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IDEALARC SVM 122-A
Lincoln Electric IDEALARC SVM 122-A Manuals
Manuals and User Guides for Lincoln Electric IDEALARC SVM 122-A. We have
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Lincoln Electric IDEALARC SVM 122-A manual available for free PDF download: Service Manual
Lincoln Electric IDEALARC SVM 122-A Service Manual (116 pages)
Lincoln Electric Welder User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.63 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 Idealarc
8
Physical Dimensions
8
Safety Precautions
9
Select Suitable Location (Stacking, Tilting, Lifting
9
Select Suitable Location
9
Lifting
9
Stacking
9
Tilting
9
Ground Connection
10
Input Connections
10
Input Supply Connections
10
Input Wire and Fuse Size
11
Reconnect Procedure
12
Output Connections
13
Wire Feeder Connections
14
Operation Section
15
Operation
16
Safety Instructions
16
General Description
17
Controls and Settings
18
Welding Operation
20
Overload Protection
23
Auxiliary Power
23
Accessories
24
Accessories
25
Options/Accessories
25
Factory Installed Option
25
Field Installed Options
25
Cover for 14-Pin Amphenol
25
Multiprocess Switch (K804-1
25
Amptrol Adapter Cable (K843
27
Remote Control Adapter Cable (K864
27
Amptrol Adapter for K799 (K915
29
Capacitor Discharge Circuit (K828-1
29
Hi-Freq Kit (K799
29
Undercarriages (K817, K817R, K841
29
Connection of Lincoln Electric Automatic or Semiautomatic Wire Feeders
29
Automatic Wire Feeders
29
Or NA-5 (14-Pin Amphenol
29
Terminal Strip
29
Semiautomatic Wire Feeders
32
14-Pin Amphenol
32
Routine and Periodic Maintenance
37
Maintenance
38
Safety Precautions
38
Routine and Periodic Maintenance
38
Theory of Operation
40
Theory of Operation
41
General Description
41
Input Line Voltage, Contactor and Main Transformer
41
Output Mode and Control, Rectification and Feedback
42
Protective Devices and Circuits
43
SCR Operation
44
Troubleshooting & Repair Section
45
Troubleshooting and Repair
46
How to Use Troubleshooting Guide
46
Troubleshooting & Repair Section
46
PC Board Troubleshooting Procedures
47
Troubleshooting Guide
48
Troubleshooting Guide
49
Input Contactor Test
59
Test Procedures
59
Control Transformer (T2) Voltage Test
62
Main Transformer (T1) Voltage Test
65
Static Scr/Diode Rectifier Bridge Test
70
Active SCR Test
73
Normal Open Circuit Voltage Waveform-Constant Current Mode
77
Normal Open Circuit Voltage Waveform-Constant Voltage FCAW/GMAW
78
Normal Open Circuit Voltage Waveform-Constant Voltage Subarc
79
Typical SCR Gate Voltage Waveform-Constant Voltage Subarc
82
Abnormal Open Circuit Voltage Waveform-Constant Voltage Subarc
83
Input Contactor (CR1) Cleaning/Replacement
84
Replacement Procedures
85
Fan Motor and Blade Removal and Replacement
86
Scr/Diode Rectifier Assembly Removal and Replacement
88
SCR Removal and Replacement
90
Mounting of Stud Type Diodes to Aluminum Heat Sinks
96
Main Transformer Removal and Replacement
98
Retest after Repair
105
Wiring Diagram (Codes 9847, 9848
109
Wiring Diagram (Code 9850
110
Control PC Board (G2588) Layout
111
Starting PC Board (M14520) Layout
112
Snubber PC Board (M15370) Layout
113
Control PC Board (G2588) Schematic
114
Electrical Diagrams
114
Starting PC Board (M14520) Schematic
115
General Information
115
Snubber PC Board (M15370) Schematic
116
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