Siemens SINAMICS GL150 Operating Instructions Manual page 148

Maintenance
9.7 Repairs
Installing the DC link reactor
To install the DC link reactor, proceed as follows:
1. Slide the DC link reactor onto the U-rail as far as the stop.
2. Screw the center upright back into the cabinet.
3. Secure the DC link reactor on both sides with the lugs provided.
4. Establish the busbar connections as shown in the circuit diagram.
5. Make the water pipe connections again.
Establishing and grounding the power connections
The power connections are made by the expansion straps. To establish and ground the power
connections, proceed as follows:
1. Clean and grease the contact surfaces immediately before screwing in the connections.
2. Screw in the connections. The tightening torque of the M12 screw connections supplied is
3. Ground the DC link reactor by the cabinet grounding cable.
148
On DC link reactors with aluminum terminals, use the contact plate between the aluminum
terminal and the busbar.
For this purpose, use the cleansing agents and greases listed in the table below.
Medium
Cleaning agent
Grease
50 Nm.
Description
Ethyl alcohol and lint-free cloth
Electrolube 2G or equivalent contact lubricant
Operating Instructions Rev.201910281450 EXAMPLE
SINAMICS GL150 6SL38555UN113KA0Z