32
OPT/i WF gas test
& wire threading
No. Function
(1) OPT/i WF gas test & wire threading
(2) Operating status LED
lights green when the device is ready
for use
(3) Gas-test button
for setting the required gas flow rate
on the pressure regulator
- Gas will flow out for 30 s after
pressing the gas-test button.
Press the button again to stop
the gas test flow before the end
of this period
No. Function
(4) Wire retract button
retraction of wire electrode without accompanying flow of gas or current
The wire electrode can be retracted using one of two methods:
Variant 1
retracting the wire electrode using the preset wire retract speed:
- Press and hold the wire retract button
- The wire electrode will be retracted 1 mm (0.039 in.) after the wire retract but-
ton is pressed
- After a short pause, the wire-feed unit continues to retract the wire electrode.
If the wire retract button remains pressed, the speed will increase every sec-
ond at a rate of 10 m/min (393.70 ipm) until the preset wire retract speed is
reached.
Variant 2
retracting the wire electrode in 1 mm stages (0.039 in. stages) - always press the
wire retract button for less than one second (tap)
NOTE! Do not allow long lengths of wire electrode to be retracted, as the wire
electrode is not wound onto the wirespool when retracted.
NOTE! If there was a ground earth connection with the contact tip before the wire
retract button was pressed, the wire electrode will be retracted when the button is
pressed until it is short-circuit-free - it retracts by no more than 10 mm (0.39 in.)
with each press of the button.
If the wire electrode still needs to be retracted further, press the wire retract button
again.
(2)
(1)
(3)
(4)
(5)
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