Lincoln Electric LN-9 GMA Manuals

Manuals and User Guides for Lincoln Electric LN-9 GMA. We have 2 Lincoln Electric LN-9 GMA manuals available for free PDF download: Service Manual, Operator's Manual

Lincoln Electric LN-9 GMA Service Manual

Lincoln Electric LN-9 GMA Service Manual (144 pages)

Wire Feeder

Brand: Lincoln Electric | Category: Welding Accessories | Size: 1.73 MB

Table of Contents

Master

6
- Safety
  
  2
- Installation
  
  10
Operation Section

23
- Operation
  24
  - Operating Instructions
    24
  - Safety Precautions
    24
  - General Description
    25
  - Recommended Processes and Equipment
    25
    
    DC Constant Voltage Power Sources
    26
  - Controls and Settings
    27
    
    Circuit Protection and Automatic Shutdown
    30
    
    Avoiding Grounding Lead Protector (GLP) Shutdown
    30
  - Drive Roll Installation
    32
    
    Changing Drive Rolls for 2-Roll Wire Feeders
    32
    
    Changing Drive Rolls for 4-Roll Wire Feeders
    34
  - Wire Loading
    36
    
    Loading a 10 to 30 Lb. Spool
    37
    
    Loading 50 to 60 Lb. Coils
    38
  - Idle Roll Pressure Setting
    40
    
    2-Roll Wire Feeders
    40
    
    Adjust the Power Source
    41
    
    Adjust the LN9 GMA Controls
    41
    
    Voltage Control Response
    42
    
    Starting Characteristics
    42
  - Procedure at End of Coil
    43
  - Security of Weld Procedure Settings
    43
    
    Making a Weld
    43
Auxiliary Equipment Contacts

45
- Accessories
  46
  - Auxiliary Equipment Contacts
    46
  - Optional Equipment and Accessories
    46
    
    Power Input Cable Assemblies (K196, K595, K596
    46
    
    Wire Reel Stands and Mountings
    46
    
    Gun and Cable Assemblies
    49
    
    Wire Feeder Accessories
    49
Gun and Cable Maintenance

55
- Maintenance
  56
  - Routine Maintenance
    56
  - Periodic Maintenance
    56
    
    Drive Rolls and Guide Tubes
    56
    
    Wire Reel Mounting - 50 and 60 Lb. Coils
    56
    
    Control Box
    56
    
    Wire Drive Motor and Gear Box
    56
  - Gun and Cable Maintenance
    57
    
    Proper Speed Sensor Module Mounting
    57
    
    Gun Cable Connector Requirements
    58
Theory of Operation

59
- Theory of Operation
  60
  - General Description
    60
    
    Power Input Circuits
    60
    
    Trigger and Shutdown Circuit
    61
    
    Arc Voltage, Wire Speed Control and Metering
    62
    
    Printed Circuit Board Functions
    63
Table of Contents

65
- How to Use Troubleshooting Guide
  66
- PC Board Troubleshooting Procedures
  67
- Troubleshooting Guide
  68
  - T1 Transformer Test
    88
  - T2 Transformer Test
    91
  - Wire Drive Motor Test
    95
  - Voltmeter Accuracy Test
    102
  - Meter Circuit Accuracy Test
    105
  - Wire Speed Accuracy Test
    110
  - Out of Voltage Range Shut down Test
    112
  - General Power Supply Tests
    115
  - Digital Meter and Meter PC Board Removal and Replacement
    118
  - Reed Switch (CR2) Removal and Replacement
    121
  - T1 Transformer Removal and Replacement
    123
  - Drive Motor Removal and Replacement
    128
- Retest after Repair
  133
  - Wiring Diagram-LN-9 GMA
    137
  - Electrical Diagrams
    137
  - Wiring Diagram-LN-9F GMA
    138
  - Voltage Board Schematic
    139
  - Power PC Board Schematic
    140
  - Trigger PC Board Schematic
    141
  - PM Control Schematic
    142
  - Meter Board Schematic
    143
  - Operating Schematic
    144

Advertisement

Lincoln Electric LN-9 GMA Operator's Manual

Lincoln Electric LN-9 GMA Operator's Manual (70 pages)

Wire Feeder

Brand: Lincoln Electric | Category: Welding System | Size: 2.9 MB

Table of Contents

California Proposition 65 Warnings
2
Safety
3
Table of Contents
7
Installation
10
Technical Specifications
10
Installing the LN-9GMA 2-Roll and 4-Roll Models
11
- Attaching the Wire Reel Stand
  11
- Mounting the Unit
  11
Installing the LN-9F GMA 2-Roll and 4-Roll Models
11
Electrical Connections - LN-9 GMA and LN-9F GMA
12
Machine Grounding
21
Work Cable Connection
21
Connecting the Gun Cable to the Wire Feeder
22
- For GMA Gun Cables
  22
Hooking up GMA Shielding Gas
23
Operation
24
Operating Instructions
24
Safety Precautions
24
General Description
25
Recommended Processes and Equipment
25
Controls and Settings
27
Procedure at End of Coil
43
Security of Weld Procedure Settings
43
Accessories
44
- Auxiliary Equipment Contacts
  44
- Optional Equipment and Accessories
  44
- Routine Maintenance
  52
  - Drive Rolls and Guide Tubes
    52
  - Wire Reel Mounting - 50 and 60 Lb. Coils
    52
- Periodic Maintenance
  52
  - Control Box
    52
  - Wire Drive Motor and Gear Box
    52
Gun and Cable Maintenance
53
Gun Cable Connector Requirements
54
Troubleshooting
55
How to Use Troubleshooting Guide
55
Troubleshooting Guide
56
Welding Problems
61
Diagrams
62
Ln-9 Gma Wiring Diagram
62
LN-9F GMA Wiring Diagram
63
Ln-9 Gma Dimension Print
64
LN-9F GMA Dimension Prints
65

Advertisement

Related Products

Lincoln Electric Categories

Welding System Welding Accessories Flashlight Wire Feeders Portable Generator

More Lincoln Electric Manuals