Duralloy 171 MULTIMIG, Руководство пользователя, Страница: 7 / 22

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7
171
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MULTIMIG
OWNER’S MANUAL
INSTALLATION
continued
5.1.4.3 Connect Torch Connection Power Lead (14) to the
positive (+) welding output terminal (12)
5.1.4.4 Connect Earth Lead Quick Connector (28) to the
negative (-) output welding terminal (13). See picture below
5.1.4.5 Connect Earth Clamp (27) to the work piece.
Contact with workpiece must be strong contact with
clean, bare metal, with no corrosion, paint or scale at the
contact point.
5.1.4.6 Connect the gas regulator and gas line to the inlet
on the rear panel (15). If the regulator is equipped with
a flow gauge, the flow should be set between 8 – 15 L/
minute depending on application. If gas regulator is not
equipped with a flow gauge, adjust pressure so gas can
just be heard coming out of the torch conical nozzle (29).
It is recommended that gas flow is checked again, just
prior to starting weld this can be done by triggering the
MIG torch with the unit powered up.
Connection of Shield Gas
Connect the CO2 hose, which come from the wire feeder
to the copper nozzle of gas bottle. The gas supply system
includes the gas bottle, the air regulator and the gas hose, the
heater cable should be inserted into the socket of machine’s
back, and use the hose clamp to tighten it to prevent leaking
or air-in, so that the welding spot is protected.
Please note:
1.
Leakage of shielding gas affects the performance of arc
welding.
2.
Avoid the sun shine on the gas cylinder to eliminate the
possible explosion of gas cylinder due to the increasing
pressure of gas resulted from the heat.
3.
It is extremely forbidden to hit gas cylinder and lay the
cylinder horizontally.
4.
Ensure no person is up against the regulator, before the
gas release or shut the gas output.
5.
The gas output volume meter should be installed
vertically to ensure the precisely measuring.
6.
Before the installation of gas regulator, release and shut
the gas for several time in order to remove the possible
dust on the sieve to avail the gas output.
Note: Since the arc of MIG welding is much stronger than
that of MMA welding, please wear welding helmet and
protective clothing.