12.Slide shaft assembly to right side, holding assembly in place. Slide split locking collar to the left side and tighten.

13.Slide rear conveyor drive sprocket onto shaft. Tighten the set screw of this drive sprocket until it extends into the hole of the hollow shaft. It should NOT touch the inner, solid shaft. Check to see that only the rear shaft moves when the sprocket is turned. If both shafts move, you have tightened the set screw too tight. Loosen the set screw until only the rear shaft moves when the sprocket is turning.

14.Insert adaptor bushing into remaining drive sprocket then place onto shaft. Make sure nylon spacer is in place. Tighten set screw making sure screw goes through slot in adaptor bushing and locks onto shaft.

15.Thread conveyor belts back onto frame making sure the links will be traveling in the proper direction.

16.Follow conveyor reassembly instructions in Monthly Maintenance Paragraph “F”.

NOTE: It is recommended that the 6 Month Maintenance schedule be performed by a Middleby Marshall authorized service technician.

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.Clean and inspect the burner nozzle and electrode assembly. Also check your oven venting system.

C.Check conveyor shaft bushings and spacers. Replace them if they are worn. See Figure 6-5, Conveyor Exploded Drawing, items 15, 30 and 31 or Figure 6-6, Split Belt Conveyor, items 19, 23, 31, 35 and 36.

IMPORTANT NOTICES:

•The installation, startup and changes required when changing from one gas type to another can be performed only by an authorized service technician.

CANADIAN REGULATIONS PROHIBIT CHANGING AN OVEN’S OPERATION FROM ONE GAS TO ANOTHER.

•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.

SECTION 4

MAINTENANCE

Figure 4-53.

Figure 4-54.

Figure 4-55.

Figure 4-56.

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Middleby Marshall PS540G installation manual IV. Maintenance Every 6 Months
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PS540G specifications

The Middleby Marshall PS540G is a cutting-edge conveyor oven designed to meet the diverse cooking needs of commercial kitchens and food service operations. Known for its efficiency and reliability, the PS540G combines advanced technology with innovative design to deliver consistent cooking results while optimizing energy use.

One of the standout features of the PS540G is its high-efficiency impingement cooking system. This technology utilizes powerful jets of hot air that quickly and evenly circulate around the food, ensuring thorough cooking while significantly reducing cooking times. This results in faster service and improved throughput, making it an excellent choice for busy restaurants, cafes, and catering operations.

The oven is equipped with a unique dual-fuel option, allowing operators to choose between natural gas or propane. This flexibility helps businesses adapt to their specific requirements and preferences, providing both cost and energy-saving benefits. Additionally, the PS540G is designed with a fully insulated structure, minimizing heat loss and further enhancing energy efficiency.

Another key characteristic of the Middleby Marshall PS540G is its user-friendly control interface. The digital controls offer precise temperature settings and adjustable conveyor speeds, allowing chefs to customize the cooking process for various food items. This versatility ensures optimal results, whether baking pizzas, roasting vegetables, or toasting sandwiches.

The spacious cooking chamber of the PS540G is designed with a wide conveyor belt that accommodates large batches of food, making it particularly suitable for high-volume establishments. The oven's compact footprint allows it to fit into tight kitchen spaces without sacrificing cooking capacity.

Safety is also a priority in the design of the PS540G. The oven features automatic shut-off mechanisms and cool-to-the-touch exterior surfaces, allowing for safer operations. Additionally, the durable construction with stainless steel components ensures longevity and ease of maintenance.

In conclusion, the Middleby Marshall PS540G is a state-of-the-art conveyor oven that offers outstanding performance for commercial kitchens. With its advanced impingement cooking technology, flexible dual-fuel options, user-friendly controls, and robust safety features, the PS540G stands out as an essential tool for any food service operation looking to enhance efficiency and food quality.
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