Siemens NXAIR Installation Instructions Manual page 178

Closing the connection compartment / connection duct
In addition to these instructions, an instruction label on the vertical partition informs about safe fastening of the
partition:
Fig. 254: Instruction label on the vertical partition
Preconditions
•
Feeder earthing switch in CLOSED position
•
High-voltage door open
•
Low-voltage connector stowed away
•
Protection plate of switching-device compartment and associated connecting elements available:
•
4 nuts M8 with contact washers
•
Vertical partition and associated connecting elements available:
•
10 bolts M8x20 with contact washers and plain washers size 8
acc. to ISO 7093
•
5 bolts M8x20 with contact washers
•
Ventilation duct and associated connecting elements available:
•
20 bolts M8
Procedure
Install the partition (1) between the connection compartment and the switching device
compartment.
To fix the partition (1), tighten the bolts all around hand-tight:
•
•
Tighten the fixing bolts all around with a tightening torque of 25 Nm.
178
NOTICE
Damages inside the switching-device compartment
Damages inside the switching-device compartment possible due to incorrect or
incomplete installation of the partition.
To fasten the partition, always screw in all bolts all around up to the end of
the thread.
10 bolts M8x20 with contact washers and plain washers size 8
acc. to ISO 7093 (2)
5 bolts M8x20 with contact washers (3)
NXAIR /
≤
40 kA 110-0084.9 / 15