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IM607
May, 2000
Square Wave TIG 175
For use with machines having Code Numbers: 10457
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 Pu
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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 (K1583-1 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 10457 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 16.0 V AC/DC 40% Duty Cycle 125 15.0 V AC/DC 60% Duty Cycle 110 14.4 V AC/DC 100% Duty Cycle
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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
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3 3 INSTALLATION 1 super lag fuses or delay type circuit breakers. Using fuses b) A 3/4” (19mm) galvanized pipe or a 5/8” (16mm) or circuit breakers smaller than recommended may result in solid galvanized iron, steel or copper rod driven “nuisance” shut-offs from welder inrush currents even if not welding at high currents. at least eight feet into the ground. The ground should be securely made and the ground- 1 Also called “inverse time” or “thermal/magnetic” circuit breakers; circuit breaker
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4 4 INSTALLATION INPUT LEADS L1 & L2 strain relief boot onto the torch and connect the fitting to the adapter. The rubber strain relief boot slips over the connection and adapter block to provide shock pro- tection. INPUT SUPPLY CONNECTION WARNING To avoid receiving a high frequency shock, keep the TIG torch and cables in good condition. __________________________________________ WORK CABLE CONNECTION A work cable with attached work clamp is factory con- nected to the Square Wave TIG 175. To
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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 the machine. 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 this manual for STICK welding equipment which is included with the Square Wave TIG 175. An elec
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6 6 OPERATION SAFETY PRECAUTIONS GENERAL DESCRIPTION Read and understand this entire section before operat- The Square Wave TIG 175 is a constant current, single ing the machine. range AC/DC TIG (GTAW) arc welding power source with built-in arc starter / stabilizer. It also has stick weld- ing (SMAW) capability. The Square Wave TIG 175 is recommended for the TIG WARNING (GTAW) and stick (SMAW) welding processes within its output capacity of 10 to 175 amps, on both AC and DC ELECTRIC SHOCK polari
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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. Refer to Figure B.1 and corresponding explanations. FIGURE B.1 - CONTROL PANEL 9 1. POWER SWITCH & LIGHT 10 2. ELECTRODE/ GAS OUTPUT RECEPTACLE 8 3. WORK CABLE & CLAMP 1 4. REMOTE CONTROL CONNECTOR 5. OVER TEMPERATURE LIGHT 6. POLARITY SWITCH 7. MODE SWITCH 7 8. CURRENT CONTROL 9. DOWNSLOPE TIME 10. START/CRATER CURRENT 6 5 2 4 3 1. POWER SWITCH & LIGHT - Turns power on
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8 8 OPERATION 7.MODE SWITCH - A three position toggle switch used to select the welding mode. Refer to WELD- 3. Set the Polarity Switch to DC- for weld- ING IN THE STICK MODE, and WELDING IN THE ing steel or stainless steel; or to AC for welding alu- TIG MODE(2-STEP AND 4-STEP) later in this sec- minum. tion for information on how the machine functions in each of these modes. 4.Connect an Arc Start Switch or Amptrol to the Remote Control Connector. STICK: This mode is used for the stick electrod
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9 9 OPERATION (STEP 3) Second Press: The output ramps down to on with the output and remain on continuously until the the level set with the Start/Crater Current control. remote control is released. The time it takes to ramp down is set with the Down slope Time control. (Approx. 0.5 to 10 seconds) REMOTE CONTROL OPERATION (STEP 4) Second Release: Output is turned off stop- A Foot Amptrol™ is included with the Square Wave TIG ping the weld and a 15 second Postflow of shielding 175 for remote curr
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10 10 OPERATION the positive portion may also cause the electrode to WARNING overheat at high currents causing “tungsten spitting”. The negative portion of the AC wave offers no cleaning In Stick Mode the output terminal and action but concentrates more heat on the work. The AC electrode will be electrically hot waveform of the Square Wave TIG 175 optimizes whenever the power switch is turned cleaning and heating of the work. The result is the on. capability to weld through the complete range of
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11 11 ACCESSORIES OPTIONAL ACCESSORIES TIG Torch Parts Kits - Parts kits are available for the LA-9 and LA-17 TIG torches. These kits include back K964-1 Undercarriage with Pivoting Single Gas cap, collets, collet bodies, nozzles and tungstens. Cylinder Platform - This undercarriage features a piv- Order KP507 for LA-9 torches oting platform to easily load and unload the gas cylin- Order KP508 for LA-17 torches der without lifting. It was designed specifically for the See publication E12.150 for
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12 12 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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13 13 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. _________________________________________________________________
