Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS
FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumesoutdoors. ...
Page 3 - ii; ELECTRIC SHOCK can kill.
ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...
Page 4 - iii; Refer to
iii SAFETY iii FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’srecommendations. 8.c. Ground the ...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ
iv SAFETY iv 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 seco...
Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately
v v Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product •••as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manual...
Page 7 - TABLE OF CONTENTS
TABLE OF CONTENTS Page _______________________________________________________________________________________ Installation ......................................................................................................Section ATechnical Specifications ...........................................
Page 8 - INSTALLATION; INPUT - SINGLE PHASE ONLY; PHYSICAL DIMENSIONS
A-1 INSTALLATION SQUARE WAVE™ TIG 175 A-1 TECHNICAL SPECIFICATIONS - SQUARE WAVE™ TIG 175 (K1478-5) Wiring and Protection based on the 2008 National Electric Code. Use a Super Lag type Fuse or Circuit Breaker with a delay in tripping action. Models with NEMA 6-50P plugmay be used with a 50 amp prote...
Page 9 - SELECT SUITABLE LOCATION
A-2 INSTALLATION SQUARE WAVE™ TIG 175 A-2 ELECTRIC SHOCK can kill.• Only qualified personnel should perform this installation. • Turn the input power OFF at the disconnect switch or fuse boxbefore working on thisequipment. • Do not touch electrically hot parts. • Always connect the SQUARE WAVE™ TIG ...
Page 10 - INPUT RECONNECT PROCEDURE; INPUT CONNECTIONS; CAUTION
INPUT RECONNECT PROCEDURE On multiple input voltage welders, be sure the machineis connected per the following instructions for the volt-age being supplied to the welder. Failure to follow these instructions can cause immedi-ate failure of components within the welder. ______________________________...
Page 11 - WORK CABLE CONNECTION; chained to a support.; TIG TORCH CONNECTION; FIGURE A.2 Location of Output Connections
A-4 INSTALLATION SQUARE WAVE™ TIG 175 A-4 A TIG welding torch with cable and connector is sup-plied with the welder. Turn the Power Switch “OFF”.Connect the torch cable quick connect plug into theElectrode/Gas Output Receptacle on the front of thewelder and turn it clockwise until it is tight. This ...
Page 12 - REMOTE CONTROL CONNECTION
A-5 INSTALLATION SQUARE WAVE™ TIG 175 A-5 REMOTE CONTROL CONNECTION A remote control receptacle is provided on the casefront of the welder for connecting a remote control toto the machine. A Foot Amptrol tm , foot activated remote control, is included with the SQUARE WAVE™ TIG175. Refer to the Optio...
Page 13 - OPERATION; PRODUCT DESCRIPTION; INCLUDED EQUIPMENT; WELDING CAPABILITY; SAFETY PRECAUTIONS
B-1 OPERATION B-1 PRODUCT DESCRIPTION The SQUARE WAVE™ TIG 175 is a constant current,single range AC/DC TIG (GTAW) arc welding powersource with built-in arc starter / stabilizer. It also hasstick welding (SMAW) capability. The SQUARE WAVE™ TIG 175 is recommended forthe TIG (GTAW) and stick (SMAW) we...
Page 14 - POLARITY SWITCH - Allows you to select between; CURRENT CONTROL - This control is active in; CONTROLS AND SETTINGS
B-2 OPERATION B-2 1. POWER SWITCH - Turns power on or off to the welder. When switched “ON”, the cooling fanruns. 2. TIG/STICK SWITCH - Selects the mode of output, either TIG (GTAW) or Stick (SMAW). Refer to Welding in TIG Mode and Welding in Stick Modelater in this chapter for information on how th...
Page 15 - OPERATING STEPS; WELDING IN TIG MODE
B-3 OPERATION B-3 6. REMOTE CONTROL CONNECTOR - This connector provides connection for a remote control. See RemoteControl Operation in this section of the manual. 7. ELECTRODE/GAS OUTPUT RECEPTACLE - This quick connect receptacle provides electrical connec-tion to the electrode holder and cable for...
Page 16 - WELDING IN STICK MODE; RECOMMENDED ELECTRODE AMPERAGE RANGES - SQUARE WAVETM TIG 175; SMAW Process
B-4 OPERATION B-4 The AC waveform of the SQUARE WAVE™ TIG 175optimizes cleaning and heating of the work. The resultis the capability to weld through the complete range of10 to 175 amperes in AC TIG or DC- TIG requiring onlyone electrode, a 3/32” 2% ceriated tungsten. WELDING IN STICK MODE 1. Put the...
Page 17 - ACCESSORIES; OPTIONAL EQUIPMENT; Magnum
C-1 ACCESSORIES C-1 OPTIONAL EQUIPMENT K964-1 Undercarriage with Pivoting Single GasCylinder Platform - This undercarriage features a piv-oting platform to easily load and unload the gas cylin-der without lifting. It was designed specifically for theSQUARE WAVE™ TIG 175 power source, and accom-modat...
Page 18 - MAINTENANCE; FAN MOTOR OR FAN BLADE REPLACEMENT
D-1 MAINTENANCE D-1 SQUARE WAVE™ TIG 175 ELECTRIC SHOCK can kill. • Only qualified personnel should perform this maintenance. • Turn the input power OFF at the disconnect switch or fuse boxbefore working on thisequipment. • Do not touch electrically hot parts. To avoid receiving a high frequency sho...
Page 19 - TROUBLESHOOTING; HOW TO USE TROUBLESHOOTING GUIDE
DO NOT use a volt-ohm meter to measure output voltages in TIG mode. TheHigh Frequency Arc Starter voltage can damage the meter. CAUTION E-1 TROUBLESHOOTING E-1 If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Aut...
Page 20 - OUTPUT PROBLEMS
E-2 TROUBLESHOOTING E-2 SQUARE WAVE™ TIG 175 Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Field Service Facility for technical troubles...
Page 22 - TIG MODE PROBLEMS
E-4 TROUBLESHOOTING E-4 SQUARE WAVE™ TIG 175 Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Field Service Facility for technical troubles...
Page 23 - TIG WELDING PROBLEMS
E-5 TROUBLESHOOTING E-5 SQUARE WAVE™ TIG 175 Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Field Service Facility for technical troubles...
Page 25 - STICK WELDING PROBLEMS
E-7 TROUBLESHOOTING E-7 SQUARE WAVE™ TIG 175 Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Field Service Facility for technical troubles...
Page 26 - WIRING DIAGRAM
F-1 WIRING DIAGRAM F-1 SQUARE WAVE™ TIG 175 NOTE: This diagram is for refer ence only . It may not be accurate for all machines cover ed by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosur e panels. If the diagram is illegible, write to the ...
Page 27 - NOTES