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WIRE-MATIC 250
Lincoln Electric WIRE-MATIC 250 Manuals
Manuals and User Guides for Lincoln Electric WIRE-MATIC 250. We have
1
Lincoln Electric WIRE-MATIC 250 manual available for free PDF download: Service Manual
Lincoln Electric WIRE-MATIC 250 Service Manual (102 pages)
Lincoln Electric Welder User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.93 MB
Table of Contents
Table of Contents
7
Safety
2
Electric Shock Can Kill
2
Table of Contents
7
Installation
9
Technical Specifications
10
Safety Precautions
11
Select Proper Location
11
Input Connections
11
Stacking
11
Tilting
11
Fuse and Wire Sizes
12
Input Power Connections and Ground Connections
12
Connect Shielding Gas
13
Reconnect Procedure
14
Connect Output Components
16
Install the Work Clamp
16
Output Polarity Connection
16
Gun Liner and Contact Tip Installation
16
Wire Size Conversion Parts
17
Gun and Cable Installation
17
Operation
19
Design Features and Advantages
19
General Description
20
Operation
20
Safety Instructions
20
Design Features and Advantages
21
Unit Features
21
Power Source Features
21
Recommended Processes and Equipment
21
Limitations
22
Wire Feeder Features
22
Machine Capability
22
Controls and Settings
23
Using the Wire Drive Roll
24
Procedure for Changing Drive Roll
24
Loading the Wire Reel
24
Feeding Electrode
25
Proper Wire Feeding
25
Operating Steps
26
Setting Idle Roll Pressure
26
Starting the Welder
26
Changing Run-In Mode
26
Enter Fast Run-In Mode
26
Enter Slow Run-In Mode
26
Making a Weld
27
Accessories
29
Installing the K607-1 Spool Adapter Kit
30
Spool Gun Module Board Installation
31
Spool Gun Connection Box Installation
32
Spool Gun Preparation
33
Spool Gun Connection
33
K607-1 Spool Gun Adapter Kit
30
Replacement Magnum 250L Gun and Cable Assembly
30
Making a Weld with the Spool Gun Adapter (K607-1) Installed
34
Timer Kit (K585-1
35
Timer Kit Installation (Optional K585-1
35
Adjustable Gas Regulator and Hose Kit (K586-1
36
Drive Roll Kits
36
Making Spot and Stitch Welds with Timer Kit Installed
36
Maintenance
37
Drive Rolls and Guide Tubes
37
Routine and Periodic Maintenance
38
Safety Precautions
38
Cable Cleaning
40
Contact Tip and Gas Nozzle Installation
40
Drive Rolls and Guide Tubes
40
Drop-In Reel Spindle and Clips
40
Gun Tubes and Nozzles
40
Liner Removal and Replacement
41
Liner Removal, Installation, and Trimming Instructions for Magnum 250L
41
Gun Handle Disassembly
42
Accessories and Expendable Replacement Parts for Magnum 250L Gun and Cable Assemblies
43
Theory of Operation
45
Power Supply Operation
45
Wire Drive Motor and Feedback
49
Thermal Protection
50
SCR Operation
51
Troubleshooting & Repair
53
PC Board Troubleshooting Procedures
53
Troubleshooting and Repair
54
How to Use Troubleshooting Guide
54
Troubleshooting & Repair Section
54
PC Board Troubleshooting Procedures
55
Troubleshooting Guide
56
Main Transformer Test
63
Test Procedures
64
Static Scr Rectifier Assembly Test
66
Active SCR Rectifier Assembly Test
69
Wire Drive Motor and Tachometer Feedback Test
72
Normal Open Circuit Voltage Waveform
75
Typical Output Voltage Waveform - Machine Loaded
76
Abnormal Output Voltage Waveform - Machine Loaded One Output SCR Not Functioning
77
Abnormal Open Circuit Voltage Output Capacitor Bank Not Functioning
78
Typical SCR Gate Voltage Waveform
79
Control PC Board Removal and Replacement
80
Wire Drive Assembly Removal and Replacement
82
SCR Output Rectifier Removal and Replacement
84
Capacitor Bank Removal and Replacement
86
Main Transformer Removal and Replacement
88
Fan Motor and Fan Removal and Replacement
90
Retest after Repair
93
Electrical Diagrams
95
Wiring Diagram (230/460/575) Code 10004
97
Wiring Diagram (230/460/575) Code 10003
98
Wiring Diagram (208/230) Code 9800
99
Wiring Diagram (208/230) Code 9799
100
Control PC Board (G2332) Schematic
101
Control PC Board (G2332) Layout
102
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