ABB
26
Uniswitc h Operation a nd
Mainte na nc e Manua l
UNI S14GB 05-02
4.3.1.3 Operating the SFG switch-disconnector to the earthed position
Figure 4.3
Operating to earthed
position.
1) Ensure that the switch-disconnector position indicator is in the 0-
position (
1
).
2) Check that the interlocking selector is in the ‘Test’ (
2
) position.
3) Check that the notch on the operating shaft is pointing downwards
(
3
).
4) Put the operating handle into the hole so that the guide key goes
into the notch on the shaft.
5) Turn the operating handle
anti-clockwise
about 80 degrees until the
switch-disconnector moves to the earthed position.
4.3.1.4 Opening the SFG switch-disconnector from the earthed position
Figure 4.4
Opening from earthed
position.
1) Ensure that the switch-disconnector position indicator is in the
earthed position (
1
).
2) Check that the interlocking selector is in the ‘Test’ (
2
) position.
3) Check that the notch on the operating shaft is pointing to the right
(
3
).
4) Put the operating handle into the hole so that the guide key goes
into the notch on the shaft.
5) Turn the operating handle
clockwise
about 80 degrees until the
switch-disconnector opens and moves from the earthed position.
