Lincoln Electric SQUARE WAVE TIG 175 PRO Operator's Manual
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Lincoln Electric SQUARE WAVE TIG 175 PRO Operator's Manual

Lincoln electric welder user manual
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Square Wave TIG 175 PRO
For use with machines having Code Numbers:
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thoughtful
operation on your part. DO NOT
INSTALL, OPERATE OR REPAIR
THIS
EQUIPMENT
WITHOUT
READING THIS MANUAL AND
THE SAFETY PRECAUTIONS
CONTAINED
THROUGHOUT.
And, most importantly, think before
you act and be careful.
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
RETURN TO MAIN MENU
10734
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
IM688
January, 2000

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Summary of Contents for Lincoln Electric SQUARE WAVE TIG 175 PRO

  • Page 1 Square Wave TIG 175 PRO For use with machines having Code Numbers: Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ... and thoughtful operation on your part.

  • Page 2: California Proposition 65 Warnings

    Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

  • Page 3: Electric Shock Can Kill

    ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands.
  • Page 4 WELDING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas.

  • Page 5: Safety

    PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous contre la secousse électrique: a.
  • Page 6 This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment. for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product •••...

  • Page 7: Table Of Contents

    SAFETY ...i-iv INSTALLATION SECTION ...1 TECHNICAL SPECIFICATIONS...1 SELECT SUITABLE LOCATION...2 STACKING ...2 LIFTING & MOVING ...2 TILTING ...2 ENVIRONMENTAL RATING ...2 MACHINE GROUNDING AND HIGH FREQUENCY INTERFERENCE PROTECTION .2 INPUT CONNECTIONS ...3 INPUT RECONNECT PROCEDURE ...3 OUTPUT CONNECTIONS ...4 CONNECTIONS FOR TIG (GTAW) WELDING...4 TIG TORCH CONNECTION ...4 WORK CABLE CONNECTION...4 SHIELDING GAS CONNECTION ...4...

  • Page 8: Installation Section

    TECHNICAL SPECIFICATIONS - Square Wave TIG 175 PRO (K1582-2 only) Standard Voltage 240/380/415/1/50/60 Additional Lincoln Rating 220-240/400-415/1/50/60 Duty Cycle GTAW 25% Duty Cycle 40% Duty Cycle 60% Duty Cycle 100% Duty Cycle SMAW 25% Duty Cycle 40% Duty Cycle 60% Duty Cycle...

  • Page 9: Select Suitable Location

    Square Wave TIG 175 PRO’s cannot be stacked. LIFTING AND MOVING The Square Wave TIG 175 PRO should be lifted by two or more people or with a hoist. (It weighs approximate- ly 200 lbs./90.9 kg.) Its lifting handles are designed to make lifting more convenient.

  • Page 10: Input Connections

    Flexible metallic conduit is generally not suit- able. 8. When the welder is enclosed in a metal building, the metal building should be connected to several good earth driven electrical grounds (as in 5 (b) above) around the periphery of the building.

  • Page 11: Output Connections

    __________________________________________ WORK CABLE CONNECTION A work cable with attached work clamp is factory con- nected to the Square Wave TIG 175 PRO. To minimize high frequency interference, refer to Machine Grounding and High Frequency Interference Protection section of this manual for the proper pro- cedure on grounding the work clamp and work piece.

  • Page 12: Remote Control Connection

    Square Wave TIG 175 PRO. An electrode holder with cable is supplied with the Square Wave TIG 175 PRO. Turn the Power Switch “OFF”. Connect the cable quick connect plug into the Electrode/Gas Output Receptacle and turn it clockwise until it is tight.

  • Page 13: Operation Section

    It is capable of 175 amps, 27 volts at a lower duty cycle. If the duty cycle is exceeded, a thermal pro- tector will shut off the output until the machine cools. SQUARE WAVE TIG 175 PRO remote current control with 15ft...

  • Page 14: Controls And Settings

    CONTROLS AND SETTINGS All operator controls and adjustments are located on the front of the Square Wave TIG 175 PRO. Refer to Figure B.1 and corresponding explanations. 1. POWER SWITCH & LIGHT - Turns power on to the welder. When switched “ON”, the cool- ing fan runs and the light will illuminate indicating that the power is on.

  • Page 15: Operating Steps

    This helps eliminate accidental high cur- rent damage to the work piece and/or tungsten, and gives a fine control of the current. When the welder is in the stick mode a remote control has no effect and is not used.

  • Page 16: Welding In Stick Mode

    Blue Max Stainless Red Baron Stainless Mild steel procedures are based on recommended procedures listed in C2.10 8/94 and the maximum rating of the Square Wave TIG 175 PRO Jet-LH MR procedures are based on Jet-LH 78 MR Blue Max procedures are based on C6.1 6/95...

  • Page 17: Optional Accessories

    K814 Arc Start Switch - The Arc Start Switch may be used instead of the Foot Amptrol included with the Square Wave TIG 175 PRO. It allows on/off TIG weld- ing at the current set by the Current Control on the con- trol panel.

  • Page 18: Routine And Periodic Maintenance

    LEFT SIDE OF MACHINE FAN MOTOR OR FAN BLADE REPLACEMENT When installing a new fan blade or fan motor be sure to maintain proper shaft spacing per Figure C.2 below. SQUARE WAVE TIG 175 PRO .015 Spark Gap Figure C.2...

  • Page 19: Troubleshooting Section

    HOW TO USE TROUBLESHOOTING GUIDE Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 20 2. The Amptrol may be defective. Check for continuity between pins “D” and “E” on cable con- nector when Amptrol is depressed. CAUTION SQUARE WAVE TIG 175 PRO RECOMMENDED COURSE OF ACTION Contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance.
  • Page 21 3. Air intake and exhaust louvers may be blocked due to inadequate clearance around machine. CAUTION SQUARE WAVE TIG 175 PRO RECOMMENDED COURSE OF ACTION Contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance.
  • Page 22 Micro Switch mounted on Polarity Switch is not opening in “AC” mode. CAUTION SQUARE WAVE TIG 175 PRO RECOMMENDED COURSE OF ACTION Contact your Local Lincoln Authorized Field Service Facility for technical...
  • Page 23 4. If a helium blend is used as a shielding gas, then reduce the percentage of helium. CAUTION SQUARE WAVE TIG 175 PRO RECOMMENDED COURSE OF ACTION Contact your Local Lincoln Authorized Field Service Facility for technical...
  • Page 24 1. The welding current is too high for the electrode type and/or size. See the Table B.1 in the Operation Section of this manu- CAUTION SQUARE WAVE TIG 175 PRO RECOMMENDED COURSE OF ACTION Contact your Local Lincoln Authorized Field Service Facility for technical...
  • Page 25 1. The weld current may be set too low. Increase the current control setting or use a smaller diame- ter electrode. CAUTION SQUARE WAVE TIG 175 PRO RECOMMENDED COURSE OF ACTION Contact your Local Lincoln Authorized Field Service Facility for technical...

  • Page 26: Diagram Section

    NOTES SQUARE WAVE TIG 175 PRO...

  • Page 27: Wiring Diagram

    WIRING DIAGRAM SQUARE WAVE TIG 175 PRO...
  • Page 28 NOTES SQUARE WAVE TIG 175 PRO...

  • Page 29: Basic Course

    MasterCard ® ® |_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_| Account No. USE THIS FORM TO ORDER: Order from: BOOK DIVISION, The Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199 BOOKS OR FREE INFORMATIVE CATALOGS Lincoln Welding School (ED-80) Seminar Information (ED-45) Educational Video Information (ED-93) James F.
  • Page 30 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS CONSUMIBLES QUE VA A UTILIZAR, SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR.
  • Page 31 ● ● Keep your head out of fumes. Turn power off before servicing. ● Use ventilation or exhaust to remove fumes from breathing zone. ● Los humos fuera de la zona de res- ● Desconectar el cable de ali- piración. mentación de poder de la máquina ●...
  • Page 32 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...

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