ESAB POWERCUT-1250, Instruction Manual

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WHEN THE ARC BREAKS
THROUGH THE WORK,
BRING THE TORCH TO AN
UPRIGHT POSITION AND
PROCEED TO CUT.
TO START A PIERCE, TILT THE
TORCH TO PREVENT MOLTEN
MATERIAL FROM COMING BACK
AGAINST AND DAMAGING THE
TORCH.
1
2
Figure 3-5. Piercing Technique using the PT-32EH
3.4 POSSIBLE CUTTING ISSUES
Drag cutting, even with lower current
levels may significantly reduce the life
of torch consumables. Attempting to
Drag Cut with higher currents greater
than (40 amps) may cause immediate
catastrophic consumable damage.
Figure 3-6. Electrode Wear Limit
NOTE: When replacing the nozzle, always inspect the electrode for wear. If
more than .06" of electrode Hafnium has eroded, replace the
electrode. If the electrode is used beyond this recommended wear
limit, damage to the torch and power source may occur. Nozzle life
is also greatly reduced when using the electrode below the recom-
mended limit.
REPLACE ELECTRODE BEFORE
PITTING BECOMES DEEPER THAN
.06 INCH (1.5 MM)
Replace when eroded
beyond
.06"(1.5mm) Depth.
NEW
WORN
3.3.1. Drag Cutting with the PT-32EH Torch / PowerCut package.
LOW CURRENT AUTO-DRAG FEATURE
If drag cutting is desired for thin material under 3/8" thick, remove the
standard 70 / 90 amp nozzle from the PT-32EH torch and install ESAB's 40
amp nozzle (P/N 0558002908).
Lower the current level setting to be
within the AUTO-DRAG range of 20 to 40 amps (see Auto Drag Scale on
front panel) . Then follow steps in Section (3.3). Also refer to PT-32EH
Instruction Manual No. F-15-440.
HIGH CURRENT DRAG CUTTING
If drag cutting is desired on materials above 3/8” thick, be sure that the 70 amp
(P/N 0558002618) / 90 amp nozzle (P/N 0558002837) is installed in the PT-
32EH torch. Attach ESAB's stand-off guide (P/N 0558002393) and operate
as shown in Figure 3.4.
SECTION 3 OPERATION