Table Of Contents - Lincoln Electric PRECISION TIG 375 IM909 Operator's Manual

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Installation ..........................................................................................................Section A
Technical Specifications ........................................................................................A-1,A-2
Safety Precautions
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 F
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
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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
Sick 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
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Optional Equipment .....................................................................................................C-1
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Maintenance
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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
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Troubleshooting
Safety Precautions .......................................................................................................E-1
How To Use TroubleShooting Guide............................................................................E-1
Troubleshooting.................................................................................................E-2 to E-7
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Diagrams
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Wiring Diagrams
Dimension Prints
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Parts List
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TABLE OF CONTENTS

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REQUENCY
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I P
NTERFERENCE ROTECTION
Page.
A-3
...................A-3,A-4
Section B 1
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Section C
Section D
Section E
Section F
F-1, F-2
F-3, F-4
P-543
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