12.. Unfasten the six hex socket head cap screws.470 1SFC 380003-89. it’ only three screws the front the bar
holder, the other two screws are the bottom.
13.
For PSTB570.
.
For PSTB370.. Disconnect the flexibar from the contactor
10. Rem ove the cables from contactor coil.. Rem ove the five screws the bar holder.
11..
Go step 17
9.1050 1SFC 380023-en.exchange the Main Contacts, Arc Chutes or
Coils see Operating instruction for Contactors
