ABB VersaRupter Installation, Operation And Maintanance Manual - page 55
Manual is about: MV Indoor Switch 4.76-38 kV, 200-1200 A, 40 & 61 kA
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VersaRupter MV Indoor Switch | Installation and Operation Manual
55
Replacement of Parts 38 kV
Replacing the lower insulator
Ensure the VersaRupter is open and the A-mechanism is not
charged (if equipped).
1. Remove the contact, item 2 in figure 128, from the
lower insulator.
2. The insulator can be removed by unscrewing bolt 3 in
figure 128.
3. Screw the new insulator back onto the frame with bolt
3.
4. Replace the contact, item 2, with the bolts removed
from step 1.
5. Ensure the contact blades align properly.
Figure 128
These operations must be carried out by
specialists only! Improper installation may
result in serious injury or death.