Lincoln Electric 50548 Manuals

Manuals and User Guides for Lincoln Electric 50548. We have 1 Lincoln Electric 50548 manual available for free PDF download: Service Manual

Lincoln Electric 50548 Service Manual

Lincoln Electric 50548 Service Manual (65 pages)

Brand: Lincoln Electric | Category: Welding System | Size: 6 MB

Table of Contents

Table of Contents
2
Technical Specifications
3
Index of Contents
4
Eco Design Information
5
Electromagnetic Compatibility (Emc)
7
Safety
8
Introduction
10
Installation and Operator Instructions
10
Connection Configuration
17
Maintenance
18
DC Bus Capacitors Discharge Procedure
19
Theory of Operation
21
Troubleshooting and Repair Section
27
Case Cover Removal and DC Bus Capacitor Discharge Procedure
31
Main Contactor (K1) and Aux. Transf. (T2) Test
34
Emc Filter Board Test
37
Input Rectifier Test
39
40Vdc Bus Power Supply Board Test
41
Switch Board Resistance and Voltage Test
43
Fan and Fan Circuit Test
46
Green Mode Board Test
48
Output Rectifier Modules Resistance Test
50
Disassembly Operations
52
Retest after Repair
59
Electrical Schematics
60
Error Codes
61
Note
65

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