16Low Heat Burner AdjustmentTo adjust the burner low setting:• Make sure the grill is cool.• Remove grates and flame tamers so thatyou can see the flames while adjustingthe burners.• Light the burner and set it to “LOW”• Pull off the control knob.• While holding the valve shaft with pliers,insert a small screwdriver into the shaftand, while watching the flame, adjust itto a minimum stable setting. (Figure 12)Burner Flame Air Flow AdjustmentThe amount of air that enters a burner is controlled by the air shutter.Each grill burner is tested and adjusted atthe factory prior to shipment. However,fluctuations in gas pressure, gas conversionand even in the quality of the gas itself maymake it necessary to adjust the burner.The flames of the main burners should bevisually checked. Flames should be blueand stable with slight yellow tips. The dark-blue should be about 3/8 inch high with atotal flame height of about 1/2 inchesThe flames should burn quietly (no “torch” sounds) and they should not “lift”up from the burner.If your flames do not match the above description you need to make surethat the air shutter and burner ports are free and clear of dirt, debris orspider webs. If they are clear and the flame still does not match the desireddescription above, then you will need to adjust the air shutter.The air shutter is locked in place by a screw which must be loosened beforeadjusting. Once adjusted retighten the screw.Figure 12Figure 13