![MAGNATECH Pipeliner II 609A Operating And Maintenance Instruction Manual Download Page 39](http://html1.mh-extra.com/html/magnatech/pipeliner-ii-609a/pipeliner-ii-609a_operating-and-maintenance-instruction-manual_3554107039.webp)
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Irregular wire feed, burnback.
1. Check drive roll pressure.
2.
Check,
adjust
wire
feed
speed.
3.
Clean
or
replace
contact
tip.
4. Check input line voltage for fluctuations.
5. Remove kinked electrode wire; replace wire spool.
6.
Lubricate
or
replace
conduit
liner.
Overheating welding cables.
1. Use larger cables.
2.
Check,
tighten
cable
connections.
3. Use shorter cables.
Unstable arc.
1. Check, tighten cable connections.
2. Clean weld joint areas.
3. Change contact tip.
4. Correct contact tip-to-workpiece distance.
5. Correct ARC TRIM CONTROL setting.
6. Replace low pressure Gas cylinder. Gas mixtures may
vary at low bottle pressures.
Incomplete fusion.
1. Check joint geometry preparation.
2. Shorten arc length.
3. Clean weld joint area.
4. Reduce electrode (wire) stick-out.
5.
Increase
oscillation
width
and
dwell
6.
Reduce
travel
speed.
Dirty welds.
1. Maintain gas nozzle closer to weld puddle.
2. Increase gas flow.
3. Decrease torch angle.
4. Check torch cables for gas leaks.
5. Shield arc from drafts.
6. Check gas diffuser for damage; replace.
7. Keep unused electrode wire in sealed shipping
containers.
8. Clean weld joint area.
Arc blow.
1. Rearrange or split ground connection.
2. Demagnetize workpiece.
Excessively wide bead.
1. Reduce power.
2. Increase welding speed.
3. Shorten arc length.
Porosity in welds.
1. Keep unused electrode wire in sealed shipping
containers.
2. Clean weld joint areas.
3. Hold gas cup closer to work.
4. Increase gas flow.
5. Decrease torch angle.
6. Check torch and cables for air, water leaks.
7. Shield arc from drafts.
8. Check gas cup for damage; replace.
Summary of Contents for Pipeliner II 609A
Page 12: ...9...
Page 13: ...10...
Page 27: ...24...
Page 34: ...31...
Page 40: ...37 Undercutting 1 Reduce power 2 Reduce welding speed 3 Shorten arc length...
Page 43: ...40 Remote Pendant...
Page 46: ...43 14 0 ELECTRODE EXTENSION OFTEN NEGLECTED WHEN USING SELF SHIELDED CORED WIRES...
Page 47: ...44...
Page 48: ...45...
Page 49: ...46 15 0 PREVENTING THE EFFECTS OF MOISTURE CONTAMINATION OF FLUX CORE WIRE...
Page 50: ...47...