Nexgrill 730-0830MG Operating Instruction page 13

3. Use a 6 mm socket and wrench or 6 mm nut driver to
remove the brass orifice from the end of gas valve.
Replace with the Natural gas orifice.
IMPORTANT: Check that the orifice is properly installed
inside of the burner opening.
4. Reinsert the burner and reattach using the cotter pin
previously removed. Repeat the procedure for each main
burner.
5. Position the igniters so they are 3.18 mm / 1/8 in. away
from each burner.
6. Open the manual shutoff valve in the gas supply. The
valve is open when the handle is parallel to the gas pipe.
7. Test all connections using an approved noncorrosive
leak- detection solution. Bubbles will show a leak.
Correct any leak found.
Adjust High/Low Flame Setting Screw
When converting from LP to Natural gas, you will need to
adjust the high flame setting screw for ideal burner flame
height.
1. Remove each control knob for the main burners and sear
burner.
2. Use a flat-blade screwdriver to turn the high flame set
screw clockwise approximate 90º.
3. Check that burner operates at the new high flame setting.
It may be necessary to adjust the screw setting slightly
more to get the ideal burner flame height.
4. Replace the control knob and turn off the burner.
5. Repeat steps 2 through 4 for each burner if needed.
6. Replace the flame tamers and grates after the burners
have been cooled.
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