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OPERATION - TIG
Before starng any welding acvity ensure that you have suitable eye protecon and
protecve clothing. Also take the necessary steps to protect any persons within the welding
area.
TIG torch trigger operaon steps
Cycle mode
The cycle ↕↕ (□) LED light will illuminate when the power source is in repeang mode, upon pressing the
torch trigger switch the gas valve opens and aer the pre ow me ends, HF discharge will engage the
welding arc. Once the welding arc is ignited successfully, the inial current is present then aer the
operator releases the torch switch the
welding current rises up to the preset
welding current value gradually
(depending on preset upslope me).
When the torch switch is pressed down
again, the current begins to drop
gradually to the nal current arc value.
When the torch switch is released again,
the current will rise gradually up to the
welding current value again. ‘Cycle’
means the welding current varies
between the nal arc current value and
the welding current value.
To exnguish the welding arc, press and release the torch trigger briey (within 1/5 of a second) and the
arc will be exnguished immediately and the current output will be shut o. The gas valve will then close
when the post ow me ends and the welding process ends.
Spot welding mode
The spot ••• LED will illuminate when the
power source is in spot welding mode.
To set the spot welding me seng, refer
to page 24 for selecng and seng the
spot me.
On pressing the torch trigger, gas will ow
and at the end of the gas pre ow me HF
will iniate the welding arc.
Once the welding arc is ignited the
welding current is present and no maer
if the torch switch is on or o the machine
will sll oer welding current unl the
preset spot welding me the user set has
med out and then the welding arc will be exnguished. The gas will connue unl the post ow me
ends when the welding process ends.
Please note:
Spot welding can only be carried out in HF TIG mode only.