Lincoln Electric COOL ARC 50 Operator's Manual page 12

Maintenance
WARNING
For any repair operations, modifications or maintenances,
it is recommended to contact the nearest Technical
Service Center or Lincoln
modifications performed by unauthorized service or
personnel will cause, that the manufacturer's warranty will
become null and void.
Any noticeable damage should be reported immediately
and repaired.
Routine maintenance (everyday)

Check condition of water-cooler hoses, connections of
the power lead.

Check the welding torch / gun condition: replace it, if
necessary.

Check condition and operation of the cooling fan.
Keep clean its airflow slots.

The reservoir volume should be checked daily before
using the cooler!!

Keep the reservoir full, especially after disconnecting
the water lines or changing the accessory being
cooled.
Periodic maintenance (not less than 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.

In dirty or dusty environments or if biological growth
occurs in the coolant, it may be necessary to flush the
coolant reservoir. Drain the old coolant, rinse the
inside of the reservoir and circulate rinsing solution
through the coolant system. Add new coolant when
cleaning is finished.
WARNING
Hot coolant can burn skin. Always be sure coolant is NOT
HOT before servicing the cooler.
WARNING
Special precautions have to be taken when
the coolant is removed from the cooler
reservoir. The coolant must not be poured
out into ground water, sewerage, soil. Read
"Material Safety Data Sheet" (coolant used)
and contact the local Department of
Environmental Protection office to obtain
information on recycling coolant.
The frequency of the maintenance operations may vary in
accordance with the working environment where the
machine is placed.
WARNING
Do not touch electrically live parts.
WARNING
Before the case of machine will be removed, the machine
had to be turned off and the power lead had to be
disconnected from mains socket.
WARNING
Mains supply network must be disconnected from the
machine before each maintenance and service. After
each repair, perform proper tests to ensure safety.
English
Electric. Repairs and
Customer Assistance Policy
The business of The Lincoln Electric Company is
manufacturing and selling high quality welding equipment,
consumables, and cutting equipment. Our challenge is to
meet the needs of our customers and to exceed their
expectations. On occasion, purchasers may ask Lincoln
Electric for advice or information about their use of our
products. We respond to our customers based on the best
information in our possession at that time. Lincoln Electric
is not in a position to warrant or guarantee such advice,
and assumes no liability, with respect to such information
or advice. We expressly disclaim any warranty of any
kind, including any warranty of fitness for any customer's
particular purpose, with respect to such information or
advice. As a matter of practical consideration, we also
cannot assume any responsibility for updating or
correcting any such information or advice once it has
been given, nor does the provision of information or
advice create, expand or alter any warranty with respect
to the sale of our products
Lincoln Electric is a responsive manufacturer, but the
selection and use of specific products sold by Lincoln
Electric is solely within the control of, and remains the sole
responsibility of the customer. Many variables beyond the
control of Lincoln Electric affect the results obtained in
applying these types of fabrication methods and service
requirements.
Subject to Change – This information is accurate to the
best of our knowledge at the time of printing. Please refer
to www.lincolnelectric.com for any updated information.
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