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4 Installation
4.5 Installation of the Circuit-Breaker
WARNING
The control leads must not be connected to the terminal block of the operating mechanism until the
circuit-breaker has been erected complete with the pole columns.
4.5.1 Requirements for Assembly
You will require the following equipment and tools for
next work steps in the assembly of the circuit-breaker:
- A crane with suitable suspension tackle
- Evacuating equipment P= 20 mbar
- SF
6
filling device W423
- SF
6
-leak detector
- A conventional standard toolbox.
4.5.2 Assembly on Supporting Pillars at the
Place of Installation
The circuit-breaker must be assembled at the point of installation. The following sequence of steps must thereby
be observed.
WARNING
Failure to observe the specified screw lengths for assembly of the circuit-breaker can lead to
severe damage or even destruction of the circuit-breaker.
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