Operating Mechanism Maintenance
1HSB515409-100 en rev2
31
4.13.1 Manual tensioning of the closing springs
1.
Crank anticlockwise until the closing springs are fully charged. Check by
measuring between the bridge and the frame foot.
2.
Turn the switch on the drive unit to the
“MOTOR” position.
3.
Reset the direct-on-line starters.
4.
Turn the switch Local/Remote on the
control panel to the “REMOTE” position.
5.
Make a test operation.
Figure 4-13. Check dimension, closing springs.
294
+2
B20021
Summary of Contents for SF6 LTB 245E1 BLG 1002A
Page 1: ...Product Manual 1HSB435416 2 en Rev 1 LTB 245E1 BLG 1002A 3 pole operation ...
Page 92: ...ABB Switchgear SF6 Circuit Breaker Circuit breakers HPL and LTB 1HSB445409 1 en0 Lubricants ...
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