Operating Mechanism Maintenance
30 1HSB515409-100 en rev2
9. Check that the locking lug (2) rests against the roller (3). Otherwise crank anti-
clockwise until the locking lug rests against the roller.
10. Pull the blocking pin out of the hole.
11. Turn the switch Motor/Hand to the Motor position.
12. Switch on the motor voltage with the direct-on-line starters.
13. Turn the switch Local/Remote to the Remote position.
The circuit-breaker is now in the open position and a normal closing operation can
be carried out.
N.B. Check that the blocking beams have been dismantled before carrying out an
opening operation.
Figure 4-12. Operating mechanism, slow opening operation.
Item
1Closing coil
2 Locking lug
3 Roller, Closed
4 Cam disc
5 Stop roller
6Armature
7 Operating lever
6
1
2
3
4
5
7
B20008
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