Lincoln Electric IM730 manual Digital Output Meters, Weld Mode Selector Switch

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B-2

OPERATION

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FIGURE B.1

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WELDING CONTROLS (Figure B.1)

1.OUTPUT CONTROL: The OUTPUT dial is used to preset the output voltage or current as dis- played on the digital meters for the four welding modes. When in the CC-STICK, DOWNHILL PIPE or CV-WIRE modes and when a remote control is con- nected to the 6-Pin or 14-Pin Connector, the auto- sensing circuit automatically switches the OUTPUT CONTROL from control at the welder to the remote control.

In the CV-WIRE mode, when the wire feeder control cable is connected to the 14-Pin Connector, the auto- sensing circuit automatically makes OUTPUT CON- TROL inactive and the wire feeder voltage control active.

When in the TOUCH START TIG mode and when a Amptrol is connected to the 6-Pin Connector, the OUTPUT dial is used to set the maximum current range of the CURRENT CONTROL of the Amptrol.

2. DIGITAL OUTPUT METERS

The digital meters allow the output voltage (CV-WIRE mode) or current (CC-STICK, PIPE and TIG modes) to be set prior to welding using the OUTPUT control dial. During welding, the meter display the actual out- put voltage (VOLTS) and current (AMPS). A memory feature holds the display of both meters on for seven seconds after welding is stopped. This allows the operator to read the actual current and voltage just prior to when welding was ceased.

While the display is being held the left-most decimal point in each display will be flashing. The accuracy of the meters is +/- 3%.

3. WELD MODE SELECTOR SWITCH:

(Provides four selectable welding modes)

CV-WIRE DOWNHILL PIPE CC-STICK TOUCH START TIG

RANGER 305D

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Contents Ranger 305 D Safety Electric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Section F Section DSection E P417Lubrication Emissions Fuel System Governor Height Width Depth WeightAIR Cleaner Engine Idler Muffler Engine Protection Ranger 305DSafety Precautions Location and VentilationVehicle Mounting PRE-OPERATION Engine ServiceBattery Connection OILElectrical Connections Cable Installation Auxiliary Power ReceptaclesStandby Power Connections Total Combined Length of Electrode and Work CablesConnection of Ranger 305D to Premises Wiring Connection of LN-7 or LN-8 to the Ranger 305D Connection of Lincoln Electric Wire FeedersConnection of an LN-23P Wire Feeder to the Ranger 305D Connection of LN-15 to the Ranger 305DTerminals on Connection of Prince XL Spool GUN to the Ranger 305DGeneral Description Safety PrecautionsFor Auxiliary Power Engine OperationWeld Mode Selector Switch Digital Output MetersWire Feeder Voltmeter Switch Figure B.2Typical Ranger 305D Fuel Consumption Starting the EngineStopping the Engine Table B.1Duty Cycle Welder OperationTypical Current Ranges 1 for Tungsten ELECTRODES2 TIG WeldingWire WELDING-CV ARC GougingTable B.3 Auxiliary Power Ranger 305D Extension Cord Length RecommendationsField Installed Options / Accessories TIG OptionsEngine Maintenance Components Kubota D722 Diesel Engine Kubota D722 Diesel EngineEngine Oil Change AIR CleanerEngine Oil Refill capacities Without oil filter replacement Oil Filter ChangeService Instructions & Installation Tips Cooling System Tightening the FAN BeltBleeding the Fuel System Engine Adjustment Battery MaintenanceServicing Optional Spark Arrestor Welder / Generator Maintenance Troubleshooting HOW to USE Troubleshooting GuideAuthorized Field Service Facility Your local LincolnContact your local Lincoln Welding without a control cable Functioning properly / linkage Faulty control cable. Repair or Process being used. For exam Diagrams Diagrams Diagrams Diagrams Diagrams Engine Welders /LN-8 Connection Diagram S24787-6Diagrams Diagrams Diagrams Diagrams Diagrams Ranger 305D- Kubota Wiring Diagram Dimension Print Ranger 305D Ranger 305D Ranger 305D Precaucion Warnung