Sears 8101 P590-60 - Manual (Page 6)

AIR SHUTTER - OVEN BURNER
a. The approximate length of the flame of oven burner is
a 1/2 inch distinct blue flame, figure 4.
b. Oven burner flame can be checked as follows, without
burner baffle in place:
1. Yellow flame on burner - open burner air shutter to
the widest opening that will not cause the flame to
lift or blow off the burner when cold, (See #2 on
figure 5.)
2. Distinct blue flame but lifting - close burner air
shutter to the point where it will not cause the flame
to lift or blow off the burner when cold. (See #2 on
figure 5.)
High Altitude Notice
The specified gas burner ratings typically apply to
elevations up to 2000 feet. For higher altitudes, the rates
may need to be reduced to achieve satisfactory operation,
A local certified gas servicer will be able to advise if a
reduction is necessary.