Bosch Evolution 300 Series Service Manual page 32

Oven Burner Flame Adjustment
Illustration A
The approximate flame length of the oven burnerV should be 1 inch
with a distinct inner blue flame.
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To determine if the oven bake burner flame is proper, remove the
oven bottom SDQHO and burner baffle LOOXVWUDWLRQ $  and set the oven to %ake at
300°F.
,I the flame is yellow in color, increase air shutter opening size. If the flame is a
distinct blue but too short, noisy or lifting away from the burner tube reduce the air
shutter opening size.
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After all adjustments are complete, reinstall the burner baffle and oven
bottom.
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Flame adjusWments for the broil burner are done from inside the oven DQG GR QRW
IllustratioQ %
require removal of any panels or components. Adjust the air shutter in the same
manner as described above for the bake burner.
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