13
The adjusting screw is inside the control shaft or on the top surface of the valve,
close to the control shaft (Fig. 3.11):
•
U
sing a screwdriver max. Diameter 3 mm. turn the screw of the tap until the
flame setting is correct.
For LPG setting, fully tighten the adjustment screw. For NG, loosen the adjustment
screw so that the flame length is 4-5 mm. in the min. Position.
Fig. 3.11
MINIMUM BURNER SETTING ADJUSTMENT
Check whether the flame spreads to all burner ports when the burner is lit with the
gas tap set to the minimum position. If some ports do not light, increase the
minimum gas rate setting.
Check whether the burner remains lit even when the gas tap is turned quickly
from the maximum to the minimum position. If the burner does not remain lit,
increase the minimum gas rate setting.
The procedure for adjusting the minimum gas rate setting is described below.
