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
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