Vulcan-Hart 48RRG Brass Pilot Valve Pilot Troubleshooting, Symptom Pilot will not Light

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PILOT

BRASS PILOT

VALVE

PILOT TROUBLESHOOTING

The RRG Series Griddles utilize a solenoid valve with a brass pilot valve to control gas flow to pilot burners. One to three pilot flames can be fed by one valve – one leg of which may be branched.

SYMPTOM – PILOT WILL NOT LIGHT

1.Check pilot adjustment at solenoid valve

2.Check that power switch is on

3.Check that pilot solenoid valve is working

4.Check that safety ignition module and power switch are working

5.Check gas pressure

6.Check for air in the line

PILOT ASSEMBLY REMOVAL

Disconnect the electrical power and follow lockout / tagout procedures Shut off gas supply

1.Remove control panel. Reaching underneath the front of the unit, remove the pilot tube fitting and disengage the pilot tube from the pilot.

2.Reaching underneath the front of the unit, remove the pilot bracket retaining screw(#2 Phillips) and remove the entire assembly out through the pilot access cutout and out from under the unit.

3.Disconnect the electrode wire from the from the safety ignition module.

4.Remove the pilot from the bracket.

5.Reverse procedure to install

6.Verify gas pressure and check for proper operation

BRACKET RETAINING SCREW

PILOT ASSEMBLY

ELECTRODE

PILOT

ACCESS

CUTOUT

All gas joints disturbed during servicing must be checked for leaks. Check with a soap and water solution. Do not use an open flame.

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Contents Heavy Duty Gas Griddles 48RRGTable of Contents GAS Pressure MEASUREMENT…………………………………...17 Burner TROUBLESHOOTING………………………………………Regulator TROUBLESHOOTING………………………………… General Installation Operation Cleaning LubricationSpecifications Introduction36RRG Configuration Shown Component LocationExterior Panels Symptom Burner will not Come on Wiring ConfigurationThermostat Troubleshooting ThermostatTemperature Probe Installation Temperature ProbeTemperature Probe Removal Thermostat RemovalAdjustments CalibrationSymptom no Power Being Supplied to the Unit Power ON/OFF SwitchPower Switch Troubleshooting Power Switch Removal Indicator Light Troubleshooting Indicator Light Safety Ignition Module Indicator Light RemovalSymptom Electrode Continually Sparks After Pilot is LIT Safety Ignition Module TroubleshootingSymptom no Spark Between Pilot Head and Electrode Solenoid ValvesInput GAS Line Back Center Retaining Screw Solenoid Valve TroubleshootingSymptom no GAS Flow to Burner Output GAS Lines Double Solenoid ValvePilot Assembly Removal Brass Pilot Valve Pilot TroubleshootingSymptom Pilot will not Light PilotBurner Removal Burner TroubleshootingBurner Burner Adjustment GAS Regulator GAS Pressure MeasurmentSequence of Operation Pressure TAP AT #1 BurnerWiring Diagrams Wiring Diagram 36-INCH Griddle Wiring Diagram 48-INCH Griddle Wiring Diagram 60-INCH Griddle