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MULTI-SOURCE SVM155-A
Lincoln Electric MULTI-SOURCE SVM155-A Manuals
Manuals and User Guides for Lincoln Electric MULTI-SOURCE SVM155-A. We have
1
Lincoln Electric MULTI-SOURCE SVM155-A manual available for free PDF download: Service Manual
Lincoln Electric MULTI-SOURCE SVM155-A Service Manual (96 pages)
Lincoln Electric Welder User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.72 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
Safety Precautions
9
Select Proper Location
9
Stacking
9
Tilting
9
Electrical Input Connections
9
Fuse and Wire Sizes
10
Input and Grounding Connections
10
Reconnect Procedure
10
Output Connections
11
Paralleling
11
Multi-Source Output Limitations
11
Distribution Box
11
Pig Tail" Leads and Connections
11
Operation
13
Operation
14
Safety Instructions
14
Design Features and Advantages
15
General Description
15
Recommended Equipment/Processes
15
Controls and Settings
16
Recommended Equipment/Connections
16
Section C
18
Major Component Locations
21
Section E
24
Troubleshooting and Repair
25
SCR Bridge, Resistor Bank, Firing Board, & Output Capacitor/Resistor
26
SCR Operation
28
Section E
28
Table of Contents
29
How to Use Troubleshooting Guide
30
PC Board Troubleshooting Procedures and Replacement
31
Troubleshooting Guide
32
Control Transformer (T2) Test
37
Test Procedures
37
Input Contactor Test
41
Main Transformer (T1) Voltage Test
45
Lift Bail
47
Static SCR Test
49
Active SCR Test
53
Control Board Test
59
Firing Board Test
63
Normal Open Circuit Voltage Waveform - no Load
69
Typical SCR Gate Voltage Waveform - no Load
71
Input Contactor Cleaning And/Or Replacement
73
Retest after Repair
87
Electrical Diagrams
92
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