Lincoln Electric IM742-A Welding Controls Output Control, Digital Output Meters, ARC Control

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OPERATION

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WELDING CONTROLS

1. OUTPUT CONTROL:

The CONTROL dial provides continuous control of the welding current or welding voltage depending on the selected welding mode. This control is not active in the CC-STICK, PIPE, and CV-WIRE modes when a remote control or wire feeder with remote control is connected to either the 6 pin or 14 pin Amphenol.

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 output volt- age (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%.

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3. WELD MODE SELECTOR SWITCH:

(Provides four selectable welding modes)

CV-WIRE PIPE CC-STICK TOUCH START TIG

4. ARC CONTROL :

The ARC CONTROL WIRE/STICK dial is active in the WIRE, STICK and PIPE modes, and has different functions in these modes. This control is not active in the TIG mode.

CC-STICK, PIPE modes In these modes, the ARC CONTROL knob sets the short circuit current during stick welding (arc- force). Increasing the number from -10 to +10 increases the short circuit current and prevents sticking of the electrode to the plate while welding. This can also increase spatter. It is recom- mended that the ARC CONTROL be set to the minimum num- ber without electrode sticking. Start with a setting at 0.

CV-WIRE mode: In this mode, turning the ARC CONTROL clock wise from –10 (soft) to +10 (crisp) changes the arc from soft and washed-in to crisp and narrow. It acts as an induc- tance control. The proper setting depends on the proce- dure and operator preference. Start with a setting of 0.

RANGER 305G

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Contents Ranger 305 G Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Section E ViiSection D Section FAIR Cleaner Engine Idler Muffler Engine Protection InstallationHeight Width Depth Weight Lubrication Valve Lifters Fuel System GovernorMachine Specifications Ranger 305G K1726-1 Safety Precautions Additional Safety PrecautionsLocation and Ventilation Remote Control PRE-OPERATION Engine ServiceBattery Connection OILWelding Terminals Electrical ConnectionsMachine Grounding Welding Output CablesAuxiliary Power Receptacles Standby Power ConnectionsConnection of Ranger 305G to Premises Wiring Connection of Lincoln Electric Wire Feeders Connection of an LN-23P Wire Feeder to the Ranger 305GDesign Features OperationGeneral Description Digital Output Meters Weld Mode Selector SwitchWelding Controls Output Control ARC ControlWeld Output Terminals with Flange NUT Weld Terminals Control SwitchWire Feeder Voltmeter Switch PIN AmphenolStopping Welder OperationTypical Ranger 305G Fuel Consumption Wire WELDING-CV Typical Current Ranges 1 for Tungsten ELECTRODES2TIG Welding Auxiliary Power ARC GougingRanger 305G Extension Cord Length Recommendations Accessories Maintenance Engine Maintenance ComponentsKohler Engine Engine Spark Plug Service Spark PlugAIR Filter Paper Element Fuel Filter Engine AdjustmentBattery Maintenance Servicing Optional Spark ArrestorWelder/Generator Maintenance Troubleshooting HOW to USE Troubleshooting GuideIs Evident.Authorized Field Service Facility Contact your local Lincoln Authorized Field Service FacilityWelding without a control cable Authorized Field Service Facility Contact your local LincolnStick Diagrams Diagrams Diagrams Diagrams Diagrams Engine Welders /LN-8 Connection Diagram S24787-6Diagrams Diagrams Diagrams Diagrams Diagrams Ranger 305G Wiring Diagram for Code G3743G4285 AmmeterDimension B Dimension Print Ranger 305GDimension a 23.50Ranger 305G Need Welding Training? How To Read Shop DrawingsNew Lessons in Arc Welding Basic CoursePrecaucion Warnung