9.7.7 Replacing the precharging rectifier
Removing modules
① Fastening nut
Figure 9-25 Replacing the precharging rectifier
1. Remove all connecting leads. If necessary, remove the cable ties.
Note
Noting the core markings
The cables are equipped with Faston connectors. Make a note of the core markings. When
installing the new module, note the core markings for the cables.
2. Remove the five plastic nuts ① of the module.
Installing a module
Install the new module in the reverse order to when you removed it.
Maintenance
9.7 Repairs
SINAMICS SM150 6SL3845-7NN46-7AA0
184 Operating Instructions 04/2017
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