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