Jenn-Air 720-0720 Installation Instructions And Use & Care Manual page 16

2. Using a Phillips screwdriver, remove the 4 screws at the back
of grill from inside the grill (2 screws on each side of the
rotisserie infrared burner).
3. Remove the access cover at the back of the grill hood by
removing the 4 screws (2 screws on each side of the rotisserie
infrared burner).
A
A. Access cover
4. Using a Phillips screwdriver, remove the 2 screws holding the
spider guard to the burner.
A. 2 screws
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5. Use 24 mm wrench to remove the orifice nut.
A
A. Orifice nut
6. Take out the orifice support, and then use a 6 mm socket and
wrench or 6 mm nut driver to remove the LP orifice at the end
of the supply pipe. Replace with Natural gas orifice.
B
A. Orifice support
B. Orifice
IMPORTANT: Check that the orifice is properly installed inside
of the supply pipe.
7. Reinstall the spider guard, access cover, and wind baffle.
Change the Sear Burner Orifices
1. Remove the screw securing the igniter and the 2 searing side
burner screws.
A