How Do You Inspect Propane Barbecues For Blocked Tubes Or Burners?
Propane barbecues with clogged burners and blocked gas tubes not only reduce the efficiency of an outdoor grill, but they can also be dangerous. Clogged burner holes increase gas pressure to other holes inside the burner, causing it to wear out faster. Blocked gas tubes can lead to explosive pressures. Inspecting the main components on a propane barbecue to isolate a problem takes only a few minutes because of the distinctive visual characteristics of the gas when there is a blockage in the lines. Raise the grill lid, remove the cooking grates and take out the lava rocks or ceramic briquettes so the burners can be inspected. Ignite the grill and adjust the burner control knobs to high. Check the flames around the burners. Each individual flame should be deep blue. Yellow flames are a sign of a blockage or dirt catching fire inside the burner. Make a note of any gaps in flames around the burner, as this is a sign of a blocked port. Shut off the grill and wait for it to cool. Check the V
