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