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RETURN TO MAIN INDEX
IM687
February, 2002
Square Wave TIG 175 PRO
For use with machines having Code Numbers: 10732
10733
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 befor
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS For Diesel Engines: Diesel engine exhaust and For Gasoline Engines: The engine exhaust from some of its constituents are known to the State this product contains chemicals known to the of California to cause cancer, birth defects, and State of California to cause cancer, birth defects, other reproductive harm. or other reproductive harm. ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHIL
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ii ii SAFETY ELECTRIC SHOCK can kill. ARC RAYS can burn. 3.a. The electrode and work (or ground) circuits 4.a. Use a shield with the proper filter and cover are electrically “hot” when the welder is on. plates to protect your eyes from sparks and Do not touch these “hot” parts with your bare the rays of the arc when welding or observing skin or wet clothing. Wear dry, hole-free open arc welding. Headshield and filter lens gloves to insulate hands. should conform to ANSI Z87. I standards. 3.b. In
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iii iii SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a.Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire. process used and properly operating Remember that welding sparks and hot regulators designed for the gas and materials from welding can easily go through small cracks pressure used. All hos
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iv iv SAFETY zones où l’on pique le laitier. PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de Pour votre propre protection lire et observer toutes les instructions prévenir tout risque d’incendie dû aux étincelles. et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- 7. Quand on ne soude pas, poser la pince à une endroit isolé de antes: la masse. Un court-circuit accidental peut provo
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v v for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ��� Thank You as much pride as we have in bringing this product to you! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment
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vi vi TABLE OF CONTENTS Page Installation ..........................................................................................................Section A Technical Specifications...............................................................................................A-1 Saftey Precautions.. ............................................................................................................................................... .A-2 Select Suitable Location.......................
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS - SQUARE WAVE TIG 175 PR0 (K1478-3 & -4 INPUT - SINGLE PHASE ONLY Standard Input Current at Code Voltage Rated Output Number 208/230/1/60 59/53 AC/DC Stick & DC TIG - 72/65 AC TIG 10732 460/575/1/60 27/22 AC/DC Stick & DC TIG - 33/27 AC TIG 10733 RATED OUTPUT Duty Cycle Amps Volts at Rated Amperes GTAW 25% Duty Cycle 150 14.8 V AC/DC 40% Duty Cycle 125 14.5 V AC/DC 60% Duty Cycle 110 14.3 V AC/DC 100% Duty Cycle 90 14.1V AC/DC SMAW 25% Duty Cycl
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A-2 A-2 INSTALLATION SAFETY PRECAUTIONS MACHINE GROUNDING AND HIGH FRE- QUENCY INTERFERENCE PROTECTION Read entire installation section before starting installation. The welder must be grounded. See your local and national electrical codes for proper grounding methods. WARNING ELECTRIC SHOCK can kill. The high frequency generator, being similar to a radio � Only qualified personnel should transmitter, can be blamed for radio, TV and electronic perform this installation. � Turn the input powe
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A-3 A-3 INSTALLATION INPUT RECONNECT PROCEDURE a) A metal underground water pipe in direct contact with the earth for ten feet or more. On multiple input voltage welders, be sure the machine is connected per the following instructions for the volt- b) A 3/4” (19mm) galvanized pipe or a 5/8” (16mm) age being supplied to the welder. solid galvanized iron, steel or copper rod driven at least eight feet into the ground. CAUTION The ground should be securely made and the ground- Failure to follow
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A-4 A-4 INSTALLATION 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 the FOR LOWEST RATED VOLTAGE Electrode/Gas Output Receptacle on the front of the : H2 CONNECTED FOR HIGHEST RATED VOLTAGE welder and turn it clockwise until it is tight. This is a : H3 CONNECTED quick connect terminal and also provides the gas con- LEAD H1 nection for the shielding gas to the torch. (DO NOT REMOVE) WARN
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A-5 A-5 INSTALLATION these steps in reverse. REMOTE CONTROL CONNECTION A remote control receptacle is provided on the case front of the welder for connecting a remote control to tm to the machine. A Foot Amptrol , foot activated remote control, is included with the SQUARE WAVE TIG 175 PRO. Refer to the Optional Accessories section of this manual for other available remote controls. CONNECTIONS FOR STICK (SMAW) WELDING STICK ELECTRODE CABLE AND WORK CABLE CONNECTION Refer to Included Equipment
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B-1 B-1 OPERATION SAFETY PRECAUTIONS PRODUCT DESCRIPTION Read and understand this entire section before operat- The SQUARE WAVE TIG 175 PRO is a constant cur- ing the machine. rent, single range AC/DC TIG (GTAW) arc welding power source with built-in arc starter / stabilizer. It also has stick welding (SMAW) capability. WARNING ELECTRIC SHOCK The SQUARE WAVE TIG 175 PRO is recommended can kill. for the TIG (GTAW) and stick (SMAW) welding � Do not touch electrically live parts processes within i
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B-2 B-2 OPERATION 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. FIGURE B.1 - CONTROL PANEL 1. POWER SWITCH & LIGHT 1 2. TIG/STICK SWITCH 3. POLARITY SWITCH 4 4. CURRENT CONTROL 5. OVER TEMPERATURE LIGHT 6. REMOTE CONTROL CONNECTOR 7. ELECTRODE/ GAS OUTPUT RECEPTACLE 8. WORK CABLE & CLAMP 2 3 5 7 6 8 1. POWER SWITCH & LIGHT - Turns power on or CAUTION off to th
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B-3 B-3 OPERATION 6. REMOTE CONTROL CONNECTOR - This connector REMOTE CONTROL OPERATION provides connection for a remote control. See Remote Control Operation in this section of the manual. A Foot Amptrol™ is included with the SQUARE WAVE TIG 175 PRO for remote current control while TIG 7. ELECTRODE/GAS OUTPUT RECEPTACLE - This welding. An optional Hand Amptrol may also be used. quick connect receptacle provides electrical connec- An optional Arc Start Switch may be used to start and tion to th
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B-4 B-4 OPERATION work. WARNING The AC waveform of the SQUARE WAVE TIG 175 PRO optimizes cleaning and heating of the work. The In Stick Mode the output terminal and result is the capability to weld through the complete electrode will be electrically hot range of 10 to 175 amperes in AC TIG or DC- TIG whenever the power switch is turned requiring only one electrode, a 3/32” 2% thoriated on. tungsten . WELDING IN STICK MODE 1. Put the electrode holder and cable quick connect plug into the electr
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C-1 C-1 ACCESSORIES OPTIONAL EQUIPMENT K964-1 Undercarriage with Pivoting Single Gas TIG Torch Parts Kits - Parts kits are available for the Cylinder Platform - This undercarriage features a piv- LA-9 and LA-17 TIG torches. These kits include back oting platform to easily load and unload the gas cylin- cap, collets, collet bodies, nozzles and tungstens. der without lifting. It was designed specifically for the Order KP507 for LA-9 torches SQUARE WAVE TIG 175 PRO power source, and Order KP508 for
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D-1 D-1 MAINTENANCE SAFETY PRECAUTIONS WARNING Use extreme caution when working with circuit of WARNING the high frequency. The high voltages developed can be lethal. Turn the input power off using the ELECTRIC SHOCK can kill. disconnect switch or fuse box before working inside machine. This is particularly important when � Only qualified personnel should working on the secondary circuit of the high volt- perform this maintenance. age transformer (T3) because the output voltage is dangerously hi
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E-1 E-1 TROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDE WARNING 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. _______________________________________________________________
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E-2 E-2 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS COURSE OF ACTION OUTPUT PROBLEMS Machine is Dead - 1. Make certain that the input No Output - No Fan power switch is in the “ON” position and machine is plugged in. 2. Check the input voltage at the machine. Input voltage must match the rating plate and voltage connection. Refer to Reconnect Procedure in the Installation sec- tion of this manua
