Lincoln Electric PRECISION TIG 275 - Manual (Page 7)

TABLE OF CONTENTS
Page.
Installation ..........................................................................................................Section A
Technical Specifications........................................................................................A-1, A-2
Safety Precautions
.. ............................................................................................................................................... .
A-3
Select Suitable Location ........................................................................................A-3
Grinding .................................................................................................................A-3
Stacking .................................................................................................................A-3
Undercarriage Lifting and Moving .........................................................................A-3
Tilting .....................................................................................................................A-3
Environmental Rating ............................................................................................A-3
Machine Grounding and High Frequency Interference Protection .......................A-3, A-4
Input and Grounding Connections ..............................................................................A-4
Output Cable, Connections and Limitations ................................................................A-5
Work Cable Connection ..................................................................................A-5
Stick Electrode Cable Connection ..................................................................A-5
TIG Torch Connection .....................................................................................A-6
Auxiliary Power Connections ..........................................................................A-7
Remote Control (If Used) ................................................................................A-7
Robotic Interface Connection ..................................................................A-7, A-8
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O
PERATION ..........................................................................................................................................................
Section B
-
1
Safety Precautions .......................................................................................................B-1
Product Description......................................................................................................B-1
Pipe Thawing .........................................................................................................B-1
Duty Cycle: ............................................................................................................B-1
Recommended Processes and Equipment ...........................................................B-2
Controls and Settings .............................................................................B-3 Thru B-6
Internal Set Up Controls ........................................................................................B-7
Stick Welding Features..........................................................................................B-7
TIG Welding Features ...........................................................................................B-7
2 Step Trigger Modes......................................................................................B-8
4 Step Trigger Modes ....................................................................................B-9
TIG Welding Cycle Chart ....................................................................................B-10
Setup Guidelines for TIG Welding with an Amptrol .....................................B-10, B11
Making a TIG Weld with an Amptrol ....................................................................B-12
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Accessories
............................................................................................................................................... ....... Section C
Optional Equipment .....................................................................................................C-1
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Maintenance
...................................................................................................................................................... Section D
Safety Precautions.......................................................................................................D-1
Routine and Periodic Maintenance..............................................................................D-1
Overload Protection .....................................................................................................D-1
Service Procedures, Component Access,Spark Gap Adjustment ...............................D-2
Under-Cooler Service ..................................................................................................D-2
Meter Calibration Adjustment.......................................................................................D-3
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Troubleshooting
.............................................................................................................................................
Section E
Safety Precautions .......................................................................................................E-1
How To Use TroubleShooting Guide............................................................................E-1
Troubleshooting .................................................................................................E-2 to E-7
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Diagrams
.............................................................................................................................................................. Section F
Wiring Diagrams .............................................................................................................................................. F-1, F-2
Dimension Prints
.............................................................................................................................................
F-3, F-4
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Parts List
...................................................................................................................................................................... P-558
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