Lincoln Electric LN-25 SVM179-B Manuals

Lincoln Electric LN-25 SVM179-B Manuals

Manuals and User Guides for Lincoln Electric LN-25 SVM179-B. We have 1 Lincoln Electric LN-25 SVM179-B manual available for free PDF download: Service Manual

Lincoln Electric LN-25 SVM179-B Service Manual

Lincoln Electric LN-25 SVM179-B Service Manual (103 pages)

WIRE FEEDER

Brand: Lincoln Electric | Category: Welding System | Size: 7.81 MB

Table of Contents

- Installation Section

7
- Service Manual
  1
- California Proposition 65 Warnings
  2
- Electric Shock Can Kill
  3
- Table of Contents
  7
- Installation
  9
- Safety Precautions
  9
- Location
  9
- High Frequency Protection
  9
- Weld Cable Size
  9
- Cable Connections
  10
- Shielding Gas Connections
  10
- Wire Drive Configuration
  10
  - Changing the Gun Receiver Bushing
    10
  - Procedure to Install Drive Rolls and Wire Guides
    11
- Pressure Arm Adjustment
  12
- Loading Spools of Wire
  12
- Gun Connection
  12
- Operation Section

15
- Operation
  16
- General Description
  17
  - Recommended Processes
    17
  - Equipment Limitations
    17
- Case Front Controls
  18
- Internal Controls
  23
- Rear Controls
  26
- Gas Purge/Flow Meter/Power-Up
  27
  - Routine Maintenance
    36
  - Periodic Maintenance
    36
  - Calibration Specification
    36
  - Control Board
    39
  - Input Power
    41
- Troubleshooting & Repair

45
- How to Use Troubleshooting Guide
  46
- PC Board Troubleshooting Procedures
  47
  - Case Removal
    54
  - Gas Solenoid Test
    55
  - Contactor Test
    57
  - Control Box
    58
  - Drive Motor and Tach Feedback Test
    59
  - Motor Overload Test
    61
- Contactor Removal and Replacement
  63
- Front Panel Removal and Replacement
  67
- Wire Drive Motor and Gear Box Removal and Replacement
  69
- PC Board Removal and Replacement
  73
- Gas Solenoid Removal and Replacement
  75
  - Retest after Repair
    77
  - Electrical Diagrams
    80

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