Middleby Marshall P/N 60250 installation manual Maintenance Daily

Page 27

SECTION 4 - MAINTENANCE

WARNING

Before ANY cleaning or servicing of the oven, perform the following procedure:

1.Switch off the oven and allow it to cool. Do NOT service the oven while it is warm.

2.Turn off the electric supply circuit breaker(s) and disconnect the electric supply to the oven.

3.If it is necessary to move a gas oven for cleaning or servicing, disconnect the gas supply before moving the oven.

When all cleaning and servicing is complete:

1.If the oven was moved for servicing, return the oven to its original location.

2.If the restraint cable was disconnected to clean or service the oven, reconnect it at this time.

3.Reconnect the gas supply.

4.Reconnect the electrical supply.

5.Turn on the full-flow gas safety valve. Test the gas line connections for leaks using approved leak test substances or thick soap suds.

6.Turn on the electric supply circuit breaker(s).

7.Perform the normal startup procedure.

WARNING

Possibility of injury from moving parts and electrical shock exists in this oven. Switch off and lockout/tagout the electric supply BEFORE beginning to disassemble, clean, or service any oven. Never disassemble or clean an oven with the BLOWER ( ) switch or any other circuit of the oven switched on.

CAUTION

NEVER use a water hose or pressurized steam-cleaning equipment when cleaning this oven. To avoid saturating the oven insulation, DO NOT use excessive amounts of water. DO NOT use a caustic oven cleaner, which can damage the bake chamber surfaces.

NOTE

ANY replacement parts that require access to the interior of the oven may ONLY be replaced by a Middleby Marshall Autho- rized Service Agent. It is also strongly recommended that the 3-Month Maintenance and 6-Month Maintenance procedures in this section be performed ONLY by a Middleby Marshall Authorized Service Agent.

I. MAINTENANCE - DAILY

Figure 4-1. Cooling Vents and Grills

 

A.Check that the oven is cool and the power is disconnected, as described in the warning at the beginning of this Section.

B.Clean ALL of the cooling fan grills and vent openings with a stiff nylon brush. Refer to Figure 4-1 for the locations of the grills and vents.

C.Clean the outside of the oven with a soft cloth and mild detergent.

D.Check that ALL cooling fans are operating properly.

CAUTION: If a cooling fan is not operating correctly, it must be replaced IMMEDIATELY. Operating the oven without adequate cooling can seriously damage

the oven's internal components.

E.Clean the conveyor belts with a stiff nylon brush. This is more easily accomplished by allowing the conveyor to run while you stand at the exit end of the conveyor. Then, brush the crumbs off the conveyor as it moves.

F.Remove and clean the crumb trays. If necessary, refer to Figure 2-16 (in Section 2, Installation) when replacing the crumb trays into the oven.

G.Clean the window in place.

Vents on front panel

of oven

Fan grills (2) on rear

Vent (1) on rear

of oven and control

of machinery

compartment

compartment

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P/N 60250 September 28, 2012

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Contents Owners Operating and Installation Manual Retain this Manual for Future Reference Middleby Marshall Table of Contents Conveyor Drive Motor Moves the conveyor Oven UsesTriple Ove Oven SpecificationsInstallation PS740 24″ Oven Installation Required Kits and Equipment Parts List for Series PS740 GAS Oven Installation KITKit PS740 Oven Installation Required Kits and Equipment Item no QTY Description 66159 ″-16 × 1 HEX SCREW, SST 3B. Model PS740 32 Double Oven Option Base with Legs and Top Quad Outrigger Weldment A27727 83 -16x1-1/4 HEX Bolt A21924 Other ventilation concerns III. Ventilation SystemRequirements RecommendationsTop Panel and Base Pad Assembly IV. AssemblyStacking Restraint Cable InstallationDo not Overtighten the Conveyor Belt Conveyor InstallationReversing the Conveyor Belt Resetting Direction JumperSwitching Photo Detector Conveyor Belt ReversalVII. GAS Supply ConnectionPS740 Propane Conversion Adjusting the Maximum Pressure SettingConnection Gas ConversionAdjusting the Minimum Pressure Setting MaintenanceCheckout Location and Description of Controls II. Normal Operation STEP-BY-STEP Screen Alerts III. Quick Reference TroubleshootingMaintenance Daily MaintenanceTop Row Bottom Row II. Maintenance MonthlySplit Belt Disassembly and Cleaning III. Maintenance Every 3 MonthsBlower Belt IV. Maintenance Every 6 MonthsKEY Spare Parts Available separately. See Figure KEY Spare Parts PS740 GASWiring Diagram 60250 September 28 60250 September 28 60250 September 28 Installing or servicing this equipment

P/N 60250 specifications

The Middleby Marshall P/N 60250 represents a significant advancement in commercial cooking technology, specifically designed to meet the rigorous demands of the foodservice industry. This piece of equipment stands out due to its combination of speed, efficiency, and superior cooking performance, making it an invaluable asset for restaurants, pizzerias, and other food establishments.

One of the main features of the P/N 60250 is its high-speed cooking capability. Utilizing the patented "TurboChef" technology, this oven can cook food items much faster than traditional convection ovens, which significantly reduces wait times and improves service efficiency. The unique airflow design ensures that food is cooked evenly, resulting in high-quality products that meet the expectations of discerning customers.

The P/N 60250 also boasts an array of customizable cooking modes that enable chefs to adapt the oven to a variety of menu items. With settings for baking, broiling, and convection cooking, operators can utilize this versatile unit for diverse applications, from crispy pizzas to perfectly baked pastries. This flexibility allows establishments to expand their menu offerings while maintaining consistent food quality.

Another key characteristic of the Middleby Marshall P/N 60250 is its energy efficiency. This unit is engineered to consume less energy compared to standard ovens, which not only benefits the environment but also helps reduce operational costs for foodservice operators. The intelligent energy management systems integrated into the oven optimize performance while minimizing energy waste.

The ease of use is another hallmark of the P/N 60250. With a user-friendly interface and programmable controls, staff can quickly learn how to operate the oven, reducing the training time required. The intuitive design allows for seamless transitions between different cooking modes and settings, enhancing workflow in fast-paced kitchen environments.

Furthermore, the construction of the Middleby Marshall P/N 60250 is robust and durable, designed to withstand the rigors of a commercial kitchen. The stainless steel exterior not only provides an attractive finish but also ensures easy cleaning and maintenance, a crucial feature for busy establishments.

In summary, the Middleby Marshall P/N 60250 exemplifies the blend of advanced technology and practical features necessary in modern foodservice operations. Its high-speed cooking capabilities, customizable settings, energy efficiency, ease of use, and durable construction make it an essential tool for any kitchen looking to elevate their culinary offerings while maximizing productivity.
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