GMC 1976 ZEO 6083 Maintenance Manual page 790

OVEN MAIN BURNER ADJUSTMENT
26).
CAUTION: To avoid possible burns to hands
or arms, prior to performing adjustment, be
sure main burner is turned off and oven
components are allowed to cool.
1. Loosen air deflector retaining screw (figure
Figure 25-Adjusting Range Pilot
RANGE/OVEN
24H- 1 1
2. Rotate air deflector as necessary to supply
more or less air to main burner .
3. Turn on oven and check burner flame. The
main burner flame should burn with a blue flame
having yellow tips .
4. Readjust position of air deflector if necessary
after noting CAUTION at the beginning of "Oven
Main Burner Adjustment ."
Figure 26-Location for Main Burner Adjustment