Danby DER2099W Owner's Use And Care Manual page 45

a. Set oven to BAKE at 300°F. See Use & Care Manual for operating instructions.
b. Within 60 seconds the oven burner should ignite. Check for proper flame, and allow the burner to cycle once. Reset
controls to OFF.
12. Air Shutter-Oven Burner
The approximate flame length of the oven burner is 1 inch (distinct
inner, blue flame)
To determinate if the oven burner flame is proper, remove the
oven bottom and set the oven to bake at 300°F.
To remove the oven bottom, slide it back into place to disengage
front of oven bottom from oven front frame, and pull the oven
bottom out of the oven.
If the flame is yellow in color, increase air shutter opening size. If
the flame is a distinct blue, reduce the air shutter opening size.
To adjust loosen lock screw, reposition air shutter and tighten lock
screw. Replace oven bottom.
Lock Screw
Oven Burner Orifice Hood
Tube
Air Shutter
Air Shutter