Lincoln Electric NA-3 Welding Systems Manuals

Manuals and User Guides for Lincoln Electric NA-3 Welding Systems. We have 3 Lincoln Electric NA-3 Welding Systems manuals available for free PDF download: Operator's Manual, Service Manual, Specification Sheet

Lincoln Electric NA-3 Service Manual (110 pages)

NA-3 series, NA-4 series AUTOMATIC WELDING SYSTEMS

Brand: Lincoln Electric | Category: Welding System | Size: 2 MB

VI VI Master for All Sections

7
- Safety
  
  3
  - Table of Contents
    7
  - Installation Section
    8
- Installation
  
  9
  - Technical Specifications
    9
  - Mechanical Installation
    11
  - Introduction
    11
  - Control Box Installation
    11
  - Welding Head Installation
    12
  - Electrical Installation
    13
  - Input Power Requirements
    13
  - Control Box to Welding Head Connections
    13
  - Power Supply to Control Box Connections
    14
  - Na-3N
    14
  - Na-3S
    15
  - Power Source Connection Diagrams
    16
  - Types "-O" or "-OF" and M.G. Solid State Field Control
    17
  - Line Voltage Compensator
    21
  - CV/CVI Power Sources
    23
  - Current Control) to an AC-1000
    25
  - Current Control) to an AC-1200
    26
- Operating Instructions Section -

30
- Operating Instructions
  31
- Accessories Section -

48
- Accessories
  49
  - General
    49
  - Listing of Accessories
    50
  - K29 Vertical Lift Adjuster
    50
  - K58 Magnetic Separator
    50
  - K218 Horizontal Fillet/Lap Attachment
    50
  - K96 Horizontal Adjuster
    50
  - K219 Flux Hopper Kit
    50
  - K129 Submerged Arc Small Wire Twinarc
    50
  - K221 Start Controls Pc Board
    51
  - K238 High Frequency Unit
    51
  - K223 Solenoid Kit
    51
  - K225 Submerged Arc Twinarc Kit
    51
  - K245 Crater Control Board
    51
  - K237 Linc-Fill Starting Relay
    51
  - K263 DC Electronic Voltmeter
    52
  - K310 Flux Screen
    52
  - K325 Tc-3 Travel Carriage
    52
  - K386 Narrow Gap, Deep Groove Nozzle
    52
  - K391 High Capacity Submerged Arc Nozzle
    52
  - K405 Automatic Innershield Nozzle
    52
  - K299 Wire Reel Assembly
    52
- Maintenance Section -

54
- Maintenance Section
  54
- Maintenance
  55
  - Control Box
    55
  - General
    55
  - Circuit Protection
    55
  - Welding Head
    56
  - Wire Drive Gearbox
    56
  - Wire Drive Motor
    56
  - Wire Drive Mechanism
    58
  - Wire Straighteners
    58
  - Optional Features
    59
  - Contact Assemblies
    59
  - Travel Carriage
    59
  - Vertical Lift Adjuster
    59
  - Horizontal Adjuster
    59
Table of Contents

60
- Theory of Operation
  61
  - General Description
    61
  - Input Power Circuits
    61
  - Control and Logic Boards
    62
  - Variable Voltage Board
    63
  - Optional Start and Crater Fill Boards
    64
  - SCR Operation
    65
- Troubleshooting and Repair Section -

66
- Troubleshooting and Repair
  
  68
  - PC Board Troubleshooting Procedures
    68
  - Troubleshooting Guide
    69
    
    Troubleshooting Guide
    70
    
    PC Board LED Definitions
    84
    
    Wire Feed Drive Motor Test
    86
    
    Test Procedures
    87
    
    Reed Switch (4CR) and Shunt Assembly Removal and Replacement (NA-3 Only
    88
    
    AC Current Transformer and Sensor PC Board Removal and Replacement (NA-4 Only
    92
    
    Wire Drive Motor Removal and Replacement
    95
    
    PC Board(S) Removal and Replacement
    97
    
    Retest after Repair
    99
    
    Operating Schematic
    104
    
    Logic PC Board (G1379-2 & Above) Schematic
    106
- Electrical Diagrams
  
  107

Lincoln Electric NA-3 Operator's Manual (112 pages)

NA-3 series, NA-4 series AUTOMATIC WELDING SYSTEMS

Brand: Lincoln Electric | Category: Welding System | Size: 7 MB

Lincoln Electric NA-3 Specification Sheet (8 pages)

NA-3 and NA-4 series Automatic Welding Systems with SOLID STATE Controls

Brand: Lincoln Electric | Category: Welding System | Size: 2 MB

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More Lincoln Electric Manuals

Lincoln Electric NA-3 Welding Systems Manuals

Lincoln Electric NA-3 Service Manual (110 pages)

Table of Contents

VI VI Master for All Sections

Safety

Installation

- Operating Instructions Section -

- Accessories Section -

- Maintenance Section -

Table of Contents

- Troubleshooting and Repair Section -

Troubleshooting and Repair

Electrical Diagrams

Lincoln Electric NA-3 Operator's Manual (112 pages)

Lincoln Electric NA-3 Specification Sheet (8 pages)

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