OPERATION OF THE SWITCHGEAR 35
—
6/1 Withdrawable
part with
circuit-breaker,
VD4, operating
mechanism side
—
6/2 Charging the
spring energy
storage mechanism
manually by moving
the inserted lever
up and down
—
6/3 Fitting the hand
cranck (against
spring-loaded
intermediate plate)
to move the truck
inside the panel
clockwise towards
the service position,
and anti-clockwise
from the service
position towards
the test/disconnected
position.
—
6/4 Manual
operation of the
circuit-breaker, by
turning the double
bit key approx. 15°
clockwise (ON), or
approx. 15°
anti-clockwise (OFF)
51.1 51.2 51 52 54.1
50.4 50.7 55.7 55.4 55.5
50.6
55.8
55.6
128
—
6/1
—
6/2
—
6/3
—
6/4
50.4 Guide cam
50.6 Front cover plate, right hand side
50.7 Front coverplate, left hand side
51 nterlock yoke
51.1 Catch pin spring loaded
51.2 Sliding handle
52 Spindle
52.1 Square spigot
146 Hand cranck
54 ON-OFF operating shaft
145 Three bit key (ON-OFF operation)
52 Spindle
54.1 Link rod
55.4 Switch position indicator
55.5 Operating cycle counter
55.6 Socket for charging lever
55.7 Rating plate
55.6 Socket for charging lever
55.8 Charging condition indicator
128 Charging lever
146 52.1
52
54 145
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