Weber 89557 Gas Grill User Manual


 
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®
17
MAINTENANCE
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 (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.
ƽ CAUTION: Do not enlarge the burner ports when cleaning.
REPLACING MAIN BURNERS
1) Your Weber
®
gas barbecue must be OFF and cool.
2) Turn gas OFF at source.
3) To remove control panel:
(a) Take off the burner control knobs.
(b) Remove screw and washer from back of control panel with a Phillips screwdriver.
(c) Tilt the back edge of the control panel up. Push in on the front edge to release
locking tabs.
(d) Disconnect the igniter wires from the ignition module.
(e) Carefully pull control panel away from frame.
4) Remove the two threaded 7/16” hex screws (a) that hold the manifold support
bracket to the cooking box. Pull the manifold and valve assembly towards you, at
the same time lift the manifold assembly up to release the manifold brackets from
the frame assembly. (b).