Siemens SINAMICS Series Operating Instructions Manual page 702

Maintenance
11.2 Replacing components
11.2.3 Replacing the CUD
Note
The information regarding electrostatic sensitive devices must be carefully observed. See
Chapter "ESD-sensitive components (Page 22)".
Note
Use the supplied protective cover
The module is equipped on both sides with highly sensitive components that can be
damaged if installed incorrectly.
It is therefore essential that you use the supplied mounting aid (protective cover) when
installing or removing the CUD.
Required tools
Torx screwdrivers TX10 (CUD) and TX20/TX30 (front cover).
Removing the existing CUD
Figure 11-11 CUD replacement 1
700
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A