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
1
Closing coil
2
Locking lug
3
Roller, Closed
4
Cam disc
5
Stop roller
6
Armature
7
Operating lever
6
1
2
3
4
5
7
B20008
Summary of Contents for SF6 LTB 245E1 BLG 1002A
Page 1: ...Product Manual 1HSB435416 2 en Rev 1 LTB 245E1 BLG 1002A 3 pole operation ...
Page 92: ...ABB Switchgear SF6 Circuit Breaker Circuit breakers HPL and LTB 1HSB445409 1 en0 Lubricants ...
Page 198: ......
Page 199: ......
Page 209: ......
Page 210: ......