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Welding System
9920
Lincoln Electric 9920 Manuals
Manuals and User Guides for Lincoln Electric 9920. We have
1
Lincoln Electric 9920 manual available for free PDF download: Service Manual
Lincoln Electric 9920 Service Manual (110 pages)
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 2.1 MB
Table of Contents
- Operation Section
15
Table of Contents
15
Operation
16
Operating Instructions
16
Product Descriptions
16
To Set Polarity
16
Set-Up for Various Procedures
17
Connections for Semi-Automatic or Automatic Wire Feeder Control
18
Connecting the Na-3 or Lt-7 to Ide- Alarc DC-1000
18
Connecting the Na-5 to the Idealarc DC-1000
19
Connecting the Ln-8 to the Idealarc DC-1000
20
Connecting the Ln-9 Wire Feeder to the Idealarc DC-1000
21
Connecting the Ln-7 Wire Feeder to the Idealarc DC-1000
22
- Troubleshooting and Repair
35
How to Use Troubleshooting Guide
36
PC Board Troubleshooting Procedures
37
Control Transformer (T2) Voltage Test
47
Main Transformer (T1) Voltage Test
51
Firing Board Test
55
Control Board Test
61
Static SCR Test
67
Active SCR Test
71
Electrical Diagrams
106
Schematic - Complete Machine - Codes 9922, 9924, 9925, 10293M, 11333 (G2147
106
Schematic - Complete Machine - All Other Codes (G2147-1
107
Schematic Control Pc Board (L8556)
108
Schematic - Firing PC Board (L8337
109
Schematic - Output Snubber PC Board (S19699
110
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