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36
General Maintenance
Weber Spider Stopper Guards
Your Weber Gas Barbecue, as well as any outdoor gas
appliance, is a target for spiders and other insects. They
can nest in the venturi section of the burner tubes. This
blocks the normal gas flow, and can cause the gas to
flow back out of the air shutter. Figure 11. This could
result in a fire in and around the air shutters, under the
control panel, causing serious damage to your
barbecue.
The Weber Spider Stopper Guard is factory installed. It
fits tightly around the air shutter section of the burner
tube and the valve, thereby preventing spiders and other
insects access to the burner tubes through the air
shutter openings. Figure 12.
We recommend that you inspect the Weber Spider
Stopper Guards at least once a year. (See section
“Annual Maintenance”.) Also inspect and clean the
Spider Stopper Guards if any of the following
symptoms should ever occur.
1. The smell of gas in conjunction with the burner
flames appearing yellow and lazy.
2. Barbecue does not reach temperature.
3. Barbecue heats unevenly.
4. One or more of the burners do not ignite.
Figure 11
Figure 12
Venturi
Air shutter
Venturi fin
Weber Spider
Stopper Guard
ƽ DANGER ƽ
Failure to correct these symptoms
may result in a fire which can cause
serious bodily injury or death and cause
damage to property.
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 13.
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 14.
Clean the inside of the burners with a wire
(a straightened out coat hanger will work). Figure 15.
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.
ƽCAUTION: 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 push-in buttons
and pull toward you. Lift off the control panel.
Figure 13
Burner inside
cooking box
Flames
Tips occasionally yellowish
Light blue
Dark blue
Figure 14
Figure 15