Vulcan-Hart SG4D service manual SG4C/SG6C Temperature Probe Shown

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TEMPERATURE PROBE

Disconnect the electrical power to the machine and follow lockout / tagout procedures.

1.Remove the right-side panel as outlined under Covers and Panels.

2.Disconnect probe leads from the solid state temperature controller on the SG4D/SG6D or the computer controller on the SG4C/SG6C.

3.Remove the racks and right rack support.

4.Remove the upper and lower door seals.

5.Loosen the three screws securing the right side air scoop to the rear heat exchanger. Rotate the air scoop off of the heat exchanger tube into the oven cavity.

6.Remove the screws that secure the perforated side panel and lift out.

7. Remove the probe from the bracket(s).

SG4C/SG6C Temperature Probe Shown

8.Push the probe through the oven wall and into the control panel area.

9.Reverse the procedure to install the new probe.

10.Calibration:

A.SG4D/SG6D: Adjust the temperature controller as outlined under Solid State Control Calibration.

B.SG4C/SG6C: Adjust the computer controller as outlined under Computer Controller and/or Computer Controller Calibration in Service Procedures and Adjustments.

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Contents SG4 & SG6 Series Full Size GAS Convection Ovens VULCAN-HART Table of Contents Table of Contents General Removal and Replacement of Parts Component LocationBottom Front Cover Covers and PanelsTop Front Cover Right Side PanelControl Panel Components SG4D/SG6D SG4C/SG6CComponent Panel Components Temperature Probe SG4C/SG6C Temperature Probe ShownGAS Burners GAS Orifice GAS Solenoid ValveIgnition Control Module Spark Igniter and Flame SenseBlower and Motor Oven Doors and Bearings Door Catch Roller Assembly Independent Doors Roller Latch Assembly Independent DoorsDoor Window Door Switch High Limit Thermostat Lamp AssemblyInterior Lights Fan Installation Tips Cooling FANSolid State Temperature Controller Test SG4D/SG6D Service Procedures and AdjustmentsTest Steps Solid State Temperature Control Calibration SG4D/SG6D Calibration StepsTemperature Probe Test SG4D/SG6D Temp F OhmsComputer Controller SG4C/SG6C Operation Setup ModeProbe Test Computer Control Calibration SG4C/SG6C Solid State Relay TestGAS Pressure Adjustment Door Switch Adjustment Verification of Spark AT IgnitorBlower Adjustment Flame Current MeasurementDoor Adjustment Door Strike Adjustment Independent DoorsDoor Catch Roller Adjustment Electrical Operation Component DescriptionFront View Plug, Socket and Components SG4D/SG6DFront View Control Panel Component PanelPlug, Socket and Components SG4C/SG6C Sequence of Operations SG4D/SG6D with Solid State Temperature ControllerCook Cycle Timer Cycle Cool Down Cycle Solid State Temperature ControllerSG4C/SG6C with Computer Controller Normal Cook CyclePage Temperature and Time Cycle Normal Cooking Roast and Hold CycleWiring Diagrams 426574 Rev. C Schematics ThermostatGAS Convection Oven SG4 with Watlow 734 Control Troubleshooting Symptoms Possible CausesComputer Control Models only Symptom Possible Causes Symptoms Possible CausesError Codes Probable Cause Solution Problem