Read This First - ESAB Heliarc 283i Service Manual

READ THIS FIRST

READ THIS FIRST
Maintenance and repair work must be performed by an experienced person, and electrical
work only by a trained electrician. Use only recommended replacment parts.
Thie service manual is intended for use by technicians with electrical/electronic training or
help in connection with fualt-tracing and repair.
Use the wiring diagram as a form of index for the description of operation.
Use the spare parts list as a guide to where the components are located in the equipment.
The spare parts list is published as a separate document.
This manual contains details of design changes that have been made up to and uncluding
October 2013.
The manual is valid for: Heliarc® AC/DC 283i, Heliarc® AC/DC 353i
NOTE!
The unit is tested by ESAB in a general set-up. The responsibility for safety and
function, of the specific set-up, lies with the integrator.
The Heliarc 283i and Heliarc 353i are designed and tested in accordance with international
and European standards IEC/EN 60974-1 and IEC/EN 60974-10. On completion of service
or repair work, it is the responsibility of the person(s) doing the work to ensure that the
product still complies with the requirements of the above standards.
CAUTION!
Read and understand the instruction manual before
installing or operating.
WARNING!
Personnel working with the equipment must be aware of the fact that high voltage
is present in the equipment. Parts with high voltage are not accessible during
normal operation. If the cover is opened for mainenance or other reason, parts
connected to mains such as connection terminals may be exposed.
WARNING!
High voltage is accumulated in capacitors after power has been switched off.
Always wait at least five minutes after the power is switched off, before starting
any work with the power source.
CAUTION!
Electrostatic discharge (ESD). Sensitive components such as integrated circuits
may be damaged by static electricity.
CAUTION!
Use an approved antistatic wrist strap to avoid damage to sensitive components.
Use the original packaging during transportation and storage of sensitive
components.
0464 523 010 - 3 - © ESAB AB 2016