Olympus OM-1 Repair Manual page 30

B-9
1
. When 9002 (button) is pressed, 8862 moves in the arrowed
direction and turns, by means of (8863), 8810 in the
arrowed direction.
2. When 8810 is moved, it hits (8850) clinched on the KS lever.
When it is further moved, it turns the KS lever by (8850)
action in the arrowed direction and releases 8842 from
the boss on (8547).
3
. When the 8862 is moved still further, the mirror commences
its operation and the shutter also works.
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