ABB VBF Series - Dismantling and Replacement Procedures; Shunt Release Replacement

55
Dismantling of Operating Coils Setup
Fig. 5
Unscrew the fixing screw of the release group mount
Withdraw the release group mount from
the front of the operating mechanism. For
assembly, proceed in the reverse order.
Fig. 6
FOR ASSEMBLY, PROCEED IN REVERSE ORDER
YO2 SHUNT OPENING RELEASE
Unscrew the four coil fixing screws
(14) and withdraw the relative YC
coil (15).
Unscrew the four coil fixing screws
(19) and withdraw the relative YO1
coil (18).
Steps for replacement of shunt opening release (Yo2)