ABB SF6 LTB 245E1 BLG 1002A Product Manual page 55

Pressurising the poles
TIGHTENING TORQUE
30
18. Close the valve on the gas cylinder when all poles have been filled.
19. Disconnect the hose from the gas cylinder and release the pressure in the
regulator by pressing in the non-return valve.
20. Release the regulator's adjustment pressure by turning the adjuster valve so
that the wrong pressure is not filled in the next circuit-breaker to be fitted.
N.B. When the density monitor (1) is finally fitted, tighten the union nut (2) with a
torque of 10 Nm.
Item
1 Density monitor
2 Union nut
10 Nm
Figure 6-2. Density monitor and union nut.
21. Operate the circuit-breaker Close and Open 3 times from the control room.
22. Connect the cables to the density monitors.
1
2
Assembly Instructions
B10017
1HSB435410-2 enrev1