Harbor Freight Tools 55167 Troubleshooting, Wire feed motor runs butwire does not feed properly

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Troubleshooting

Important!

Be CERTAIN to shut off the Welder, disconnect it from power, and discharge the torch to ground before adjusting, cleaning, or repairing the unit.

Wire feed motor runs butwire does not feed properly

Possible Causes and Solutions

1.Insufficient wire feed pressure:

Increase wire feed pressure properly - follow steps 12-15 on page 13.

2.Incorrect wire feed roll size:

Replace with the proper one - .8 mm (.030”) - follow the Installing The Wire Reel instruc- tions, starting on page 12.

3.Damaged torch, 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 pressure:

Adjust wire feed pressure properly - follow steps 12-15 on page 13.

2.Incorrect contact tip size:

Replace with the proper tip for .030” wire (0.9 mm).

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 arc not stable

Possible Causes and Solutions

1.Wire not feeding properly:

See first Troubleshooting section above.

2.Incorrect contact tip size:

Replace with the proper tip for .030” wire (0.9 mm).

3.Incorrect wire feed speed:

Adjust wire feed speed to achieve a more stable arc.

4.Loose torch cable or ground cable:

Check to ensure that all connections are tight.

5.Damaged torch or loose connection within torch:

Have a qualified technician inspect and repair/replace as necessary.

If the steps above do not solve the problem or if the repairs involved are too

complex, contact a qualified technician.

SKU 55167

For technical questions, please call 1-800-444-3353.

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Contents For technical questions and replacement parts, please call WelderContents Save This Manual SpecificationsGeneral Safety Rules Work AreaTool Use and Care Electrical SafetyPersonal Safety Service Specific Safety RulesPage Inhalation Hazard Welding Produces toxic fumes and gassesGrounded Tools Tools With Three Prong Plugs Plug and OutletSee Figure C, next Double Insulated Tools Tools With Two Prong PlugsProng Plug and Outlet Outlets for 2-Prong Plug See Figure CFigure C Assembly UnpackingInstalling the Wire Reel Wire Feed Roller Bracket Screws 45 Washers Trigger Switch Replacement Operation Before You Start WeldingDo not Switch the Current While Welding Holding The Torch HartC EttingsS eldW Material Thickness Steel Bend at joint Weld Diagnosis Weld PenetrationWeld Not Adhering Properly Inaccurate welding Porosity Crooked/wavy beadExcessive Spatter Maintenance Parts Lists and Diagrams Wiring SchematicPlease Read the Following Carefully Assembly Diagram Page Wire creates a bird’s nest During operation TroubleshootingWire feed motor runs butwire does not feed properly Welding arc not stableFaulty or improperly connected Trigger Switch 1c Power switch 7a does not light when switched onTroubleshooting Internal fuse blownWire Feeds, but arc does not ignite Weak Arc strength