17
POTENTIAL PROBLEM DURING USE
Insufficient
penetration
1.
Cutting speed too high.
2.
Torch is tilted.
3.
Workpiece is too thick.
4.
Cutting current is too low.
5.
Torch parts are worn out.
Interuption of the
cutting arc
1.
Cutting speed too slow;
2.
Excessive distance between torch and workpiece;
3.
AC line too low - reduce output current;
4.
Torch parts are worn out;
5.
Non-genuine Manufacturer's parts;
6.
Work cable is disconnected;
Excessive scoria
settlement
1.
Too low cutting speed (bottom dross);
2.
Too high cutting speed (top dross);
3.
Excessive distance between torch and workpiece;
4.
Cutting current too low;
5.
Torch parts are worn out;
6.
Non-genuine Manufacturer's parts;
Tilted cutting
1.
Torch position not correct;
2.
Asymmetric wear of nozzle hole and/or wrong assemblage
of the torch parts;
Excessive wear of
the nozzle and
electrodes
1.
Air pressure too low;
2.
Exceeding system capability (material too thick);
3.
Contaminated air (humidity-oil);
4.
Excessive pilot arc arc ignitions in the air;
5.
Improperly assembled torch;
6.
torch tip contacting workpiece;
7.
damaged or loose torch head components;
8.
non-genuine Manufacturer's parts.
Summary of Contents for 20CI
Page 1: ...OPERATION MAINTENANCE INSTRUCTIONS LS0109 PLASMA CUTTER MODEL NO 20CI PART NO 6016020 ...
Page 2: ...2 ...
Page 24: ...24 WIRING DIAGRAM ...
Page 25: ...25 DECLARATION OF CONFORMITY ...
Page 26: ...26 NOTES ...
Page 27: ...27 NOTES ...
Page 28: ......
