Description | Lincoln Electric SVM168-B specification

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F-47	TROUBLESHOOTING & REPAIR	F-47

PRINTED CIRCUIT BOARD REMOVAL

AND REPLACEMENT

WARNING

Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid elec- trical shock, please observe all safety notes and precautions detailed throughout this man- ual.

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical trou- bleshooting assistance before you proceed. Call 1-888-935-3877.

DESCRIPTION

The following procedure will aid the technician in removing the printed circuit board for main- tenance or replacement.

MATERIALS NEEDED

5/16” Nut driver

Phillips Head Screwdriver Diagonal cutters Wiring Diagram

RANGER® 10,000 & RANGER® 10,000 PLUS

Image 87

Lincoln Electric SVM168-B service manual Printed Circuit Board Removal Replacement, Description

Contents

Ranger 10,000 /10,000 Plus Safety Powered equipmentFor Engine Fumes and Gases ARC Rays can burn Welding and Cutting Sparks can cause fire or Explosion Cylinder may explode If damagedIii Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation SectionSection A-1 Height Width Depth Weight Installation Horsepower Operating Speed RPM Towing Safety PrecautionsSpark Arrester Machine Grounding Can cause fire or explosion PRE-OPERATION ServiceGasoline Vehicle Mounting Lifting Welding Output CablesTotal Combined Length of Electrode and Work Cables Angle of Operation Welder Operation Connection of Lincoln Electric Wire FeedersInstructions Stacking Motor Starting Auxiliary Power120/240 Volt Dual Voltage Receptacle Duplex Receptacles Not USE These Devices With a Ranger 10,000 These Devices Without Additional Resistive Type Loads Standby Power Connections Simultaneous Welding and Power Figure A.1 Ranger 10,000 & Ranger 10,000 Plus Operation Section Section B-1Operation Engine Switch OperationWelder Controls Function and Operation Control Dial Polarity SwitchRange Switch Kohler Honda Robin / Subaru 20 H.P. Command Stopping the Engine STARTING/SHUTDOWN InstructionsBREAK-IN Period Starting the Engine Wire Feed Welding Processes Constant Voltage Stick Constant Current WeldingTIG Constant Current Welding Summary of Welding Processes Start Switch Wire FEED, LN-15 Section C-1 Accessories Section Optional Equipment Field Installed Accessories Plasma Cutting Recommended EquipmentStick TIG Welding Ranger 10,000 & Ranger 10,000 Plus Section D-1 Maintenance Section Maintenance Safety PrecautionsKohler Honda OIL Filter Change AIR Cleaner and Other Maintenance Slip Rings Engine AdjustmentsBattery Overspeed is Hazardous Element Pre-CleanerOil Filter Air Filter Figure D.1 Major Component Location Theory of Operation Section Section E-1Theory of Operation Theory of Operation BATTERY, STARTER, ENGINE, ROTOR, STATOR, and Idler Solenoid Figure E.3 Rotor Field Feedback and Auxiliary Power Rotor Field Feedback and Auxiliary Power Figure E.4 Weld WINDING, REACTOR, and Range Switch Weld WINDING, REACTOR, Range Switch Output BRIDGE, Choke Polarity SWITCH, and Output Terminals Ranger 10,000 & Ranger 10,000 Plus Section F-1 Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & Repair Electric Shock PC Board Troubleshooting Procedures Output Problems Troubleshooting Guide Output Problems Field Winding Voltage Test Adjustment Test Troubleshooting Guide Output Problems Engine Problems Make sure the leads are looped Charging Circuit Test Welding Problems Ranger 10,000 & Ranger 10,000 Plus Rotor Voltage Test Test DescriptionMaterials Needed Test Procedure Rotor Resistance Test Figure F.2 Location of Rotor Slip Rings Rotor Resistance Test Troubleshooting & Repair Ranger 10,000 & Ranger 10,000 Plus Auxiliary and Field Winding Test Auxiliary and Field Winding Test To test the 115 VAC windingTo test the 230 VAC winding To test the field winding Ranger 10,000 & Ranger 10,000 Plus Output Rectifier Bridge Test 26TROUBLESHOOTING & REPAIRF-26 Output Rectifier Bridge TestFigutpure F.4 Locationctifof Output Rectifier Leads Charging Circuit Test Figure F.5 Location of Voltage Regulator Charging Circuit Test Engine Throttle Adjustment Test Figure F.6 Blower Paddle Marked for STROBE-TACH Method Engine Throttle Adjustment Test Figure F.7 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 LoadedMachine Loaded to 200 Amps AT 20 VDC Machine Loaded to 200 Amps AT 26 VDC Typical DC Weld Output Waveform CC Mode Machine Loaded to 225 Amps AT 25 VDC Typical AC Weld Output Waveform Abnormal 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 10,000 & Ranger 10,000 Plus Description Brush Removal and Replacement Procedure Brush Removal and Replacement Figure F.9 Brush LEADS/BRUSHES Retained with Cable TIE Slip Rings Ranger 10,000 & Ranger 10,000 Plus Printed Circuit Board Removal Replacement Figure F.10 Printed Circuit Board Location Printed Circuit Board Removal and Replacement Printed Circuit Board Removal Replacement Ranger 10,000 & Ranger 10,000 Plus Output Rectifier Bridge Removal Replacement Output Rectifier Bridge Removal Remove the case top, then reinstall the fuel cap Section TOC Ranger 10,000 & Ranger 10,000 Plus Instructions ENGINE/ROTOR Removal and Replacement Figure F.12 Component LOCATIONS, ENGINE/ROTOR Removal ENGINE/ROTOR Removal Engine and Rotor Removal Procedure Figure F.13 Engine and Rotor Removed from Stator THRU-BOLT Rotor Removal Procedure Reassembly Procedure Replacement KIT S20788 Retest After Repair Electrical Diagrams Section Electrical DiagramsSection G-1 Wiring Diagram Code 11041 only -M20226 Electrical Diagrams Ranger 10,000 Honda Wiring Diagram Code 11095 only M20301 Ranger 10,000 Wiring Diagram Code 11398 M21269 Ranger 10,000 Plus L13105 Schematic Entire Machine Codes 11395 and 11398 L13105 L13103 Schematic Entire Machine CDE 11394 L13103 Schematic Entire Machine Code 11095 & 11253 only L12257 L12249 Schematic Entire Machine Code 11151 only L12249-1 Electrical Diagrams Electrical Diagrams