4. Adjustment for the aperture Mg position
� Adjustment procedure
Adsorb the iron core of the aperture Mg to the
Mg side during the adjustment.
Put the washer of 0.2 mm into the clearance
to be adjusted.
Loosen the screw for the adjustment.
Move the aperture Mg to make the above
clearance be the same thickness as the
washer.
Drive the screw for the adjustment and fix
the aperture Mg.
Fix the Mg by the screw lock.
Screw
for the
adjustment
Screw lock
The thing which the
washer 0.2 for the
adjustment infinity
and so on is cut in the
suitable dimension.
0.20.35
�
Adjust the aperture Mg position as the
following procedure when disassembling or
replacing the aperture upper base unit B242.
Measure the clearance between the stopping
lever and the aperture detection gear B245
and make it be in the standard
STANDARD
: 0.20.35mm
Aperture detection
gear B245
Aperture Mg
Stopping lever