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Lincoln Electric TIG 185 - page 1
• 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 • World's Leader in Welding and Cutting Products • OPERATOR?S MANUAL IM832-A December, 2006 Safety Depends on You Lincoln arc welding and cutting equipment is desi ...
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Lincoln Electric TIG 185 - page 2
FOR ENGINE powered 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 fumes outdoors. ________________________________________________ ...
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Lincoln Electric TIG 185 - page 3
ii SAFETY ii ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. 4. b. Use suitable clothing made from durable flame-resistant material to protect your ski ...
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Lincoln Electric TIG 185 - page 4
FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8 . b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturerʼs recommendations. 8.c. Ground the equipment in accordance with the U.S. National Electrical ...
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Lincoln Electric TIG 185 - page 5
iv SAFETY iv Mar. ʻ93 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 LʼArc 1. Protegez-vous contre la secousse électrique: a. Les c ...
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v SAFETY v ...
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vi SAFETY vi ...
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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 and keep it handy for quick reference. Pay par ...
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Lincoln Electric TIG 185 - page 9
viii viii T ABLE OF CONTENTS Page Installation ................................................................................................................... .... Section A Technical Specifications ................................................................................................A-1,A-2 Safety Precautions ........................ ...
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Lincoln Electric TIG 185 - page 10
A-1 INST ALLA TION PRECISION TIG 185 A-1 TECHNICAL SPECIFICA TIONS - PRECISION TIG 185 (K2345-1AND K2347-1,-2) Volts at Rated Amperes 15.2 V AC/DC 14.1 V AC/DC 13.8 V AC/DC 27.4 V AC/DC 23.6 V AC/DC Type of Output CC (Constant Current) AC/DC Amps 185A AC/DC 90A AC/DC (BAL) 70A AC (AUTO-BAL) 185A AC/DC125 90A AC/DC Maximum Open Circuit Voltage (STIC ...
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A-2 INST ALLA TION PRECISION TIG 185 A-2 TECHNICAL SPECIFICA TIONS - CANADIAN (K2345-2), INTERNA TIONAL K2346-1) MODEL HEIGHT WIDTH DEPTH WEIGHT PHYSICAL DIMENSIONS (2) Weld Voltage (NEMA) 27.4 V 23.6 V 15.2 V 14.1 V Output Type CC (Constant Current) AC or DC Weld Current 185 A AC/DC 90 A AC/DC 185 A AC/DC 90 A AC/DC (Auto-Bal.) Weld Current 7-185 ...
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A-3 INST ALLA TION PRECISION TIG 185 A-3 SAFETY PRECAUTIONS SELECT SUIT ABLE LOCA TION Place the welder where clean cooling air can freely circulate in and out through the rear louvers. Dirt, dust or any foreign material that can be drawn into the welder should be kept at a minimum. Failure to observe these precautions can result in excessive opera ...
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Lincoln Electric TIG 185 - page 13
A-4 INST ALLA TION PRECISION TIG 185 A-4 The high frequency generator, being similar to a radio transmitter, may cause radio, TV and electronic equip- ment interference problems. These problems may be the result of radiated interference. Proper grounding methods can reduce or eliminate radiated interfer- ence. Radiated interference can develop in t ...
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Lincoln Electric TIG 185 - page 14
A-5 INST ALLA TION PRECISION TIG 185 A-5 INPUT RECONNECT PROCEDURE On multiple input voltage welders, be sure the machine is connected per the following instructions for the voltage being supplied to the welder. Failure to follow these instructions can cause immedi- ate failure of components within the welder and void machineʼs warranty. --------- ...
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Lincoln Electric TIG 185 - page 15
A-6 INST ALLA TION PRECISION TIG 185 A-6 A PTA-17 Twist-Mate TIG welding torch with cable and connector is supplied with the Ready-Pak Models and available for other models (See Accessories Section). Turn the Power Switch “OFF”. Connect the torch cable Twist-Mate quick connect plug into the Electrode/Gas Output Receptacle on the front of the we ...
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Lincoln Electric TIG 185 - page 16
B-1 OPERA TION PRECISION TIG 185 B-1 ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet cloth- ing. • Insulate yourself from work and ground. • Always wear dry insulating gloves. • Read and follow “Electric Shock Warnings” in the Safety section if welding must be performed under electrically ha ...
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Lincoln Electric TIG 185 - page 17
B-2 OPERA TION B-2 PRODUCT DESCRIPTION The PRECISION TIG 185 is a member of our field acclaimed Precision TIG family of industrial arc weld - ing power sources. Premium features include: 1. Precise constant current output. 2. Full range square wave AC/DC TIG (GTAW) weld-- ing. 3 . Enhanced version of the patented Micro- Start™Technology for its l ...
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Lincoln Electric TIG 185 - page 18
B-3 OPERA TION B-3 CONTROL FUNCTIONALITY 1. POWER SWITCH – Input line switch turns input power ON or OFF, as indicated by the on or off sta- tus of the front panel digital display (See Item 6). 2. POLARITY SWITCH – The rotary power switch has 3-positions for DC+, AC and DC- selections for the electrode output stud welding polarity. • Do not s ...
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Lincoln Electric TIG 185 - page 19
B-4 OPERA TION B-4 8. PULSE TIG CONTROL – The Pulse TIG feature built into the Precision TIG 185 is simplified to be a single knob control which sets the Pulse Frequency over the peak pulses/sec. range of about 0.1 to 20 pulses per second: • Full CCW (min.) setting of the control knob shuts off Pulse TIG (0.0 pps). • Peak Pulse level is set b ...
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Lincoln Electric TIG 185 - page 20
B-5 OPERA TION B-5 REMOTE CONTROL OPERATION A Foot Amptrol ™is included with the PRECISION TIG 185 Ready-Pak models and availiable for other models (See Accessories Section) for remote current control while TIG welding. An optional Hand Amptrol may also be used. An optional Arc Start Switch may be used to start and stop the welding if no remote c ...
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Lincoln Electric TIG 185 - page 21
B-6 OPERA TION B-6 WELDING IN STICK MODE 1. Put the electrode holder and cable quick connect plug into the electrode output receptacle. Turn clockwise until tight. Connect the work clamp to the work piece. 2. Set the TIG/STICK switch to “STICK”. 3. Set the Polarity Switch to the weld mode desired for the type of electrode being used (most commo ...
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Lincoln Electric TIG 185 - page 22
C-1 ACCESSORIES C-1 FACTORY INSTALLED OPTIONS The PRECISION TIG 185 will be available in two Factory-Configured Welding Packages: 1. Precision TIG 185 Ready-Pak (K2347-1) • 208/230/1/60 Machine (K2345-1) • 9 ft. (2.7m) Input Cable with NEMA 6-50P Plug* • NEMA 6-50R Receptacle • Integrated 10 ft.(3.1m)Work Lead w/Clamp* • Gas Regulator wit ...
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Lincoln Electric TIG 185 - page 23
C-2 ACCESSORIES C-2 FIELD INSTALLED OPTIONS The following Options/Accessories are available for the PRECISION TIG 185: • K2348-1 Under-Storage Car t Includes a front magnetic latch storage drawer and rear storage bin on a single bottle undercarriage. (L12225 Installation Instructions included) • K870 Foot Amptrol Single pedal foot activation of ...
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Lincoln Electric TIG 185 - page 24
D-1 MAINTENANCE D-1 SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Only qualified personnel should per- form this maintenance. • Turn the input power OFF at the dis- connect switch or fuse box before working on this equipment. • Do not touch electrically hot parts. ------------------------------------------------------------------------ To avo ...
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Lincoln Electric TIG 185 - page 25
E-1 TROUBLESHOOTING E-1 PRECISION TIG 185 If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your CAUTION This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below. Step 1. LOCATE PROBLEM ...
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Lincoln Electric TIG 185 - page 26
E-2 TROUBLESHOOTING E-2 PRECISION TIG 185 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 CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Machine is Dead -No Output - No Fan Fan runs norma ...
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Lincoln Electric TIG 185 - page 27
E-3 TROUBLESHOOTING E-3 PRECISION TIG 185 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 CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Machine regularly over heats - the- mostat opens, ...
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Lincoln Electric TIG 185 - page 28
E-4 TROUBLESHOOTING E-4 PRECISION TIG 185 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 CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Machine output is intermittently lost. Gas flow an ...
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Lincoln Electric TIG 185 - page 29
E-5 TROUBLESHOOTING E-5 PRECISION TIG 185 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 CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Black areas along weld bead. Weak high frequency - ...
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Lincoln Electric TIG 185 - page 30
E-6 TROUBLESHOOTING E-6 PRECISION TIG 185 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 CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION No high frequency. Machine is in the TIG Mode and ...
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Lincoln Electric TIG 185 - page 31
E-7 TROUBLESHOOTING E-7 PRECISION TIG 185 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 CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Stick electrode “Blasts Off” when arc is struc ...
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Lincoln Electric TIG 185 - page 32
F-1 DIAGRAMS F-1 PRECISION TIG 185 WIRING DIAGRAM - PRECISION TIG 185 G4549 B SCR4 SCR2 SCR1 D C B A REAR GANG L1 ELECTRODE T3 NC NO MICRO-SWITCH T2 L2 L3 C3 SCR3 H1 H G 311A 312A OPEN CLOSED CLOSED G4 216 G3 2 1 8 G2 G1 217 220 AC E F PC BOARD CONTROL PC BOARD D1 S2 SV1 GAS VALVE S2A BYPASS/ STABILIZER H1 X1 X2 R 222 W 221 WORK R2 ARC STARTER AS&a ...
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Lincoln Electric TIG 185 - page 33
F-2 DIMENSION PRINT F-2 PRECISION TIG 185 1 L12201 MACHINE ONLY AND READY-PAK FOR CODES 11105, 11108 A 14.00 20.25 .24 .46 .46 DOOR CL CL OS ED 2.44 2.44 4.83 TO OL T RAY DOOR 22.00 * * .24 12.38 * * .81 * * 7.00 1.66 TO RC H H OL S T E R * * L OCATI ON OF (4) O .284 B ASE M OUNTI NG HO L ES. 12.99 24.00 1.00 * * 1.62 ...
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Lincoln Electric TIG 185 - page 34
F-3 DIMENSION PRINT F-3 PRECISION TIG 185 L12202 READY-PAK WITH CART FOR CODE 11109 A 19.81 14.00 24.00 1.66 TORCH H OL S T E R 6.00 6.00 2.44 2.44 7.00 30.78 .75 4.83 TO OL T RA Y D OOR 20.25 10.53 .46 .46 DOOR CL CL O S E D 12.99 37.24 13.27 ...
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Lincoln Electric TIG 185 - page 35
NOTES PRECISION TIG 185 ...
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Lincoln Electric TIG 185 - page 36
W ARNING AV I S O D E PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’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 F ABRICANTE P ARA ...
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Lincoln Electric TIG 185 - page 37
W ARNING AV I S O D E PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIPAMENTO E AS P ARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR. ● Keep your head out of fumes. ● Use ventilation or exhaust to remove fumes ...
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Lincoln Electric TIG 185 - page 38
• 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 • World's Leader in Welding and Cutting Products • ...
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