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PRECISION TIG 185
For use with machines having Code Numbers:
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 thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
And, most
THROUGHOUT.
importantly, think before you act
and be careful.
• 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
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11105, 11106, 11107
11108, 11109
IP 21S
OPERATOR?S MANUAL
• World's Leader in Welding and Cutting Products •
Copyright © 2006 Lincoln Global Inc.
IM832-A
December, 2006
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Troubleshooting
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Summary of Contents for Lincoln Electric PRECISION TIG 185
- Page 1 PRECISION TIG 185 For use with machines having Code Numbers: 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 thought- ful operation on your part.
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Page 2: California Proposition 65 Warnings
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. - Page 3 ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 3.b.
- Page 4 WELDING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas.
- Page 5 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.
- Page 6 SAFETY...
- Page 7 SAFETY...
- Page 8 The code number is especially important when identifying the correct replacement parts. - Register your machine with Lincoln Electric either via fax or over the Internet. • For faxing: Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it.
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Page 9: Table Of Contents
Controls and Settings ...B-3, B-4 Operating Steps ...B-4 Welding in TIG Mode ...B-4 Pulse TIG Mode ...B-4 Remote Control Operation ...B-5 Benefits of the Precision TIG 185 ...B-5 Welding in Stick Mode ...B-6 ________________________________________________________________________________ Accessories ...Section C Factory Installed Options...C-1 Field Installed Options ...C-1... -
Page 10: Installation
TECHNICAL SPECIFICATIONS - PRECISION TIG 185 (K2345-1AND K2347-1,-2) Standard Voltage 208/230/1/60 Output Current Range 7-185 Amps (AC) 5-185 Amps (DC) Duty Cycle GTAW 15% Duty Cycle 100% Duty Cycle SMAW 15% Duty Cycle 100% Duty Cycle Chart gives max. rated Output Amps @% Duty Cycle (Based on a 10 minute cycle) (Example;... - Page 11 90 A AC/DC (Auto-Bal.) PHYSICAL DIMENSIONS WIDTH 14.48 in. 368 mm 14.48 in. 368 mm 19.81 in. 503 mm PRECISION TIG 185 Idle Current 1.3 A/1.0 A Max. 0.62 Min. Idle Current 0.62 Min. 1.3 A/1.0 A Max. Output Type CC (Constant Current)
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Page 12: Safety Precautions
• Do not touch electrically hot parts. • Always connect the PRECISION TIG 185 to a power supply grounded per the National Electrical Code and any local codes. --------------------------------------------------------------------------- SELECT SUITABLE LOCATION Place the welder where clean cooling air can freely circulate in and out through the rear louvers. -
Page 13: Input Connections
1 Also called “inverse time” or “thermal/magnetic” circuit breakers; circuit breakers which have a delay in tripping action that decreases as the magnitude of the current increases. PRECISION TIG 185 Refer Technical circuit breakers. Using fuses or... -
Page 14: Input Reconnect Procedure
FIGURE A.2 Location of Output Connections CONNECTIONS FOR TIG (GTAW) WELDING TIG TORCH CONNECTION Refer to Included Equipment in the Operation Section of this manual for TIG welding equipment which is included with the PRECISION TIG 185. PRECISION TIG 185 ELECTRODE/GAS OUTLET RECEPTACLE (TWIST-MATE) WORK CABLE &... -
Page 15: Work Cable Connections
------------------------------------------------------------------------ WORK CABLE CONNECTION A work cable with attached work clamp is factory con- nected to the PRECISION TIG 185. To minimize high frequency interference, refer to Machine Grounding and High Frequency Interference Protection sec- tion of this manual for the proper procedure on grounding the work clamp and work piece. -
Page 16: Operation
Observe additional Safety Guidelines detailed in the beginning of this manual. ------------------------------------------------------------------------ OPERATION GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL INPUT POWER POSITIVE OUTPUT NEGATIVE OUTPUT DIRECT CURRENT PROTECTIVE GROUND WARNING OR CAUTION DO NOT SWITCH WHILE WELDING PRECISION TIG 185... -
Page 17: Product Description
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. -
Page 18: Controls And Settings
CONTROLS AND SETTINGS All operator controls and adjustments are located on the front of the PRECISION TIG 185. Refer to Figure B.1 and corresponding explanations. 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). -
Page 19: Operating Steps
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: •... -
Page 20: Remote Control Operation
AC wave offers no cleaning action but con- centrates more heat on the work. The AC waveform of the PRECISION TIG 185 opti- mizes cleaning and heating of the work. The result is the capability to weld through the complete range in AC TIG or DC- TIG requiring only one electrode, a 3/32”... -
Page 21: Welding In Stick Mode
Blue Max Stainless Red Baron Stainless Mild steel procedures are based on recommended procedures listed in C2.10 8/94 and the maximum rating of the PRECISION TIG 185 Blue Max procedures are based on C6.1 6/95 Red Baron Procedure are based on ES-503 10/93... -
Page 22: Accessories
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* •... -
Page 23: Field Installed Options
• KP510 Parts Kit • Regulator & Hose • K1622-4 Twist Mate Torch Adapter • Water Hose & Hose Coupler • Work Cable & Clamp (Not required for PRECISION TIG 185) ACCESSORIES • Magnum “Pro-Torch™ TIG Torch” assemblies and Accessories. Requires Twist-Mate Adapter:... -
Page 24: Maintenance
FIGURE D.1 SPARK GAP FAN MOTOR OR FAN BLADE REPLACEMENT When installing a new fan blade or fan motor be sure to maintain proper shaft spacing per Figure D.2 below. PRECISION TIG 185 WARNING .020 Spark Gap .020 Spark Gap... -
Page 25: Troubleshooting
HOW TO USE TROUBLESHOOTING GUIDE 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. -
Page 26: Troubleshooting
2. The Amptrol may be defective. Check for continuity between pins “D” and “E” on cable connector when Amptrol is depressed. CAUTION PRECISION TIG 185 RECOMMENDED COURSE OF ACTION If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility. - Page 27 3. Set AC Balance control at Auto Balance position. CAUTION PRECISION TIG 185 RECOMMENDED COURSE OF ACTION If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
- Page 28 1. Micro Switch mounted on Polarity Switch is not opening in “AC” mode. CAUTION PRECISION TIG 185 RECOMMENDED COURSE OF ACTION If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
- Page 29 4. If a helium blend is used as a shielding gas, then reduce the percentage of helium. CAUTION PRECISION TIG 185 RECOMMENDED COURSE OF ACTION If all recommended possible areas of misadjustment have been checked...
- Page 30 See Electrode Amperage Ranges in the Operation Section of this manual. CAUTION PRECISION TIG 185 RECOMMENDED COURSE OF ACTION If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
- Page 31 1. The weld current may be set too low. Increase the current control setting or use a smaller diameter electrode. CAUTION PRECISION TIG 185 RECOMMENDED COURSE OF ACTION If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
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Page 32: Diagrams
DIAGRAMS PRECISION TIG 185 ENHANCED WIRING DIAGRAM... -
Page 33: Dimension Print
DIMENSION PRINT PRECISION TIG 185... - Page 34 DIMENSION PRINT PRECISION TIG 185...
- Page 35 NOTES PRECISION TIG 185...
- Page 36 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
- Page 37 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ATTENTION ● German WARNUNG Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATENÇÃO...
- Page 38 • World's Leader in Welding and Cutting Products • • 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...