Harbor Freight Tools 61849 User Manual - Page 23

Wire Feed Motor Runs But Wire Does Not Feed Properly

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SAFETY Troubleshooting IMPORTANT! Be CERTAIN to shut off the Welder, disconnect it from power, and discharge the Gun to ground before adjusting, cleaning, or repairing the unit. Wire Feed Motor Runs But Wire Does Not Feed Properly POSSIBLE CAUSES AND SOLUTIONS 1. Insufficient wire feed tension: Increase wire feed tension properly - follow number 16 on page 11. 2. Incorrect wire feed roll size: Replace with the proper wire feed roll - follow the Wire Spool Installation instructions, starting on page 8. Flip over wire feed roll if necessary. 3. Damaged Gun, cable, or liner assembly: Have a qualified technician inspect these parts and replace as necessary. SETUP BASIC WELDING Wire Creates A Bird's Nest During Operation POSSIBLE CAUSES AND SOLUTIONS 1. Excess wire feed tension: Adjust wire feed tension properly - follow number 16 on page 11. 2. Incorrect contact tip size: Replace with the proper tip for the wire. 3. Gun end not inserted into drive housing properly: Loosen gun securing bolt and push gun end into housing just enough so that it does not touch wire feed mechanism. 4. Damaged liner: Have a qualified technician inspect and repair/replace as necessary. WELDING TIPS Wire Feeds, But Arc Does Not Ignite POSSIBLE CAUSES AND SOLUTIONS 1. Improper ground connection: Make certain that the workpiece is contacted properly by the Ground Clamp and that the workpiece is properly cleaned near the ground clamp and the welding location. 2. Improperly sized or excessively worn Contact Tip: Verify that Contact Tip is the proper size for the wire. Check that the hole in the tip is not deformed or enlarged. Also, check that the tip is not dirty; this would prevent a good connection. If needed, replace Contact Tip with proper size and type. MAINTENANCE Power Switch Lights, But Welder Does Not Function When Switched On POSSIBLE CAUSES AND SOLUTIONS 1. Tripped thermal protection device: Shut the Welder's switch to off and allow it to cool for at least 20 minutes. Reduce duration or frequency of welding periods to help reduce wear on the Welder. Refer to Duty Cycle section on page 14. 2. Faulty or improperly connected Trigger: Qualified technician must check and secure/replace Trigger. Item 61849 For technical questions, please call 1-888-866-5797. Page 23

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Page 23
For technical questions, please call 1-888-866-5797.
Item 61849
Troubleshooting
IMPORTANT!
Be CERTAIN to shut off the Welder, disconnect it from power, and discharge the Gun to ground
before adjusting, cleaning, or repairing the unit.
Wire Feed Motor Runs But Wire Does Not Feed Properly
POSSIBLE CAUSES AND SOLUTIONS
1.
Insufficient wire feed tension:
Increase wire feed tension properly – follow number 16 on page 11.
2.
Incorrect wire feed roll size:
Replace with the proper wire feed roll – follow the
Wire Spool Installation
instructions, starting on page 8.
Flip over wire feed roll if necessary.
3.
Damaged Gun, cable, or liner assembly:
Have a qualified technician inspect these parts and replace as necessary.
Wire Creates A Bird’s Nest During Operation
POSSIBLE CAUSES AND SOLUTIONS
1.
Excess wire feed tension:
Adjust wire feed tension properly – follow number 16 on page 11.
2.
Incorrect contact tip size:
Replace with the proper tip for the wire.
3.
Gun end not inserted into drive housing properly:
Loosen gun securing bolt and push gun end into housing just enough
so that it does not touch wire feed mechanism.
4.
Damaged liner:
Have a qualified technician inspect and repair/replace as necessary.
Wire Feeds, But Arc Does Not Ignite
POSSIBLE CAUSES AND SOLUTIONS
1.
Improper ground connection:
Make certain that the workpiece is contacted properly by the Ground Clamp and that the
workpiece is properly cleaned near the ground clamp and the welding location.
2.
Improperly sized or excessively worn Contact Tip:
Verify that Contact Tip is the proper size for the wire.
Check that the hole in the tip
is not deformed or enlarged.
Also, check that the tip is not dirty; this would prevent a
good connection.
If needed, replace Contact Tip with proper size and type.
Power Switch Lights,
But Welder Does Not Function When Switched On
POSSIBLE CAUSES AND SOLUTIONS
1.
Tripped thermal protection device:
Shut the Welder’s switch to off and allow it to cool for at least 20 minutes.
Reduce duration or frequency of welding periods to help reduce wear on the Welder.
Refer to
Duty Cycle
section on page 14.
2.
Faulty or improperly connected Trigger:
Qualified technician must check and secure/replace Trigger.
SAFETY
MAINTENANCE
BASIC WELDING
WELDING TIPS
SETUP