Harbor Freight Tools 55525 To Change Wire Settings, See Figure G, Nozzle. See Figure F, previous

Page 14

To Change Wire Settings

1.WARNING! Make sure to turn off the Welder and unplug it from its electrical outlet prior to changing wire settings.

2.Open the Access Panel (12) of the Welder to expose the Wire Feed Assembly.

		TENSION
SWING ARM		ADJUSTING
(10a)			KNOB

			(10b)

FEED

ROLLER

BRACKET

SCREW

(10l)

(10k)

FIGURE G

3.Loosen, and lower the Tension Adjusting Knob (10b) on the Wire Feed Assembly. Then, raise the Swing Arm (10a). (See Figure G.)

4.Remove the two Screws (10l) that secure the Feed Roller Bracket (10k) in place. Then, remove the Feed Roller Bracket. (See Figure G.)

5.Install a Wire Feed Roller (11) with the proper groove size facing towards the Inner Panel (8) of the welder.

6.Replace the Feed Roller Bracket (10k), and secure in place with the Screws.

(See Figure G.)

7.Lower the Swing Arm (10a) on the Wire Feed Assembly. Then, lower and tighten the Tension Adjusting Knob (10b). (See Figure G.)

8.Remove the Gun Nozzle (15h) and Contact Tip (15g). Install a Contact Tip that is one size larger* than the diameter of Welding Wire used. Then, replace the Gun

Nozzle. (See Figure F, previous page.)

*This accommodates thermal expansion of the wire.

9.Install the Spool of Welding Wire, and route the Wire to the Torch Gun. Then, test and, if necessary, adjust the Wire Feed Assembly as discussed in the previous pages of this manual.

	SKU 55525	For technical questions, please call 1-800-444-3353;	Page 14
		Troubleshooting section at end of manual.

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Contents For technical questions or replacement parts, please call 220 VAC*DUAL MIG WelderContents Save this Manual Product SpecificationsGeneral Safety Rules Work AreaElectrical Safety Personal SafetyService Tool USE and CareSpecific Safety Rules Industrial applications must follow Osha guidelinesPage Cylinders can explode when damaged Welding Produces toxic fumes and gassesGrounding Extension Cords SymbologyUnpacking Grounded Tools Tools with Three Prong PlugsTo Install a Wire Spool Assembly InstructionsFace Shield Assembly To Attach The HandleTo Route The Wire See Figure EExercise Extreme Caution Risk of Fire AND/OR Electric Shock Figure FNozzle. See Figure F, previous To Change Wire SettingsSee Figure G Setting The Gun Polarity For Wire Type See Figure HTo Install a Gas Cylinder Duty Cycle Duration of Use Operating InstructionsBefore You Begin Welding See Figure KSetting Up The Weld See Figure LHolding The Welding Torch Figure MTop figures are Voltage OttomB number is WireHarsgCni ttSe eldW On ETPage Bend at joint Weld Diagnosis Weld PenetrationWeld Not Adhering Properly Strike Test PorosityExcessive Spatter When the Weld is Completed Contact Tip Inspection, Cleaning, And Replacement INSPECTION, MAINTENANCE, and CleaningNozzle Inspection, Cleaning, and Replacement Or more for .030Tips .035 or more for .023 TipsReplacing The Welding Torch Liner Please Read the Following CarefullyParts Lists and Diagrams Wiring SchematicParts List Part Description QtyAssembly Diagram Assembly Diagram Wire Feed Mechanism Wire creates a bird’s nest During operation TroubleshootingWire feed motor runs but wire does not feed properly Welding arc not stableTroubleshooting Welder does not function when switched onWire Feeds, but arc does not ignite Weak Arc strengthNozzle Plugged Wire Feeds, but Shielding gas does not FlowWarranty Regulator or cylinder valve closed