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26 71D0532
In normal operation at full rate after 15 minutes, the following fl ame appearances should be observed:
Figure 29 - Correct Appearance of Rear Flames of Charred Timber
Burner will have a random pattern of yellow flames as shown in Figure 29. There should be glowing embers on the front
burner. Note: The front fl ames and embers will be an opaque orange color during the burn off time.
CHECKING THE BURNER FLAME