Vulcan-Hart C24GA6, C24GA10, ML-136021, ML-136022 service manual Pilot Burner Adjustment

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C24GA SERIES CONVECTION STEAMERS - SERVICE PROCEDURES AND ADJUSTMENTS

The screw head should not extend out past the screw housing.

1)If gas valve energizes, proceed to step 5.

2)If gas valve does not energize, check the following:

a.Remove the lead wires from the switch and verify with a meter that the switch contacts are closing with the blower on. If necessary, continue to turn the adjustment screw several turns counter- clockwise to close the switch contacts.

b.If the switch contacts are not closing, turn the power switch off, remove the pressure switch from the manifold and check the air orifice for debris build up and clogging. If debris is found, clean it away from the orifice.

c.Replace the orifice, pressure switch and connect the lead wires to the switch. Turn the power switch on and adjust the pressure switch again as outlined in steps 4A and 4B. Verify the pilot gas valve is energizing.

d.If the pilot gas valve is not energizing and power is available to the pressure switch, turn the power switch off. Replace with a new air pressure switch and adjust the switch as outlined from step 3 thru the end of this procedure.

5.Restart the ignition sequence by turning the power switch off, waiting 3 seconds, then back on.

A.Listen or use a meter for gas pilot ignition to verify operation.

1)If gas pilot ignition is successful, listen for main gas burner ignition to verify operation.

B.Verify the pilot and main burner both ignite in succession.

1)Restart the ignition sequence by rapidly turning the power switch off then back on. A rapid switching is needed to keep the generator from starting automatic blowdown.

C.Listen for main gas burner ignition to verify operation.

PILOT BURNER ADJUSTMENT

1.Shut the gas off at combination gas valve.

2.Remove cover from manifold pressure tap.

3.Install a barb fitting and connect manometer.

4.Turn on the steamer, let generator fill.

5.Verify air pressure setting is between 0.35" and 0.4" W.C.

6.Verify air pressure switch adjustment.

7.Turn off the steamer.

8.Remove pilot assembly from burner.

9.Remove cap from pilot adjustment screw.

10.Using cabinet tip screwdriver turn pilot adjustment screw all the way in.

11.Back out pilot adjustment screw 1 (one) turn counter clockwise.

12.Remove the wire from main valve (wire # 35).

13.Turn on the steamer, let generator fill.

14.Turn on combination gas valve.

15.Observe pilot flame; adjust pilot flame length using pilot adjustment screw. Set flame to approx. 2" long (Pilot flame should be a nice blue flame; with slight touch of yellow permissible at tip.)

F35425 (February 2006)

 

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Contents Convection SteamersTable of Contents Low Level Cut-Off & Differential Control Introduction Installation Operation Cleaning SpecificationsGeneral ToolsRemoval and Replacement of Parts Covers and PanelsCabinet Base Left Side Panel Door AssemblyCooking Compartment Door Cabinet Base Rear PanelDoor Gasket Door HandleDoor Latch Assembly Compartment ControlsGAS Combination Control Valve Generator AssemblyMain Burner Covers and Panels Fill and Cold Water Solenoid Valves PILOT/SPARK Probe Flame Sensor Service Procedures and Adjustments Blower AIR Pressure Adjustment AIR Pressure SwitchPilot Burner Adjustment Operating Pressure Switch Thumb Wheel Adjustment Inlet Water/Steam Strainer Automatic Ignition Systems Spark Ignition Control TestManifold Pressure Adjustment Ignition TestControls Latch AdjustmentCooking Compartment Items Required not provided Striker AdjustmentDeliming the Generator C24GA Automatic Drain US GAL Capacity Steam GeneratorGeneral Cooking Cycle TestProbe Inspection Sequence of Operation Electrical OperationWater Level Controls Low Level Cut-Off and Differential ControlC24GA Series Convection Steamers Electrical Operation Compartment control Units after Dec Schematic Diagrams Generator Schematic DiagramSchematic Diagram Compartment Controls Standard Schematic Diagram Compartment Controls Constant Steam Component Location Cabinet Base Generator Component Function Cabinet Base Generator Drain Valve Timer Blower Air Pressure SwitchSuper Heater Assembly Hold ThermostatComponent Location Cooking Compartment Component Function Cooking Compartment Troubleshooting Troubleshooting Sequence of Operation Step Function DescriptionTroubleshooting Chart Symptom Possible CausesSymptom Possible Causes Symptom Possible Causes Condensed Spare Parts List F35425 February

C24GA6 ML-136021, C24GA10 ML-136022, C24GA6, C24GA10, ML-136021, ML-136022 specifications

The Vulcan-Hart C24GA series is renowned in the commercial kitchen industry for its high-quality performance and efficient cooking capabilities. This series includes models C24GA6 and C24GA10, which are designed with versatility and reliability at their core. These models cater to a wide range of culinary demands, ensuring that chefs can prepare a variety of dishes with ease.

The C24GA6 features six powerful burners, providing ample cooking space and heat output for busy kitchens. Its robust construction ensures durability, while an easy-to-clean stainless steel exterior makes maintenance hassle-free. The burners are designed for quick ignition, and the adjustable flame control allows for precise temperature adjustments, ideal for simmering sauces or achieving the perfect sear.

On the other hand, the C24GA10 model is equipped with ten burners, making it suitable for larger establishments that require additional cooking power. Similar to the C24GA6, it incorporates seamless stainless steel components and a design that meets the rigorous demands of a professional kitchen. Both models boast a high BTU output, ensuring that meals are prepared quickly and efficiently, which is essential during peak hours.

The C24GA series also integrates advanced technologies that enhance its functionality. The burners utilize a standing pilot ignition system, ensuring a reliable start-up every time. This technology minimizes downtime and allows chefs to focus on cooking rather than troubleshooting equipment.

In addition to the C24GA series, Vulcan-Hart offers the ML-136021 and ML-136022 models, which complement the cooking arsenal in any kitchen. These models are expertly designed to provide the same level of reliability and performance. They follow the same principles of durability and ease of maintenance that Vulcan-Hart is known for.

The ML-136021 and ML-136022 models feature streamlined designs that fit seamlessly into any workspace. With efficient heat distribution and user-friendly controls, these models are perfect for both experienced chefs and culinary students alike.

Together, the Vulcan-Hart C24GA6, C24GA10, ML-136021, and ML-136022 models represent a comprehensive cooking solution that meets the varied needs of commercial kitchens. With their powerful burners, durable construction, and advanced technologies, these units ensure top-notch performance and efficiency for all cooking requirements.
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