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Maintenance
9.6 Repairs
4. Establish the busbar connections as shown in the circuit diagram.
On DC link reactors with aluminum terminals, use the contact plate between the aluminum
terminal and the busbar.
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.
For this purpose, use the cleansing agents and greases listed in the table below.
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.
136
Medium
Cleaning agent
Grease
Description
Ethyl alcohol and lint-free cloth
Electrolube 2G or equivalent contact lubricant
3rd Party LCI Control Upgrade
Operating Instructions, 02/2022, A5E31872818
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