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