11 Disassembly
Fault
Cause
Poor cutting
• Air pressure too low
performance
• Cutting edge dirty
• Sluggish slide owing to bad or
• Blunt cutting edge
Free wire end is
• Wire not lying against fixed jaws
bent
• Counter support is jammed
No signal with the
• Proximity switch loose or faulty
end position sensing
• Cable loose or faulty
option
Tab. 9
Troubleshooting
11 Disassembly
EN - 18
inadequate maintenance
DANGER
Risk of injury due to unexpected start-up
The following instructions must be adhered to throughout all maintenance,
servicing, assembly, disassembly and repair work:
• Switch off the power supply.
• Close off the compressed air supply.
• Switch off the entire welding system.
• Disconnect the mains plug.
NOTE
• Disassembly must only be carried out by qualified personnel (in
Germany see TRBS 1203).
• Observe the information provided in section
8 Putting out of operation on page EN-15.
1 Loosen the screws and remove the DAV from the torch cleaning station.
Solution
• Check setting on pressure regulator:
min. 6 bar/max. 8 bar
• Clean cutter
• Remove and clean moving parts
• Lubricate the DAV with a suitable
lubricant
• Clean more often
• Change approach position of point
of cut
• Replace cutter
• Correct start position with robot
control
• Remove and clean moving parts
• Lubricate the DAV
• Reposition and clamp in place
• Replace
DAV