Complete Parts List available at www.MillerWelds.com
OM-282374 Page 45
6-8.
Stick Start Procedure
−
Scratch Start Technique
With Stick selected, start arc as
follows:
1
Electrode
2
Workpiece
3
Arc
Drag electrode across workpiece
like striking a match; lift electrode
slightly after touching work. If arc
goes out electrode was lifted too
high. If electrode sticks to
workpiece, use a quick twist to free
it.
1
2
3
6-9. Lift-Arc
t
TIG With Auto-Stop
t
And Auto-Crater
t
WM Marketing
Arc Start With Lift-Arc
Arc End With Auto-Crater
Arc End With Auto-Stop
1
2
1
2
2
1
3
3
4
Arc Start With Lift-Arc TIG
Lift-Arc is used for the DCEN
GTAW process when HF Start
method is not permitted.
Select Lift-Arc at Process/Contac-
tor switch.
Turn gas on.
1
Touch or scratch.
2
Lift at any angle.
Touch tungsten electrode to
workpiece at weld start point.
Slowly lift electrode. Arc is started
when electrode is lifted.
Maintain shielding gas coverage
and eliminate tungsten and work-
piece contamination by using
Auto-Crater or Auto-Stop to end
the arc.
See Section 6-5 to adjust
Auto-Stop and Auto-Crater.
Arc End With Auto-Stop:
1
While welding.
2
Lift torch to start Auto-Stop.
Arc stops.
3
Move torch back down to
maintain gas coverage and
prevent contamination.
Arc End With Auto-Crater:
Remote control is not needed
when using Auto-Crater.
1
While welding.
2
Lift torch slightly to start
Auto-Crater end (current is
reduced).
3
Lower torch. Weld current
ramps down.
4
Shielding gas continues until
shut off.
Miller recommends Hobart
filler metals.
OR
Содержание Big Blue 800 X Duo Air Pak
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Страница 77: ... Complete Parts List available at www MillerWelds com OM 282374 Page 73 Notes ...
Страница 78: ...OM 282374 Page 74 SECTION 12 ELECTRICAL DIAGRAMS Figure 12 1 Circuit Diagram For Welder Generator ...
Страница 79: ...OM 282374 Page 75 281933 C ...