Lincoln Electric EASY-MIG 140 Manuals

Manuals and User Guides for Lincoln Electric EASY-MIG 140. We have 1 Lincoln Electric EASY-MIG 140 manual available for free PDF download: Service Manual

Lincoln Electric EASY-MIG 140 Service Manual

Lincoln Electric EASY-MIG 140 Service Manual (111 pages)

Lincoln Electric Welder User Manual

Brand: Lincoln Electric | Category: Welding System | Size: 11 MB

Table of Contents

- Operation Section

11
- Service Manual
  1
- California Proposition 65 Warnings
  2
- Electric and Magnetic Fields
  2
- Electric Shock Can Kill
  3
- Fumes and Gases
  3
- Installation
  8
- Technical Specifications
  9
- Physical Dimensions
  9
- Select Suitable Location
  9
- Safety Precautions
  9
- Identify and Locate Components
  10
- Table of Contents
  11
- Operation
  12
  - Controls and Settings
    13
  - Drive Roll & Wire Guides
    15
  - Setting up and Making a Flux-Cored Weld
    16
  - Items Needed for Flux Core Welding
    16
    
    Connect Leads & Cables
    17
    
    Load Wire Spool
    17
  - Items Needed for Mig Welding
    19
    
    Install Shielding Gas
    20
    
    Connect Leads & Cables
    21
    
    Load Wire Spool
    21
- Accessories Section

25
- Accessories
  26
  - Unpacking the Spool Gun
    29
  - Locating Spool Gun Components
    30
  - Safety Precautions
    30
    
    Spool Gun
    32
    
    Recommended Welding Machines
    32
    
    Spool Gun / Wire Drive Selector Switch Installation
    33
  - Electrical Connections
    34
  - Mounting the Switch
    36
  - Routine Welding Machine Preparation
    37
    
    Preparing the Spool Gun
    37
    
    Connecting the Gun to the Welding Machine
    40
    
    Routine Maintenance
    42
    
    Maintenance Safety Precautions
    42
    
    Gun and Cable
    43
    
    Overload Protection
    43
    
    Gun and Cable Maintenance
    43
    
    Changing Liner
    44
    
    Gun Handle Parts
    44
    
    Major Component Locations
    45
    
    General Description
    48
    
    Theory of Operation
    48
    
    Output Control
    50
    
    Trigger, Gas Solenoid and Wire Drive
    51
    
    Scr Operation
    52
- Troubleshooting & Repair

55
- How to Use Troubleshooting Guide
  56
- PC Board Troubleshooting Procedures
  57
- Case Cover Removal and Replacement
  65
  - Test Description
    65
  - Materials Needed
    65
  - Gas Solenoid Test
    67
    
    Wire Drive Motor Test
    69
    
    Test Procedure
    70
  - Main Transformer Test
    71
  - Fan Motor Test
    75
- Typical Output Voltage Waveform - Machine Loaded
  77
  - Scope Settings
    77
- Abnormal Open Circuit Voltage Waveform
  78
- Control Board Removal and Replacement
  79
- Power Module Removal and Replacement
  83
- Rectifier, Transformer, Choke Assembly & Capacitor Removal and Replacement
  87
  - Open Circuit Voltage
    101
  - Electrical Diagrams
    104
  - Wiring Diagram
    104

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