bester PDE 50 - Page 48

B-13
 Push the new drive roll (3) proper for the wire diameter used and with the
groove shape proper for wire type used.
 Screw in the fastening cap.
 Cut off the end of electrode wire making sure it has no burr.
 Insert the wire into the wire drive (turning the spool clockwise) until it
reaches the Euro socket.
 Adjust optimal roll pressure with the thumbscrew of the pressure roll arm.
 Lock the pressure roll arm.
To change the drive roll of the wire drive PDE 51, you should:
 Release the pressure roll arm (6) of the wire feeder.
 Remove the screw (5), fastening the cover.
 Remove the cover (4).
 Remove the drive roll (3) from the cog (1).
 Place the wedge (2) into the groove of the cog (1).
 Push the new drive roll (3) proper for the wire diameter used and with the
groove shape proper for wire type used.
 Mount the cover (4).
 Screw in the screw (5) fastening the cover.
 Cut off the end of electrode wire making sure it has no burr.
 Insert the wire into the wire drive (turning the spool clockwise) until it
reaches the EURO socket.
 Adjust optimal roll pressure with the thumbscrew of the pressure roll arm.
 Lock the pressure roll arm.
Inserting Electrode Wire into the Welding Gun
To insert electrode wire into the welding gun, you should do the following:
 Select the welding gun with rated parameters which are compatible with the
welding source parameters and connect it to the EURO socket.
 Remove the gas nozzle and contact tip from the gun.
 Set WFS knob in its central position.