Miller ICE-70 Manuale d'uso - Pagina 16
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CAUTION
HITTING TORCH ON A HARD SURFACE to remove
spatter can damage torch.
•
Do not clean torch by hitting it against a hard surface.
•
Hitting hard surfaces can damage torch parts and stop proper
operation.
Install &
Connect
Gouging Tip
Equipment
Turn On
Power Source
EXAMPLE Of Gouging Operation
Use approx. 1/8 in (3 mm)
°
standoff at about a 40
angle.
Adjust torch speed, arc length and angle as needed.
Direct sparks away from torch. Do not gouge too
deeply in one pass; make repeated passes if needed.
OM-1591 Page 12
Install
Put On Personal
Safety
Equipment
Begin
Gouging
Press trigger. After 2 seconds of
preflow, pilot arc starts.
Figure 4-3. Sequence Of Plasma Arc Gouging (PAG)
T I P
AND
EL ECT RO DE
RE CO M M E NDE D VAL UE S or OP E RAT I O N
WITHOUT TIP OR ELECTRODE can damage torch.
•
Inspect retaining cup, tip, and electrode before cutting or whenever
cutting speed has been significantly reduced.
•
Do not operate torch without a tip or electrode in place.
•
Use correct standoff distance.
•
Do not cut with gouging tip.
Check Torch Tip,
Check Gas/Air
Electrode, And
Pressure
Retaining Cup
Establish arc length of 1 to 1-1/2 in
Release trigger. Postflow continues for approx.
20 to 30 seconds. Gouging arc can be instantly
restarted during postflow by pressing trigger.
WEAR
BEYO ND
Set
Controls
(25 - 38 mm), and slowly
start moving torch across metal.
Ref. ST-162 317-A / Ref. ST-161 876-B