Lincoln Electric 12392 Manuals

Manuals and User Guides for Lincoln Electric 12392. We have 1 Lincoln Electric 12392 manual available for free PDF download: Service Manual

Lincoln Electric 12392 Service Manual

Lincoln Electric 12392 Service Manual (155 pages)

Brand: Lincoln Electric | Category: Welding System | Size: 12 MB

Table of Contents

Theory of Operation

14
- Table of Contents
  14
- Gas Purge
  15
- Motor / Gear Box
  15
- To Switch
  15
- Cold Inch
  15
- User Interface Board Board
  15
- Foot Amptrol
  15
- Full Wave
  15
- Main Input
  15
- Power Wave C300 Block Diagram
  15
- Troubleshooting and Repair

20
- How to Use Troubleshooting Guide
  21
- Troubleshooting and Repair
  21
- PC Board Troubleshooting Procedures
  22
- From the Output Terminals
  24
- DC Link Capacitor
  37
- Fan Control
  39
- Control Board Test
  48
- Output Rectifier Test
  48
- Planar Transformer Resistance Test
  48
- Power Factor Control Board Test
  48
- Switch Board Test
  48
- Pfc Control Board
  54
- Chopper Control Board
  71
- Gun Trigger
  83
- Current Transducer
  90
- Current Transducer Test
  91
- Fan Control
  92
- Power Factor Correction Control Board
  96
- Removal and Replacement Procedures
  96
- Current Transducer (LEM
  98
- Control Board
  100
- Control Board
  101
- Control Board
  102
- Switch Board Assembly
  107
- Input Choke
  108
- Wire Drive Assembly
  111
- User Interface Board
  115
- Retest after Repair
  120
- Chopper Module Output Test
  122
- Switchboard
  126

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