Lincoln Electric SQUARE WAVE SVM118-A Manuals

Manuals and User Guides for Lincoln Electric SQUARE WAVE SVM118-A. We have 1 Lincoln Electric SQUARE WAVE SVM118-A manual available for free PDF download: Service Manual

Lincoln Electric SQUARE WAVE SVM118-A Service Manual

Lincoln Electric SQUARE WAVE SVM118-A Service Manual (149 pages)

Lincoln Electric Welder User Manual

Brand: Lincoln Electric | Category: Welding System | Size: 1.95 MB

Table of Contents

Master for All Sections

6
- Service Manual
  1
- Square Wave Tig
  1
- Safety
  
  2
  - Electric Shock Can Kill
    2
  - Table of Contents
    6
- Installation
  
  8
  - Technical Specifications Square Wave TIG 355
    8
    
    Physical Dimensions
    8
    
    Safety Precautions
    9
    
    Select Suitable Location (Stacking, Tilting, Lifting
    9
    
    High Frequency Interference Protection
    9
  - Select Suitable Location
    9
    
    Stacking
    9
    
    Lifting
    9
    
    Tilting
    9
    
    Input Connections
    10
    
    Ground Connection
    10
    
    Input Supply Connections
    10
    
    Reconnect Procedure
    11
    
    Output Connections
    13
    
    TIG Torch Connection
    13
    
    Stick Electrode Cable Connection
    14
Operation

15
- Operation
  
  16
  - Operating Instructions
    16
  - Safety Instructions
    16
  - General Description
    17
  - Operational Features and Controls
    17
  - Design Features and Advantages
    17
    
    Recommended Processes
    17
  - Welding Capability
    18
  - Limitations
    18
  - Controls and Settings (Upper and Lower Case Front Controls
    19
  - Controls and Settings
    19
    
    Upper Case Front Controls
    19
    
    Lower Case Front Controls
    25
    
    Hand and Foot Amptrol Operation
    27
  - Welding Operation
    29
    
    Initial Start-Up
    29
    
    Stick Welding
    29
    
    TIG Welding Guidelines
    29
    
    TIG Welding Sequence of Operation (2-Step Mode
    34
    
    TIG Welding Sequence of Operation (4-Step Mode
    34
  - Overload Protection
    35
  - Auxiliary Power
    35
- Maintenance
  
  39
-Theory of Operation Section-

42
- Theory of Operation
  43
  - General Description
    43
  - Input Power Circuit
    43
  - Power Factor Capacitors, and Main Transformer
    43
  - Output Rectification and Feedback Control
    44
  - High Voltage/High Frequency Circuit
    45
  - DC Welding Output
    46
  - AC Welding Output
    47
  - SCR Operation
    48
  - Protective Circuits
    49
    
    Thermal Protection
    49
    
    Overload Protection
    49
How to Use Troubleshooting Guide/Square Wave Tig

50
- Electrical Diagrams Section -

135
- Wiring Diagram
  137
- Machine Schematic
  138
- Meter PC Board (M15893) Schematic
  139
- Feed through PC Board (L8096) Schematic
  140
- Electrical Diagrams
  141

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