Figure 9-8 Changing the filter in the roof assembly
1. Release the four screws ①.
2. Release the two screws ②. Remove the filter frame.
3. Remove the filter ③.
If there is a slight amount of dirt, clean the filter mat at a suitable location. Depending on the
degree of pollution, you can also clean the filter mats using a vacuum cleaner. If the filter mat
is damaged, or the frequency of alarms increases, dispose of the dirty filter mat in the correct
fashion. Use a new filter mat
4. Place a new filter in the frame ④.
5. Reattach the frame of the filter and cover.
9.4.7 Maintaining the fan
CAUTION
Injury caused by rotating fan
If the drive is equipped with a temperature-controlled fan, the fan can run on even if the power
section is switched off. You can be injured if you touch the fan.
● Wait until the fan has shut down and has come to a stop.
Maintenance
9.4 Inspection and maintenance
SINAMICS SM150 6SL3845-7NN46-7AA2
148 Operating Instructions Rev.201910281345 EXAMPLE
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