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IM764-A
RED-D-ARC
November, 2007
E E X350 i i
10945, 11487
For use with machines having Code Numbers:
OPERATORʼS MANUAL
Red-D-Arc Spec-Built Welding Equipment
This RED-D-ARC welder is built to RED-D-ARC Extreme Duty
design specifications by Lincoln Electric.
Safety Depends on You
This welder is designed and built with safety in mind.
However, your overall safety can be increased by proper installation
... and thoughtful 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.
1-800-245-3660
North Americaʼs Largest Fleet of Welding Equipment
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Table of Contents
Related Manuals for Lincoln Electric K1757-2
Summary of Contents for Lincoln Electric K1757-2
- Page 1 OPERATORʼS MANUAL Red-D-Arc Spec-Built Welding Equipment This RED-D-ARC welder is built to RED-D-ARC Extreme Duty design specifications by Lincoln Electric. Safety Depends on You This welder is designed and built with safety in mind. However, your overall safety can be increased by proper installation ...
- 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.
- Page 3 SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 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”...
- Page 4 SAFETY CYLINDER may explode WELDING and CUTTING SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed gas cylinders 6.a. Remove fire hazards from the welding area. containing the correct shielding gas for the If this is not possible, cover them to prevent process used and properly operating the welding sparks from starting a fire.
- Page 5 SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où lʼon pique le laitier. Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté...
- Page 6 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 7: Table Of Contents
TABLE OF CONTENTS Page Installation .......................Section A Technical Specifications ..................A-1 Safety Precautions ..................A-2 Select Suitable Location..................A-2 Stacking ......................A-2 Tilting.......................A-2 Input and Grounding Connections ..............A-2 Power Cord Connection ..................A-2 Connection of Wire Feeders to EX350i ............A-2 Remote Control of Invertec ................A-3 Undercarriage Mountings................A-3 Parallel Operations..................A-4 ________________________________________________________________________... -
Page 8: Installation
Amps/Volt/ Duty Cycle (Continuous) 208-230/ 380-400/ 415-460/ AMPS 350/34/60% EX350i K1757-2 5-425 80 VDC 300/32/100% 1 & 3 PHASE 50/60Hz EX350i INPUT CURRENT Recommended Fuse Sizes Base On The U.S. National Electrical Code And Maximum Machine Outputs Input 50/60 Hz... -
Page 9: Safety Precautions
INSTALLATION • Open the access panel on the rear of the machine. SAFETY PRECAUTIONS • For 200 or 230: Position the large switch to 200- WARNING 230. For higher voltages: Position the large switch to ELECTRIC SHOCK can kill. 380-575. •... -
Page 10: Remote Control Of Invertec
INSTALLATION Cobramatic Connection Instructions LN-7 Connection Instructions • Turn the EX350i power switch "off" • Turn the EX350i power switch “off”. • Connect the control cable from the Cobramatic to • Connect the K480 control cable from the LN-7 to the 24/42 VAC 14-pin wire feeder amphenol on the the EX350i 115 VAC control cable connector.The front of the EX350i. -
Page 11: Parallel Operations
INSTALLATION PARALLEL OPERATION The EX350i are operable in parallel in CC mode. For best results, the currents of each machine should be reasonably well shared. As an example, with two machines set up in parallel for a 400 amp procedure, each machine should be set to deliver approximately 200 amps, not 300 amps from one and 100 amps from the other. -
Page 12: Operation
OPERATION SAFETY PRECAUTIONS • After welding, the meter holds the actual current value for 5 seconds. Output adjustment while in the WARNING "hold" period results in the "prior to operation" char- acteristics stated above. The displays blink indicat- ELECTRIC SHOCK can kill. ing that the machine is in the "Hold"... -
Page 13: Hidden Middle Control Panel
OPERATION 5. THERMAL CC-STICK SOFT: The Stick Soft process features • This status light indicates when the power source has continuous control ranging from 5 to 425 amps. This been driven into thermal overload. If the output terminals mode was intended for most SMAW applications, and were "ON", the "ON"... - Page 14 OPERATION TIG GTAW: The TIG mode features continuous con- • The Hot Start control is not used in the CV-FLUX trol from 5 to 425 amps. The TIG mode can be run in CORED mode. either the TIG touch start or high frequency (optional •...
- Page 15 OPERATION 7A. ADVANCED PROCESS PANEL • Pulsed Modes (See Figure 2) In Pulse Modes; The work point will be in the Amps window and To program Welding modes. Select knob is used to should be set close to the wire feed speed of the Scroll through all Welding modes.
- Page 16 OPERATION CONTROLS: 5. After all adjustments have been made press and (See Figure 2) hold the Memory button until the display changes. The right and the left window will display a memory The MEMORY button and SELECT knob are used position, lets say M1(or turn knob to select memory together to select a welding process and store it in of your choice.
- Page 17 OPERATION WELD MODE DETAILS: Mode Range Comments Stick Soft 5 - 425 amps The stick soft mode is the best selection for general stick applications. Arc Control = Arc Force Hot Start = Initial hot start current (min = start a match set amps, Max. = greatest hot start current) During hot start, arc force is set at high and is fast response.
- Page 18 OPERATION PULSE PROGRAMS: MODE IMP* COMMENTS .030 Steel 65 - 1200 The EX350i pulse programs are non-synergic and allow indepen- .035 Steel 55 - 800 dent control of the wire feed speed and the arc length. The Output .045 Steel 50 - 700 Control Knob on the EX350i, adjusts an "SPD"...
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Page 19: Lower Case Panel
OPERATION LN-10/DH-10 Wire Feeder Compatibility Note: • If a remote control is connected to any of the amphenols the WELD TERMINAL control will The LN-10 and DH-10 feeders can be used to pulse default to REMOTE. If there are not any remote weld and in the power mode with the panel. -
Page 20: Auxiliary Power
OPERATION AUXILIARY POWER • 115VAC, 42VAC and 24VAC power is available from the two 14-pin amphenols on the rear of the unit. These supplies are intended to supply power for auxiliary equipment like wire feeders and the TIG Module. • 115VAC supply is rated at 2 amps and is protected by a 2.5 amp breaker located by the amphenol. -
Page 21: Accessories
ACCESSORIES QUICK DISCONNECT PLUGS OPTIONS / ACCESSORIES • K2176-1 Twist-Mate to Lug Adapter A quick disconnect system is used for the welding • K1764-1 Inverter and Feeder Cart cable connections. The K852-70 is designed to • K1557 Swivel Kit accept a welding cable size of 1/0 to 2/0. •... -
Page 22: Maintenance
MAINTENANCE SAFETY PRECAUTIONS VISUAL INSPECTION WARNING Clean interior of machine with a low pressure air stream. Make a thorough inspection of all compo- ELECTRIC SHOCK can kill. nents. Look for signs of overheating, broken leads or • Do not touch electrically live parts or electrode with skin or wet clothing. -
Page 23: Troubleshooting
TROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by 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 24 (SYMPTOMS) Major physical or electrical damage 1. Contact your local authorized is evident when the sheet metal Lincoln Electric Field Service facil- covers are removed. ity for technical assistance. Input fuses keep blowing, or input 1. Make certain that the fuses or breaker keeps tripping breakers are properly sized.
- Page 25 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION Thermal symbol is lit 1. Check for proper fan operation. If fan is not operating correctly the CB 2 amp breaker may have opened.
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Page 26: Fault Codes
TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual Fault Codes Code Description Corrective Action Primary over current. If condition persists The machine needs to contact an authorized be turned off and back Field Service Shop on to reset the machine. CAP bank A under voltage. -
Page 27: Displays
TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual Displays Description Scrolling dash Appears at power up while the machine is going through its self configu- ration "Err" "####" Fault code display. The first fault to occur will be displayed for three seconds. - Page 28 DIAGRAMS EX350i...
- Page 29 DIAGRAMS EX350i...
- Page 30 DIAGRAMS EX350i...
- Page 31 DIAGRAMS EX350i...
- Page 32 DIAGRAMS EX350i...
- Page 33 DIAGRAMS EX350i...
- Page 34 DIAGRAMS EX350i...
- Page 35 DIAGRAMS EX350i...
- Page 36 DIMENSION PRINT EX350i...
- Page 37 NOTES EX350I...
- Page 38 ● ● ● Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. WARNING electrode with skin or wet clothing. ● 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 AVISO DE...
- Page 39 ● ● ● 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- ●...
- 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...