Manual 0-2577 13 OPERATION
Problem
Insufficient
Penetration
Main Arc
Extinguishes
Excessive
Dross Formation
Short Torch
Parts Life
Possible Cause
1. Cutting speed too fast
2. Torch tilted too much
3. Metal too thick
4. Worn torch parts
5. Cutting current too low
1. Cutting speed too slow
2. Torch standoff too high from workpiece
3. AC line too low - reduce output current
4. Work cable disconnected
5. Worn torch parts
1. Cutting speed too slow (bottom dross)
2. Cutting speed too fast (top dross)
3. Torch standoff too high from workpiece
4. Worn torch parts
5. Improper cutting current
1. Oil or moisture in air source
2. Exceeding system capability (material too thick)
3. Excessive pilot arc time
4. Air flow too low (incorrect pressure)
5. Improperly assembled torch
Common Cutting Faults
Table 3-B Common Causes of Operating Problems
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