Lincoln Electric 300 DLX manual AC/DC Stick Constant Current Welding

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B-8

OPERATION

B-8

 

 

 

AC/DC STICK (CONSTANT CURRENT) WELDING

1.Remove the flange nuts from output terminals and place the work and electrode welding cables over the terminals. See Figure B.4. Replace and tight- en the flange nuts securely. Be sure the connec- tions are tight.

2.Select the appropriate electrode. See “Welding Tips 1" included with your RANGER 300.

3.Attach the work clamp securely to the work you are welding.

4.Insert the electrode into the electrode holder.

5.Set the IDLER CONTROL to AUTO and start the diesel engine.

6.Set the RANGE switch to a setting equal to or slightly lower than the welding current recommend- ed for the electrode being used. For the best weld- ing performance, always set the RANGE switch to the lowest CC-blue setting that will give the desired weld current. This will assure that the OUTPUT dial is set towards the high end of the dial. If the OUTPUT dial is set at 10 and the welding current is to low, move the RANGE switch to the next high- est setting.

7.Set the POLARITY switch to the desired polarity (CC-blue setting).

8.Set the OUTPUT control. For stick welding, always use a setting between 5 and 10 on the dial (blue range).

9.Strike an arc and begin welding. The OUTPUT control can be adjusted while welding.

CAUTION

DO NOT change the RANGE switch setting while welding. This can result in damage to the switch.

------------------------------------------------------------------------

 

RANGE SETTING

ACTUAL

 

ON MACHINE

CURRENT RANGE

 

 

 

 

50

30 to 50 AMPS

75

50 to 75 AMPS

100

70 to 100 AMPS

140

95 to 140 AMPS

 

180

110 to 180 AMPS

225

130 to 225 AMPS

300

160 to 300 AMPS

 

 

 

 

 

E F

OUTPUT TERMINALS

FIGURE B.4

WELDING CIRCUIT CONNECTIONS

AFTER YOU FINISH WELDING:

1.Stop the engine.

2.Allow the electrode and work to cool completely.

3.Remove the work clamp from the work.

4.Remove any remaining piece of electrode from the electrode holder.

5.If you are finished using the RANGER 300 for welding, disconnect the welding cables from the weld output terminals. Reattach the flange nuts and leave them on the terminals.

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 Ranger 300 D and 300 DLX InstallationHeight Width Depth Weight Stacking Safety PrecautionsLocation and Ventilation StoringLifting PRE-OPERATION Engine ServiceAdditional Safety Precautions High Altitude OperationExhaust Deflector Battery ConnectionsFuel Engine CoolantWelding Cable Connections Electrical ConnectionsTotal Combined Length of Electrode and Work Cables Machine GroundingCircuit Breakers Auxiliary Power RECEPTACLES, PLUGS, and HAND-HELD EquipmentPremises Wiring Figure A.1 Connection of Ranger 300 to Premises WiringGeneral Description Design Features ALL ModelsOperation Limitations Additional FeaturesAdditional Safety Precautions Controls and SettingsFigure B.1 Output Panel Controls WELDER/GENERATOR Controls Figure B.2 Diesel Engine Controls Engine ControlsBefore Starting the Engine Engine OperationUSE Diesel Fuel only Starting the EngineCold Weather Starting and Operation Stopping the EngineTypical Ranger 300 Fuel Consumption BREAK-IN PeriodTable B.1 Welding OperationAC/DC Stick Constant Current Welding Range Setting Actual On Machine Current RangeAfter YOU Finish Welding DC Wire Feed Welding CV with Ranger 300 DLXTable B.2 AC TIG Welding TIG Electrode / Range Settings AC/DC TIG Constant Current 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 Table B.5 Auxiliary PowerSimultaneous Welding and Power Loads Figure B.5 120V Duplex Receptacles 120/240 Volt Dual Voltage ReceptacleTIG Welding Options Accessories AccessoriesGeneral Options Accessories Accessories Table D.1 Frequency MaintenanceKubota Engine Maintenance Schedule Kubota Engine Maintenance ComponentsChanging the OIL Routine and Periodic Engine MaintenanceCooling System AIR CleanerBleeding the Fuel System Tightening the FAN BeltChecking Electrolyte Level Battery MaintenanceCleaning the Battery Brush Removal and Replacement Welder / Generator MaintenanceCleaning Output Range Selector Polarity SwitchesHOW 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 300 DLX WiringDiagram RangerRANGER300 Wiring Diagram Ranger 300 DL11702 DLX DimensionPrint 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.

Both models provide an impressive welding output range, with the ability to weld continuously at high amperage. This high amperage capability allows welders to tackle a wide variety of applications, including stick, TIG, and MIG welding. The 300 DLX model boasts enhanced features such as increased welding output, which caters to heavy-duty applications, while the 300 D remains a solid choice for standard applications.

In terms of technology, the 300 DLX incorporates advanced digital technology that enables optimal arc performance and increased control over welding parameters. This feature not only improves weld quality but also enhances the overall user experience. The intuitive user interface allows welders to easily navigate through settings, making adjustments quick and efficient.

Both models also offer exceptional durability. Their rugged construction is designed to endure harsh job site conditions, and they are built with weather-resistant enclosures to protect vital components from the elements. The large fuel tanks ensure that operators can work for extended periods without frequent refueling, further enhancing productivity.

Additionally, the 300 D and 300 DLX are equipped with a variety of output options, including 115V and 230V auxiliary power, which can be utilized for powering tools and other equipment on-site. This versatility makes these generators not just welders, but comprehensive power solutions for a wide array of tasks.

In summary, the Lincoln Electric 300 D and 300 DLX are exceptional diesel engine-driven welding generators that offer unmatched power, advanced technology, and rugged durability. Their capacity to deliver superior welding performance, combined with versatile power output options, makes them indispensable tools for professional welders in a multitude of industries. Whether it’s for heavy industrial tasks or on-job site convenience, these models meet and exceed the expectations of demanding professionals.
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