CAMS ADJUSTMENT SERVOMOTOR SQN72.XA4A20
INSERTION AND DISINSERTION LEVER MOTOR
CONNECTION - CAMSHAFT
REFERENCE SCALE
I
2
FLAME AIR ADJUSTING CAM (85°)
nd
II
TOTAL AIR CLOSURE (BURNER OFF) (0°)
III 1
FLAME AIR ADJUSTING CAM (20°)
st
IV UNUSED CAM
V
IGNITION TRANSFORMER ACTUATING CAM (30°) *
*
CAM V >III (approximately 5° / 10°)
TO MODIFY THE SETTING OF THE CAM USED, USE THE
RELATIVE RINGS (I -II - III ...). THE SCALE ON THE RING
INDICATES THE ROTATION ANGLE SET FOR EACH CAM
ON THE RELATIVE REFERENCE SCALE.
POSITION INDICATOR
17 / 20
0006081522_201306
ADJUSTABLE CAMS