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