Main Burner Flame Pattern; Main Burner Cleaning Procedure; Replacing The Main Burners - Weber Platinum I 3400 LP Operating Manual

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 in Figure 7.
Burner inside
cooking box
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.
Look inside each burner with a flashlight. Figure 8.
Clean the inside of the burners with a wire (a straightened
out coat hanger will work). Figure 9. 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.
CAUTION: Do not enlarge the burner ports when
cleaning.
Tips occasionally yellowish
Light blue
Dark blue
Figure 7
Figure 8
Figure 9
Replacing Main Burners
a) Your Weber Gas Barbecue must be OFF and cool.
b) Turn gas OFF at source.
c) To remove control panel, see the Step-By-Step Guide.
d) Unlatch the Spider Stopper Guards and remove.
Figure 10.
e) If your barbecue has a side burner, disconnect the side
burner hose.
f) Remove the manifold bracket and unscrew the two wing
nuts that hold the manifold to the cooking box. Pull the
manifold and valve assembly out of the burners and
carefully set it down. Figure 11.
g) Slide the burner assembly out from under the guide screw
and washer in the corners of the cooking box. Figure 12.
12
Figure 10
View from behind
cooking box
Wing nuts
Figure 11
Guide screw
Figure 12