ABB VersaRupter Installation, Operation And Maintanance Manual - page 51
VersaRupter MV Indoor Switch | Installation and Operation Manual
51
Replacement of Pivot Side Support Insulator
1. Follow procedures from Replacement of Contact Knife
with Draw Bar to remove the knife assembly.
2. Using a T40 Torx socket, unscrew screws (2.5) and
detach the insulator.
3. Attach the new insulator to the frame by the two self
tapping screws (2.5)
4. Attach the main contact with the contact knife to the
top of the insulator and adjust according to proce-
dures from “Replacement of Contact Knife with Draw
Bar”.
Notes:
For correct torque values see the “Torque Values for Self
Tapping Screws” section.
Do not forget to install the washer and spring washer for
the self tapping screws.
Figure 121
These operations must be carried out by
specialists only! Improper installation may
result in serious injury or death.