Vulcan-Hart ML-52948, ML-52953, ML-52947, ML-52950, ML-52952 Oven Burner Nozzle and Orifice Check

Page 35

OVEN BURNER NOZZLE AND ORIFICE CHECK, REPLACEMENT

OVEN BURNER NOZZLE AND ORIFICE CHECK

If burner operation seems poor and all other systems have been verified, remove burner nozzle and orifice to check for blockage or damage. Blockages can often be cleaned using water pressure and a mild soap solution or by running a correct size drill tap through the nozzle opening.

OVEN BURNER NOZZLE AND ORIFICE REPLACEMENT

TOOLS REQUIRED: 1/2" open end wrench.

1.Disconnect unit from gas and allow unit to cool.

2.Follow steps listed under the replacement of the safety valve in order to access the oven burner nozzle.

3.Remove burner nozzle.

4.Remove orifice spud.

5.Check for blockage or damages (Fig. 44).

NOTE: If blockage is apparent, the obstruction can either be cleaned or the entire nozzle assembly replaced. Verify also that the proper nozzle orifice size is being used, and verify BTU rating with flow meter. (Flow meter kits are available from Vulcan-Hart Service Parts Depots under Part No. 495.)

FOR PROPER USAGE OF FLOW METER, REFER TO THE MANUFACTURER’S INSTRUCTIONS PROVIDED IN THE FLOW METER KIT.

Fig. 44

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Contents Series and VG Series Qualified AND/OR Authorized Operating Personnel Qualified Installation PersonnelQualified Service Personnel For Your Safety Important for Your SafetyGAS Restaurant Range Models GAS Restaurant Range ModelsThermostat Adjustments Service Notations Dedicated Technical Service HOT LineChecks Servicing Simple Checks and AdjustmentsAdjustments Units Mounted on CastersOven Door Turnbuckle Servicing Simple Checks and Adjustments2A L and 48L Oven Door J-Bolt Assembly Pilot Flame Height Air Shutter Adjustment GAS Connections GAS Connections Testing the GAS Supply SystemComplete Shutdown Pilot Lighting and AdjustmentsHOT TOP and Griddle TOP Pilot Burner Adjustments HOT TOP and Griddle TOP BurnersOpen TOP Burners Pilot Lighting and AdjustmentsOpen TOP Burner Adjustments Standard Oven BROILER/GRIDDLE AdjustmentsBROILER/GRIDDLE Convection Snorkel Oven 90 Series Only Oven Burner Adjustments Bypass Adjustment Thermostat AdjustmentsShown with old style burner knobs Thermostat AdjustmentsTemperature Calibration Thermostat Adjustments Thermostat Adjustments Dial Shaft Regulator Check Regulator CHECK, ADJUSTMENT, InstallationRegulator Adjustment Regulator CHECK, ADJUSTMENT, InstallationRegulator Installation Standard Oven and Griddle Thermostat Checks and Calibration Standard Oven & Griddle Thermostat ReplacementStandard Oven and Griddle Thermostat Replacement Standard Oven & Griddle Thermostat ReplacementStandard Oven & Griddle Convection Oven Thermostat Replacement Standard Oven Pilot Safety Valve Check Standard Oven Pilot Safety Valve CHECK, ReplacementSafety Valve Replacement Procedures Standard Oven Pilot Safety Valve CHECK, ReplacementStandard Oven Pilot Safety Valve CHECK, Replacement Oven Pilot Check Oven Pilot CHECK, ReplacementOven Pilot Replacement Thermocouple Check Thermocouple CHECK, ReplacementThermocouple Replacement Oven Burner Nozzle and Orifice Check Oven Burner Nozzle and Orifice ReplacementOven Burner Check Oven Burner CHECK, ReplacementOven Burner Replacement TOP Section Pilot Check TOP Section Pilot CHECK, ReplacementPilot Adjustment Valve Replacement TOP Section Pilot ReplacementConvection Oven Motor and Door Switch CHECK, Replacement TOP Section Burner Valve and Nozzle CHECK, ReplacementConvection Oven Motor and Door Switch CHECK, Replacement Condition Possible ProblemMicro Door Switch Replacement Convection Oven Motor Replacement 90 Series Only Convection Oven Motor and Door Switch CHECK, Replacement Convection Oven Motor and Door Switch CHECK, Replacement Convection Oven Motor and Door Switch CHECK, Replacement Solenoid Check Centrifugal Switch Check Removal of Convection Oven Solenoid 90 Series Only Centrifugal Switch CheckRemoval of Convection Oven Solenoid Removal of Convection Oven Solenoid Removal of Convection Oven Solenoid Form 31056 Rev. a

ML-114555, ML-114554, ML-114556, ML-114553, ML-114557 specifications

Vulcan-Hart is a renowned name in the commercial kitchen equipment industry, known for its commitment to quality, performance, and innovation. Among its impressive lineup, the Vulcan-Hart ML-52953, ML-52947, ML-52950, ML-52952, and ML-52951 models stand out as exceptional offerings tailored for a variety of foodservice applications.

The ML-52953 is designed for high-capacity kitchens that demand efficiency and speed. This model features a powerful gas burner that delivers prompt heating, ensuring that food can be cooked quickly and consistently. Its durable stainless-steel construction stands up to the rigors of daily use, while the easy-to-clean surfaces make maintenance hassle-free. Additionally, the ML-52953 incorporates advanced safety features, including flame failure protection that enhances operator safety.

On the other hand, the ML-52947 model caters to establishments that require versatility in cooking. It comes equipped with multiple cooking options, allowing chefs to sear, sauté, or simmer with ease. This model’s precise temperature control mechanism ensures optimal cooking conditions, thereby enhancing food quality and flavor. The energy-efficient design of the ML-52947 not only helps reduce operational costs but also contributes to a more sustainable kitchen.

The ML-52950 offers a perfect blend of performance and style. With its sleek design, this model is an attractive addition to any kitchen. Its high-performance heating elements quickly reach desired temperatures, enabling rapid cooking times. Chefs will appreciate the intuitive controls and customizable settings, allowing for tailored cooking experiences. This model is particularly suitable for establishments focusing on presentation without compromising on speed.

The ML-52952 is another impressive model that highlights Vulcan-Hart's commitment to user-friendly design. It features an advanced digital display for precise monitoring and control of cooking parameters. This ensures consistency in food preparation, vital for maintaining quality standards in service-oriented businesses. The ML-52952 is also designed with ergonomic handles and controls, promoting comfort and ease of use for kitchen staff.

Lastly, the ML-52951 is celebrated for its robust build quality and supreme durability. This model is engineered to withstand heavy use, making it ideal for busy kitchens. Its versatility allows for various cooking techniques, ensuring that chefs can execute a wide range of menus efficiently. The ML-52951 is part of a lineup that embodies Vulcan-Hart’s dedication to enhancing culinary operations through innovative design and technology.

In summary, the Vulcan-Hart ML-52953, ML-52947, ML-52950, ML-52952, and ML-52951 models collectively showcase the brand's expertise in crafting reliable, efficient, and versatile cooking solutions for commercial kitchens. Each model brings unique features that cater to diverse culinary needs, setting the stage for exceptional food preparation experiences.
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