Weber Genesis Jr LP Owner Manual - Page 31

General Maintenance Main Burner Flame Pattern The Weber Genesis Gas Barbecue burners have been factory set for the correct air and gas mixture. The correct flame pattern is shown in Figure 9. Tips occasionally yellowish Burner inside cooking box 0 0 0 Light blue Figure 9 Dark blue If the flames do not appear to be uniform the length of the burner tube, follow the burner cleaning procedures. Main Burner Cleaning Procedure Brush the outside of the burner tubes and the burner port section with a brass wire brush. This is to make sure all the burner ports are fully open. CAUTION: Do not enlarge the burner ports when cleaning. Replacing Main Burners a) Weber Genesis 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. d) Unlatch the Spider Stopper Guards and remove. Figure 10. Figure 10 e) Remove the manifold bracket and unscrew the two thumb screws that hold the manifold to the cooking box. Pull the manifold and valve assembly out of the burners and carefully set it down. Figure 11. View from below and behind cooking box Thumb screws Figure 11 f) Slide the burner assembly out from under the guide screw in the corners of the cooking box. Figure 12. Guide screw Figure 12 31