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SQUARE WAVE TIG 255 SVM100-A
Lincoln Electric SQUARE WAVE TIG 255 SVM100-A Manuals
Manuals and User Guides for Lincoln Electric SQUARE WAVE TIG 255 SVM100-A. We have
1
Lincoln Electric SQUARE WAVE TIG 255 SVM100-A manual available for free PDF download: Service Manual
Lincoln Electric SQUARE WAVE TIG 255 SVM100-A Service Manual (100 pages)
Lincoln Electric Appliance Trim Kit User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.73 MB
Table of Contents
Master for All Sections
6
Square Wave Tig
1
Safety
4
Table of Contents
6
Installation
8
Technical Specifications
8
Physical Dimensions
8
Location
9
High Frequency Interference Protection
9
Stacking
9
Tilting
9
Input Connections
10
Output Connections
11
Reconnect Procedure
11
General Description/Design Features and Advantages
13
Design Features and Advantages
13
General Description
13
Welding Capability
13
Operation
14
Safety Precautions
14
Operation
15
Graphic Symbols
15
General Description
17
Design Features and Advantages
17
Welding Capability
18
Limitations
18
Controls and Settings
19
Control Panel Keys
19
Case Front Controls
20
Hand and Foot Amptrol Operation
21
Welding Operation
21
TIG Welding Guidelines
21
TIG Welding Sequence of Operation (2-Step Mode
22
Hand and Foot Amptrol Operation
23
TIG Welding Sequence of Operation (4-Step Mode
23
Advanced Tig Welding Features
24
Auxillary Power
24
Overload Protection
25
Accessories
28
Routine and Periodic Maintenance
29
Maintenance
30
Routine and Periodic Maintenance
30
- Theory of Operation Section -
33
Thermal Protection
33
Theory of Operation Section
34
Input Line Voltage and Main Transformer
34
Theory of Operation
35
Output Rectification and Feedback Control
35
High Voltage / High Frequency Circuit
36
DC Welding Output
37
AC Welding Output
38
SCR Operation
39
Thermal Protection
40
Square Wave Tig
41
Troubleshooting and Repair
42
How to Use Troubleshooting Guide
42
PC Board Troubleshooting Procedures
43
Troubleshooting Guide
44
PC Board Connector Locations
57
Control Transformer Voltage Test
58
Protection/Snubber Board Continuity Test
61
Arc Start Trigger Circuit Test
64
Static SCR Test
67
Active SCR Test
69
Normal Open Circuit Voltage Waveform DC Stick Mode
72
Normal Open Circuit Voltage Waveform AC Stick Mode
73
Normal Open Circuit Voltage Waveform DC TIG Mode
74
Normal Open Circuit Voltage Waveform AC TIG Mode
75
Typical Output Voltage Waveform Machine Loaded DC TIG Mode
76
Typical SCR Gate Voltage Waveform
78
Fan Motor and Blade Removal
81
SCR Heatsink Assembly Removal
83
Retest after Repair
85
Electrical Diagrams
87
Electrical Diagrams
89
Wiring Diagram
95
Machine Schematic
96
Control Board Schematic (G2150
97
Protection/Snubber Board Schematic (L9255
99
Keypad LED Board (L9212
100
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