Maintenance And Cleaning; Cleaning The Wire Guide - Kemppi A7 MIG Gun 500-g Operating Manual

12.3 Maintenance and cleaning

Scheduled maintenance and cleaning are prerequisites for
a long service life and trouble-free operation.
Once a month, thoroughly clean the robot mount to
remove all dirt and welding spatter.
Risk of injury due to unexpected start-up
For the entire duration of maintenance, servicing,
unmounting, and repair work, the following instructions
must be adhered to:
• Switch off the power supply.
• Cut off the compressed air supply.
• Pull the power plug.
Electric shock
Dangerous voltages can be produced because of defective
cables.
• Check all live cables and connections for proper
installation.
• Replace any parts that have suffered damage,
deformation, or wear.
The maintenance intervals listed are recommended
values and assume single-shift operation.
• Maintenance and cleaning work may only be
carried out by qualified and trained specialists.
• Always wear your personal protective clothing
when performing maintenance and cleaning
work.
• Remove adhering welding spatter.
• Check all screw joints for a tight fit.
• The maintenance intervals listed are
recommended values and assume single-shift
operation.

12.3.1 Cleaning the wire guide

This section describes how to clean the wire guide.
Risk of injury
Serious injuries can be caused by parts articulating rapidly.
When cleaning the wire guide with compressed air, wear
suitable protective clothing – in particular, safety goggles.
Proceed as follows:
1. Unscrew the hose assembly from the machine side,
and lay it straight.
2. Unscrew the retaining nut, and pull out the wire
liner or PA liner.
3. Clean the wire feed hose from both sides with
compressed air.
4. Slide the adjusted wire liner or PA liner into the wire
feed hose, and secure with a retaining nut.
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© Kemppi Oy 2016 A7 MIG Gun 500-g 1616