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8. Service and Maintenance
Maintenance
The welder has been built for long periods of use with a minimum of maintenance. The
operation of the machine in the long term with satisfactory performance depends on the
correct care of the machine and its periodic cleaning.
Cleaning - unplug machine before cleaning
Periodically clean the welder using a soft cloth, preferably after each use. Keep the vents
free of dust and dirt and if they cannot be easily removed use a damp cloth with water and
a little soap. Never use solvents derived from petroleum, alcohol, etc. they can damage
the plastic parts of the machine.
Lubrication
The machine does not need additional lubrication.
Diagnostic
If the machine does not function normally, suspend its use and use the following table to
find the possible cause and its respective solution.
No output power
Absence of arc
Poor arc ignition
Poor quality of
consumed quickly
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Failure
• No power supply.
• Inappropriate fuse or breaker.
• Thermal protection in operation.
• Torch trigger damaged.
• Damaged power switch.
• Work cable, torch or switch
disconnected
• Improper ground clamp connection
• Argon with impurities
• Tungsten out of specification or
damaged.
• Contamination on the work surface
• Argon with impurities
weld bead
• Poor Argon flow
• Contaminated tungsten
Tungsten is
• High amperage
• Very thin tungsten
• Inverted polarity
• Poor Argon Flow
Possible cause
• Check connection
• Wait for the thermal protection
to stop working.
• Check cables, power switch
and torch trigger.
• Check cables, gas and
tungsten.
• Clean workpiece
• Check gas
• Check tungsten.
• Lower output current
• Use a thicker tungsten
• Use correct polarity
• Check gas
Solution
Keep Working
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