Siemens NXAIR M Operating Instructions Manual page 185

Remove the connecting elements from one of the vertical ledges (5):

9 / 19 bolts M8x20 with contact washers and plain washers
Fig. 316: Rear ledges and rear walls
Remove the vertical ledges, and store them together with the associated connecting
elements.
Proceed in the same way with the other vertical ledges.
Loosen the connecting elements of the lower rear wall at the panel base (6):

4 / 6 bolts M8x20 with contact washers
Remove the rear wall (4). To do this, lift the rear wall by the handle, and pull it out. Store the
rear wall.
Loosen the connecting elements of the upper rear wall in the upper area (1):

4 / 5 bolts M8x20 with contact washers
To remove, pull the upper rear wall (4) downwards by the handle. Store the rear wall.

Access to the connection duct through the rear side is given.
139-2021.9 / 07
Accessing the connection compartment through the rear
on connection duct
NXAIR M
1
2
Bolted joints for
(1)
upper rear wall
3
(2) Upper rear wall with handle
(3) Horizontal ledge
(4) Lower rear wall with handle
(5) Vertical ledges
4
Bolted joints for
(6)
lower rear wall
5
6
185