Siemens NXAIR Operating Instructions Manual page 320

Accessing the connection compartment through the front
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:
•
10 bolts
acc. to ISO 7093 (2)
•
5 bolts M8x20 (3)
Tighten the fixing bolts all around with a tightening torque of 25 Nm.
3
2
1
Fig. 589: 15 bolted joints on partition
Install the protection plate of the switching-device compartment (4) in the switching-device
compartment.
To fix the protection plate of the switching-device compartment (4), tighten the nuts (5) hand-
tight.
•
4 nuts M8 with contact washers
Tighten the fixing nuts (5) with a tightening torque of 25 Nm.
Fig. 590: 4 bolted joints on protection plate of switching-device compartment
320
M8x20 with contact
NXAIR / ≤ 40 kA
washers and plain
4
5
washers size 8
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