Lincoln Electric TIG 375 manual TIG Torch Connection, Figure A.2

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A-6

INSTALLATION

A-6

 

FIGURE A.2

 

 

REMOTE

TIG TORCH

 

CONTROL

CONNECTION

 

RECEPTACLE

PANEL

 

 

 

STICK

WORK

 

STICK

WORK

 

 

 

ELECTRODE

STUD

 

STUD

 

 

(Shown without hinged stud cover)

CABLE

 

FIGURE A

 

 

STRAIN

 

 

RELIEF HOLES

TIG TORCH CONNECTION

The Precision TIG torch connection box, located on the right side of the machine, provides all the input and output connections for the installation of both air- cooled and water-cooled TIG torches with fittings con- forming to Compressed Gas Association (CGA) stan- dards:

Note: The Precision TIG provides an insulated Torch Reel and Holster for handy and safe storage of con- nected torch when not welding, and excess torch cable length while welding.

WARNING

Combination connectors (Power/Water and Power/Gas) are electrically "hot" while welding in STICK or TIG modes.

If using an Air-Cooled Torch be sure coolant is shut off and/or Cooler is unplugged from the Precision TIG Water Cooler Receptacle on the torch side of the upper case back.

Observe the safety precautions necessary for han- dling and using compressed gas containers. Contact your supplier for specifics.

CYLINDER could explode

if damaged.

• Keep cylinder upright and chained to a support.

Keep cylinder away from areas where it could be damaged.

Never allow the torch to touch the cylinder.

Keep cylinder away from live electrical cir- cuits.

Maximum inlet pressure 150 psi.

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The Precision TIG machines do not have Hi-Freq. available at the Stick electrode stud, therefore stud connection adapters (such as LECO. S19257-series) cannot be used for torch connection.

Single-piece cable air-cooled torches with a 3/8-24 RH connector fitting (such as the Magnum PTA-9/-17, or LA- 9/-17) require the provided S20403-4 Torch Connector, while those with a 7/8-14 RH connector fitting (such as the Magnum PTA-26, or LA-26) require the available K2166-1 Torch Connector. (See Figure A.3)

Two-piece cable air-cooled torches (such as PTA-, or LA- torches) can be used with the available K2166-2 1/2” Stud Connector with with a 7/8-14 LH male fitting.

Magnum PTW-18/-20 (or LW-) water-cooled Torches require no adapter for Precision TIG connection.

PRECISION TIG 375

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Contents Precision TIG Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a LʼArc Précautions DE SûretéThank You Table of Contents Rated Input Single Phase only InstallationDuty Cycle-Applications Volts at Rated Amperes Amps Precision TIGPhysical Dimensions Recommended Input Wire and Fuse SizesTemperature Ranges Additional Output CapacitySafety Precautions Input and Grounding Connections Work Cable Connection Output CABLES, Connections and LimitationsStick Electrode Cable Connection Figure A.2 TIG Torch ConnectionFigure A.3 Auxiliary Power ConnectionsFigure A.4 Robotic Interface ConnectionProduct Description OperationPipe Thawing Welding SparksRecommended Processes Recommended Processes and EquipmentProcess Limitations Equipment LimitationsFigure B.1 Control Panel Controls and SettingsOperation Display TIG Mode MenuAdvanced Panel Controls Do not USE 4-STEP if Using AN Amptrol RemoteOperation TIG Welding Features Internal SET UP ControlsStick Welding Features Figure B.3 Figure B.4 Setup Guidelines for TIG Welding With AN Amptrol TIG Weld Cycle ChartFigure B.6 Smaw Process Making a TIG Weld with AN AmptrolGtaw Process Factory Installed Options AccessoriesField Installed Options Optional EquipmentSafety Precautions MaintenanceRoutine and Periodic Maintenance Overload ProtectionComponent Access Service ProceduresSpark GAP Adjustment UNDER-COOLER ServiceHOW to USE Troubleshooting Guide TroubleshootingOutput Problems SymptomsCourse of Action GAS Problems Meter ProblemsHI-FREQ Problems Preset & Output Control Problems TIG Welding Problems Stick Welding ProblemsTIG Problems Wiring Diagram Wiring Diagram Dimension Print K2622-1 Domestic Precaucion Aviso DE