9.4.5
Replacing the filter mats in the roof assembly
NOTICE
Material damage due to dust deposits
Dust can enter the interior of the cabinet during filter mat replacement due to the suction of the
running fans. Dust deposits can damage the device.
● Carefully ensure that no dust enters the cabinet when replacing the filter mats.
Figure 9-5
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.
Maintenance
9.4 Inspection and maintenance
SINAMICS SM150 6SL3815-7NP41-0AA1
160
Operating Instructions Rev.201910281301 EXAMPLE