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LN-8 SVM132-A
User Manuals: Lincoln Electric LN-8 SVM132-A Feeder
Manuals and User Guides for Lincoln Electric LN-8 SVM132-A Feeder. We have
1
Lincoln Electric LN-8 SVM132-A Feeder manual available for free PDF download: Service Manual
Lincoln Electric LN-8 SVM132-A Service Manual (99 pages)
SEMIAUTOMATIC WIRE FEEDER
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1 MB
Table of Contents
Master for All Sections
6
Service Manual
1
Safety
2
California Proposition 65 Warnings
2
Electric and Magnetic Fields
2
Electric Shock Can Kill
3
Table of Contents
6
Installation Section
7
Technical Specifications
8
Installation
8
Mounting Location
9
Power Source Connections
9
LN-8N and LN-8NE
9
LN-8S and LN-8SE (and Converted LN-8N and LN-8NE)
10
Power Source Connection Diagrams
11
(With LVC) (Discontinued)
12
Connection of LN-8 to an Idealarc R3S-400, 600 or
12
(Without LVC) (Discontinued)
13
Connection of LN-8 to a Sam Motor-Generator or Engine Driven Welder
14
Connection of LN-8 to R3S-250 and R3S-325
15
Connection of LN-8 to
16
Connection of LN-8 to DC-250, 400 and CV/CVI Power Sources
17
To LN-8 for same Polarity Operation
18
To LN-8 for Opposite Polarity Operation
19
For Power Sources Other than Lincoln Electric
20
Input Cable Connections
21
LN-8N and LN-8S
21
LN-8NE and LN-8SE
21
Self-Tapping Screw
23
Gun and Cable Assemblies
24
LN-8S and LN-8SE Continuous Flux Feed (Submerged Arc
24
General
24
Gun Cable Connections
24
Handling Procedures
24
LN-8S and LN-8SE Continuous Flux Feed (Submerged Arc)
24
Operation
25
Controls and Their Functions
26
Operation
26
Constant Current Controls
26
Constant Voltage Controls
27
Operation
27
Safety Instructions
26
Avoiding Ground Lead Protector (GLP) Activation
28
Circuit Protection
28
Wire Feed Rolls and Guide Tubes
29
Setting for CV or CC Power Sources
30
Welding with a Constant Current Power Source
31
Welding with a Constant Voltage Power Source
31
Wire Reel Loading - 50 and 60 Lb. Coils (K303 Wire Reel Stand
32
Wire Reel Loading - 50 and 60 Lb Coils (K303 Wire Reel Stand
32
Wire Reel Loading (K1524-1 Unversal Wire Reel Stand
33
Wire Reel Loading (K1524-1 Universal Wire Reel Stand
33
Feeding Electrode to the LN-8N or LN-8S
35
Feeding Electrode to the LN-8NE or LN-8SE (with Extension
35
Flux Tank Loading
36
Slow Acceleration Starting (Code 7926 and above
36
Accessories
37
General
38
K161 Mechanized Travel Power Pack
39
K119 Gravity Feed Flux Cone
39
K58 Magnetic Separator
39
K178 Mounting Platform
39
K202 Burnback Kit
39
K310 Flux Screen
39
K261 Meter Kit
39
K320 Flux Tank
39
Accessories
39
Reel Mounting Accessories
40
K1524-1 Universal Reel Stand and Base Assembly
40
K240 Contactor Kit
40
M11514 Wire Reel Dust Shield Door for K
40
Welding Guns
41
Welding Gun Accessories
41
Constant Current Conversion Parts
41
Gmaw Guns
41
Innershield Guns
41
K110 Hand Travel Unit
41
K62 Squirtmobile
41
K70 Fillet Guide
41
Submerged Arc Guns
41
Periodic Maintenance
43
Routine Maintenance
43
Control Box
44
Drive Rolls and Guide Tubes
44
Gun and Cable Maintenance
44
Wire Drive Motor and Gearbox
44
Wire Reel Mounting
44
Routine Maintenance
44
Periodic Maintenance
44
Theory of Operation
45
General Description
46
Power Input Circuits
46
Theory of Operation
46
Gun Trigger and 1CR Relay Contact Control Circuits
47
And Remote Output Controls
48
Variable Voltage Board, Meter Shunt, Wire Speed and Remote Output Controls
48
Variable Voltage Board, Meter Shunt, Wire Speed
48
SCR Operation
49
Troubleshooting and Repair
51
How to Use Troubleshooting Guide
52
Troubleshooting and Repair
52
PC Board Troubleshooting Procedures
53
Electric Shock
53
Troubleshooting Guide
54
Troubleshooting and Repair
55
Ln-8 Electrical Sequence of Operation
60
Test Procedures
62
Trigger Transformer Test
62
Materials Needed
62
Test Description
62
Test Procedures
63
Internal Voltage Test
64
Troubleshooting and Repair
65
1CR Relay Test
67
Drive Motor Test
70
After Testing
73
Potentiometer Replacement
74
Circuit Breaker Replacement
76
Ground Lead Protector Push Button Switch Replacement
78
Trigger Transformer Replacement
80
PC Board Replacement
82
Control Pc Board Removal and Replacement
84
Wire Drive Assembly and Component Replacement
85
Retest after Repair
90
Electrical Diagrams
92
Wiring Diagram
92
Connection Schematic
93
Operating Schematic
94
Electrical Diagrams
95
Control Board (L5767) Schematic
95
Variable Voltage Board (L5039) Schematic
96
Control Board (L5767) Layout
97
Variable Voltage Board (L5039) Layout
98
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