Replacing The Psb Module - Siemens PM330 Hardware Installation Manual

5.4.2

Replacing the PSB module

Replacing the PSB module
Figure 5-5
Preparatory steps
● Disconnect the built-in unit from the power supply.
● Allow unimpeded access.
● Remove the protective cover.
● Open the device, see Chapter "Opening the device (Page 71)"
Removal steps
1. Withdraw the plug connections
2. Remove the 5 screws from the corresponding PSB module
3. Withdraw the PSB module.
Installation steps
To reinstall, perform the above steps in the reverse order.
Tightening torque for the PSB module fastening screws: 1.8 Nm
Note
Carefully insert the plug-in connections and ensure that they are secure.
Power Module PM330
Hardware Installation Manual, 12/2018, A5E32844552B AF
Replacing the PSB module
①
5.4 Replacing additional components
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Service and maintenance
②
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