Lincoln Electric PRECISION TIG 225 Operator's Manual
Lincoln electric welder user manual
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- Specification sheet (168 pages) ,
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PRECISION TIG 225
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
THROUGHOUT. And, most
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
RETURN TO MAIN MENU
11317, 11318, 11319
(11320 Ready-Pak)
(11321 Ready-Pak w/Cart)
IP 21S
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
Copyright © 2007 Lincoln Global Inc.
IM895
May, 2007
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Table of Contents
Troubleshooting
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Summary of Contents for Lincoln Electric PRECISION TIG 225
- Page 1 PRECISION TIG 225 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.
- Page 2 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.
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Page 3: Electric Shock Can Kill
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. - Page 4 WELDING and CUTTING 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 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 EN 60974-10...
- Page 7 SAFETY EN 60974-10:...
- Page 8 Electric for advice or information about their use of our products. We respond to our customers based on the best information in our posses- sion at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such infor- mation or advice.
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Page 9: Table Of Contents
Case Rear Components ...B-5 Operating Steps ...B-6 Welding in TIG Mode ...B-6 Pulse TIG Mode ...B-6 Remote Control Operation ...B-7 Benefits of the Precision TIG 225 ...B-7 Welding in Stick Mode ...B-8 Recommended electrode Amperage Ranges ...B-9 ________________________________________________________________________________ Accessories ...Section C Standard Equipment Options ...C-1... -
Page 10: Installation
TECHNICAL SPECIFICATIONS - PRECISION TIG 225 (K2533-1AND K2535-1,-2) Standard Voltage 208/230/1/60 Output Current Range 5-230 Amps (AC) 5-230 Amps (DC) Process Duty Cycle** GTAW 10% Duty Cycle 20% Duty Cycle 100% Duty Cycle SMAW 10% Duty Cycle 20% Duty Cycle 100% Duty Cycle **Chart gives max. - Page 11 PHYSICAL DIMENSIONS WIDTH 14.48 in. 368 mm 14.48 in. 368 mm 19.81 in. 503 mm ENVIRONMENTAL RANGES PRECISION TIG 225 Idle Current 1.3 A/1.0 A Max. 0.62 Min. Idle Current 0.62 Min. 1.5 A/1.4 A Max. Output Type CC (Constant Current)
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Page 12: Safety Precautions
• The Precision TIG 225 must be located where there is free circulation of clean air such that air move- ment in and out the back air vents will not be restricted. -
Page 13: Machine Grounding And High Frequency Interference Protection
MACHINE GROUNDING AND HIGH FRE- QUENCY INTERFERENCE PROTECTION Locate the Precision TIG 225 away from radio controlled machinery. The normal operation of the Precision TIG 225 may adversely affect the operation of RF controlled equipment, which may result in bodily injury or damage to the equipment. -
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 225. PRECISION TIG 225 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 225. To minimize high frequency interference, refer to Input and Ground 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
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 SINGLE PHASE TRANSFORMER AC AND RECTIFIER DC POWER SOURCE PRECISION TIG 225... -
Page 17: Product Description
Output control will not provide full range of control. WELDING CAPABILITY(Duty Cycle) The PRECISION TIG 225 is rated at 225 amps, 29 volts, at 10% duty cycle on a ten minute basis. It is capable of higher duty cycles at lower output currents. See rated output graph, on specification sheet located in the Installation Section. -
Page 18: Controls And Settings
CONTROLS AND SETTINGS All operator controls and adjustments are located on the front of the PRECISION TIG 225. 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-... -
Page 19: Power-Up Sequence
8. PULSE TIG CONTROL – The Pulse TIG feature built into the PRECISION TIG 225 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: Case Rear Components
The louver baffle steers exhaust air down and prevents it from re-entering the upper vents. 4. MACHINE RATING PLATE 5. RECEPTACLE AND CIRCUIT BREAKER-115vac auxiliary NEMA 6-20R . OPERATION FIGURE B.2 PRECISION TIG 225... -
Page 21: Operating Steps
• This setting adjusts heat output and bead shape for travel speed. Thinner plate that is welded with faster travel speed will require higher frequency than thick- er plate with slower travel speed. 2-3pps is a typical starting point. OPERATION PRECISION TIG 225... -
Page 22: Remote Control Operation
AC wave offers no cleaning action but con- centrates more heat on the work. The AC waveform of the PRECISION TIG 225 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 23: 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 225 Blue Max procedures are based on C6.1 6/95 Red Baron Procedure are based on ES-503 10/93... -
Page 24: Accessories
• TIG Slide Rule ( WC332)* • GTAW Book (JFLF-834)* • Lift Eyebolt* The Precision TIG 225 will also be available as Basic models with Domestic, Canadian and International input voltages for user-configuration:with optional accessories. (See Table C.1) Select Machine 208/230/1/60 Machine with 9 ft.(2.7m) NEMA 6-50P Plug Cable and Receptacle (K2533-1) -
Page 25: Factory Installed Options
• TIG Slide Rule ( WC332)* • GTAW Book (JFLF-834)* • Lift Eyebolt* The Precision TIG 225 will also be available as Basic models with Domestic, Canadian and International input voltages for user-configuration with optional accessories: (See Table C.2) Select Machine 208/230/1/60 Machine with 9 ft.(2.7m) NEMA 6-50P Plug Cable and Receptacle (K2533-1) -
Page 26: 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 225) ACCESSORIES • Magnum “Pro-Torch™ TIG Torch” assemblies and Accessories. Requires Twist-Mate Adapter:... -
Page 27: Maintenance
• Arc Starter/Spark Gap Assembly • PC Boards • Fan Blades 3. Inspect welder output and control cables for fraying, cuts, and bare spots. 4. Keep TIG torch and cables in good condition. 5. Clean air louvers to ensure proper air flow and cool- ing. -
Page 28: 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 29: Troubleshooting
Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) Machine is Dead -No Output - No Fan runs normally at power up - No output from machine in either Stick or TIG modes. Fan runs at power up - No output from machine in either Stick or TIG modes and the yellow light on the control panel is on. - Page 30 1. If welding in the TIG mode the remote control device may be defective. CAUTION PRECISION TIG 225 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 2. Micro Switch mounted on Polarity Switch is not opening in “AC” mode. CAUTION PRECISION TIG 225 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 32 6. Check the welding cables for loose or faulty connections. 7. This may be a welding procedure problem. CAUTION PRECISION TIG 225 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 33 See Electrode Amperage Ranges in the Operation Section of this manual. CAUTION PRECISION TIG 225 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 34 3. The weld current may be set too low. CAUTION PRECISION TIG 225 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 35: Diagrams
DIAGRAMS Enhanced Diagam PRECISION TIG 225... -
Page 36: Dimension Print
DIMENSION PRINT PRECISION TIG 225... - Page 37 DIMENSION PRINT PRECISION TIG 225...
- Page 38 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
- Page 39 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ATTENTION ● German WARNUNG Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATENÇÃO...
- Page 40 • 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...