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IM403
TM
January, 2000
By Lincoln Electric
OPERATING MANUAL
™
MAGNUM AIR-COOLED TIG TORCHES
LA-9 LA-17 LA-26
LA-17V LA-26V
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
DAMAGE CLAIMS SAFETY DEPENDS ON YOU
When this equipment is purchased, title passes to the purchaser Lincoln welders are designed and built with safety in mind.
upon receipt by the carrier. Consequently, claims for material However, your overall safety can be increased by proper instal-
damaged in s
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can- chemicals known to the State of California to cause cer, birth defects, and other reproductive harm. cancer, birth defects, or other reproductive harm. The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY
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ii ii SAFETY ELECTRIC SHOCK can ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot” when the welder is on. open arc welding. Headshield and filter lens Do not touch these “hot” parts with your bare should conform to ANSI Z87. I standards. skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 4.b. Us
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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 zones où l’on pique le laitier. PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de Pour votre propre protection lire et observer toutes les instructions prévenir tout risque d’incendie dû aux étincelles. et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- 7. Quand on ne soude pas, poser la pince à une endroit isolé de antes: la masse. Un court-circuit accidental peut provo
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TM LA-9 MODELS AIR-COOLED 125 AMPS By Lincoln Electric TORCH/REPLACEMENT PARTS Part Industry Item Description No. Reference 1 S19258-1 — Torch body with gaskets, LA-9 2 S19511-1 — Torch handle, LA-9 1 3 S19512-2 57Y01-2 Power cable and gas, 12 /2’ (3.8m) 3 S19512-4 57Y03-2 Power cable and gas, 25’ (7.6m) 1 4 S19512-1 57Y01R Power cable with gas, 12 /2’ (3.8m) 4 S19512-3 57Y03R Power cable with gas, 25’ (7.6m) 5 S19257-3 105Z57 Power cable adapter, LA-9 6 S19513-3 41V24 Back cap, long, wi
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CHART 1 — Select tungsten diameter and alumina nozzle based on current and application. (1) TYPICAL CURRENT RANGES FOR TUNGSTEN ELECTRODES AC DCEN (-) DCEP (+) Balanced Wave Unbalanced Wave Tungsten Pure and Pure and 1%, 2% 1%, 2% Electrode 1%. 2% 1%, 2% Thoriated Thoriated Alumina Diameter Thoriated Thoriated Pure Tungsten Pure Tungsten Nozzle in. (mm) Tungsten Tungsten Tungsten Zirconiated Tungsten Zirconiated Size (2) 0.020 (0.5) 5- 20 10- 20 5- 20 5- 15 5- 20 4, 5, 6 (2) 0.040 (1.0) 15- 80
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TM LA-17, LA-17V MODELS AIR-COOLED 150 AMPS By Lincoln Electric TORCH/REPLACEMENT PARTS Part Industry Item Description No. Reference 1 S19259-1 — Torch body with gaskets, LA-17 2 S19259-2 — Torch body with gaskets, LA-17V 3 S19515-1 VS-2 Valve knob with “O” ring, 10 Pak 4 S19511-1 — Torch handle, LA-17, LA-17V 1 5 S19512-2 57Y01-2 Power cable and gas, 12 /2’ (3.8m) 5 S19512-4 57Y03-2 Power cable and gas, 25’ (7.6m) 1 6 S19512-1 57Y01R Power cable with gas, 12 /2’ (3.8m) 6 S19512-3 57Y03R
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CHART 4 — Select tungsten diameter and alumina nozzle based on current and application. (1) TYPICAL CURRENT RANGES FOR TUNGSTEN ELECTRODES AC DCEN (-) DCEP (+) Balanced Wave Unbalanced Wave Tungsten Pure and Pure and 1%, 2% 1%, 2% Electrode 1%, 2% 1%, 2% Thoriated Thoriated Alumina Diameter Thoriated Thoriated Pure Tungsten Pure Tungsten Nozzle in. (mm) Tungsten Tungsten Tungsten Zirconiated Tungsten Zirconiated Size (2) 0.020 (0.5) 5- 20 10- 20 5- 20 5- 15 5- 20 4, 5, 6 (2) 0.040 (1.0) 15- 80
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TM LA-26, LA-26V MODELS AIR-COOLED 200 AMPS By Lincoln Electric TORCH/REPLACEMENT PARTS Part Industry Item Description No. Reference 1 S19260-1 — Torch body with gaskets, LA-26 2 S19260-2 — Torch body with gaskets, LA-26V 3 S19515-2 VS-1 Valve knob with “O” ring 4 S19511-2 — Torch handle, LA-26, LA-26V 1 5 S19512-6 46V28-2 Power cable and gas, 12 /2’ (3.8m) 5 S19512-8 46V30-2 Power cable and gas, 25’ (7.6m) 1 6 S19512-5 46V28R Power cable with gas, 12 /2’ (3.8m) 6 S19512-7 46V30R Power c
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CHART 7 — Select tungsten diameter and alumina nozzle based on current and application. (1) TYPICAL CURRENT RANGES FOR TUNGSTEN ELECTRODES AC DCEN (-) DCEP (+) Balanced Wave Unbalanced Wave Tungsten Pure and Pure and 1%, 2% 1%, 2% Electrode 1%, 2% 1%, 2% Thoriated Thoriated Alumina Diameter Thoriated Thoriated Pure Tungsten Pure Tungsten Nozzle in. (mm) Tungsten Tungsten Tungsten Zirconiated Tungsten Zirconiated Size (2) 0.020 (0.5) 5- 20 10- 20 5- 20 5- 15 5- 20 4, 5, 6 (2) 0.040 (1.0) 15- 80
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CONNECTION DIAGRAMS POWER SOURCE GAS VALVE, 1 PIECE POWER CABLE TORCH GAS VALVE, 1 PIECE POWER CABLE TORCH GAS VALVE, 2 PIECE POWER CABLE Note: Refer to the manufacturer’s power source operating manual for recommended installation practice.
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— The hook-up kits contain the necessary hoses to connect between your gas regulator and power HOOK-UP KITS source. The hook-up kits are required for proper connection and are ordered separately. KP505 For LA-9, LA-17, LA-26 KP506 For LA-17V, LA-26V Part No. Quantity Description Quantity Part No. Description (Industry Ref.) 1 1 S19558-1 Gas hose, 12 /2 ft. (3.8m) 1 1 S19558-1 Gas hose, 12 /2 ft. (3.8m) (40V77) with 5/8-18 right hand male fittings 1 19558-2 Gas hose, 18” (457mm) (From s
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● Do not touch electrically live parts or ● Keep flammable materials away. ● Wear eye, ear and body protection. electrode with skin or wet clothing. WARNING ● Insulate yourself from work and ground. Spanish ● No toque las partes o los electrodos ● Mantenga el material combustible ● Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja- fuera del área de trabajo. cuerpo. AVISO DE da. PRECAUCION ● Aislese del trabajo y de la tierra. French ● Ne laissez ni la peau ni des vête- ● Gar
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● Keep your head out of fumes. ● Turn power off before servicing. ● Do not operate with panel open or ● Use ventilation or exhaust to guards off. WARNING remove fumes from breathing zone. Spanish ● Los humos fuera de la zona de res- ● Desconectar el cable de ali- ● No operar con panel abierto o piración. mentación de poder de la máquina guardas quitadas. AVISO DE ● Mantenga la cabeza fuera de los antes de iniciar cualquier servicio. humos. Utilice ventilación o PRECAUCION aspiración para gases.
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� 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
