Overhaul Instructions
Dismantling the circuit-breaker pole
1HSB435409-201 enrev1
13
5. Dismantling the circuit-breaker pole
The circuit-breaker pole is fitted vertically on an appropriate frame, for example, a
circuit-breaker frame or a frame on the floor of the workshop.
5.1 Dismantling the tripping mechanism’s pull-rod
1.
Dismantle the protective cover (8).
2.
Measure and note down a reference dimension, e.g. “Y”, so that the opening
spring (5) can be refitted to the same tension using the nut (6) when re-
assembling.
Y=............. mm
date................
3.
Off-load the springs by loosening the nuts (6, 7)
4.
Remove the pin (2).
Figure 5-1. Dismantling the pull-rod.
Item
1
Operating lever
2
Pin
3
Pull-rod
4
Spring housing
5
Opening spring
6
Nut
7
Locking nut
8
Protective cover
9
Bolts M10x25
4 pcs.
Y
7
2
1
3
4
5
6
B10056
9
8
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 ...
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