Operation - ESAB LKA 180 Service Manual

GASLESS WIRE
When welding with gasless wire, the return current
cable must be connected to the positive terminal on the
terminal block above the wire feed unit.

OPERATION

S Connect the return current conductor clamp (E)
to the workpiece.
S When welding with solid wire, open the gas
valve (A) on the gas bottle and adjust the gas flow
by reducer valve (B).
The gas flow must be 8 − 12 litres per minute.
S Turn on the power unit and set a suitable voltage
with knob (L). The white indicating lamp (K) must
be lit.
S Hold the welding torch trigger switch (D)
pressed until filler wire is fed out through the
contact tip (F).
S
Select suitable welding data with the voltage con-
trol selector (L) and the wire feed control knob (H),
as shown in the tables on page 21 − 23.
S
Start welding. Adjust the settings if necessary.
S The yellow LED (J) on the front panel will light if the thermal overload cutout operates
as a result of overload.
The overload cutout resets automatically when the machine has cooled to a safe tempera-
ture.
Spot welding
Set potentiometer (G) to a suitable spot welding time: the time range is steplessly adjustable
from 0.2 to 2.5 seconds. The scale is graduated from 1 to 10.
Press the torch trigger switch. When the preset welding time is up, welding will be stopped
without the operator having to release the trigger switch.
Release the trigger switch and press it again to start a new welding sequence.
clka1de1
SOLID WIRE
− 20 −
clka0p10
clka1p11