CDA RC9321 Manual For Installation, Use And Maintenance page 41

Regulation of air supply to oven and grill burners
Using a cross-head screwdriver, slacken the screw securing the air flow regulation
collar (fig. 50 and 51) and move the collar forward or backward to increase or reduce
the air aperture in accordance with gas type and the indications in the " TABLE FOR
THE CHOICE OF THE INJECTORS ".
Light the burner and check the flame.
Fig. 51
Fig. 50
Ring opening
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