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PRECISION TIG 185
Lincoln Electric PRECISION TIG 185 Manuals
Manuals and User Guides for Lincoln Electric PRECISION TIG 185. We have
2
Lincoln Electric PRECISION TIG 185 manuals available for free PDF download: Service Manual, Operator's Manual
Lincoln Electric PRECISION TIG 185 Service Manual (104 pages)
Lincoln Electric Welder User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 2.02 MB
Table of Contents
Master for All Sections
6
Service Manual
1
Safety
2
Electric Shock Can Kill
3
Table of Contents
6
Installation Section
7
Installation
8
Output Range
8
Technical Specifications
8
Machine Grounding and High Frequency Interference Protection
10
Safety Precautions
10
Select Suitable Location
10
Environmental Rating
10
Grinding
10
Lifting and Moving
10
Stacking
10
Tilting
10
Input Connections
11
Input Reconnect Procedure
12
Output Connections
12
Connections for TIG Welding
12
TIG Torch Connection
12
Remote Control Connection
13
Shielding Gas Connection
13
Work Cable Connection
13
Connections for Stick Welding
13
Stick Electrode Cable and Work Cable Connection
13
Table of Contents
15
Graphic Symbols
16
Operation
17
Operation
16
Safety Precautions
16
Product Description
17
Recommended Processes and Equipment
17
Welding Capability (Duty Cycle
17
Control Functionality
18
Controls and Settings
18
Operating Steps
19
Pulse TIG Control
19
Welding in TIG Mode
19
Benefits of the Precision TIG 185 Design
20
Remote Control Operation
20
Recommended Electrode Amperage Ranges
21
Accessories
24
Welding in Stick Mode
21
Maintenance Section
27
Maintenance
28
D-4 D-4 Notes
31
Theory of Operation
32
General Description
32
Input Power Circuit
32
Output Rectification and Feedback Control
33
High Voltage/High Frequency Circuit
34
DC Welding Output
35
AC Welding Output
36
SCR Operation
37
Overload Protection
38
Protective Circuits
38
Thermal Protection
38
Table of Contents
39
Pc Board Troubleshooting Procedures
41
Troubleshooting Guide
42
High Frequency Circuit Disable Procedure
53
T1 Transformer Test
55
Static SCR Test
59
Active SCR Test
63
Normal Open Circuit Voltage Waveform-AC TIG Mode
67
Normal Open Circuit Voltage Waveform-DC TIG Mode
68
Normal Open Circuit Voltage Waveform-AC Stick Mode
69
Normal Open Circuit Voltage Waveform-DC Stick Mode
70
Typical Output Voltage Waveform-Machine Loaded AC TIG Mode
71
Typical Output Voltage Waveform-Machine Loaded DC TIG Mode
72
Typical Output Voltage Waveform-Machine Loaded AC Stick Mode
73
Typical Output Voltage Waveform-Machine Loaded DC Stick Mode
74
Troubleshooting and Repair
77
SCR Bridge Assembly Removal and Replacement
77
Polarity Switch Removal and Replacement
83
Polarity Switch
85
High Voltage Transformer Removal and Replacement
87
Retest after Repair
95
Electrical Diagrams
98
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Lincoln Electric PRECISION TIG 185 Operator's Manual (38 pages)
Lincoln Electric Portable Generator User Manual
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 1.47 MB
Table of Contents
California Proposition 65 Warnings
2
Table of Contents
9
Installation
10
Technical Specifications
10
Safety Precautions
12
Select Suitable Location
12
Grinding
12
Stacking
12
Tilting
12
Lifting and Moving
12
Environmental Rating
12
Machine Grounding and High Frequency Interference Protection
12
Input Connections
13
Input Reconnect Procedure
14
Output Connections
14
Connections for Tig (GTAW) Welding
14
Tig Torch Connections
14
Work Cable Connections
15
Shielding Gas Connection
15
Remote Control Connection
15
Connections for Stick (SMAW) Welding
15
Stick Electrode Cable and Work Cable Connection
15
Operation
16
Safety Precautions
16
Graphic Symbols
16
Product Description
17
Recommended Processes and Equipment
17
Recommended Processes
17
Process Limitations
17
Recommended Equipment/Interface
17
Equipment Limitations
17
Welding Capability
17
Controls and Settings
18
Operating Steps
19
Welding in TIG Mode
19
Remote Control Operation
20
Benefits of the Precision TIG 185
20
Welding in Stick Mode
21
Accessories
22
Factory Installed Options
22
Field Installed Options
23
Maintenance
24
Safety Precautions
24
Routine and Periodic Maintenance
24
Troubleshooting
25
How to Use Troubleshooting Guide
25
Troubleshooting
26
Diagrams
32
Wiring Diagram
32
Dimension Print
33
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