Siemens NXAIR M Operating Instructions Manual page 173

Preconditions

Feeder earthing switch in CLOSED position

High-voltage door open

In the switching-device compartment and in the voltage transformer compartment:

Low-voltage connector stowed away

Bushing plate and associated bolting material available:

6 bolts M8x20 with contact washers and plain washers

Connecting cables and associated bolting material available:

3 nuts M8 with contact washers and plain washers

Vertical partition and associated bolting material available:

8 bolts M8x20 with contact washers and plain washers

Protection plate and associated bolting material available:

4 nuts M8 with contact washers

Voltage transformer compartment and associated bolting material available:

8 bolts M8x20 with contact washers

Lid of metal cover and associated bolting material available:

2 bolts M8x20 with contact washers

Wiring duct cover and associated bolting material available:

3 bolts M8x20 with contact washers
Procedure
Install the bushing plate with bushings.
Fix the partition (5) by screwing the bolts in all around hand-tight:

6 bolts M8x20 with contact washers and plain washers
Tighten the bolts with torque 25 Nm.
139-2021.9 / 07
Accessing the connection compartment through the front
NOTICE
Damages inside the switching-device compartment
Damages inside the
compartment due to incorrect or incomplete installation of the partition / bushing
plate.
To fasten the partition / bushing plate, always assemble all bolted joints all
around, and screw them in up to the end of the thread.
switching-device compartment / voltage
NXAIR M
transformer
173