18 MAINTENANCE
MAIN BURNER FLAME PATTERN
The Weber® gas barbecue burners have been factory set for the correct air and gas mixture. The correct flame pattern is shown.
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
CAUTION: Do not enlarge the burner ports when cleaning.
(1)
(2)
(3)
(4)
REPLACING MAIN BURNERS
1)Your Weber® gas barbecue must be OFF and cool.
2)Turn gas OFF at source.
3)To remove control panel: take off the burner control knobs. Remove the screws holding the control panel in place. Lift off the control panel.
4)Unhook the manifold bracket(1) and unscrew the two wing nuts(2) that hold the manifold to the cooking box. Pull the manifold and valve assembly out of the burners and carefully set it down.
(1)
(2)