23
b) Fit operating lever into lower hole.
c) Turn lever counter-clockwise to “open” position.
1) Switch-disconnector closing from “open” position
a) Push pushbutton upwards to free operating shaft hole
(arrow).
Fig. 35 - “Open” position with operating lever
Fig. 31 - “Earthed” position with operating lever in lower hole
Fig. 32 - “Open” position
Fig. 34 - “Open” position
Fig. 33 - Front view of SDM unit
5.12.2. Unit with double-spring operating mechanism
NOTE
In the case of a motor-operated unit with
double-spring operating mechanism, all
remote controlled operations must be
inhibited and disabled before any mechanical
operations are performed.
In the case of a motor-operated unit with
double-spring operating mechanism, it is
advisable to push the pushbutton upwards
to free the operating shaft hole before
performing mechanical operations with the
lever on the switch-disconnector on the earth
side. This facilitates the operation by slowing
down the motor.
b) Fit operating lever into upper hole.
c) Turn it clockwise.
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