Olympus OM-1 Repair Manual page 60

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C-13
Major Check
Point
Relative Function
to be checked
Checking Method or
Points of Special Attention
14.
Rear
i)
X
%
The rear cover should be mounted
Cover
or removed accurately with the
Mounting
mounting pin.
Pin
(CA9099)
2)
The mounting pin is to be pressed
down smoothly without squeaks and
extreme frictions.
3)
The pin, once pressed down, should
return to the original position by
itself when released.
15.
Pressure
i)
It should be properly mounted.
Plate
(CA8710)
2)
When visually inspected, there should
be no deformity nor unevenness on
the surface (especially no concavity).
16.
Spool
1)
Spool force (180 - 400g x 6mm)
(CA7530)
In the feeling test, it should not be
too heavy nor too light.
17.
Shutter
1)
Should be of cloth on the side facing
Curtain
the film surface.
2)
At any position in the picture frame,
the amount of overlap of curtain edges
(metal) should be over 2.5mm.
3)
The curtains should not be slanted-nor
loose.
4)
Prior or subsequent to film advancement
the edge metal should not appear
within the mask.
5)
When the shutter is wide open at a
slow speed, the second curtain
should not appear in the picture frame.
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