26
4
3
1
1
2
once the Cb is closed:
The motor gear (if present) turns automatically the operating
mechanism shaft (20) and the conditions of the points 1. 2.
and 3. are satisfied.
when you push the opening pushbutton:
18 The opening shaft 1 - fig. 21 turns and releases the
opening hook
19 The opening hook releases the central hook of the cams/
toggle assembly
20 The long levers of the cams/toggle assembly are free now
and by the force of the contact springs and the opening
spring they can move
21 The main shaft turns clockwise
22 The signalling device for open/closed Cb goes in open
position
23 The Cb is in open position
fig. 20
fig. 21
