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IM688
January, 2000
Square Wave TIG 175 PRO
For use with machines having Code Numbers: 10734
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.
Da
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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 PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque d’incendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7. Quand on ne soude pas, poser la pince à une endroit isolé de manuel aussi bien que les précautions de sûreté générales suiv- la masse. Un court-circuit accidental peut provoquer un antes: échauffement et un risqu
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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 SAFETY .........................................................................................................................i-iv INSTALLATION SECTION .................................................................................................1 TECHNICAL SPECIFICATIONS......................................................................................1 SELECT SUITABLE LOCATION..................................................................................
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1 1 INSTALLATION TECHNICAL SPECIFICATIONS - Square Wave TIG 175 PRO (K1582-2 only) INPUT - SINGLE PHASE ONLY Standard Input Current at Code Voltage Rated Output Number 240/380/415/1/50/60 54/33/30 AC/DC Stick & DC TIG, 71/41/37 AC TIG 10734 Additional Lincoln Rating 220-240/400-415/1/50/60 54/30 AC/DC Stick & DC TIG, 71/37 AC TIG 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 Cycl
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2 2 INSTALLATION Read entire installation section before starting MACHINE GROUNDING AND HIGH FRE- installation. QUENCY INTERFERENCE PROTECTION Safety Precautions The welder must be grounded. See your local and national electrical codes for proper grounding methods. WARNING The high frequency generator, being similar to a radio ELECTRIC SHOCK can kill. transmitter, can be blamed for radio, TV and electronic � Only qualified personnel should equipment interference problems. These problems may per
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3 3 INSTALLATION Refer to the Technical Specifications page at the beginning of this section. Fuse the input circuit with the recommended b) A 3/4” (19mm) galvanized pipe or a 5/8” (16mm) 1 solid galvanized iron, steel or copper rod driven super lag fuses or delay type circuit breakers. Using fuses or circuit breakers smaller than recommended may result in at least eight feet into the ground. “nuisance” shut-offs from welder inrush currents even if not welding at high currents. The ground should
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4 4 INSTALLATION INPUT LEADS L1 & L2 USE Electrode/Gas Output Receptacle on the front of the INSULATED BARREL RING TERMINALS TO FIT #10-32 welder and turn it clockwise until it is tight. This is a STUDS PROVIDED. quick connect terminal and also provides the gas con- nection for the shielding gas to the torch. INPUT SUPPLY CONNECTION WARNING (DO NOT To avoid receiving a high frequency shock, keep the REMOVE) TIG torch and cables in good condition. __________________________________________ WORK
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5 5 INSTALLATION REMOTE CONTROL CONNECTION A remote control receptacle is provided on the case front of the welder for connecting a remote control to to tm 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 in the Operation Section of t
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6 6 OPERATION SAFETY PRECAUTIONS GENERAL DESCRIPTION Read and understand this entire section before operat- The SQUARE WAVE TIG 175 PROPROis a constant ing the machine. current, single range AC/DC TIG (GTAW) arc welding power source with built-in arc starter / stabilizer. It also has stick welding (SMAW) capability. The SQUARE WAVE TIG 175 PROPROis recommend- WARNING ed for the TIG (GTAW) and stick (SMAW) welding processes within its output capacity of 10 to 175 amps, ELECTRIC SHOCK on both AC a
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7 7 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 the we
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8 8 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 PROPROfor 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 the e
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9 9 OPERATION PROPROoptimizes cleaning and heating of the work. The WARNING result is the capability to weld through the complete range of 12 to 175 amperes in AC TIG or DC- TIG requiring only one In Stick Mode the output terminal and electrode, a 3/32” 2% thoriated tungsten. electrode will be electrically hot WELDING IN STICK MODE whenever the power switch is turned on. 1. Put the electrode holder and cable quick connect plug into the electrode output receptacle. Turn clock- wise until tight.
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10 10 ACCESSORIES OPTIONAL ACCESSORIES 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 PROPROpower source, and Order KP508 f
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11 11 MAINTENANCE ommended. If the contacts are replaced reset the SAFETY PRECAUTIONS gap spacing to 0.015. Refer to figure C.1. Note in highly dirty environments where there is an abun- dance of conductive contaminants, use a low pres- sure air stream to clean the spark gap. Do not dis- WARNING turb the factory setting. ELECTRIC SHOCK can kill. 8. Inspect gas hose and inlet fitting for cracks or leaks. � Only qualified personnel should perform this maintenance. 9. Replace any unreadable labels
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12 12 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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13 13 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS(S) 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
