Overhaul Instructions
Assembling the circuit-breaker pole
1HSB435409-201 enrev1 29
8.7 Assembling the tripping mechanism’s pull rod on the operating lever
1. Turn the operating lever (1) anti-clockwise towards the open position and
connect it to the pull-rod (3) using the pin (2).
2. Screw on the nut (6) until measurement Y, see Chapter 5.1.
3. Tighten the locking nut (7) to 200 Nm and lock using locking fluid, ABB
Art.
No. 12690014-410 (Loctite 242).
4. Clean the drainage groove in the bottom cover (8) and refit the cover.
Figure 8-4. Assembling the tripping mechanism’s pull-rod on the operating lever.
The circuit-breaker is now ready for transport.
Item
1 Operating lever
2 Pin
3 Pull-rod
4 Spring housing
5 Opening spring
6 Nut
7 Locking nut
8 Bottom cover
9 Bolts M10x25 4 pcs.
Y
6
2
1
3
4
5
7
B10056
9
8