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Welding System
MULTI-WELD SVM151-A
Lincoln Electric MULTI-WELD SVM151-A Manuals
Manuals and User Guides for Lincoln Electric MULTI-WELD SVM151-A. We have
1
Lincoln Electric MULTI-WELD SVM151-A manual available for free PDF download: Service Manual
Lincoln Electric MULTI-WELD SVM151-A Service Manual (119 pages)
Arc Converter
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 4.23 MB
Table of Contents
- Master for All Sections -
6
Service Manual
1
Safety
2
Electric Shock Can Kill
3
Table of Contents
6
Installation
8
Technical Specifications
8
Quick-Connect "Pig-Tails
9
Attachment and Arrangement of "Pig-Tails
9
Safety Precautions
9
Work Connection
10
Case Grounding
10
Inter-Connection of Converters
10
Power Source Setup
12
Operation
13
Operating Instructions
14
Operation
14
Safety Instructions
14
Operation
15
Product Description
15
Recommended Equipment and Processes
16
Distribution Box
16
Multi-System Power Source
16
Pig-Tail" Leads and Connectors
16
CC Mode Stick Welding and Gouging
17
CV Mode Wire Welding
17
Remote Output Control Options
17
Front Panel Controls
18
Recessed Panel Controls
19
Paralleled Converters
20
Remote Control of Paralleled Converters
20
Transporting and Storage of the Multi-Weld 350
20
Cable Handling
20
Storage
21
Transporting
21
Protection Features
21
Fan as Needed (F.A.N
21
Over-Current Protection
21
Over-Temperature Shutdown
21
Over-Voltage Protection
21
Accessories
23
Accessories
24
Options/Accessories
24
Connection of Lincoln Electric Wire Feeders
24
Field Installed Options
24
Semiautomatic Welding Accessories
24
Connection of the
25
Maintenance
28
General Description
31
General Description
32
Input Power Source, Contactor and DC Buss Power Supply Board
32
Power Modules and Feedback
33
Analog Control Power Supply Board and Weld Control Board
34
Mode Selector and Output Controls
35
Protection Features
36
Insulated Gate Bipolar Transistor (IGBT) Operation
37
Theory of Operation
38
Pulse Width Modulation
38
Chopper Technology Fundamentals
39
Table of Contents
41
How to Use Troubleshooting Guide
42
PC Board Troubleshooting Procedures
43
Troubleshooting Guide
44
Case Cover Assembly Removal and Replacement Procedure
53
Power Module Capacitor Discharge Procedure
55
Input Contactor Coil Resistance and Supply Voltage Test
57
Analog Control Power Supply PC Board Test
60
DC Buss Power Supply PC Board Test
63
Chopper PC Board Input Voltages and Resistance Tests
66
Normal Open Circuit Voltage Waveform (CC Mode)
69
Normal Open Circuit Voltage Waveform CV Mode - Output Control at Maximum
70
Normal Open Circuit Voltage Waveform (CV Mode)
70
Output Control at Maximum
70
Case Front Assembly Removal and Replacement
74
Amps/Volts Digital Meter and Potentiometer Removal and Replacement
79
Input Contactor Removal and Replacement
82
Input Diode Removal and Replacement
85
Fan Motor Assembly Removal and Replacement
88
Power Capacitor Removal and Replacement
91
Chopper PC Board and Diode Module Removal and Replacement
94
Diode Module Removal and Replacement
98
Retest after Repair
100
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