Power Source; Regular Maintenance - Kemppi FastMig KM 300 Operating Manual

5. MAINTENANCE
The utilisation level of the power source and its working environment should be taken into
consideration in planning the frequency of maintenance of the machine. Appropriate use and
preventive maintenance guarantee the trouble-freest use of the equipment. This allows you to
avoid interruptions in use and increases the productivity of the machine.
5.1 Cables
Check the condition of welding and mains cables daily. Do not use damaged cables. Also
make sure that all extension cables used in the mains connection are in proper condition and
compliant with regulations.
The mains cables may be repaired and installed only by electrical contractors and installers
NOTE!
authorised to perform such operations.
5.2

Power source

Before cleaning the interior of the machine, you need to remove the case by unscrewing the
mounting screws at the top and sides of the machine.
To prevent damage, wait approximately two minutes after disconnecting the mains cable
NOTE!
before removing the machine's case.
Perform the following cleaning and maintenance at least every six months:
1. Clean the interior of the machine and the fan grill's net of any dust and stains – for
example, with a soft brush and vacuum cleaner.
• Do not use pressurised air. The stain may become compressed into the grooves of the
coolers.
• Do not use a pressure-washing device.
2. Check the electrical connections of the machine. Clean any oxidised connections, and
tighten the loosened ones.
• Check for the right tension before you start repairing the connections.
Remember that the machine may be repaired only by an electrical contractor or installer
NOTE!
authorised to perform such operations.
5.3

Regular maintenance

Authorised Kemppi service agents perform regular maintenance by agreement.
Tasks included in regular maintenance:
• Cleaning of equipment.
• Inspection and maintenance of the welding gun.
• Checking of connectors, switches, and control knobs.
• Checking of electrical connections.
• Checking of the mains cable and plug.
• Replacement of damaged or worn parts.
• Calibration testing, with adjustment of the functions and operational values of the
machine, if necessary.
© Kemppi Oy / 1152
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