Rem ove the five screws the bar holder.1050 1SFC 380023-en. Disconnect the flexibar from the contactor
10.
11. it’ only three screws the front the bar
holder, the other two screws are the bottom..
Go step 17
9.. Rem ove the cables from contactor coil.470 1SFC 380003-89..exchange the Main Contacts, Arc Chutes or
Coils see Operating instruction for Contactors.
.
12.
For PSTB570..
13. Unfasten the six hex socket head cap screws.
For PSTB370
