ABB VersaRupter - Replacement of Contact Knife with Draw Bar

VersaRupter MV Indoor Switch | Installation and Operation Manual 46
Replacement of Contact Knife with Draw Bar
Ensure the VersaRupter is in the open position and both
operating springs discharged.
1. Remove the cir-clip and washer (2.1) attaching the
draw bar to the main shaft. Eccentric bolt does not
have to be loosened. See figure 109.
2. Unscrew the screw(s) (2.2) attaching the main contact
to the insulator using a T40 Torx socket, see figure
110. Remove the fixed contact with the contact knife
and draw bar shown in figure 111.
Figure 108
Figure 109
Figure 110
These operations must be carried out by
specialists only! Improper installation may
result in serious injury or death.