Siemens SINAMICS G130 Operating Instructions Manual page 528

Maintenance and servicing
11.4 Replacing components
Preparatory steps
● Disconnect the built-in unit from the power supply.
● Allow unimpeded access to the power block.
● Remove the protective cover.
● Removing the Control Interface Module (see corresponding section)
Removal steps
The removal steps are numbered in accordance with the numbers in the diagram.
1. Unscrew the connection to the outgoing motor section (3 screws).
2. Unscrew the connection to the line supply (3 screws).
3. Remove the retaining screws at the top (2 screws).
4. Remove the retaining screws at the bottom (2 screws).
5. Disconnect the plug for the thermocouple.
6. Unscrew the two retaining screws for the fan and attach the equipment for assembling the
power block at this position.
You can now remove the power block.
Note
The power block weighs approx. 102 kg!
NOTICE
Damage to the device if signal cables are damaged when removing
Signal cables can be damaged when the power block is removed. This can cause the
device to fail.
• When removing the power block, ensure that you do not damage any signal cables.
Installation steps
To reinstall, perform the above steps in the reverse order.
Note
Specifications for the installation
The tightening torques specified in the table "Tightening torques for screw connections" must
be observed.
Carefully insert the plug-in connections and ensure that they are secure.
528
Inverter chassis units
Operating Instructions, 07/2016, A5E00331449A