Processes
OM-225 428B
2014−07
Visit our website at
www.MillerWelds.com
File: TIG (GTAW)
Hand-Held Air-Cooled TIG(GTAW) Torch
A-200 Series (WP-26 Series)
A-200A-200VA-200FVA-200FA-R200FA-R200FV
(WP-26)(WP-26V)(WP-26FV)(WP-26F)(WP-R26F)(WP-R26FV)
TIG (GTAW) Welding
Description
Page 1: ...sit our website at www MillerWelds com File TIG GTAW Hand Held Air Cooled TIG GTAW Torch A 200 Series WP 26 Series A 200 A 200V A 200FV A 200F A R200F A R200FV WP 26 WP 26V WP 26FV WP 26F WP R26F WP R26FV TIG GTAW Welding Description ...
Page 2: ...ducts Please take time to read the Safety precautions They will help you protect yourself against potential hazards on the worksite We ve made installation and operation quick and easy With Miller you can count on years of reliable service with proper maintenance And if for some reason the unit needs repair there s a Troubleshooting section that will help you figure out what the problem is The par...
Page 3: ...5 SECTION 3 SPECIFICATIONS 7 3 1 Specifications 7 3 2 Duty Cycle 7 SECTION 4 INSTALLATION 8 4 1 Required Torch Parts And Torch Assembly 8 4 2 International Style Connector Assembly 8 4 3 Connecting Torch 9 SECTION 5 MAINTENANCE TROUBLESHOOTING 11 5 1 Routine Maintenance 11 5 2 Troubleshooting 11 SECTION 6 SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING WITH INVERTER MACHINES 13 6 1 Selecti...
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Page 5: ...can burn eyes and skin Wear an approved welding helmet fitted with a proper shade of filter lenses to protect your face and eyes from arc rays and sparks when welding or watching see ANSI Z49 1 and Z87 1 listed in Safety Standards Wear approved safety glasses with side shields under your helmet Use protective screens or barriers to protect others from flash glare and sparks warn others not to watc...
Page 6: ...rnational org Safe Practice For Occupational And Educational Eye And Face Protec tion ANSI Standard Z87 1 from American National Standards Institute 25 West 43rd Street New York NY 10036 phone 212 642 4900 web site www ansi org Standard for Fire Prevention During Welding Cutting and Other Hot Work NFPA Standard 51B from National Fire Protection Association Quincy MA 02269 phone 1 800 344 3555 webs...
Page 7: ...surée Mettre la soudeuse hors tension avant de remplacer un électrode de tungstène ou des pièces de torche S assurer que tous les couvercles et poignées sont fermement assujettis LES RAYONS DE L ARC peuvent provoquer des brûlures dans les yeux et sur la peau Le rayonnement de l arc du procédé de soudage génère des rayons visibles et invisibles intenses ultraviolets et infrarouges susceptibles de p...
Page 8: ...Welding Society at http www aws org or purchased from Global Engineering Documents phone 1 877 413 5184 website www global ihs com Safe Practice For Occupational And Educational Eye And Face Protec tion ANSI Standard Z87 1 from American National Standards Institute 25 West 43rd Street New York NY 10036 phone 212 642 4900 web site www ansi org Safe Practices for the Preparation of Containers and Pi...
Page 9: ...iser l exposition aux CEM provenant du circuit de soudage 1 Rassembler les câbles en les torsadant ou en les attachant avec du ruban adhésif ou avec une housse 2 Ne pas se tenir au milieu des câbles de soudage Disposer les câbles d un côté et à distance de l opérateur 3 Ne pas courber et ne pas entourer les câbles autour de votre corps 4 Maintenir la tête et le torse aussi loin que possible du mat...
Page 10: ...OM 225 428 Page 6 ...
Page 11: ... Amperage Rating 200 Amps W Argon Gas At 60 Duty Cycle DCEN 150 Amps W Argon Gas At 60 duty Cycle ACHF Cooling Method Air Tungsten Size 020 Thru 5 32 in 0 5 Thru 4 0 mm Cable Options 12 5 ft 3 8 m or 25 ft 7 6 m One Piece Rubber 12 5 ft 3 8 m or 25 ft 7 6 m Two Piece Rubber Dimensions Length 8 5 in 216 mm Handle Diameter 1 13 in 29 mm Weight 11 05 oz 313 g Length 9 in 229 mm Handle Diameter 1 13 i...
Page 12: ...cup heat shield and backcap as needed 10 Power Cable Adapter 11 Tungsten Electrode See Section 6 Installing Tungsten To adjust tungsten position loosen back cap 4 3 2 1 5 6 7 8 9 10 11 4 2 International Style Connector Assembly 1 Weld Output Cable 2 Insulating Boot 3 Sleeve Slide insulating boot onto cable strip cable and install sleeve 4 Connector Body 5 Setscrew Insert cable with sleeve fully in...
Page 13: ...low is required to cool tungsten and weld and to prevent contamina tion of tungsten and weld After weld ing leave valve open about 1 second for every 10 amperes of weld current Close valve on torch when postflow is finished 6 One Piece Torch Cable 7 Power Cable Adapter Connect gas hose and power cable to adapter before connecting adapter to weld output terminal 8 Work Clamp Connect work clamp to c...
Page 14: ...a tion of tungsten and weld After weld ing leave valve open about 1 second for every 10 amperes of weld current Close valve on torch when postflow is finished Tools Needed 11 16 in Torch With Gas Valve 9 5 6 7 4 2 3 Torch Without Gas Valve 4 2 3 1 5 7 8 6 805 554 A If applicable install high frequency unit C Connecting Torch With Flow Through Type Connection Turn Off welding power source power bef...
Page 15: ...and be sure shielding gas is present Lack of high frequency difficulty in es tablishing arc Select proper size and type of tungsten Properly prepare tungsten according to Section 7 Check cables and torch for cracks or bad connections Be sure that torch cables are not close to any grounded metal Repair or replace necessary parts Check torch consumables Be sure collet and collet body are correctly i...
Page 16: ...ate Check manufacture s recommendations Increase postflow time Check torch cup size Match cup size to joint being welded Erratic arc Make sure base material is clean and free of contaminates When using DC check polarity and or polarity of welding cables Select proper size and type of tungsten Properly prepare tungsten according to Section 7 Use proper arc length Arc length may be too long or too s...
Page 17: ...e 11 to 35 CFH cubic feet per hour Figures listed are a guide and are a composite of recommendations from American Welding Society AWS and electrode manufacturers 6 2 Preparing Tungsten Electrode For DC Electrode Negative DCEN Welding Or AC Welding With Inverter Machines Grinding the tungsten electrode produces dust and flying sparks which can cause injury and start fires Use local exhaust forced ...
Page 18: ...nmentally safe way Wear proper face hand and body protection Keep flam mables away 1 Workpiece Make sure workpiece is clean before welding 2 Work Clamp Place as close to the weld as possible 3 Torch 4 Filler Rod If Applicable 5 Gas Cup 6 Tungsten Electrode Select and prepare tungsten according to Section 6 Guidelines The inside diameter of the gas cup should be at least three times the tungsten di...
Page 19: ...rch to front of pool Repeat process 75 75 Welding direction Form pool Tilt torch Add filler metal Move torch to front of pool Repeat process Remove rod Welding direction 15 7 3 Positioning Torch Tungsten For Various Weld Joints ST 162 003 S 0792 75 70 90 20 20 10 15 75 20 40 30 15 75 90 15 Butt Weld And Stringer Bead T Joint Lap Joint Corner Joint ...
Page 20: ...28 Page 16 SECTION 8 PARTS LIST WC 0215B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 31 33 34 35 36 37 38 39 40 44 43 42 41 29 28 32 32 27 26 32 38 38 30 Figure 8 1 Complete Torch Assembly ...
Page 21: ...in 1 1 6 54N16 Nozzle Alumina GL 6 3 8 in 1 1 6 54N15 Nozzle Alumina GL 7 7 16 in 1 1 6 54N14 Nozzle Alumina GL 8 1 2 in 1 1 6 54N19 Nozzle Alumina GL Short 11 11 16 in 1 1 7 45V29 Gas Lens 0 020 in 0 5 mm 1 1 7 45V24 Gas Lens 0 040 in 1 0 mm 1 1 7 45V25 Gas Lens 1 16 in 1 6 mm 1 1 7 45V26 Gas Lens 3 32 in 2 4 mm 1 1 7 45V27 Gas Lens 1 8 in 3 2 mm 1 1 7 45V28 Gas Lens 5 32 in 4 0 mm 1 1 8 10N21 Co...
Page 22: ...5Z45 Nozzle Lava 7 7 16 in 1 1 19 08N78 Nozzle Lava 8 1 2 in 1 1 19 08N79 Nozzle Lava 10 5 8 in 1 1 19 08N80 Nozzle Lava 12 3 4 in 1 1 20 10N49L Nozzle Alumina Long 5L 5 16 in 1 1 20 10N48L Nozzle Alumina Long 6L 3 8 in 1 1 20 10N47L Nozzle Alumina Long 7L 7 16 in 1 1 21 10N50 Nozzle Alumina 4 1 4 in 1 1 21 10N49 Nozzle Alumina 5 5 16 in 1 1 21 10N48 Nozzle Alumina 6 3 8 in 1 1 21 10N47 Nozzle Alu...
Page 23: ...Power 25 Ft 7 6 m 1 1 41 46V28 2 Cable Power 2 pc 12 5 Ft 3 8 m Includes 1 1 40V75R Hose Gas 12 5 Ft 3 8 m Rubber 1 1 41 46V30 2 Cable Power 2 pc 25 Ft 7 6 m Rubber Includes 1 1 41V30R Hose Gas 25 Ft 7 6 m Braided 1 1 42 WC 3 10 Cover Cable 10 Ft 3 0 m 1 1 42 WC 3 22 Cover Cable 22 Ft 6 7 m 1 1 43 195379 Adapter Torch Intln Style Gas 26 1 1 43 194 723 Adapter Torch Di 26r 200A 1 1 43 129 527 Conn ...
Page 24: ... 7 16 in 1 1 1 1 6 54N14 Nozzle Alumina GL 8 1 2 in 1 1 1 1 6 54N19 Nozzle Alumina GL Short 11 11 16 in 1 1 1 1 7 45V29 Gas Lens 0 020 in 0 5 mm 1 1 1 1 7 45V24 Gas Lens 0 040 in 1 0 mm 1 1 1 1 7 45V25 Gas Lens 1 16 in 1 6 mm 1 1 1 1 7 45V26 Gas Lens 3 32 in 2 4 mm 1 1 1 1 7 45V27 Gas Lens 1 8 in 3 2 mm 1 1 1 1 7 45V28 Gas Lens 5 32 in 4 0 mm 1 1 1 1 8 10N21 Collet 0 020 in 0 5 mm 1 1 1 1 8 10N22 ...
Page 25: ...va 8 1 2 in 1 1 1 1 19 08N79 Nozzle Lava 10 5 8 in 1 1 1 1 19 08N80 Nozzle Lava 12 3 4 in 1 1 1 1 20 10N49L Nozzle Alumina Long 5L 5 16 in 1 1 1 1 20 10N48L Nozzle Alumina Long 6L 3 8 in 1 1 1 1 20 10N47L Nozzle Alumina Long 7L 7 16 in 1 1 1 1 21 10N50 Nozzle Alumina 4 1 4 in 1 1 1 1 21 10N49 Nozzle Alumina 5 5 16 in 1 1 1 1 21 10N48 Nozzle Alumina 6 3 8 in 1 1 1 1 21 10N47 Nozzle Alumina 7 7 16 i...
Page 26: ...3 8 m Rubber 1 1 1 1 40 46V30R Cable Power 25 Ft 7 6 m 1 1 1 1 41 46V28 2 Cable Power 2 pc 12 5 Ft 3 8 m Includes 1 1 1 1 40V75R Hose Gas 12 5 Ft 3 8 m Rubber 1 1 1 1 41 46V30 2 Cable Power 2 pc 25 Ft 7 6 m Rubber Includes 1 1 1 1 41V30R Hose Gas 25 Ft 7 6 m Braided 1 1 1 1 42 WC 3 10 Cover Cable 10 Ft 3 0 m 1 1 1 1 42 WC 3 22 Cover Cable 22 Ft 6 7 m 1 1 1 1 43 195379 Adapter Torch Intln Style Gas...
Page 27: ...ler s True Blue Limited Warranty shall not apply to 1 Consumable components such as contact tips cutting nozzles contactors brushes relays work station table tops and welding curtains or parts that fail due to normal wear Exception brushes and relays are covered on all engine driven products 2 Items furnished by Miller but manufactured by others such as engines or trade accessories These items are...
Page 28: ...h your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal Safety Equipment Service and Repair Replacement Parts Training Schools Videos Books Technical Manuals Servicing Information and Parts Circuit Diagrams Welding Process Handbooks Contact the Delivering Carrier to ...
