![Main Burner Flame Pattern](/images/new-backgrounds/55061/5506183x1.webp)
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 in Figure 10.
Burner inside |
|
cooking box | Tips occasionally yellowish |
e)Unlatch the Spider Stopper Guards and remove. Figure 13.
Flames
Light blue
Dark blue
Figure 13
Figure 10
If the flames do not appear to be uniform the length of the burner tube, follow the burner cleaning procedures.
Main Burner Cleaning Procedure
Turn off the gas supply. Remove the manifold. (See Section “Replacing the main burners”.)
Look inside each burner with a flashlight. Figure 11.
Figure 11
Clean the inside of the burners with a wire
(a straightened out coat hanger will work). Figure 12. 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 brass bristle brush to clean outside of burners. This is to make sure all the burner ports are fully open.
f)Use an adjustable wrench to remove the thermocouple from the FlameCheck valve.
g)Remove the manifold bracket and unscrew the two thumb screws that hold the manifold to the cooking box. Pull the manifold and valve assembly out of the burners and carefully set it down. Figure 14.
View from below and behind cooking box
Thumb screws
Figure 14
h)Slide the burner assembly out from under the guide screw and washer in the corners of the cooking box. Figure 15.
Guide screw
Figure 12
CAUTION: Do not enlarge the burner ports when cleaning.
Replacing Main Burners
a)Your Weber Gas Barbecue must be OFF and cool.
b)Turn gas OFF at source.
c)Remove control panel: take off the burner control knobs. Put your fingers under the edge of the control panel at the control panel
d)Use a 3/4 inch wrench to unscrew the flare nut on
the barbecue gas supply line from the manifold
fitting.42
Figure 15
) Lift and twist the burner assembly slightly, to separate the crossover tube from the burners. Figure 16. Remove the burners from the
cooking box. Crossover tube
Figure 16