Welbach ALPHA 225 Manuel D'utilisation page 43

OPERATION
Note:
Before beginning, please read and understand all the safety precautions staring on and
especially the section "Specific Safety Rules" starting on.
1. Connect the TIG torch control, cable plug, and gas outlet hose. Twist to lock in
place.
2. Plug the cable of the Grounding Clamp into the welder and secure the clamp to a
clean, exposed metal part of the workpiece.
(Refer to parts diagram above for Torch Handle components.) Direct torch away
from people and flammables while you press (and hold) the Torch Handle
Trigger (2A) to energize the Torch Electrode (4A). The air output is delayed a few
seconds to enable a proper arc to begin.
Caution:
The Torch handle is now energized. Be careful not touch anything else with the Torch
except the workpiece to be welded.
EN
Part Description
1A Long Back Cap
2A Short Back Cap
3A1 Collet 1/16" (1.6mm)
3A2 Collet 2/25" (2.0mm)
3A3 Collet 3/32" (2.4mm)
3A4 Collet 1/8" (3.2mm)
4A Torch Handle
5A Collets Housing
6A1 Ceramic Nozzle size 4; 10N50 1
6A2 Ceramic Nozzle size 5; 10N49 1
6A3 Ceramic Nozzle size 6; 10N48 1
6A4 Ceramic Nozzle size 7; 10N47 1
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3. Assemble the desired accessories and rod inside the tip of the TIG Torch handle.
a. Unscrew the Ceramic Nozzle (6A) on the Torch Handle (4A).
b. Unscrew the Collect Housing (5A).
c. Place a 5/32" prepared tungsten welding rod (not included) into the torch.
d. Screw the Collect Housing and Ceramic Nozzle back onto the Torch.
4. Connect a hose and coupling from the gas regulator on an Argon gas tank (none
included) to the Argon Gas Inlet on the back of the unit. Follow the gas
cylinder manufacturer's instructions for set-up and use.
5. Verify that the Power Switch is in the off position, then plug the 230/410V~line cord
plug into an appropriate 230/410V~outlet., and then turn Power Switch of the
Qty
power supply UP to the ON position.
1
6. Turn the SELECTION PAR. /FORCE AMP" (4#.) and "ADJUSTMENT
1
PAR. /DCR AMP. (5#.) to meet the needs of the job.
1
7. When everything is in place for welding press the torch and orient yourself to
1
one side of the area to be welded, and move the Welding Helmet Face Shield (not
1
included) over your eyes.
1
8. Hold the Trigger down and tilt the torch forward. Keep a constant distance
1
between the torch and the workpiece but do not contact it.
1
DANGER!
To prevent serious injury and death: The TIG Welder will immediately turn on when
the trigger is held down. When the operator is not holding the Torch, it must be
sitting on a nonconductive, nonflammable surface.
9. If too much current is drawn from the welder; the Thermal Overload protector
will activate, the Overload indicator will light, and the welder will turn off until it
cools down. It will automatically reset.
Arc (stick) Connection
1. Connect the Electrode Clamp and Cable to the torch control connector
and twist to lock in place.
2. Plug the cable of the Grounding Clamp into the DC ground connector and
secure the clamp to a clean, exposed metal part of the workpiece.
3. Place the metal portion of the welding rod inside the jaws of the Electrode
Clamp. Welding rod types vary for welding different metal
EN
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