12
Recommended sequence of operations
Operation instructions
cgm.
3
ENA type
IG-235-EN version 02
2.3
cgm.
3-l
switchgear
2.3.1
Opening operation from the earthing
position
1)
Move and hold the actuation shaft access lever in
the yellow actuation area to its lower position.
2)
Insert the handle in the earthing switch actuation
shaft and turn anticlockwise.
3)
Remove the handle. The lever returns to its original
position.
4)
Verify that the switchgear is in open position.
Fig. 2.7:
Opening operation from earthing position in
cgm.
3-l
2.3.2
Switch closing operation from the open
position
1)
Move and hold the actuation shaft access lever in
the grey actuation area to its lower position.
2)
Insert the handle in the switch-disconnector
actuation shaft and turn clockwise.
3)
Remove the handle. The lever returns to its original
position.
4)
Verify that the switchgear is in closed position.
Fig. 2.8:
Closing operation from open position in
cgm.
3-l
2.3.3
Opening operation from the switch -
disconnector closed position
1)
Move and hold the actuation shaft access lever in
the grey actuation area to its lower position.
2)
Insert the handle in the switch-disconnector
actuation shaft and turn anticlockwise.
3)
Remove the handle. The lever returns to its original
position.
4)
Verify that the switchgear is in open position.
Fig. 2.9:
Opening operation from switch closed position
in
cgm.
3-l
2.3.4
Earthing operation from the open
position
1)
Move and hold the actuation shaft access lever in
the yellow actuation area to its lower position.
2)
Insert the handle in the earthing switch actuation
shaft and turn clockwise.
3)
Remove the handle. The lever returns to its original
position.
4)
Verify that the switchgear is in earthing position.
Fig. 2.10:
Earthing from open position
cgm.
3-l
