Operation, Wire feed speed knob, Wfs calibration with digital meters – Lincoln Electric IM960 RED-D-ARC LN-25 PRO EXTREME User Manual
Page 19

3. WIRE FEED SPEED KNOB
The large, calibrated wire feed speed knob makes
for easy and accurate adjustment of the wire feed
speed. The knob rotates 3/4 turn. Turn the knob
clockwise to increase the wire feed speed, and
counter clockwise to reduce the wire feed speed.
The digital displays show the wire feed speed on
the display.
Wire Feed Speed, CV Operation
When Across the Arc models are operated with CV
power sources, the wire feed speed will remain a con-
stant value, independent of arc voltage changes, as
along as the arc voltage does not drop below the val-
ues per the following table:
CV Operation
Maximum WFS Minimum Arc Volts
280 15 V
340 17 V
440 21 V
520 24 V
600 27 V
B-4
OPERATION
B-4
RED-D-ARC LN-25™ PRO EXTREME
WIRE FEED SPEED UNITS
Rotate the WFS knob to
the left to use “inch-
es/minute” for the wire
feed speed units.
Rotate the WFS knob to
the right to use
“meters/minute” for the
wire feed speed units.
Press the set-up button again.
US
A
O O
O O WFS
U o
r
E
A
O O
O O WFS
WFS CALIBRATION WITH DIGITAL
METERS
To calibrate the wire feed speed, before entering the
set-up menu:
Set the display to the desired wire feed speed (exam-
ple: 400 inches per minute)
Measure the actual wire feed speed (example: 405
inches per minute)
While in the set-up menu, adjust the calibration factor
as follows:
Actual WFS
405
Set WFS
400
Press the set-up button to exit the set-up menu.
=Calibration Factor Example
=1.01