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12482
Lincoln Electric 12482 Manuals
Manuals and User Guides for Lincoln Electric 12482. We have
1
Lincoln Electric 12482 manual available for free PDF download: Service Manual
Lincoln Electric 12482 Service Manual (86 pages)
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 3 MB
Table of Contents
Section A: Warnings
3
Electric Shock Can Kill
4
Table of Contents
6
Power Wave® R350
6
Service Manual
6
Theory of Operation
8
Main Input Switch, Input Rectifier, Soft Start / Input Relay, DC Link Capacitor, Buck-Boost and Power Factor Correction Control Board
8
Planar Transformer, Output Rectification and Filtering
10
Multi-Phase Chopper, Chopper Control Board, Current Transducer and Digital Control Board
11
DC Bus Board and Robotic Feedhead Board
13
Thermal Protection
14
Protective Circuits
14
Over Current Protection
14
Troubleshooting & Repair
15
How to Use Troubleshooting Guide
15
Pc Board Troubleshooting Procedures
16
Troubleshooting Guide
17
Using the Status Led to Troubleshoot System Problems
23
Under-Voltage Lockout
25
Test Procedures
27
Case Cover Removal and Replacement Procedure
27
Test Description
27
Materials Needed
27
Capacitor Discharge Procedure
29
Power Factor Correction (Pfc) Control Board Test Procedure
31
Digital Control Board Test Procedure
36
Switch Board Test Procedure
40
Input Rectifier Test Procedure
46
Planar Transformer Resistance Test Procedure
48
Output Rectifier Test Procedure
52
Current Transducer Test Procedure
54
DC Bus Board Test Procedure
58
Auxiliary (115 Vac) Board Test Procedure
61
Robotic Feedhead Board Test Procedure
65
Removal and Replacement Procedures
69
Power Factor Correction (Pfc) Control Board Removal and Replacement Procedure
69
Digital Control Board Removal and Replacement Procedure
71
Switch Board Removal and Replacement Procedure
73
Current Transducer Removal and Replacement Procedure
76
DC Bus Board Removal and Replacement Procedure
79
Auxiliary (115 Vac) Board Removal and Replacement Procedure
81
Robotic Feedhead Board Removal and Replacement Procedure
83
Retest after Repair
86
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