Operating Mechanism Maintenance
26 1HSB515409-100 en rev2
6. Pull the blocking pin out of the hole.
7. Turn the switch Motor/Hand to the Motor position.
8. Switch on the motor voltage with the direct-on -line starters.
9. Set the switch Local/Remote to the Remote position.
The circuit-breaker is now in the closed position and a normal opening operation
can be carried out.
N. B. Check that the blocking beams are dismantled before carrying out an opening
operation.
Figure 4-7. Operating mechanism, slow closing operation.
Item
1 Closing coil
2 Cam disc
3 Stop roller
4 Operating lever
5 Locking lug
6 Roller, Open
7 Locking lug
8 Roller, Closed
1
2
3
4
5
6
8
7
B20006
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