Olympus OM-1 Repair Manual page 50

C-3
Checking Method or
Points of Special Attention
Major Check * Relative Functions
Point_to be checked
3)
4)
5)
6
)
(1) Room between 1)
CA8753 (Cover)
and CA9083
(Holder)
(2) Film advance 1)
by short
strokes
(3) Prevention for 1)
double film-
advance
(4) Film release 1)
Upon a full stroke or winding motion,
film should be advanced by a full
frame and the shutter and the mirror
should be charged accurately.
Further, even with a quick winding
action, the shutter should be set
accurately.
The film advance lever should
return to its original position
regardless of whether the film
is loaded or not.
The preadvancing movement of the
lever should be smooth.
In its still position, the lever should
be in contact with the ASA dial or
within 0.8 from the dial.
During the film advancing motion,
CA8753 and CA9083 should not
hit each other. *
Even with short strokes, .the film
should be advanced properly and
locked in position accurately.
Film cannot be advanced
consecutively for the second
frame without shutter release.
Upon shutter release, the film
can be advanced for the
subsequent frame.
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