Maxus MXW308 Manual De Instrucciones De Operación Y Partes página 11

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Symptom
Bead is intermittently 1. Inconsistent travel speed
too thin 2. Output heat setting too low
Bead is intermittently 1. Slow and/or inconsistent travel speed
too thick 2. Output heat setting too high
Ragged depressions at 1. Travel speed too fast
edge of weld 2. Wire speed too fast
3. Output heat setting too high
Weld bead does not 1. Inconsistent travel speed
penetrate base metal 2. Output heat setting too low
3. No or low shielding gas
4. Wrong shielding gas (aluminum)
5. Extension cord is too long
6. (Aluminum) Possible oxide buid-up on
Wire sputters and 1. Damp wire
sticks 2. Wire speed too fast
3. Wrong type of wire
4. No or low shielding gas
Notes
Troubleshooting Chart - Welds
Possible Cause(s)
surface
Models MXW308, MXW309 and MXW413
Corrective Action
1. Decrease and maintain constant travel speed
2. Increase output heat setting
1. Increase and maintain travel speed
2. Reduce output heat setting
1. Decrease travel speed
2. Decrease wire speed
3. Reduce output heat setting
1. Decrease and maintain constant travel speed
2. Increase output heat setting
3. Use gas for MIG process or refill bottle
4. Use only 100% Argon gas
5. Never use an extension cord longer than 20 ft
6. Clean surface thoroughly with a stainless steel brush
only
1. Use dry wire and store in dry location
2. Reduce wire speed
3. Use flux-cored wire when not using gas
4. Use gas for MIG process or refill bottle
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