18
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.
Interruption 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 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 30SI
Page 1: ...OPERATION MAINTENANCE INSTRUCTIONS LS1208 PLASMA CUTTER MODEL NO 30SI PART NO 6016010...
Page 2: ...2...
Page 25: ...25 WIRING DIAGRAM...
Page 26: ...26 DECLARATION OF CONFORMITY...
Page 27: ...27 NOTES...
Page 28: ......
