Lincoln Electric LF 52D Operator's Manual page 31

Transport and Lifting
Falling equipment can cause injury and
damage to unit.
During transporting and lifting with a crane, adhere to the
following rules:

For lifting a suitable lifting equipment capacity.

Dedicated handle [13] can be used to lifting and
transporting using a crane only. This solution
enables welding while lifting the feeder.
Figure 17
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13
Maintenance
For any repair operations, modifications or maintenances,
it is recommended to contact the nearest Technical
Service Center or
modifications performed by unauthorized service or
personnel will cause the lost of the manufacturer's
warranty.
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 the case of machine will be removed, the
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.
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Lincoln Electric. Repairs
exists replace the
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and
lead
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