Adjust Kettle Pilot Burner Flame; Adjust Kettle Main Burners Flame - Graco ThermoLazer 258699 Repair Manual

Adjust Kettle Pilot Burner Flame

1. Ignite kettle gas pilot burner.
2. Record pilot burner flame height and color. Flame
should be 2 to 3 in. (5 to 7 cm) high and blue-orange
in color.
3. Remove flame adjusting screw cap.
4. Turn adjusting screw clockwise to decrease flame
height (counterclockwise to increase flame height).
5. Install flame adjusting screw cap.

Adjust Kettle Main Burners Flame

1. Ignite kettle gas pilot burner.
2. Turn kettle gas safety valve (CC) to ON.
3. Turn kettle temperature control knob (AA) to 250° F
(121° C).
4. Record pilot burner flame height and color. Flame
should be 1 to 2 in. (3 to 5 cm) high and blue-orange
in color.
5. Record burner venturi gap. Gap should be .17 to .20
in. (4 to 5 mm).
6. Loosen air shutter jam nut and adjust air shutter to
obtain correct gap.
7. Lock air shutter jam nut. Use thread sealant for a
more secure locking.
313879B
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