Siemens NXAIR Operating Instructions Manual page 294

Operating the shutters
Opening the shutter to the connection compartment (lower shutter)
Preconditions
•
Contactor truck in test position
•
Padlock (optional) removed from door handle
•
High-voltage door open
•
Contactor truck taken out of the panel
4
Fig. 541: Slip-on lever for opening the shutter;
On the left side in the switching-device compartment: Move the vertical interlocking lever (5)
upwards and padlock (6) the shutter mechanism.
Fig. 542: Padlocking the shutter mechanism on the left side in
Take the slip-on lever by the main handle (4) with the vertical latching rod (2) pointing
upwards.
Turn to the right side in the switching-device compartment. Insert the rollers (1) of the slip-on
lever into the guide groove (7) of the shutter mechanism.
294
vertical latching rod (2) pointing upwards
the switching-device compartment
NXAIR / ≤ 40 kA
(1) Roller
3
(2) Latching rod
Handle of
(3)
latching rod
2
(4) Main handle
1
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5
6