Lincoln Electric SVM153-A Table of Contents, Troubleshooting & Repair Section, Section F-1

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Section F-1	TABLE OF CONTENTS	Section F-1
- TROUBLESHOOTING & REPAIR SECTION -
Troubleshooting & Repair Section		Section F
How to Use Troubleshooting Guide		F-2
PC Board Troubleshooting Procedures		F-3
Troubleshooting Guide		F-4
Engine Starting Diagnostic Chart	..............................................................................................	F-13
Start-Up and OCV Diagnostic Chart		F-14
Test Procedures		F-15
Case Cover Removal and Replacement Procedure		F-15
Case Front Knobs - Removal and Replacement Procedure		F-18
Power Module Capacitor Discharge Procedure		F-19
Idler Solenoid Test		F-21
Shutdown Solenoid Test		F-23
Engine Throttle Adjustment Test		F-25
Rotor Resistance Test		F-29
Flashing and Rotor Voltage Test		F-31
Stator Voltage Test		F-34
Analog Power Supply PC Board Voltage Test		F-39
Output Rectifier Bridge Test		F-42
Power Module Test		F-46
Charging Circuit Test		F-50
Oscilloscope Waveforms		F-52
Normal Open Circuit Voltage Waveform (Stick)		F-53
Normal Weld Voltage Waveform (Stick CC)		F-54
Normal Weld Voltage Waveform (Wire CV)		F-55
Normal TIG Mode Voltage Waveform		F-56
Normal Open Circuit Voltage Waveform (Wire CV Tap)		F-57
Replacement Procedures		F-58
Shutdown Solenoid Removal and Replacement		F-58
Power Module/Output Rectifier Bridge Assembly Removal and Replacement		F-61
Power Module (Chopper) PC Board/Diode Module Removal and Replacement		F-66
Output Rectifier Bridge Diode Removal and Replacement		F-70
Stator/Rotor Removal and Replacement		F-73
Retest After Repair		F-82

COMMANDER 500