 3/8″-16 Nylon Insulated L/N ZC Oven PANELS, Window and LegsSection Parts List Control Panel English Blower and Shroud English Conveyor English Split Belt Conveyor English GAS Burner and Piping Assembly English Machinery Compartment Section Parts List Section Electrical Schematics Section Electrical Schematics Section Electrical Schematics Section Electrical Schematics Page Hour Service Hotline

PS540 specifications

The Middleby Marshall PS540 is a state-of-the-art conveyor pizza oven that has garnered significant attention in the commercial kitchen world due to its advanced features and capabilities. This oven is designed to meet the high-volume demands of pizzerias, restaurants, and food service establishments, offering efficiency without sacrificing quality.

One of the standout features of the PS540 is its innovative air impingement technology. This system utilizes powerful jets of hot air that circulate around the pizza, ensuring even cooking and browning. The result is a perfectly cooked pizza with a crispy crust and melting cheese, all while reducing cooking times significantly compared to traditional ovens. The efficiency of the PS540 allows operators to increase output, making it a valuable asset during peak hours.

Another key characteristic of the PS540 is its adjustable conveyor speed, which enables operators to customize cooking times based on the specific menu items being prepared. This flexibility ensures that various pizzas, from thick crust to thin crust, can be cooked to perfection. The conveyor design also facilitates a seamless workflow in busy kitchens, allowing for easy loading and unloading of pizzas.

In addition to its cooking capabilities, the PS540 boasts a user-friendly control panel, featuring intuitive digital controls for temperature and cooking times. This user-focused design simplifies operation, allowing staff members to easily program the oven for consistent results. Furthermore, the oven's durable construction and high-quality materials ensure reliability and longevity, minimizing maintenance needs and downtime.

Energy efficiency is a critical consideration in commercial kitchens, and the Middleby Marshall PS540 stands out in this area as well. By optimizing airflow and heat transfer, the oven reduces energy consumption while maintaining exceptional performance. This not only contributes to lowering operational costs but also aligns with sustainability efforts in food service.

Safety features, such as cool-touch exteriors and integrated ventilation systems, further enhance the PS540's appeal, ensuring that it meets the rigorous standards required in commercial kitchens. Overall, the Middleby Marshall PS540 not only elevates pizza quality but also enhances operational efficiency, making it an indispensable tool for any high-volume restaurant or pizza establishment. With its blend of technology, performance, and ease of use, the PS540 sets a new standard for conveyor pizza ovens in the culinary landscape.
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