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