Flame Characteristics - Nexgrill 720-0697E Mode D'emploi

3. Check and clean burners / venture tubes for insects
and insect nests. A clogged tube can lead to a fire beneath,
and behind the main control panel.
To reinstall the main burners:
1. Insert the burner over the main burner gas valve (part# 15 on Page 28.
2. Make sure the orifice stud (A) is inside the burner venture (B) as shown in Fig. 28.
3. Align the burner screw hole with the firebox hole, insert screw and tighten.
CAUTION
1. Keep outdoor cooking gas appliance area clear and free from combustible materials, gasoline and
other flammable vapors and liquids.
2. Do not obstruct the flow of combustible and ventilation air.
3. Keep the ventilation opening(s) of the enclosure free and clear from debris.

Flame Characteristics

Check for proper burner flame characteristics. Burner flames should be blue and stable with no yellow tips,
excessive noise, or lifting as shown in Fig. 29. The following steps should be followed for correcting the
flame characteristics:
1. Turn the control knobs and Liquid Propane Cylinder valves "OFF."
2. Allow the grill and burners to cool.
3. If the flame is yellow (not enough air), turn the adjustment screw found at the front of the burner
counterclockwise.
4. If the flame is noisy or lifts away from the burner (too much air), turn the adjustment screw
clockwise.
5. If these adjustments do not correct the problem, contact customer service at 1-800-913-8999 in
USA.
Fig. 29
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