9.7.10
Replacing the DC-link reactor
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.
For this purpose, use the cleansing agents and greases listed in the table below.
Medium
Description
Cleaning agent
Ethyl alcohol and lint-free cloth
Grease
Electrolube 2G or equivalent contact lubricant
2. Screw in the connections. The tightening torque of the M12 screw connections supplied is
50 Nm.
3. Ground the DC link reactor by the cabinet grounding cable.
Maintenance
9.7 Repairs
SINAMICS GL150 6SL38502UM114PA0Z
Operating Instructions Rev.201910281441 EXAMPLE
127