25
5
4
3
2
1
5
1
3
4
when you push the closing pushbutton:
8 The closing shaft 1 - fig.18 turns and releases the closing
hook
9 The closing springs unloads their energy on the closing
lever assembly
10 The closing lever assembly push the long levers of the
cams/toggle assembly, by a pin 3 - fig.18
11 The long levers move by pin 4 - fig.18 the main shaft
counter clockwise 5 - fig.18
12 The signalling indicator device for open/closed Cb status
goes in close position; the Cb is closed
13 The long levers reach the settled position
14 The contact springs inside the poles and the opening
spring inside the frame are charged
15 A part of the contact springs and opening spring load
works on the long levers but the long levers remain in their
position by the central hook of the cams/toggle assembly
16 The central hook works on the opening hook 5 – fig. 19
17 The opening hook remains locked by the opening shaft
fig. 18
fig. 19
