Accessing the connection compartment through the front
139-2021.9 / 07 NXAIR M 169
Remove 3 or 5 bolts M8x20 from the wiring duct cover, and store them.
Fig. 291: 3 bolted joints on wiring duct cover,
panel width 800 mm
Fig. 292: 5 bolted joints on wiring duct cover,
panel width 1000 mm
Remove the wiring duct cover (4), and store it.
For panel width 1000 mm: Remove the metal cover (6), and store it.
Remove 8 bolts M8x20 at the voltage transformer compartment, and store them.
Fig. 293: 8 bolted joints on voltage
transformer compartment
Fig. 294: Voltage transformer compartment,
removed
Take the voltage transformer compartment (3) out of the panel to the front, and store it.
Remove 4 nuts M8 at the protection plate of the switching-device compartment, and store
them.
Fig. 295: 4 bolted joints on protection plate of switching-device compartment
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