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Kemppi A5 TIG Orbital System 75 Manual

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A5 TIG Orbital System 75© Kemppi Oy 2016 1615
OPERATING MANUAL
Weld head jam. The horseshoe shaped rotor
does not turn. Possible cause: debris in the
drive train. Open the head and look for
foreign material.
Weld head too hot. The temperature limit of
the head has been reached. Possible cause:
duty cycle too high. Let head cool between
welds, or install a water cooler.
Other error warnings are identied by the
following screen and a number. Contact
Kemppi if necessary.
5.3 Common weld defects
Problem Possible solution
Excessive weld oxidation (blue color)
or porosity
• Contaminated or improper gas
• Oil, dirt or other contaminant on tube ID/OD.
• Hole in gas line aspirating air
• Gas ow rate ID or OD too low
• Industrial grade gas inadequate. Use high purity
Melt-through during welding • Wall thickness less than programmed. Correct.
• Tube ends not in tight contact during welding.
Use tube-squaring tool.
Completed weld not straight • Tube ends not square. Use tube-squaring tool.
6. MAINTENANCE
When considering and planning routine maintenance, please consider the frequency of
machine use and the working environment.
Correct operation of the machine and regular maintenance will help you avoid unnecessary
downtime and equipment failure.
Disconnect the machine from the mains before handling the electrical cables.
6.1 Daily maintenance
Check gas connections and cable / connector condition daily before use. Clean weld head
arc chamber regularly. Change the electrodes when thy wear out.
6.2 Periodic maintenance
Periodic maintenance should only be carried out by a suitably qualied person.
Disconnect the plug of the machine from the mains socket and wait about 2 minutes
(capacitor charge) before removing any parts.
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