KitchenAid 860-0012 (LP) Assembly Instructions Manual page 21

Change the Sear Burner orifice
1. Remove the screw securing the igniter and the 2 searing
burner screws.
2. Locate the Liquid propane orifice at the end of the valve
and use a 6 mm socket wrench or a 6 mm nut driver to
remove. Replace with natural gas orifice.
IMPORTANT: Check that the orifice is properly installed
inside of the valve. Open the right door, check that the orifice
is properly installed inside of the burner venturi from the right
side door by using a flashlight.
3. Use Phillips screwdriver to reattach the igniter and
searing side burner plate.
4. Open the manual shutoff valve in the gas supply
line. The valve is open when the handle is parallel to the
gas pipe.
A. Closed valve
B. Open valve
5. Test all connections using an approved noncorrosive
leak-detection solution. Bubbles will show a leak. Correct
any leak found.
Adjust High 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 side
burner
2. Use a flat-blade screwdriver to turn the high flame
setscrew clockwise approximate 90º.
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