Manual 0-4691 5-5 SERVICE
5
5.02 Common Faults
1. Insufficient Penetration
a. Cutting speed too fast
b. Torch tilted too much
c. Metal too thick
d. Worn torch parts
e. Cutting current too low
f. Non - Genuine Thermal Dynamics parts used
g. Incorrect gas pressure
2. Main Arc Extinguishes
a. Cutting speed too slow
b. Torch standoff too high from workpiece
c. Cutting current too high
d. Work cable disconnected
e. Worn torch parts
f. Non - Genuine Thermal Dynamics parts used
3. Excessive Dross Formation
a. Cutting speed too slow
b. Torch standoff too high from workpiece
c. Worn torch parts
d. Improper cutting current
e. Non - Genuine Thermal Dynamics parts used
f. Incorrect gas pressure
4. Short Torch Parts Life
a. Oil or moisture in air source
b. Exceeding system capability (material too thick)
c. Excessive pilot arc time
d. Gas pressure too low
e. Improperly assembled torch
f. Non - Genuine Thermal Dynamics parts used
5. Difficult Piloting
a. Worn torch parts
b. Non - Genuine Thermal Dynamics parts used
c. Incorrect gas pressure
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