Lincoln Electric 300 DLX manual DC Wire Feed Welding CV with Ranger 300D

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B-10

OPERATION

B-10

 

 

 

DC WIRE FEED WELDING (CV) WITH RANGER 300D

1.Connect an LN-25 with internal contactor to the Ranger 300D.

2.The only Innershield electrode recommended for use with the Ranger 300D is NR211MP. The elec- trode sizes and welding ranges that can be used with the Ranger 300D are shown in the following table:

Electrode

Wire Speed

Approximate

Diameter

in. / min.

Current Range

 

 

 

.035”

70 - 110

60 - 120 amps

 

 

 

.045”

70 - 130

120 - 170 amps

 

 

 

.068”

40 - 90

125 - 210 amps

 

 

 

The Ranger 300 D is recommended for limited "MIG" welding (GMAW - gas metal arc welding). The recom- mended electrodes are .030 and .035 L-50 and L-56. They must be used with a blended shielding gas such as C25 (75% Argon - 25% CO2). The .035 diameter electrode gives improved starting compared to .030 diameter. The welding ranges that can be used with the Ranger 300D are shown in the following table:

Electrode

Wire Speed

Approximate

Diameter

in. / min.

Current Range

 

 

 

.030”

150 - 450

80 - 170 amps

 

 

 

.035”

100 - 350

80 - 190 amps

 

 

 

3.Set the IDLER control to AUTO.

4.Set the RANGER switch to the WIRE FEED (CV- red setting).

5.Set the POLARITY SWITCH to either WIRE FEED DC+ (red) or WIRE FEED DC- (red), depending on the electrode.

6.Set the OUTPUT control to a setting between 1 and 10 that gives the most stable arc for the appli- cation.

7.Strike an arc and begin welding. the OUTPUT control can be adjusted while welding. DO NOT change the RANGE switch setting while welding. This can result in damage to the switch.

AFTER YOU FINISH WELDING:

1.Stop the engine

2.Allow the work to cool completely

3.Remove the work clamp from the work

CARBON ARC GOUGING (CONSTANT CURRENT)

1.The recommended electrode ia a 3/16” (4.8 mm) dia. carbon

2.Set the RANGE switch to 300

3.Set the POLARITY switch to DC+ (cc - blue setting)

4.Set the OUTPUT control to 10

5.Strike an arc and begin gouging

After you finish gouging:

1.Stop the engine

2.Allow the electrode and work to cool completely

3.Remove the work clamp from the work

RANGER 300 D AND 300 DLX

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Contents Ranger 300 D and 300 DLX California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Safety Thank You Table of Contents Vii Height Width Depth Weight InstallationRanger 300 D and 300 DLX Location and Ventilation Safety PrecautionsStoring StackingAdditional Safety Precautions PRE-OPERATION Engine ServiceHigh Altitude Operation LiftingFuel Battery ConnectionsEngine Coolant Exhaust DeflectorTotal Combined Length of Electrode and Work Cables Electrical ConnectionsMachine Grounding Welding Cable ConnectionsPremises Wiring Auxiliary Power RECEPTACLES, PLUGS, and HAND-HELD EquipmentCircuit Breakers Figure A.1 Connection of Ranger 300 to Premises WiringOperation Design Features ALL ModelsGeneral Description Additional Safety Precautions Additional FeaturesControls and Settings LimitationsFigure B.1 Output Panel Controls WELDER/GENERATOR Controls Figure B.2 Diesel Engine Controls Engine ControlsBefore Starting the Engine Engine OperationCold Weather Starting and Operation Starting the EngineStopping the Engine USE Diesel Fuel onlyTable B.1 BREAK-IN PeriodWelding Operation Typical Ranger 300 Fuel ConsumptionAC/DC Stick Constant Current Welding Range Setting Actual On Machine Current RangeTable B.2 AC TIG Welding TIG Electrode / Range Settings DC Wire Feed Welding CV with Ranger 300 DLXAC/DC TIG Constant Current Welding After YOU Finish WeldingCarbon ARC Gouging Constant Current DC Wire Feed Welding CV with Ranger 300DTable B.3 Summary of Welding Processes for Ranger 300 DLX Summary of Welding Processes and Machine SettingsTable B.4 Summary of Welding Processes for Ranger 300 D Simultaneous Welding and Power Loads Auxiliary PowerTable B.5 Figure B.5 120V Duplex Receptacles 120/240 Volt Dual Voltage ReceptacleGeneral Options Accessories AccessoriesTIG Welding Options Accessories Accessories Kubota Engine Maintenance Schedule MaintenanceKubota Engine Maintenance Components Table D.1 FrequencyChanging the OIL Routine and Periodic Engine MaintenanceBleeding the Fuel System AIR CleanerTightening the FAN Belt Cooling SystemCleaning the Battery Battery MaintenanceChecking Electrolyte Level Cleaning Welder / Generator MaintenanceOutput Range Selector Polarity Switches Brush Removal and ReplacementHOW to USE Troubleshooting Guide 1TROUBLESHOOTINGE-1Troubleshooting Wrong position No welding power output Welding Terminals switch 1CONNECTION DIAGRAMSF-1 To Work 2CONNECTION DIAGRAMSF-2Ranger 300 DLX / LN-742 Connection Diagram Connection DiagramsTo Wire Feed Unit Ranger 300 DLX / K930-1 TIG Module / Connection Diagram Ranger 300 D / LN-7 / K240 Contactor KIT Diagram WiringRanger 300 DLXRANGER300 Wiring Diagram Ranger 300 DL11702 Print DimensionDLX Ranger 300 D and 300 DLX Ranger 300 D and 300 DLX Basic Course How To Read Shop DrawingsPrecaucion Warnung
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300 DLX, 300 D specifications

The Lincoln Electric 300 D and 300 DLX are portable diesel engine-driven welding generators that stand out for their versatility, reliability, and advanced features tailored for industrial, commercial, and construction applications. These machines are part of Lincoln Electric's commitment to delivering high-quality welding power solutions that can withstand the rigors of demanding work environments.

One of the key features of the Lincoln Electric 300 D and 300 DLX is their powerful engine, capable of generating consistent and reliable welding output. The machines are equipped with a robust, air-cooled, four-cycle diesel engine that ensures long run times and excellent fuel efficiency, making them ideal for extended job sites where access to power sources may be limited.

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