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Welding System
CV-655
Lincoln CV-655 Manuals
Manuals and User Guides for Lincoln CV-655. We have
1
Lincoln CV-655 manual available for free PDF download: Service Manual
Lincoln CV-655 Service Manual (109 pages)
Brand:
Lincoln
| Category:
Welding System
| Size: 1.79 MB
Table of Contents
V Master for All Sections
6
Service Manual
1
Safety
3
Electric Shock Can Kill
3
Table of Contents
6
Installation Section
7
Installation
8
Technical Specifications
8
Graphic Symbols that Appear on Rating Plate
9
Electrical Input Connections
10
Safety Precautions
10
Select Suitable Location (Stacking, Tilting, Lifting
10
Select Suitable Location
10
Fuse and Wire Sizes
10
Ground Connection
10
Stacking
10
Tilting
10
Input Power Supply Connections
11
Reconnect Procedure
11
Electrode and Work Cables
12
Output Connections
12
Auxiliary Power and Control Connections
13
Auxiliary Power Table
13
Pin MS Type Receptacle
13
Receptacle
13
Terminal Strips
14
Operation
15
Operation
16
Safety Precautions
16
Operating Instructions
16
General Description
17
Design Features and Advantages
17
Recommended Processes and Equipment
17
Welding Capability
17
Controls and Settings
18
Case Back Connections
20
Auxiliary Power
20
VAC Auxiliary Receptacle
20
Thermal Fan Control
20
Overload Protection
20
Accessories
21
Accessories
22
Field Installed Options
22
Connection of Lincoln Electric Automatic or Semiautomatic Wire Feeders
23
Automatic Wire Feeders
23
Or LT-7 (Terminal Strip
24
Or NA-5R (Terminal Strip
24
14-Pin MS Receptacle
26
Semiautomatic Wire Feeders
26
Or LN-9 (Terminal Strip
27
Terminal Strip
27
14-Pin MS Receptacle
29
Power Source
29
Wire Feeder
29
Maintenance
31
General Maintenance
31
Fan Motor Fuse
38
Scr Operation
39
How to Use Troubleshooting Guide
41
Troubleshooting and Repair
41
How to Use Troubleshooting Guide
41
Pc Board Troubleshooting Procedures
43
Troubleshooting & Repair Section
44
Troubleshooting Guide
45
Internal Trigger Circuit Test
53
Firing Board Test
57
Main Transformer (T1) Voltage Test
62
Control Board Transformer (T3) Test
70
Input Contactor Test
72
Static SCR Test
75
Active SCR Test
78
Thermal Fan/Snubber Board LED Chart
81
Control Board LED Chart
82
Normal Open Circuit Voltage Waveform-Maximum Output Setting
83
Typical Output Voltage Waveform-Machine Loaded
84
Abnormal Open Circuit Voltage Waveform-Maximum Output Setting (no Load
86
Typical Scr Gate Voltage Waveform
87
Input Contactor (CR1) Cleaning/Replacement
89
Retest after Repair
97
Electrical Diagrams
100
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