Siemens NXAIR M Operating Instructions Manual page 178

Accessing the connection compartment through the rear
Preconditions

Withdrawable part inserted in the switching-device compartment:

High-voltage door closed

Withdrawable part in test position

Feeder earthing switch in CLOSED position
Procedure
Check if the position indicator of the feeder earthing switch on the high-voltage door is in
vertical I position.
Fig. 309: Position indicator on high-voltage door
Access to the connection compartment through the rear side of the panel is described hereafter by the
example of a 4-panel arrangement with 48 bolted joints size M8x20.
Fig. 310: 4-panel arrangement with rear wall and rear ledges
178
HINT
Hereafter, the disassembly of those parts is described, which are later
assembled again at the same place.
Store disassembled parts and bolting material carefully, and keep them
available for later reuse.
closed (as an example)
NXAIR M 139-2021.9 / 07