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DETAIL OF THE MODULATION CONTROL
MOTOR SQM 53 FOR CAM ADJUSTMENT
1
2
3
4
0002939500
1 Lever for enabling/disabling motor-camshaft coupling
2 Reference scale
3 Camshaft
4 Adjustable camshaft
I Maximum air opening (140°)
II Total air closure (burner stopped) (0°) (15°)
III Minimum air opening (lower than cam IV) (20°)
IV Ignition air opening (greater than cam III) (30°)
TO MODIFY THE SETTING OF THE CAM USED, USE THE
RESPECTIVE RINGS (I -II - III ...) THE SCALE ON THE RING
INDICATES THE ROTATION ANGLE SET FOR EACH CAM ON
THE RESPECTIVE REFERENCE SCALE.
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