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General Operation (continued)-
BURNER FLAME CHECKS
Cast Iron Burner: At the time of installation and at periodic intervals (not more
than 6 months), a visual check of the main burner and pilot flames should be
made to determine if they are burning properly. For ideal operation, the gas and
air must be properly proportioned. The proper air-gas mixture is obtained by
adjusting the air shutter on the mixer face of the main burner (See Figure 3). To
adjust for proper burning, loosen the air shutter nut, rotate shutter to close the
opening in the burner then slowly rotate the shutter until the yellow tips
disappear and the flame becomes blue. Tighten the air shutter nut. Too much
air will cause the flame to lift off the burner ports and create noisy operation.
Too little air will result in soot formation. The main burner flame should light
smoothly from the pilot.
Steel Burner: These models are equipped with self adjusting air mixture and
do not have an adjustable air shutter (See Figure 4). At periodic intervals, a
visual check of the main burner and pilot flames should be made to determine if
they are burning properly. The main burner flame should light smoothly from the
pilot.
Figure 3
Figure 4
INTERNET VERSION FOR REFERENCE ONLY