Olympus OM-1 Repair Manual page 125

E-29
Relationship between the Governor and the Cam in CA8577 (Gear):
At the shutter speed "B":
S lever
Small Ankle off
engagement
CA8606
Large Ankle off
engagement
Cam lever
CA8575
Both tne S ankle and the L ankle are released from engagement by the
S lever and the A lever.
At the shutter speed 1/1 and 1/2:
The A lever is released from 8605 and the L ankle is engaged. The
S ankle remains off engagement by the S lever. To differentiate
shutter timing for 1/1 and 1/2, the message is transmitted from 8575
to the Cam lever and the operating angle of the G lever will be
changed.
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