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POWER MIG 256
Lincoln Electric POWER MIG 256 Manuals
Manuals and User Guides for Lincoln Electric POWER MIG 256. We have
2
Lincoln Electric POWER MIG 256 manuals available for free PDF download: Service Manual, Operator's Manual
Lincoln Electric POWER MIG 256 Service Manual (113 pages)
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 3.52 MB
Table of Contents
- Installation Section
9
Table of Contents
9
Safety Precautions
11
Uncrating the Power Mig ® 256
11
Location
11
Input Power, Grounding and Connection Diagram
11
Installation
11
Output Polarity Connections
12
Gun and Cable Installation
12
Shielding Gas
13
Auxiliary Power Receptacles
14
Coil Claw™ Installation
14
- Operation Section
15
Operation
16
Safety Precautions
16
Description of Controls
17
Limitations
17
Product Description
17
Recommended Process and Equipment
17
Welding Capability
17
Procedure for Changing Drive and Idle Roll Sets
18
Wire Size Conversion Parts
18
To Start the Welder
19
Wire Reel Loading - Readi Reels, Spools or Coils
19
Feeding Wire Electrode
20
Idle Roll Pressure Setting
20
Wire Drive Configuration
21
Avoiding Wire Feeding Problems
22
Fan Control
22
Making a Weld
22
Input Line Voltage Protection
23
Overcurrent Protection
23
Welding Procedure Information
23
Welding Thermal Overload Protection
23
Wire Feed Overload Protection
23
- Accessories Section
25
Accessories
26
Alternative Magnum GMAW Gun and Cable Assemblies
26
Drive Roll Kits
26
Dual Cylinder Mounting Kit (K1702-1
26
Connecting the Spool Gun to the Power Mig ® 256
27
Making a Weld with the Magnum 250LX Spool Gun
27
Making a Weld with the Magnum SG Spool Gun
28
- Troubleshooting and Repair
41
How to Use Troubleshooting Guide
42
PC Board Troubleshooting Procedures
43
Main Transformer Test
51
Rectifier Diode Bridge Test
55
Static SCR Rectifier Assembly Test
59
Active SCR Rectifier Assembly Test
63
Wire Drive Motor and Tachometer Feedback Test
67
Normal Open Circuit Voltage Waveform
71
Typical Voltage Waveform - Machine Loaded
72
Abnormal Output Voltage Waveform - Machine Loaded
73
Abnormal Open Circuit Voltage
74
Typical SCR Gate Voltage Waveform
75
Control PC Board Removal and Replacement Procedure
79
Wire Drive Assembly Removal and Replacement Procedure
81
SCR Output Removal and Replacement Procedure
87
Capacitor Bank Removal and Replacement Procedure
91
Main Transformer and Output Choke Removal and Replacement Procedure
95
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Lincoln Electric POWER MIG 256 Operator's Manual (37 pages)
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.67 MB
Table of Contents
Power Mig
1
California Proposition 65 Warnings
2
Electric Shock Can Kill
3
Table of Contents
7
Installation
9
Technical Specifications
9
Safety Precautions
10
Uncrating the Power Mig 256
10
Location
10
Input Power, Grounding and Connection Diagram
10
Output Polarity Connections
11
Gun and Cable Installation
11
Shielding Gas
12
Auxiliary Power Receptacle
12
Coil Claw™ Installation
12
Operation
13
Product Description
14
Recommended Processes and Equipment
14
Welding Capability
14
Limitations
14
Description of Controls
14
Wire Size Conversion Parts
15
Procedure for Changing Drive Roll
15
Changing Drive/Idle Roll Sets
15
Wire Reel Loading
16
To Start the Welder
16
Feeding Electrode
17
Idle Roll Pressure Setting
17
Wire Drive Configuration
18
Making a Weld
19
Avoiding Wire Feeding Problems
19
Fan Control
19
Input Line Voltage Protection
19
Wire Feed Overload Protection
19
Welding Thermal Overload Protection
20
Overcurrent Protection
20
Welding Procedure Information
20
Accessories
21
Drive Roll Kits
21
Dual Cylinder Mounting Kit
21
Alternative Magnum GMAW Gun and Cable Assemblies
21
Magnum Gun Connection Kit
21
Spool Gun
21
Connecting the Spool Gun to the Power Mig 256
22
Making a Weld with the Spool Gun
22
Making a Weld with the Magnum SG Spool Gun
23
Maintenance
24
Safety Precautions
24
General Maintenance
24
Drive Rolls and Guide Plates
24
Contact Tip and Gas Nozzle Installation
24
Gun Tubes and Nozzles
24
Gun Cable Cleaning
24
Liner Removal and Replacement
25
Liner Removal, Installation and Trimming Instructions for Magnum ® PRO 250L
25
Gun Handle Disassembly
26
Troubleshooting
27
How to Use Troubleshooting Guide
27
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