Maintenance; Weber Spider/Insect Screens - Weber Summit S-670 Owner's Manual

WEBER e SPIDER/INSECT SCREENS
Your Webe¢ _ gas barbecue, as well as any outdoor gas appliance, is a target tot
spiders and other insecls. They can nest in the venturi section (1) of the burner
tubes. This blocks the normal gas flow, and can cause the gas to flow back out of the
combustion air opening. This could result in a fire in and around the combustion air
openings, under the control panel, causing serious damage to your barbecue.
The burner tube combustion air opening is fitted with a stainless steel screen (2) to
prevent spiders and other insects access to the burner tubes through the combustion
air openings.
We recommend that you inspect the Spider/Insect screens at least once a year.
(See Section "Annual Maintenance".) Also inspect and clean the the Spider/Insect
screens if any of the following symptoms should ever occur:
1 ) The smell ot 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.
DANGER
Failure to correct the above mentioned symptoms may result
in a fire, which can cause serious bodily injury or death, and
cause damage to property.
MAIN BURNER CLEANING PROCEDURE
Turn off the gas supply.
Remove the manifold (See "Replace Main Burners").
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.
A', CAUTION: Do not
enlarge
the burner
ports when cleaning.