Vulcan-Hart F-37418 service manual If the flame is lifting off the burner, Top Burner Adjustment

Models: F-37418

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2.If this does not solve the problem, check the burner for obstructions and clear as necessary.

If the flame is lifting off the burner:

There is too much primary air. Close the air shutter slightly and retest.

NOTE: If the grates, hot tops or oven bottoms have been removed, recheck flame adjustments with these items in place.

If burner operation still seems poor and other systems have been checked, refer to the NOZZLE AND ORIFICE CHECK procedure.

Figure 34: Examples Of Burner Flames

Top Burner Adjustment

1.Perform the MANIFOLD COVER REMOVAL procedure.

2.Loosen the screw on the air shutter.

3.Light the burners and observe the quality of the flame.

4.Adjust the air shutter as per the AIR SHUTTER ADJUSTMENT procedure.

5.Repeat the above steps for all remaining burners.

6.Tighten the screw for the air shutter.

7.Replace the manifold cover, burner bezels and knobs.

Figure 35: Top Burner Adjustment

Oven Burner Adjustment

1.Perform the KICK PANEL REMOVAL procedure.

2.Remove the food deflector.

3.Loosen the screw on the burner hood.

4.Light the oven and observe the quality of the flame (figure 34).

5.To adjust the burner, either rotate the burner hood clockwise to decrease the air or counterclockwise to increase the burner air.

6.Tighten the screw on the burner hood.

7.Replace the kick panel.

Figure 36: Oven Burner Adjustment

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Vulcan-Hart F-37418 service manual If the flame is lifting off the burner, Top Burner Adjustment, Oven Burner Adjustment