Lincoln Electric INVERTEC 275TP Operator's Manual page 23

Gas Connection
WARNING

CYLINDER may explode if damaged.

Always fix the gas cylinder securely in an
upright position, against a cylinder wall
rack or purpose-made cylinder cart.

Keep cylinder away from areas where it
may be damaged, heated or electrical
circuits to prevent possible explosion or
fire.

Keep cylinder away from welding or other
live electrical circuits.

Never lift welder with cylinder attached.

Never allow welding electrode to touch
cylinder.

Build up of shielding gas may harm health
or kill. Use in a well-ventilated area to
avoid gas accumulation.

Close the gas cylinder valves thoroughly
when not in use to avoid leaks.
WARNING
Welding machine supports all suitable shielding gases at
a maximum pressure of 5,0 bar.
WARNING
Before use, make sure that the gas cylinder contains gas
suitable for the intended purpose.

Turn off input power at the welding power source.

Install a proper gas flow regulator to the gas cylinder.

Connect the gas hose to the regulator using the hose
clamp.

The other end of gas hose connect to the gas
connector on the power source rear panel or directly
to the quick connector located on the rear panel of
the power source.

Connect by dedicated interconnection cable (see
"Accessories" chapter) wire feeder and power source.

Turn on input power at the welding power source.

Open the gas cylinder valve.

Adjust the shielding gas flow of the gas regulator.

Check gas flow with Gas Purge function .
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Transport and Lifting
Falling equipment can cause injury and
damage to unit.
During transportation and lifting with a crane, adhere to
the following rules:

The device contains elements adapted for transport.

For lifting a suitable lifting equipment capacity.
In any way the power source cannot be lifted
Maintenance
For any repair
maintenances, it is recommended to contact the nearest
Technical Service Center or Lincoln Electric. Repairs and
modifications performed by unauthorized service or
personnel will cause, that the manufacturer's warranty
will be lost.
Any noticeable damage should be reported immediately
and repaired.
Routine maintenance (everyday)

Check condition of insulation and connections of the
work leads and insulation of power lead. If any
insulation damage
immediately.

Remove the spatters from the welding gun nozzle.
Spatters could interfere with the shielding gas flow to
the arc.

Check the welding gun condition: replace it, if
necessary.

Check condition and operation of the cooling fan.
Keep clean its airflow slots.
Periodic maintenance (every 200 working hours but
at least once a year)
Perform the routine maintenance and, in addition:

Keep the machine clean. Using a dry (and low
pressure) airflow, remove the dust from the external
case and from the cabinet inside.

If it is required, clean and tighten all weld terminals.
The frequency of the maintenance operations may vary
in accordance with the working environment where the
machine is placed.
Do not touch electrically live parts.
Before removed case, machine has to be turned off and
the power lead has to be disconnected from mains
socket.
Mains supply network must be disconnected from the
machine before each maintenance and service. After
each repair, perform proper tests to ensure safety.
21
WARNING
WARNING
WARNING
operations, modifications
exists replace the
WARNING
WARNING
WARNING
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or
lead