Jenn-Air 740-0712 gas grill

User Manual - Page 15

For 740-0712.

PDF File Manual, 92 pages, Download pdf file

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3. Remove the infrared searing main burner from firebox.
4= Use a 6 mm socket and wrench or 6 mm nut driver to remove
the LP gas orifice on the end of valve. Replace with Natural
gas orifice.
\
A
A. Orifice
5. Reinstall infrared searing main burner. Make sure that the
igniter is out of the way to allow proper positioning of burner.
Use a Phillips screwdriver to attach the mounting screws.
6. Use a Phillips screwdriver to reattach the igniter and infrared
searing main burner plate.
7. Reinstall infrared searing main burner cover. Use a Phillips
screwdriver to attach mounting screws.
8. Open the manual shutoff valve in the gas supply line. The
valve is open when the handle is parallel to the gas pipe.
Record Conversion
The model/serial number plate is located on the right-hand side
of the grill. With a permanent marker, check the box next to
"Natural gas" and mark through "LP."
In the last page of the Use and Care Guide, write "Converted to
Natural Gas." Also record the conversion date and the
technician/company that performed the conversion.
NOTE: Place the LP gas parts in plastic parts bag for future use
and keep with package containing the literature.
The burners are tested and factory-set for most efficient
operation. However, variations in gas supply and other conditions
may make minor adjustments to air shutter or low flame setting
necessary.
It is recommended that a qualified person make burner
adjustments.
NOTE: The rotisserie burner cannot be adjusted.
Checking and adjusting the grill burner flames requires removing
the grates and flame tamers.
Burner Flame Characteristics
The flames of the grill burners and side burners (on some models)
should be blue and stable with no excessive noise or lifting (LP
gas flames will have a slightly yellow tip). A yellow flame indicates
not enough air. If flame is noisy or lifts away from the burner, there
is too much air. Some yellow tips on flames when the burner is
set to HI setting are acceptable as long as no carbon or soot
deposits appear.
Check that burners are not blocked by dirt, debris, insect nests,
etc., and clean as necessary. If they are clean, adjust air shutters
as needed.
IMPORTANT: Before adjusting air shutters, let burners cool
completely.
To Adjust:
1. Light grill using information in the "Outdoor Grill Use" section.
2. Observe flame to determine which burners need adjustment
and how the flame is acting.
3. Turn off the valve and wait until grill and burners cool
completely.
4. Remove grill grates and flame tamers.
A. Closed valve
B. Open valve
9. Test all connections by brushing on an approved
noncorrosive leak-detection solution. Bubbles will show a
leak. Correct any leak found.
10. The igniter battery is not factory installed. A "AA" size alkaline
battery is located in the accessory box on the grill grate.
Install battery at this time following the instructions in
"Replacing the Igniter Battery" section.
11. Go to "Check and Adjust the Burners" section.
15
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