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LN-9 SVM127-A
Lincoln Electric LN-9 SVM127-A Manuals
Manuals and User Guides for Lincoln Electric LN-9 SVM127-A. We have
1
Lincoln Electric LN-9 SVM127-A manual available for free PDF download: Service Manual
Lincoln Electric LN-9 SVM127-A Service Manual (135 pages)
Wire Feeder
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.49 MB
Table of Contents
Master for All Sections
6
Safety
2
Electric Shock Can Kill
3
Table of Contents
6
Installation
8
Technical Specifications
8
Installing the LN-9F 2-Roll and 4-Roll Models
9
Installing the LN-9N and LN-9S 2-Roll and 4-Roll Models
9
Attaching the Wire Reel Stand
9
Connecting the Wire Feed Unit to the Control Box
9
Mounting the Control Box
9
Mounting the Unit
9
Mounting the Wire Feed Unit
9
Electrical Connections - LN-9 and LN-9F
10
Power Input Cable Assembly
10
Routing the Electrode
10
Connecting the Power Input Cable Assembly to the LN-9NE or LN-9SE
11
Connecting the Power Input Cable Assembly to the LN-9F
12
Connecting the Power Input Cable Assembly to Power Sources
13
Machine Grounding
18
Work Cable Connection
18
Connecting the Gun Cable to the Wire Feeder
19
Operation
21
Operation
22
Safety Instructions
22
General Description
23
Recommended Processes and Equipment
23
DC Constant Voltage Power Sources
23
Controls and Settings
24
Circuit Protection and Automatic Shutdown
27
Drive Roll Installation and Pressure Setting
29
Changing Wire Feed Rolls and Guide Tubes for 2-Roll Wire Feeders
29
Setting the Idler Roll Spring Pressure (2-Roll Wire Drives
30
Changing Wire Feed Rolls and Guide Tubes for 4-Roll Wire Feeders
31
Setting the Idler Roll Pressure (4-Roll Wire Drives
31
Wire Loading
34
Loading a 22 to 30 Lb. Readi-Reel Package
34
Loading and Feeding Readi-Reels or Spools
34
Loading a 15 to 30 Lb. Spool
35
Loading 50 and 60 Lb. Coils and Brake Adjustment
36
Loading and Feeding 13-14 Lb. Innershield Coils
37
Making a Test Weld and Adjusting Response and Starting Characteristics
38
Adjust the Power Source
38
Adjust the LN-9 Controls
39
Starting Characteristics
39
Voltage Control Response
39
Procedure at End of Coil
40
Security of Weld Procedure Settings
40
Making a Weld
40
Auxiliary Equipment Contacts
41
Accessories
42
Auxiliary Equipment Contacts
42
Optional Equipment and Accessories
42
Accessories
42
Lb. Readi-Reel Mounting Stand (K445
42
Lb. Wire Reel Mounting Stand (K303
42
Power Input Cable Assemblies (K196, K595, K596
42
Wire Reel Stands and Mountings
42
Attaching the Wire Reel Stands
43
Lb. Wire Reel Assembly for Customer Mounting (K299
43
Readi-Reel Adapters
43
Small Mounting Stand for 13-14 Lb. Innershield Coils (K378
43
Small Mounting Stand for Readi-Reel Coils or 2" I.D. Spools (K377
43
Spindle for Readi-Reels and 2" I.D. Spools (K162-H
43
Wire Reel Door Kit (M-11514
43
Gun and Cable Assemblies
44
Burnback Delay Kit (K202
45
Dual Procedure Kit (K319
45
Dual Process Kit (K317
45
Pulse Power Filter Conversion Kit (K442-1
45
Wire Feeder Accessories
45
Continuous Flux Feed Tank (K320
46
Flux Screen (K310
46
K320 Flux Tank Loading
46
Swivel Platform (K178-1
46
Undercarriage (K163
46
Enclosed Reel Mounting (K304
47
Extension Assembly (K307 or K308
47
Fillet Guide (K70
47
Gas Solenoid Kits
47
Linc-Fill Guides
47
Magnetic Separator (K58
47
Mechanized Hand Travel Unit (K110
47
Mechanized Travel Power Pack (K161-XX
47
Power Extended Wire Drive (K392
47
Squirtmobile (K62
47
Gun and Cable Maintenance
49
Periodic Maintenance
49
Routine Maintenance
49
Maintenance
50
Routine Maintenance
50
Periodic Maintenance
50
Gun and Cable Maintenance
51
Theory of Operation
53
Theory of Operation
54
General Description
54
Power Input Circuits
54
Trigger and Shutdown Circuit
55
Arc Voltage, Wire Speed Control and Metering
56
Printed Circuit Board Functions
57
Table of Contents
59
How to Use Troubleshooting Guide
60
Troubleshooting and Repair
61
PC Board Troubleshooting Procedures
61
Troubleshooting Guide
62
T1 Transformer Test
81
T2 Transformer Test
84
Wire Drive Motor and Tach Feedback Test
88
Voltmeter Accuracy Test
92
Meter Circuit Accuracy Test
95
Wire Speed Accuracy Test
100
Out of Voltage Range Shut down Test
102
General Power Supply Tests
105
Digital Meter and Meter PC Board Removal and Replacement
108
Reed Switch (CR2) Removal and Replacement
111
T1 Transformer Removal and Replacement
113
Tach PC Board Removal and Replacement
118
Drive Motor Removal and Replacement
122
Retest after Repair
127
Electrical Diagrams
131
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