ii
1HDB 050016-YN-A
13. Mounting of Operating Mechanism
For Earthing Switch ...................................................................... 44
13.1 Direct Mounting .................................................................... 44
13.2 Separate Mounting ............................................................... 46
14. Mounting of Earthing Switch ........................................................ 54
14.1 Earthing Switch Poles in Parallel ........................................... 54
14.2 Earthing Switch Poles in Series
And Mounting on Individual Disconnector Poles ................... 64
15. Mounting of Mechanical Interlocking .......................................... 76
16. Commissioning and De-commissioning ................................... 78
16.1 Commissioning of Disconnector ........................................... 78
16.2 Commissioning of Earthing Switch ....................................... 78
16.3 Commissioning of Operating Mechanism
Of Disconnector .................................................................. 78
16.4 Commissioning of Operating Mechanism
For Earthing Switch ............................................................. 78
16.5 De-commissioning ............................................................. 79
17. Maintenance ................................................................................ 80
17.1 Treatment of Contact Surface and Intersection Surface ....... 81
17.2 Disconnector ....................................................................... 82
17.3 Earthing Switch ................................................................... 84
18. Spare Parts .................................................................................. 88
18.1 Order Information ............................................................... 88
18.2 Disconnector ...................................................................... 89
18.3 Earthing Switch .................................................................. 89
19. Lists of Item Numbers ................................................................ 90
19.1 Item Numbers .................................................................... 90
19.2 Connecting Sets ................................................................ 92
20. Index ........................................................................................... 97
21. Client’s Comments ..................................................................... 101