Vulcan Heavy Duty Gas Griddle 960RX

Observe temperatures at center points of cooking zones using Surface Probe

Set thermostats to 350°F and allow to stabilize

Record temperature tester readouts for each zone for 3 cycles

Calculate total average temperature for each zone

Is the temperature within 350°F ±15°F?

Loosen knob set screw without turning the knob

Adjust temperature dial to match griddle plate temperature reading

Tighten temperature dial screws and knob set screws

Repeat Steps 3 thru 8 for each zone

Ensure the burner is turned off and cool

Gather necessary tools (screwdriver)

Loosen the screw on the venturi

Adjust the air shutter to eliminate yellow tips on the burner flames

Lock the air shutter in place by tightening the screw

Turn on the burner and observe the flame

Ensure the regulator is installed close to the griddle on the gas supply line

Verify the arrow on the underside of the regulator is oriented in the direction of gas flow to the griddle

Ensure the regulator is positioned with the vent plug and adjustment screw upright

Check that the vent plug is not clogged by grease and debris

Set the gas pressure for 4” water column (W.C.) for natural gas while all burners are on

Set the gas pressure for 10” W.C. for propane gas while all burners are on

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

Turn the gas supply off at a manual shutoff valve

Remove the pressure tap plug and attach manometer

Turn all thermostats on to the maximum setting so that all burners are on

Turn all the equipment on the same supply line on

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

Shut off the gas before servicing the unit and follow lockout / tagout procedures

Check all gas joints disturbed during servicing for leaks using a soap and water solution

Remove screws securing thermostat mounting bracket to frame

Pull capillary tube out from underneath griddle plate

Transfer fittings from old thermostat to new thermostat using thread sealant