Nexgrill DELUXE 730-0958AE Operating Instruction page 13

Change Main Burner Valve Orifices
1. Remove the grates and flame tamers.
2. Remove the cotter clip that hold the burner in place.
Remove the burner from the grill by lifting the burner out.
3. Use a 6 mm socket and wrench or 6 mm nut driver to
remove the brass orifice from the end of the 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.
4. Position the igniters so they are 1/8" / 3.2 mm away from
each burner.
Change the Sear Burner Orifice
1. Use a screwdriver to remove screw from the ignitor pin.
Remove two screws on the rear of the searing burner.
Lift the burner starting from the back.
2. Use 6 mm socket wrench or 6 mm nut driver to remove
the orifice. Replace with the Natural gas orifice.
IMPORTANT: Check that the orifice is properly installed
inside of the valve.
3. Reinstall the sear burner. Tighten the two screws on the
rear of the sear burner.
4. Reinstall the ignitor pin.
5. Position the igniter so that it is 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.
8. For normal operating sequence of the ignition system,
see "Lighting Instructions" on page 9.
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