Pressurising the poles
Assembly Instructions
32
1HSB435410-2 enrev1
6.4 Leakage test
Perform a leakage test using a leak detector around the density monitor’s
connections.
6.5 Final inspection of the pull-rod system
The circuit-breaker can be operated when the circuit-breaker pole is filled with gas
to the nominal pressure. This is necessary to perform a final inspection of the pull-
rod system.
1.
Switch the circuit-breaker to Close position from a well-protected area.
2.
Tighten the nuts (1) moderately.
3.
Switch the circuit-breaker to Open position from a protected area.
Figure 6-4. Final inspection of pull-rod system.
Item
1
Locking nut
(right-hand thread)
2
Alignment check hole
3
Locking nut
(left-hand thread)
Pole A1
Pole A1
Pole B1
Pole B1
Pole C1
Pole C1
CLOSE
OPEN
1
1
2
3
2
3
2 3
B10136
position
position
Содержание SF6 LTB 245E1 BLG 1002A
Страница 1: ...Product Manual 1HSB435416 2 en Rev 1 LTB 245E1 BLG 1002A 3 pole operation ...
Страница 63: ...ABB Switchgear SF6 Circuit Breaker Circuit breakers HPL and LTB 1HSB445410 100 en rev1 Check list assembly ...
Страница 68: ...ABB Switchgear SF6 Circuit Breaker Type LTB E 1HSB435409 100 enrev1 Operating and Maintenance Instructions ...
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