KitchenAid 1900645 Installation Instructions And Use & Care Manual page 29

5. Use a 6 mm socket wrench or 6 mm nut driver to remove
the orifice and replace with the natural gas orifice.
IMPORTANT: Check that the NG orifice is properly
installed inside of the valve.
6. Reinstall the sear burner. Make sure the sear burner tube
is inserted into the gas valve, as shown.
7. Reinstall the two screws to the rear of the searing burner.
Reinstall the igniter pin.
Change the Side Burner Orifice
1. Remove the two screws from the bracket and remove the
bracket.
2. Use a 6 mm socket wrench or 6 mm nut driver to remove
the orifice and replace with the natural gas orifice.
IMPORTANT: Check that the NG orifice is properly
installed inside of the valve.
3. Reinstall the two screws and the bracket.
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