MAINTENANCE21

8)Remove the two screws that secure the manifold to the cookbox. Pull manifold assembly out from the manifold frame.

9)Pull the selected burner(s) tube(s) from manifold frame and replace with a new burner tube.

10)To reinstall the manifold assembly, reverse steps 7 through 9.

CAUTION: The burner openings (A) must be positioned properly over the valve orifices (B).

Make sure the opposite end of the burner tubes (C) properly align into the slots on the backside of the cookbox. Check proper assembly before fastening manifold in place.

WARNING: After reinstalling the gas lines, they should be leak checked with a soap and water solution before using the grill. (See, “Check for gas leaks.”)

C

9

8

B

A

AnNNUAL MAINTENANCE

Inspection and cleaning of the Spider/Insect screens

To inspect the Spider/Insect screens, remove the control panel. If there is dust or dirt on the screens, remove the burners for cleaning the screens.

Brush the Spider/Insect screens lightly with a soft bristle brush (i.e. an old toothbrush).

CAUTION: Do not clean the Spider/Insect screens with hard or sharp tools. Do not dislodge the Spider/Insect screens or enlarge the screen openings.

Lightly tap the burner to get debris and dirt out of the burner tube. Once the Spider/ Insect screens and burners are clean replace the burners.

If the Spider/Insect screen becomes damaged or cannot be cleaned, please contact the Customer Service Representative in your area using the contact information on our web site. Log onto www.weber.com®.

MAIN BURNER FLAME PATTERN

The Weber® gas barbecue burners have been factory set for the correct air and gas mixture. The correct fl ame pattern is shown.

1)Burner tube

2)Tips occasionally fl icker yellow

3)Light blue

4)Dark blue

If the fl ames do not appear to be uniform throughout the burner tube, follow the burner cleaning procedures.

1

2

3

4

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Weber S-640 - NG manual MAINTENANCE21, Main Burner Flame Pattern, Inspection and cleaning of the Spider/Insect screens