Accessing the connection compartment through the front
139-2021.9 / 07 NXAIR M 167
Fold the air guide downwards.
Fig. 289: Folding the air guide downwards
Fix the holder of the air guide by screwing the 2 bolts size M8 with contact washers in hand-
tight. Tighten the bolts with torque 25 Nm. Proceed in the same way on the other side.
Fig. 290: Bolts for fixing the air guide
The vertical partition and the ventilation duct are installed.
Final procedure steps
Now the panel can be integrated into the course of operation again, for example:
Inserting the withdrawable part in the panel.
Closing the high-voltage door.
De-earthing the feeder.
Racking the withdrawable part to service position.
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