Main Burner Flame Pattern; Main Burner Cleaning Procedure - Weber Vieluxe 27 Built-In Grill Owner's Manual

GENERAL MAINTENANCE

Main burner flame pattern

The Vieluxe ® gas grill burners have been factory set for the correct air
and gas mixture. The correct flame pattern is shown at right.
1) Burner tube
2) Tips occasionally flicker yellow
3) Light blue
4) Dark blue
If the flames do not appear to be uniform throughout the burner tube,
follow the burner cleaning procedures.

Main burner cleaning procedure

Turn off the gas supply. Remove the manifold. Look inside each burner with a flashlight.
Clean the inside of the burners with a wire (a straightened-out coat hanger will work). Check and clean the air
shutter opening at the ends of the burners. Check and clean the valve orifices at the base of the valves. Use a steel
bristle brush to clean outside of burners. This is to make sure all the burner ports are fully open.
CAUTION: Do not enlarge the burner ports when cleaning.
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