Weber 89557 manual MAINTENANCE17, Burner Flame Pattern, Main Burner Cleaning Procedure

MAINTENANCE17

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.

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).

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