Leakage Test; Final Inspection Of The Pull-Rod System - ABB SF6 LTB 245E1 BLG 1002A Product Manual

Pressurising the poles

6.4 Leakage test

6.5 Final inspection of the pull-rod system

Item
1 Locking nut
(right-hand thread)
2 Alignment check hole
3 Locking nut
(left-hand thread)
32
Perform a leakage test using a leak detector around the density monitor's
connections.
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.
Pole C1
1
Pole C1
2
3
B10136
Figure 6-4. Final inspection of pull-rod system.
Pole B1
1
Pole B1
3
2
Assembly Instructions
Pole A1
Pole A1
2 3
1HSB435410-2 enrev1
CLOSE
position
OPEN
position