Hot Max Torches SPG - Manual (Page 10)

KDAR Company 9
Troubleshooting
Problem Possible Cause Action
No wire feed. 1. Machine is off or unplugged. 1. Turn on or plug in machine.
2. Selector switch not set to spool
gun. 2. Flip switch to spool gun.
3. Contact tip burn back. 3. Replace contact tip.
4. Bird nest (wire tangled in gun). 4. Remove bird nest & re-feed wire.
5. Undersized contact tip. 5. Replace with correct sized tip.
Intermittent wire feed when trigger is
pulled. 1. Wire is binding inside the gun. 1. Check that wire is properly aligned
inside the gun.
2. Drive roll has become galled with
metal. 2. Clean or replace the drive roll.
3. Wire has become kinked. 3. Manually pull wire through until
kinked section is freed.
Wire does not feed steady. 1. Wire Tension Knob not adjusted 1. Adjust tension on drive wheel by
Poor weld appearance (porosity or 1. No gas flow. 1. See below.
Oxidized surface). 2. Low gas flow. 2. See below.
3. Improper or contaminated shield-
ing gas. 3. Confirm proper gas mixture is be-
ing used. Change gas and check for
improved appearance.
4.Excessive air flow or windy envi-
ronment. 4. Change welding location or shield
the work area.
5. Wrong electrode polarity. 5. Wire for electrode positive.
No or low gas flow. 1. Out of gas. 1. Refill or replace tank.
2. Gas supply is turned off. 2. Turn on gas supply.
3. Gas supply is disconnected. 3. Connect gas supply.
4. Cable kinked or flattened. 4. Straighten cable.
5. Gas leak. 5. Find and repair leak.
6. Regulator set improperly. 6. Set flow to 30-60 SCFH.
Note: For problems that can not be corrected by following the troubleshooting proce-
dures listed above; please contact KDAR Company. NEVER attempt to work on any part
of the spool gun not listed above. Unauthorized repairs to the unit may result in danger to
the operator and will void the factory warranty.