Siemens NXAIR Operating Instructions Manual page 346

Accessing the connection compartment through the front
Perform final checks regarding the correct state and position of the shutter (1) and the
levers (2) for moving the shutter. If any of these checks fails, do not insert any removable
voltage transformers in the voltage transformer compartment, but inform the regional
Siemens representative.
Check against the labyrinth (3) if the shutter (1) is horizontally arranged.
Check if the top edge of the shutter is flush with the shutter frame (4).
Check if the levers (2) are in perfectly straight condition.
1
2
Fig. 643: Checking state and position of shutter and levers
✓
The bushing plate, the vertical partition and the voltage transformer compartment are
installed.
346
INFORMATION
Final procedure steps
Now the panel can be integrated into the course of operation again, for example:
Inserting a withdrawable part / removable voltage transformers in the
panel.
Closing the high-voltage
compartment.
De-earthing the feeder.
Racking the withdrawable part / removable voltage transformers to service
position.
NXAIR / ≤ 40 kA
3
(1) Shutter
(2) Lever
4
(3) Labyrinth
(4) Shutter frame
2
door / door to the voltage transformer
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