Lincoln Electric SVM107-B service manual Summary of Welding Processes, Stick Auto

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B-6

 

OPERATION

B-6

 

 

 

 

 

 

 

 

Summary of Welding Processes

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

ELECTRODE

 

 

 

 

CABLE

IDLE

WHEN NOT

TO START

 

 

PROCESS

USED

MODE

WELDING

WELDING

 

 

 

 

 

 

 

 

 

STICK

No

AUTO

Hot

Touch electrode to work.

 

 

 

 

 

 

Welding starts immediately

 

 

 

 

 

 

and engine goes to high

 

 

 

 

 

 

idle.

 

 

 

 

 

 

 

 

 

TIG/K7930-1/K938-1,

Yes

HIGH

Cold

Press Amptrol, contactor

 

 

K936-( ) /K892-1

 

 

 

closes, welding

 

 

(WITH AMPTROL)

 

 

 

starts immediately.

 

 

 

 

 

 

 

 

 

WIRE FEED, LN-25 WITH

No

AUTO

Cold

Press gun trigger, LN-25

 

 

INTERNAL CONTACTOR

 

 

 

contactor closes. Welding

 

 

 

 

 

 

starts immediately and

 

 

 

 

 

 

engine goes to high idle.

 

 

 

 

 

 

NOTE: Output Control

 

 

 

 

 

 

must be set above “3”.

 

 

 

 

 

 

 

 

 

WIRE FEED, LN-7 WITH

Yes

HIGH

Cold

Press gun trigger,

 

 

K240 CONTACTOR KIT

 

 

 

contactor closes. Welding

 

 

 

 

 

 

starts immediately.

 

 

 

 

 

 

 

 

RANGER 8

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Contents Rangertm Safety Electric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Auxiliary Power Welding Output20 B 50 100 150 20050 100 150 200 250 300 350 Output Amps Installation Instructions Battery Connections OilAWG FuelAngle of Operation Connection of the LN-7 to the Ranger Welder OutputRanger Constant CurrentDuplex Receptacles Motor StartingElectrical Device USE with the Ranger Type Common Electrical Devices Possible ConcernsAuxiliary Power While Welding Standby Power ConnectionsConnection of Ranger 8 to Premises Wiring Figure A.1Ranger Table of Contents Operation Section DC Semiautomatic Wire Feed Welding Constant Voltage AC/DC Stick Welding Constant CurrentAC/DC TIG Welding Constant Current Control Switch Provides a fine welding current adjustment withinRange Switch settings in the STICK/TIG mode Welding voltage control with the Range switch setStarting/Shutdown Instructions Stopping the EngineWire Feed Welding Processes Constant Voltage Stick Constant Current WeldingTIG Constant Current Welding Summary of Welding Processes Stick AutoSection C-1Section C-1 Accessories Recommended Equipment Ranger Table of Contents Maintenance Routine Maintenance Engine OIL ChangeEngine OIL Refill Capacities Kohler Onan HondaOIL Filter Change Engine Adjustments Engine Maintenance PartsPre-Cleaner Slip RingsFigure D.1 Major Component Locations Ranger Table of Contents Theory of Operation Section Theory of Operation Rotor Field Feedback and Auxiliary Power Weld WINDING, REACTOR, Range Switch Output BRIDGE, Choke Polarity SWITCH, and Output Terminals Ranger Table of Contents Trouble Shooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC board can be damaged by static electricity Static-SensitiveDevices Handle only atTroubleshooting Guide Output ProblemsObserve Safety Guidelines Detailed in the beginning of this manualTroubleshooting & Repair Troubleshooting & Repair Troubleshooting Guide Troubleshooting & Repair Engine Problems Troubleshooting & Repair Troubleshooting & Repair Welding Problems Ranger Rotor Voltage Test Test DescriptionMaterials Needed Test Procedure Rotor Resistance Test Rotor Resistance Test Troubleshooting & Repair Ranger Auxiliary and Field Winding Test To test the 115 VAC winding To test the 230 VAC windingTo test the field winding Ranger Output Rectifier Bridge Test Output Rectifier Bridge Test Charging Circuit Test Charging Circuit Test Engine Throttle Adjustment Test Engine Throttle Adjustment Test Engine Throttle Adjustment Test Oscilloscope Method Scope Settings Normal Open Circuit Voltage Waveform 115 VAC SupplyHigh Idle no Load Output Control AT Maximum Typical DC Weld Output Waveform CV Mode Machine LoadedTypical DC Weld Output Waveform CC Mode Machine Loaded to 200 Amps AT 26 VDCTypical AC Weld Output Waveform Machine Loaded to 225 Amps AT 25 VDCAbnormal Open Circuit Weld Voltage Waveform CV Mode Abnormal Open Circuit DC Weld Voltage Waveform Normal Open Circuit Weld Voltage Waveform CV Mode Normal Open Circuit DC Weld Voltage Waveform CC Mode Normal Open Circuit AC Weld Voltage Waveform Ranger Brush Removal and Replacement DescriptionBrush Removal and Replacement ProcedureSlip Rings Figure F.10 Brush LEADS/BRUSHES Retained with Cable TIERanger Field Capacitor AND/OR Rectifier Bridge Removal Replacement Replacement Field Capacitor AND/OR Rectifier Bridge RemovalProcedure Rectifier Bridge Removal and Replacement Ranger Printed Circuit Board Removal Replacement Printed Circuit Board Removal and Replacement ProcedurePrinted Circuit Board Removal Ranger Output Rectifier Bridge Removal Replacement Remove the case top, then reinstall the fuel cap Output Rectifier Bridge RemovalSection TOC Ranger ENGINE/ROTOR Removal and Replacement InstructionsENGINE/ROTOR Removal Figure F.14 Component LOCATIONS, ENGINE/ROTOR RemovalEngine and Rotor Removal Procedure Rotor Removal Procedure Figure F.15 Engine and Rotor Removed from StatorReplacement KIT S20788 Reassembly ProcedureRetest After Repair Table of Contents Diagrams Section Dimension Dimension Print Ranger 8 Honda & Kohler RANGER8Diagrams Connection of Ranger 8 to LN-7 & K240 Contactor KITElectrical Diagrams Wiring Diagram Onan NON CSA ModelK1418-2 Ranger 8 Onan CSA Version Wiring Diagram Wiring Diagram Onan CSA ModelK1419-1 Ranger 8 Kohler Wiring Diagram Wiring Diagram Kohler NON CSA ModelK1419-2 Ranger 8 Kohler CSA Wiring Diagram Wiring Diagram Kohler CSA ModelK2160-1 Ranger 8 Honda CSA Wiring Diagram Schematic IDLER/CONTROL PC Board 16482PC Board Assembly IDLER/CONTROL SVM Error Reporting Form
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