5 OPERATION
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© ESAB AB 2023
5.5 Turning the mains power on/off
Turn on the mains power by turning switch to the ”I” position.
Turn the unit off by turning the switch to the ”O” position.
Whether the mains power supply is interrupted or the power source is switched off in the normal
manner, weld programs will be stored so that it is available next time the unit is started.
CAUTION!
Do not turn off the power source during welding (with load).
5.6 Bobbin brake
The bobbin brake force should be increased just enough to prevent wire feed overrun. The actual
brake force needed, is dependent of the wire feed speed and the size and weight of the bobbin spool.
Do not overload the bobbin brake! A too high brake force may overload the motor and reduce the
welding result.
The bobbin brake force is adjusted using the 6 mm hexagon Allen screw in the middle of the brake
hub nut.
5.7 Changing and loading wire
1) Open the left door of the power source
2) Untighten and remove the brake hub nut and remove the old wire spool.
3) Insert a new wire spool into the unit and straighten out the new welding wire 10–20cm. File away
burrs and sharp edges from the end of the wire before inserting it into the feeder mechanism.
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