ESAB ESP-50, Instruction Manual

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4.2 CoMMoN CuTTINg ProBlEMS
Listed below are common cutting problems followed by the probable cause of each.
If problems are determined to be caused by the ESP-50, refer to the maintenance
section of this manual. If the problem is not corrected after referring to the mainte-
nance section, contact your ESAB distributor.
a. Insufficient Penetration.
1. Current too low.
. Cutting speed too fast.
. Damaged cutting nozzle.
4. Improper air pressure.
5. Low air flow rate.
B. Main arc Extinguishes.
1. Cutting speed too slow.
. Worn electrode.
C. Dross formation. (In some materials and thicknesses, it may be impossible
to get dross-free cuts.)
1. Current too low.
. Cutting speed too fast or too slow.
. Improper air pressure.
4. Faulty nozzle or electrode.
5. Low air flow rate.
D. Double arcing. (Damaged Nozzle orifice.)
1. Low air pressure.
. Damaged cutting nozzle.
. Loose cutting nozzle.
4. Heavy spatter accumulation on nozzle.
E. uneven arc.
1. Damaged cutting nozzle or worn electrode.
f. unstable Cutting Conditions.
1. Incorrect cutting speed.
. Loose cable or hose connections.
. Electrode and/or cutting nozzle in poor condition.
g. Main arc Does Not Strike.
1. Worn electrode.
. Loose connections.
. Work cable not attached.
H. Poor Consumable life.
1. Improper gas pressure.
. Contaminated air supply.
. Low air flow rate.
SECTIoN 4 oPEraTIoN