SERVOMOTOR CAM REGULATION
ENGAGEMENT AND DISENGAGEMENT LEVER FOR
MOTOR - CAMSHAFT COUPLING
I
2
FLAME AIR ADJUSTING CAM (80°)
nd
II
TOTAL AIR CLOSURE (BURNER OFF) (0°)
III 1
FLAME AIR ADJUSTING CAM (20°)
st
IV 2
FLAME VALVE ACTUATING CAM (40°)
nd
TO ADJUST THE SETTING OF THE CAM USED, USE THE
RESPECTIVE RINGS (I -II - III - IV) THE SCALE ON THE RING
INDICATES THE RESPECTIVE REFERENCE SCALE OF THE
ROTATION ANGLE SET FOR EACH CAM.
R E F E R E N C E
SCALE
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ADJUSTABLE CAMS
P O S I T I O N
INDICATOR