Lincoln Electric SVM128-A 사용자 설명서

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Section F-1

Section F-1

SA-250

Troubleshooting & Repair Section ................................................................................Section F

How to Use Troubleshooting Guide .......................................................................................F-2

PC Board Troubleshooting Procedures .................................................................................F-3

Troubleshooting Guide ................................................................................................F-4 - F-12

Test Procedures ...................................................................................................................F-13

Alternator Rotor Test......................................................................................................F-13
Field Shunt Winding Test...............................................................................................F-17
Idler Solenoid Test .........................................................................................................F-20
Engine Throttle Adjustment Test....................................................................................F-22
Flashing the Fields ........................................................................................................F-26

Oscilloscope Waveforms......................................................................................................F-28

Normal Open Circuit Voltage Waveform (115VAC Supply) ...........................................F-28
Normal Open Circuit DC Weld Voltage Waveform ........................................................F-29
Typical DC Weld Output Voltage Waveform..................................................................F-30

Replacement Procedures ....................................................................................................F-31

Alternator Rotor Removal and Replacement ................................................................F-31
Alternator Stator Removal and Replacement................................................................F-36
Generator Frame Removal and Replacement ..............................................................F-41
Generator Armature Removal and Replacement ..........................................................F-47

Retest After Repair...............................................................................................................F-49

TABLE OF CONTENTS

TROUBLESHOOTING & REPAIR SECTION