Introduction - ESAB LKA 180 Service Manual

INTRODUCTION

This service manual is intended for use by technicians with electrical training when carrying
out fault tracing and repair of the equipment.
At the end of the manual, there is a brief guide to using the machine in order to assist in
understanding the machine.
The manual contains all design modifications introduced up to and including September
2004.
Use the diagrams in the manual when tracing faults. The machine components are described
in alphabetical order on the pages foregoing the connection diagram.
The LKA 180 and 240 are designed and tested in accordance with international
standard EN 60974−1, EN 50199.
On completion of service or repair work, it is the responsibility of the person(s) etc.
performing the work to ensure that the product does not depart from the requirements
of the above standard.
ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU-
TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER'S SAFETY PRACTICES WHICH SHOULD BE
BASED ON MANUFACTURERS' HAZARD DATA.
ELECTRIC SHOCK − Can kill
S Install and earth the welding unit in accordance with applicable standards.
Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
S
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is safe.
FUMES AND GASES − Can be dangerous to health
S Keep your head out of the fumes.
S Use ventilation, extraction at the arc, or both, to keep fumes and gases from your breathing zone and
the general area.
ARC RAYS − Can injure eyes and burn skin.
S Protect your eyes and body. Use the correct welding screen and filter lens and wear protective
clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
MALFUNCTION − Call for expert assistance in the event of malfunction.
READ AND UNDERSTAND THE OPERATING MANUAL BEFORE INSTALLING OR OPERATING.
Rights reserved to alter specifications without notice.
clka1−e1
WARNING
PROTECT YOURSELF AND OTHERS!
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