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IDEALARC SP-250
Lincoln Electric IDEALARC SP-250 Manuals
Manuals and User Guides for Lincoln Electric IDEALARC SP-250. We have
1
Lincoln Electric IDEALARC SP-250 manual available for free PDF download: Service Manual
Lincoln Electric IDEALARC SP-250 Service Manual (113 pages)
Lincoln Electric Welding System User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 2 MB
Table of Contents
Table of Contents
6
Electric Shock Can Kill
2
Safety
2
Fumes and Gases
2
Electric and Mag- Netic Fields
4
Table of Contents
6
Installation
7
Idealarc
8
Installation
8
Technical Specifications
8
Input Connections
9
Safety Precautions
9
Select Proper Location
9
Stacking
9
Fuse and Wire Sizes
10
Input Power Connections and Ground Connections
10
Connect Shielding Gas
11
Reconnect Procedure
12
Connect Output Components
14
Gun Liner & Contact Tip Installation
14
Install the Work Clamp
14
Output Polarity Connection
14
Operation
16
Machine Capability
16
Operation Section
16
Operational Features and Controls
16
General Description
17
Operation
17
Safety Instructions
17
Safety Precautions
17
Operational Features and Controls
18
Recommended Processes and Equipment
18
Design Features and Advantages
19
Limitations
20
Machine Capability
20
Controls and Settings
21
Power Switch
21
Set up Arrow Keys
21
Process Wire/Gas Key
21
Auto Key
23
Manual Key
23
Save Key
23
Memory Keys
24
Spot Key
24
Stitch Key
24
Timers off Key
24
Gun Switch Control IPM Volts Key
24
Toggle Key
25
Operating Steps
26
Using the Wire Drive Roll
28
Loading the Wire Reel
29
Feeding Electrode
30
Setting Idle Roll Pressure
30
Accessories
31
Accessories Section
31
Options & Accessories
32
Options/Accessories
32
Replacement Magnum 250-SP Gun and Cable Assemblies
32
Spool Gun Adapter Kit Installation
32
Spool Gun Module Board Installation
32
Spool Gun Connection Box Installation
34
Spool Gun Connection
35
Spool Gun Installation to Old K531
36
Maintenance
37
Maintenance Section
37
Routine and Periodic Maintenance
37
Routine and Periodic Maintenance
38
Safety Precautions
38
Theory of Operation
40
Power Supply Operation
41
Input Line Voltage and Main Trans- Former
41
Output Rectification and Feed- Back Control
42
Theory of Operation
42
Constant Voltage Output
43
Wire Drive Motor and Feedback
44
Thermal Protection
45
SCR Operation
46
Retest after Repair
47
Troubleshooting & Repair Section
47
Troubleshooting and Repair
48
How to Use Troubleshooting Guide
48
PC Board Troubleshooting Procedures
49
Troubleshooting Guide
50
Error Messages
51
Explanation of Prompting and Error Messages
58
Main Transformer Test
61
Materials Needed
61
Test Description
61
Test Procedure
62
Static Scr Rectifier Assembly Test
66
Active Scr Rectifier Assembly Test
69
Keypad Resistance Test
72
Test Points
74
Wire Drive Motor and Tachometer Feedback Test
75
Normal Open Circuit Voltage Waveform
79
Typical Output Voltage Waveform - Machine Loaded
80
Abnormal Output Voltage Waveform - Machine Loaded One Output Scr Not Functioning
81
Abnormal Open Circuit Voltage Output Capacitor Bank Not Functioning
82
Typical Scr Gate Voltage Waveform
83
Control Pc Board Removal and Replacement
84
Wire Drive Assembly Removal and Replacement
88
Capacitor Bank Removal and Replacement
92
Main Transformer Removal and Replacement
94
Fan Motor and Fan Removal and Replacement
96
Open Circuit Voltage
99
Retest after Repair
99
Electrical Diagrams
100
Electrical Diagrams
112
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