Bosch PCH615FAU - Minimum Flame Adjustment

5 To adjust the minimum flame for N.G. replace the 
control knob onto the spindle, light the gas and turn 
the control knob to the small flame position. Screw 
the adjustment screw anti-clockwise to estabilish a 
minimum stable flame position. The flame should 
remain alight and not burn back to the injector when 
the valve is turned quickcly from ‘Full On’ to the 
“Minimum flame” position and back a few times.
screw must be fully tightened down clockwise.
6
valve shaft: in the event of damage, change the entire 
valve.
9
10
1
T
urn the control knob to minimum.
2Remove the control knob from the valve spindle. 
3
4 The adjustment screw is positioned at the rear lower 
Minimum flame adjustment.
efit the control knob. Never dismount the 
R
Apply pressure with the tip of the screwdriver to
release the thread toward the tap's adjusting screw.
Refer Fig.10.
.Refer Fig.
9
section of the valve.
Do not remove the disk seal.
To adjust the minimum flame position for ULPG Gas
the

12