4
1 Contents
4 Installation 43
4.1 Safety Rules for Installation 43
4.2 Delivery and Storage 46
4.2.1 Packing 46
4.2.2 Checking on Arrival 46
4.2.3 Storage 46
4.3 Cleaning Liquids, Lubricants and Corrosion Protection Agents 48
4.3.1 Cleaning Liquids 48
4.3.2 Lubricants and Corrosion Protection Agents 49
4.4 General Instructions for Installation 50
4.5 Installation of the Circuit-Breaker 51
4.5.1 Requirements for Assembly 51
4.5.2 Assembly on Supporting Pillars at the Place of Installation 51
4.5.3 Assembly Overview 52
4.5.4 Disassembling the Insulator Column Kit 52
4.5.5 Assembly of the Control Cubicle 55
4.5.6 Assembly of the Operating Mechanism Cubicles 56
4.5.7 Assembling the Insulator Column 57
4.5.8 Erecting the Double-Break Assembly 62
4.5.9 Lifting Plate 68
4.5.10 Coupling the Operating Mechanism 69
4.5.11 Connecting the Gas Pipes 70
4.6 Earthing and Connecting the Leads 72
4.6.1 Earthing 72
4.6.2 Work on High-Voltage Terminals 72
4.6.3 Connecting the Leads 73
4.7 Filling the Circuit-Breaker with Gas 74
4.7.1 Evacuating 74
4.7.2 Filling the Breaker from the Gas Cylinder 74
4.7.3 Leakage Test after Installation 76
4.8 Carrying Out Test Operations 77
4.9 Checks before Commissioning 79
4.9.1
nti-Condensation Heaters 79
4.9.2 Test of Wiring between Substation and Circuit-Breaker 79
4.9.3 Commissioning Report 79
5 Operation 81
5.1 Instructions for Operation 81
5.1.1 Closing and Opening 81
5.1.2 SF
6
Pressure 81
5.1.3 General Lockout 82
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