Lincoln Electric WF24, Operator'S Manual, Page: 11 / 158

English English 7
13. Torch Mode Switch: It enables selection of 2-step or
4-step torch mode. The functionality of 2T/4T mode is
shown in the picture below:
14. Burnback Time Control Knob: It enables to obtain the
desired length of electrode wire, which protrudes from
the tip of the torch after ending welding; adjusting
range from 8 to 250ms.
15. Cold Inch / Gas Purge Switch: This switch enables
wire feeding or gas flow without turning on output
voltage.
16. Spot Welding Time Control Knob: It enables time
control in the range from 0.2 to 10 s.
17. Gas Preflow: It determine period of time between start
of gas and start of current flow, from 0,01 to 1s.
Figure 6.
Figure 7.
18. Wire Drive: 4-Roll wire drive compatible with 37mm
drive rolls.
19. Wire Spool Support: Maximum 15kg spools. Accepts
plastic, steel and fiber spools onto 51mm spindle.
Also accepts Readi-Reel

type spools onto included
spindle adapter.
20. Fuse F1/4A (only WF24): Circuit breaker for overload
protection of the wire drive motor.
WARNING
The WF wire feeders must be used with the door
completely closed during welding.
Not use handle to move the WF during work.
Loading the Electrode Wire
Open the side cover of the machine.
Unscrew the fastening cap of the sleeve.
Load the spool with the wire on the sleeve such that the
spool turns clockwise when the wire is fed into the wire
feeder.
Make sure that the spool locating pin goes into the fitting
hole on the spool.
Screw in the fastening cap of the sleeve.
Put on the wire roll using the correct groove
corresponding to the wire diameter.
Free the end of the wire and cut off the bent end making
sure it has no burr.
WARNING
Sharp end of the wire can hurt.
Rotate the wire spool clockwise and thread the end of the
wire into the wire feeder as far as the Euro socket.
Adjust force of pressure roll of the wire feeder properly.
Trigger pressed
Trigger released
A Welding current
B Burnback time
C WFS
G Gas
Figure 5.