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