Middleby Marshall PS528G III. Maintenance Every 3 Months, IV. Maintenance Every 6 Months

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4.  Reattach conveyor guard to control panel and secure two screws.

Install both upper end plugs.

Figure 4-34.

III. MAINTENANCE - EVERY 3 MONTHS

WARNING

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

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

SECTION 4

MAINTENANCE

A.  Electrical Terminals

Open the control cabinet door by removing the three screws from the control cabinet door. Tighten all electrical control terminal screws including the electrical contactor terminal screws as shown in Figure 4-35.

Figure 4-35.

B.  Ventilation

Check that the air circulation throughout the oven is not blocked and is working properly.

IV. MAINTENANCE - EVERY 6 MONTHS

A.  Check brushes on D.C. conveyor motor, when worn to less than 1/10(2.4mm), replace the brushes.

B.  Check your oven venting system.

C. Inspect and clean the burner nozzle and the spark electrode assembly.

IMPORTANT NOTICES:

•  Installation of replacement parts requiring access to the interior of the oven is permitted only by an authorized service technician.

•  If there are any problems with the operation of the oven, the authorized service technician must be called.

•  It is suggested to obtain a service contract with a manufacturer’s authorized service technician.

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Contents Owners operating Page Iii Middleby MarshallTable of Contents Model Identification Section DescriptionSeries PS528 Electrical Specifications PS528 Series Oven SpecificationsThis Manual Must Be Kept For Future Reference PS528-Series Oven Components Locations II. Component Function Cooling Fan F2. Blank Plates Blank Plates two sizes and an Air FingerInstallation Section InstallationUnloading Parts List for Series PS528 GAS Oven Installation KITItem no QTY Description Model PS528 Single Oven Dimensions Model PS528 Double Oven Dimensions Model 528 Triple Oven Dimensions Electric Supply to be Provided by Customer Circuit Breaker II. Ventilation Guidelines11. Junction Connection Box IV. Electric Supply for GAS Heated OvensGAS Supply 16. Gas Burner Assembly Checking the Gas Supply Inlet Pressure Section Installation Control Functions Section OperationTemperature Controller Door Safety SwitchBlower Switch Heat SwitchConveyor Measuring Conveyor SpeedSee Figures 3-4 III. STEP-BY-STEP Operation Startup Procedures Daily StartupPower Failure Shutdown ProcedureControl Panel IV. Normal Operation STEP-BY-STEP Daily Startup ProcedureSP Lock Symptom Quick Reference TroubleshootingSection Maintenance Conveyor Belt Figure Maintenance DailyII. Maintenance Monthly ExteriorQuantity Removing Conveyor From Oven For CleaningSection Maintenance T1 T2 T3 B1 B2 B3 Air Fingers Disassembly For Cleaning12. Standard Lower Finger Reassembly of Air FingersExtended Lip Tab on Outer Plate Flange Finger Manifold Incorrect Too Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal Remove the outside master links on the right and left Attaching Drive Chain Electrical Terminals III. Maintenance Every 3 MonthsIV. Maintenance Every 6 Months Important NoticesPS528-SERIES GAS Oven KEY Spare Parts KIT Figure KEY Spare Parts KITProblem Oven does not Heat Section TroubleshootingSection Troubleshooting Section Electrical Schematics
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PS528G specifications

The Middleby Marshall PS528G is a cutting-edge gas-fired conveyor oven, designed to revolutionize the way food is cooked in high-demand commercial kitchen environments. Renowned for its exceptional performance, this oven combines advanced technology with user-friendly features, making it a preferred choice for restaurants, pizzerias, and other food service operations.

One of the standout features of the PS528G is its impressive cooking capacity. With a spacious cooking chamber and a conveyor belt that ensures uniform movement of food items, this oven can handle a variety of menu items all at once. This is particularly beneficial for establishments with high volume requirements, as the efficient design allows for consistent results and quick turnaround times.

The PS528G utilizes advanced jet air technology, which circulates hot air throughout the cooking chamber. This ensures even cooking and browning of food, eliminating cold spots and ensuring that every item comes out perfectly cooked. The enhanced air flow not only improves cooking quality but also reduces the cooking time compared to traditional ovens.

Energy efficiency is another highlight of the Middleby Marshall PS528G. The gas-fired system is engineered to optimize fuel consumption, making it both environmentally friendly and cost-effective. Operators can expect significantly lower energy bills without compromising on cooking performance, making this oven an ideal investment for busy kitchens.

Moreover, the PS528G features a user-friendly digital control panel. This intuitive interface allows operators to easily set cooking temperatures, adjust conveyor speeds, and monitor cooking cycles with precision. The programmable features enable users to save recipes, ensuring consistency across batches and streamlining kitchen operations.

Safety is also a top priority with the PS528G. The oven is equipped with safety features such as a reliable ignition system and temperature controls that prevent overheating, reducing the risk of accidents in busy kitchens.

In conclusion, the Middleby Marshall PS528G is a powerhouse in the realm of commercial cooking. Its combination of high cooking capacity, advanced jet air technology, energy efficiency, user-friendly controls, and safety features make it an essential tool for any food service operation that demands high-quality cooking in a fast-paced environment. As the culinary landscape continues to evolve, the PS528G stands as a testament to innovation and reliability in the kitchen.