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NA-3S
Lincoln Electric NA-3S Manuals
Manuals and User Guides for Lincoln Electric NA-3S. We have
4
Lincoln Electric NA-3S manuals available for free PDF download: Operator's Manual, Service Manual, Specification Sheet
Lincoln Electric NA-3S Service Manual (110 pages)
NA-3 series, NA-4 series AUTOMATIC WELDING SYSTEMS
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 2.7 MB
Table of Contents
VI VI Master for All Sections
7
Safety
3
Table of Contents
7
Installation Section
8
Installation
9
Technical Specifications
9
Mechanical Installation
11
Introduction
11
Control Box Installation
11
Welding Head Installation
12
Electrical Installation
13
Input Power Requirements
13
Control Box to Welding Head Connections
13
Power Supply to Control Box Connections
14
Na-3N
14
Na-3S
15
Power Source Connection Diagrams
16
Types "-O" or "-OF" and M.G. Solid State Field Control
17
Line Voltage Compensator
21
CV/CVI Power Sources
23
Current Control) to an AC-1000
25
Current Control) to an AC-1200
26
- Operating Instructions Section -
30
Operating Instructions
31
Safety Precautions
31
Operator'sinstructions
31
Controls and Their Functions
32
Na-3N
32
NA-3S (When Connected to a Constant Current Power Source
33
Inner Control Panel
34
Setting for CV or CC Power Sources
35
Optional Electronic Voltmeter Operation
35
Welding with DC Constant Voltage (CV
36
Mechanical Setup
36
Electrical Setup
36
Control Adjustments and Test Welding
37
Welding with DC or AC Constant Current (CC
40
Mechanical Setup
40
Electrical Setup
40
Control Adjustments and Test Welding
41
Starting and Stopping Sequences
43
Available Starting Sequences
43
Setting Travel Starting and Stopping
43
- Accessories Section -
48
Accessories
49
General
49
Listing of Accessories
50
K29 Vertical Lift Adjuster
50
K58 Magnetic Separator
50
K218 Horizontal Fillet/Lap Attachment
50
K96 Horizontal Adjuster
50
K219 Flux Hopper Kit
50
K129 Submerged Arc Small Wire Twinarc
50
K221 Start Controls Pc Board
51
K238 High Frequency Unit
51
K223 Solenoid Kit
51
K225 Submerged Arc Twinarc Kit
51
K245 Crater Control Board
51
K237 Linc-Fill Starting Relay
51
K263 DC Electronic Voltmeter
52
K310 Flux Screen
52
K325 Tc-3 Travel Carriage
52
K386 Narrow Gap, Deep Groove Nozzle
52
K391 High Capacity Submerged Arc Nozzle
52
K405 Automatic Innershield Nozzle
52
K299 Wire Reel Assembly
52
- Maintenance Section -
54
Maintenance Section
54
Maintenance
55
Control Box
55
General
55
Circuit Protection
55
Welding Head
56
Wire Drive Gearbox
56
Wire Drive Motor
56
Wire Drive Mechanism
58
Wire Straighteners
58
Optional Features
59
Contact Assemblies
59
Travel Carriage
59
Vertical Lift Adjuster
59
Horizontal Adjuster
59
Table of Contents
60
Theory of Operation
61
General Description
61
Input Power Circuits
61
Control and Logic Boards
62
Variable Voltage Board
63
Optional Start and Crater Fill Boards
64
SCR Operation
65
- Troubleshooting and Repair Section -
66
Troubleshooting and Repair
68
PC Board Troubleshooting Procedures
68
Troubleshooting Guide
69
Troubleshooting Guide
70
PC Board LED Definitions
84
Wire Feed Drive Motor Test
86
Test Procedures
87
Reed Switch (4CR) and Shunt Assembly Removal and Replacement (NA-3 Only
88
AC Current Transformer and Sensor PC Board Removal and Replacement (NA-4 Only
92
Wire Drive Motor Removal and Replacement
95
PC Board(S) Removal and Replacement
97
Retest after Repair
99
Operating Schematic
104
Logic PC Board (G1379-2 & Above) Schematic
106
Electrical Diagrams
107
Variable Voltage PC Board (L5394-2 & Above) Schematic
107
Control PC Board (L5224-5 & Above) Schematic
108
Start PC Board (L9917-1 & Above) Schematic
109
Crater Fill PC Board (L5222-2 & Above) Schematic
110
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Lincoln Electric NA-3S Operator's Manual (164 pages)
Brand:
Lincoln Electric
| Category:
Controller
| Size: 42.89 MB
Lincoln Electric NA-3S Operator's Manual (112 pages)
NA-3 series, NA-4 series AUTOMATIC WELDING SYSTEMS
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 7.03 MB
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Lincoln Electric NA-3S Specification Sheet (8 pages)
NA-3 and NA-4 series Automatic Welding Systems with SOLID STATE Controls
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 2.21 MB
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