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viii
TABLE OF CONTENTS
Page
Installation.......................................................................................................................Section A
Technical Specifications ................................................................................................A-1,A-2
Safety Precautions ...............................................................................................................A-3
Select Suitable Location................................................................................................A-3
Environmental Rating....................................................................................................A-3
Grinding.........................................................................................................................A-3
Stacking ........................................................................................................................A-3
Lifting and Moving.........................................................................................................A-3
Tilting.............................................................................................................................A-3
Machine Grounding and High Frequency Interference Protection .......................................A-4
Input and Grounding Connections ................................................................................A-4
Input Reconnect Procedure ..........................................................................................A-5
Output Connections..............................................................................................................A-5
Connections For Tig (GTAW) Welding..........................................................................A-6
Tig Torch Connections..................................................................................................A-6
Work Cable Connections ..............................................................................................A-6
Shielding Gas Connection.............................................................................................A-6
Remote Control Connection..........................................................................................A-6
Connections For Stick (SMAW) Welding .............................................................................A-6
Stick Electrode Cable and Work Cable Connection......................................................A-6
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Operation.........................................................................................................................Section B
Safety Precautions ...............................................................................................................B-1
Graphic Symbols..................................................................................................................B-1
Product Description..............................................................................................................B-2
Recommended Processes and Equipment..........................................................................B-2
Recommended Processes............................................................................................B-2
Process Limitations ......................................................................................................B-2
Recommended Equipment/Interface.............................................................................B-2
Equipment Limitations...................................................................................................B-2
Welding Capability................................................................................................................B-2
Controls and Settings ...................................................................................................B-3, B-4
Power-Up Sequence ............................................................................................................B-4
Case Rear Components.......................................................................................................B-5
Operating Steps ...................................................................................................................B-6
Welding in TIG Mode ....................................................................................................B-6
Pulse TIG Mode ............................................................................................................B-6
Remote Control Operation ............................................................................................B-7
Benefits of the Precision TIG 225 .................................................................................B-7
Welding in Stick Mode..........................................................................................................B-8
Recommended electrode Amperage Ranges ......................................................................B-9
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Accessories.....................................................................................................Section C
Standard Equipment Options ................................................................................C-1
Factory Installed Options.......................................................................................C-2
Field Installed Options...........................................................................................C-3
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Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
Routine and Periodic Maintenance........................................................................D-1
Spark Gap Adjustment ..........................................................................................D-1
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Troubleshooting..............................................................................................Section E
Safety Precautions.................................................................................................E-1
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting ..................................................................................E-2 THRU E-7
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Diagrams .........................................................................................................Section F
Wiring Diagram ......................................................................................................F-1
Dimension Print ...............................................................................................F-2,F-3
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Parts List..................................................................................P-536,P-210,P-66 Series
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