Middleby Marshall PS724E Maintenance Daily, Exterior, Cooling Fan, Conveyor Belt Figure

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SECTION 4

MAINTENANCE

I. MAINTENANCE - DAILY

A. Exterior

Everyday you should clean the outside of the oven with a soft cloth and mild detergent.

WARNING

Never use a water hose or pressurized steam cleaning equipment when cleaning the oven.

B. Cooling Fan

1.TWO COOLING FAN GRILLES AT THE REAR OF THE OVEN MUST BE CLEANED DAILY - Clean grilles with a stiff nylon type brush.

2.Check the air intakes of the cooling fans daily. The best time to check is right after starting the oven.

IMPORTANT NOTE

The cooling fans operate when the blower switch is turned to “ON” (“I”). It must operate to keep the electrical control cabinet below 140°F (60°C).

D. Crumb Pans (Figure 4-2)

WARNING

Crumb pan is extremely hot while oven is operating. Allow oven to cool before removing crumb pan.

When the oven is cool remove and clean the crumb pan at each end of the oven. Each crumb pan can be removed by sliding it out, as shown in Figure 4-2. Reinstall the crumb pans after cleaning.

Cooling Fans

WARNING

IF THE FAN BLADES ARE NOT ROTATING, BROKEN,ORTHEFANASSEMBLYISMISSING FROM THEMAIN BLOWER MOTOR SHAFT, DO NOT OPERATE THE OVEN. REPLACE THE COOLING FAN BLADE BEFORE OPERATING OVEN. Serious damage could be done to the burner blower motor and/or solid-state electrical components if the oven is operated while the cooling fans are not running or if the vent grilles are plugged.

3.Using a stiff nylon brush clean the control compartment vent grilles.

C. Conveyor Belt (Figure 4-2)

Everyday, just after starting the oven, stand at the unloading end of the conveyor, and with a brush, remove food particles (crumbs, etc.) clinging to the conveyor belt, brushing them into the crumb pan.

Figure 4-1. Oven Cooling Fans

Figure 4-2. Conveyor Belt and

Crumb Pan Cleaning

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Contents Owners operating Page Middleby Marshall IiiTable of Contents Section Description PS724 Series Oven Specifications PS724-Series Oven Components Locations II. Component Function Figure Cooling Fan Air Finger Section Installation Section Installation Unloading03  /6%. .34!,,!4 152%$ +434!.$.%150-%.4 Model PS724 Single Oven Dimensions Model PS724 Double Oven Dimensions Model PS724 Triple Oven Dimensions II. Ventilation Guidelines Electric Supply to be Provided by CustomerIV. Electric Supply 11. Junction Connection BoxSection Operation Control FunctionsDoor Safety Switch Blower SwitchHeat / Conveyor Switch Temperature ControllerConveyor Measuring Conveyor SpeedSee Figures 3-4 Startup Procedures Daily Startup Power FailureShutdown Procedure III. STEP-BY-STEP OperationControl Panel Daily Startup Procedure IV. Normal Operation STEP-BY-STEPSP Lock Quick Reference Troubleshooting SymptomSection Maintenance Maintenance Daily ExteriorCooling Fan Conveyor Belt FigureII. Maintenance Monthly Removing Conveyor From Oven For CleaningOosen 4WOO3CREWS and 2EMOVEE#HAIN3PROCKET #OVER Air Fingers Disassembly For Cleaning Standard FingersReassembly of Air Fingers 11. Standard Lower FingerCenter Spacer Extended Lip Flange Finger Manifold Reinstall End Plugs Conveyor Reassembly Into Oven Checking Conveyor Belt TensionConveyor Belt Link Removal Push and hold conveyor end down to reinstall the chain Attaching Drive ChainIII. Maintenance 3 and 6 Month Important NoticesKEY Spare Parts KIT PS724-SERIES Electric Oven KEY Spare Parts KITSection Maintenance Section Troubleshooting Section Troubleshooting Section Electrical Schematics Wiring Diagram, E380V 17.44 kW, PS724E Wiring Diagram, E380V 17.4 kW, PS724E CE Wiring Diagram, 400-416V 4 kW, PS724E7 Section Electrical Schematics

PS724E specifications

The Middleby Marshall PS724E is a revolutionary conveyor oven designed to meet the high demands of commercial kitchens while ensuring superior cooking quality and efficiency. Its innovative design incorporates advanced technologies that deliver exceptional performance, making it a top choice for restaurants, pizzerias, and other food service environments.

One of the main features of the PS724E is its unique dual conveyor system that allows for even cooking. The oven utilizes a patented air impingement technology, which pushes heated air onto the food items for faster cooking times and consistent results. This technology ensures that every dish, from pizzas to casseroles, is cooked evenly and effectively. The conveyor belt operates smoothly, allowing chefs to load and unload products easily without compromising speed.

The PS724E is equipped with an advanced digital control system that provides precise temperature settings and cooking times. This system allows operators to program specific cooking profiles for different menu items, ensuring consistent quality while reducing the risk of human error. With easy-to-read displays, staff can monitor cooking status at a glance, streamlining the workflow in busy kitchens.

Another defining characteristic of the PS724E is its energy efficiency. This model is designed to consume less energy than traditional ovens, making it a sustainable choice for businesses looking to reduce their operating costs. The insulation and airflow technologies used in this oven not only maintain high cooking temperatures but also minimize heat loss, contributing to its low energy consumption.

The oven's construction is robust and durable, built to withstand the rigors of a busy kitchen environment. Its stainless steel exterior not only adds a sleek aesthetic appeal but also ensures easy cleaning and maintenance. The ergonomic design of the conveyor makes it user-friendly, promoting safety while enhancing the overall cooking experience.

In summary, the Middleby Marshall PS724E is an innovative conveyor oven that combines advanced cooking technology, energy efficiency, and user-friendly features. With its dual conveyor system, digital control capabilities, and durable construction, it represents a significant advancement in commercial cooking equipment. This oven is perfectly suited for high-volume operations, offering reliability and consistency while helping to elevate food quality to new heights. Whether used for baking pizzas, roasting meats, or crafting baked goods, the PS724E is an invaluable asset for any modern kitchen.