Dismantling the circuit-breaker pole
Overhaul Instructions
14
1HSB435409-201 enrev1
5.2 Removing the breaking unit
1.
Fit the lifting sling from the top of the breaking unit to the crane or the
overhead crane. Tension the lifting sling moderately.
2.
Remove the bolts (1) between the post insulator (2) and the breaking unit (3).
3.
Lift the breaking unit
75-100 mm.
4.
Remove the circlip (4), washer
(5) and pin (6).
Set up the breaking unit vertically on
a suitable surface so that it does not
fall over.
Figure 5-2. Removing the breaking unit.
Item
1
Bolts M12x35
Washers 13x28x3
8 pcs.
8 pcs.
2
Post insulator
3
Breaking unit
4
Circlip
2 pcs.
5
Washer
2 pcs.
6
Pin
5
4
6
1
B10151
2
3
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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