ABB SF6 LTB 245E1 BLG 1002A Product Manual page 58

Assembly Instructions
TIGHTENING TORQUE
300 Nm
TIGHTENING TORQUE
300 Nm
1HSB435410-2 enrev1
4. Check using a 6 mm diameter rod that the alignment check hole (2) aligns with
the predrilled hole in the mechanism housing. Any requisite adjustment is done
by loosening the locking nuts and turning the pull-rod. Tighten the locking nuts
(3) on all poles to 300 Nm.
5. Switch the circuit-breaker to Closed position from a protected area.
6. Tighten the locking nuts (1) on the poles A1 and B1 to 300 Nm.
7. Switch the circuit-breaker OPEN, CLOSE and OPEN again from a protected
area.
8. Complete by setting the operating switch in the operating mechanism in OPEN
position.
Pressurising the poles
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