KitchenAid KFRS271T Installation Instructions And Use & Care Manual page 17

6. If flame is yellow (not enough air), turn air shutter adjustment
screw counterclockwise.
If flame is noisy or lifts away from burner (too much air), turn
air shutter adjustment screw clockwise.
A
A. Air shutter adjustment screw
Adjustment should be made clockwise or counterclockwise
from " (3.2 mm) to " (6.4 mm).
7. Replace gas burner, sear plates and grates.
8. Light grill using information in the "Outdoor Grill Use" section.
See "Burner Flame Characteristics."
Low Flame Adjustment
If flame goes out on the "LO" setting, the low flame setting must
be adjusted.
1. Turn off the valve and wait until grill and burners are cool.
2. Remove grill grates and sear plates.
3. Light grill using information in the "Outdoor Grill Use" section.
4. Turn burner to its lowest setting and remove knob.
5. Hold valve stem with pliers and insert a thin flat-blade
screwdriver into the shaft.
6. Watch the flame and slowly turn the screwdriver
counterclockwise.
7. Adjust flame to minimum stable flame.
A
A. Valve stem
B. Flat-blade screwdriver
C. Pliers
8. Replace the control knob and turn off the burner.
9. Repeat steps 3 through 8 for each burner if needed.
10. Replace the sear plates and grates after the burners have
cooled.
B
C
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