Siemens NXAIR M - Page 173

Accessing the connection compartment through the front
139-2021.9 / 07 NXAIR M 173
NOTICE
Damages inside the switching-device compartment
Damages inside the switching-device compartment / voltage transformer
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.
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.