Siemens SINAMICS GM150

4. Remove the retainers ④ from the water hoses. Pull out the hoses.
CAUTION
Deionized water
Deionized water is harmful to eyes and skin and can damage surfaces.
Therefore, use appropriate protective clothing for all work on the converter. However, if
your eyes or skin do come into contact with deionized water, rinse the affected area
thoroughly with tap water as soon as possible. If deionized water leaks out, eliminate the
source of the problem and remove the liquid from the surfaces affected.
Figure 9-10 Removing the retainers for the water hoses
5. Pull the diode module out of the cabinet.
Installing the intact diode module
Install the intact diode module in the reverse order.
Note
Ventilating the deionized water circuit
You must vent the deionized water circuit after replacing the diode module.
Final checks
Make sure that all the screws have been tightened with the correct torques.
Table 9-4 Torques
Screw type Torque
M8 13 Nm
Make sure that all the connections are secure.
Maintenance
9.7 Repairs
SINAMICS GM150 6SL3815-2LN41-4AA2
Operating Instructions 04/2017 213