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Lincoln Electric 11006 - 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 • SPREAD ARC OPERA TOR’S MANUAL IM896 August, 2006 Safety Depends on You Lincoln arc welding and cutting equipme ...
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Lincoln Electric 11006 - 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 11006 - page 3
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 skin and that of ...
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Lincoln Electric 11006 - 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 manufacturer’s recommendations. 8.c. Ground the equipment in accordance with the U.S. National Electrical C ...
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Lincoln Electric 11006 - page 5
Mar. ‘93 iv SAFETY iv 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 L’Arc 1. Protegez-vous contre la secousse électrique: a. Les ...
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Lincoln Electric 11006 - page 6
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 11006 - page 7
vi vi T ABLE OF CONTENTS Page General Information .....................................................................................................................1 Product Description ..................................................................................................................1 Recommended processes and Equipment ......... ...
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Lincoln Electric 11006 - page 8
1 GENERAL INFORMA TION SPREADARC 1 PRODUCT DESCRIPTION General Physical Description The K278-1 Spreadarc has been designed to oscillate an Automatic welding head across the line of travel when welding long seams. The welding head and noz- zle are mounted to the Spreadarc carriage. The Spreadarc is then mounted to either a stationary head mount or t ...
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Lincoln Electric 11006 - page 9
2 COMMON EQUIPMENT P ACKAGES SPREADARC 2 K1288-17 K325S K210-2 K212A K231-1/8 K278-1 K1842-10 K29 K219 DC 600 Power Source TC-3 Travel Carriage NA-3 Control NA-3N Head Subarc Contact Nozzle Spreadarc Weld Cable Vertical Lift Adjuster Automatic Flux Hopper BASIC P ACKAGE K1797-xx Control Cable (10’ included with K278-1) ADV ANCED P ACKAGE ...
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Lincoln Electric 11006 - page 10
3 TECHNICAL SPECIFICA TIONS SPREADARC 3 SPREADARC (K279-1) Voltage Input Amperes 42/1/50/60 3.0 INPUT VOL T AGE AND CURRENT HEIGHT WIDTH DEPTH WEIGHT 13.7 in. 17.8 in. 12.6 in. 65 lbs (348 mm) (452.12 mm) (320.04 mm) (29.5 kg) PHYSICAL DIMENSIONS ENVIRONMENT AL RANGES Operating Temperature -4°F to 104°F (-20°C to 40°C) Storage Temperature -40° ...
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Lincoln Electric 11006 - page 11
A-1 INST ALLA TION SPREADARC A-1 NON-ST ANDARD SAFETY INFORMA TION ELECTRIC SHOCK can kill. • Turn off power at the power source disconnect switch before working inside the equipment. ------------------------------------------------------------------------ INPUT CONNECTIONS • Only a qualified electrician should connect the Spreadarc. Installati ...
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Lincoln Electric 11006 - page 12
A-2 INST ALLA TION SPREADARC A-2 3. Remove the head mounting block from the NA-3, NA-4, NA-5, or POWER FEED-10S head (if includ- ed) by removing the four allen head cap screws. This part is not used during the installation of the Spreadarc. Mount the head to the Spreadarc using the two 1/2-13 X 1.00 hex head screws , washers and lock washers suppli ...
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Lincoln Electric 11006 - page 13
A-3 INST ALLA TION SPREADARC A-3 CONNECTION DIAGRAM Connection to 42Vac Power Source (See Figure A-3) Required: • 42Vac Power Source. • K1797-xx Control Cable (10ft. included with K278-1). • K278-1 Spreadarc. • NOTE: K1798 Terminal Strip Adapter may be nec- essary if power source 14-pin connector is unavail- able. Connection to 115Vac Power ...
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Lincoln Electric 11006 - page 14
B-1 OPERA TION B-1 CASE FRONT CONTROL DESCRIPTION (See Figure B-1) 1. ON/OFF SWITCH – Turns power on/off to the unit. 2. START BUTTON – Starts the oscillation based on the values set in each of the modes. 3. STOP BUTTON – Stops oscillation. 4. JOG SWITCH – The Jog Switch will move the oscil- lation carriage left or right at the speed set on ...
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Lincoln Electric 11006 - page 15
B-2 OPERA TION SPREADARC B-2 USER INTERF ACE CONTROLS SETTING OSCILLATION SPEED (See Figure B-2) Oscillation Speed is the speed in inches per minute that the Spreadarc carriage will travel back and forth. To adjust the Oscillation Speed, press the Select Toggle Switch up or down until the LED for Oscillation Speed illuminates. The Display will show ...
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Lincoln Electric 11006 - page 16
B-3 OPERA TION B-3 COMMON WELDING PROCEDURES Set the oscillation speed and the rear and front dwell times as called for in the welding procedure. The front dwell time controls the dwell when the nozzle is at the proximity sensor farthest from the Spreadarc mount- ing bracket (right-side when facing the Spreadarc User Interface). The rear dwell time ...
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Lincoln Electric 11006 - page 17
D-1 MAINTENANCE D-1 SPREADARC SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Turn off power at the power source disconnect switch before working inside the equipment. ----------------------------------------------------------------------- W ARNING PERIODIC MAINTENANCE (See Figure D-1) "V" Tracks and Bearings Clean, inspect, and re-lubric ...
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Lincoln Electric 11006 - page 18
D-2 MAINTENANCE D-2 5. With the control box and carriage out of the way, access to the track fasteners Item 12 can be gained. 6. Inspect the four "V" bearings on the carriage to veri- fy that they rotate freely and are not excessively worn. 7. Note: Do not loosen the hex nuts holding the gear motor in place – the gear motor has been fac ...
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Lincoln Electric 11006 - page 19
F-1 WIRING DIAGRAMS F-1 SPREADARC NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code nu ...
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Lincoln Electric 11006 - page 20
F-2 DIMENSION PRINT F-2 SPREADARC ...
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Lincoln Electric 11006 - page 21
W ARNING A VISO DE 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 EL ...
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Lincoln Electric 11006 - page 22
W ARNING A VISO DE 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 EQUIP AMENTO 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 fr ...
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Lincoln Electric 11006 - page 23
• 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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