How do I remove and replace the burners on a Ducane model 30400040 Home depot three burner grill? Fritz
Remove the 2 grill wire cooking racks by lifting them out of the top of the grill, next lift out to remove the 3 heat deflector panels which exposes the 3 burner tubes. Remove the 4 screws located on the outside flanks (2 on each side) of the 5-knob control panel assembly - then gently slide the knob control assembly outward and away from the grill just about an inch or two. You can now remove the old burner tubes and replace them with the new units. Then simply slide the control assembly back into the grill frame and replace/tighten the 4 screws. Voila`
My burners would not stay lit either. Compare the old burners to the new. Good chance the variable opening is larger than the original. This adjusts the mixture (fuel vs air). Loosen the screw & close the gap. On mine I had to close it as much as possible. Reinstall.
If the burner is only paritially lit or the flame runs up and down the tube on high but is good on low, you need to close the mixture even further.
To save time just work on one burner until it is adjusted properly. Then set the others to the same gap size.
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