Lincoln Electric LN-742H User's Manual
Contents
1. 2 KP654 035A KP654 3 64A KP654 1 16A K593 KP655 025S KP655 030S KP655 035S KP655 035C KP655 052S KP655 052C KP655 1 16 KP655 3 32 KP656 035A KP656 3 64A KP656 1 16A THE TOTAL SOLUTION Choose from a complete line of Lincoln products to generate the total solution for your welding application e CV 250 CV 300 CV 400 CV 655 CV400 1 CV500 I DC 400 DC 600 and DC 655 e Invertec V350 PRO and V300 power sources e Ranger 9 Ranger 275 Ranger 300 DLX Commander 300 and 500 engine driven welders e MIG and flux cored gun and cable assemblies e A full line of MIG and FCAW wires Must buy optional 42VAC Kit for Codes below 10500 Rated 400 amps 60 duty cycle 2 0 67mm cable with Twist Mate and 14 pin MS type connector 10 25 and 50 ft 3 8 15m lengths Order K591 10 25 or 50 Same as K591 but includes gas and water hoses in 10 ft 3 0 m length Order K593 10 14 Pin Stud Cables K592 K619 Rated GOO amps 60 duty cycle 3 0 85mm cable with lugs and 14 pin MS type connector 10 25 and 50 ft 3 8 15m lengths Order K592 10 25 or 50 Rated 350 amps 60 duty cycle 1 0 cable 53mm with lugs and 14 pin MS type connector 10 25 and 50 ft 3 8 15m lengths Order K619 10 25 or 50 INPUT CABLE ASSEMBLY SELECTION GUIDE Semiautomatic Wire Feeder Magnum gun and cable assembly 14 Pin Twist Mate Input Cable Assem2. CONTROL KITS K589 1 Portable pendant connects to LN 742 for remote control of arc voltage and wire feed speed up to 16 ft 5m away from wire feeder Order K589 1 Swivel Platform Mounts to the lift bail on the power source and bottom of the K1524 1 Wire feeder may be lifted off if need ed Compatible with Light Duty Caster Kit Includes lazy susan parts tray Order K1557 1 I K1557 1 Swivel Platform For mounting wire feeder on top of suitable Lincoln power sources when using K303 wire reel stand Order K178 1 K178 1 voltage control kit and 14 pin input cable assemblies to power sources with a 14 pin receptacle Order K864 K857 For remote adjustment of output volt age Consists of a control box four conductor cable and 6 pin MS type Amphenol connector 28 ft cable Order K857 100 ft cable Order K857 1 LINCOLN 7 ELECTRIC Water Solenoid Kit Includes solenoid and fittings for use with water cooled guns and Magnum water coolers Order K590 1 Water Connection Kit Same as K590 1 except does not include solenoid for water coolers requiring continuous flow Order K590 2 Magnum Products including 200 550 amps air cooled and water cooled gas shielded welding guns Fume extraction systems and guns K179 not recommended as it would only run full speed Innershield Electrode Guns Available 250 600 amps K775 For remote adjustment of output volt age C
3. LN 742 and LN 142H 402 TES ape l be Sue Semiautomatic Constant Speed Wire Feeders LINCOLN LN 742 and LN 42H The LN 742 is a semiautomatic con stant speed wire feeder for MIG and flux cored arc welding Powered by a new 42 volt motor drive system the LN 742 is available in standard or high speed models with either a 2 or 4 roll wire drive system Designed for welding procedure flexi bility and simplicity the LN 742 s keypad panel provides finger touch control for welding procedure parame ters In addition a unique arc starting control system allows you to set run in wire feed speed and acceleration for smooth clean arc starts This feature is ideal for critical arc starting on mild and low alloy steels stainless steels aluminum and alloy materials where starting precision is a must The LN 742 s digital meter can be set for English or metric display allowing either inches per minute or meters per minute procedure setting This makes the unit ideal for multinational corpora tions and contractors who require procedure flexibility ADVANTAGE LINCOLN e LN 742 model feeds up to 1 16 1 6mm solid and 3 382 2 4mm flux cored wires from 50 770 inch es per minute 1 27 19 5 m min wire feed speed e LN 742H high speed model feeds up to 045 1 2mm solid or flux cored wires from 80 1200 inches per minute 2 03 30 5 m min wire feed speed e 2 or 4 roll wire drive system for
4. blies K591 400 amp 60 duty cycle K593 400 amp 60 duty cycle Includes gas and water hoses 10 ft 8 0 m only CV 400 CV 655 DC 400 DC 600 Above code 10500 DC 655 Ranger 9 Ranger 275 Ranger 300 DLX Commander 300 Semiautomatic Commander 500 Wire Feeder Magnum gun and cable assembly Requires K1597 2 42 VAC Kit 14 Pin Stud Input Cable Assemblies K592 600 amp 60 duty cycle K619 350 amp 60 duty cycle 42 Volt Transformer K1520 1 DC 600 Below code 10500 AAAA Semiautomatic d Wire Feeder Magnum gun an cable assemblies Terminal Stud Input Cable Assemblies K592 600 amp 60 duty cycle K619 350 amp 60 duty cycle NOTE A Specify length when NOTE B Connections are for current ordering input cable assemblies equipment design Subject to change See Required Options without notice F 5 www lincolnelectric com OPTIONS AVAILABLE COIL ADAPTER 60 Ib 27 2 kg Adapter Adapts 60 lb 27 2 kg coils of Lincoln electrode to 2 51mm spindle Order K1504 1 K1504 1 READI REEL ADAPTERS 30 Ib 14 kg Adapter Adapts 22 30 Ib 10 13 6 kg Lincoln Readi Reels of electrode to 2 51mm spindle Order K363P Quantity of 15 Order K363P 15 WIRE REEL STAND For use with 50 60 Ib 22 7 27 2 kg coils Includes 1 25 4mm spindle wire reel lift bail and dust shield Order K303 K303 Water Solenoid Kit Includes solenoid and fitting
5. ctical consideration we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given nor does the provision of information or advice create expand or alter any warranty with respect to the sale of our products Lincoln Electric is a responsive manufacturer but the selection and use of specific products sold by Lincoln Electric is solely within the control of and remains the sole responsibility of the customer Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service requirements LINCOLN amp ELECTRIC THE LINCOLN ELECTRIC COMPANY Local Sales and Service through Global Subsidiaries and Distributors Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com Semiautomatic Wire Feeders E8 20 6 00 DISTRIBUTED BY
6. onsists of a control box with 28 ft 8 5m of four conductor cable for terminal strip connection Order K775 www lincolnelectric com RECOMMENDED OPTIONS REMOTE VOLTAGE CONTROL SELECTION PROCESS Terminal Strip OHOOHO Wire Feeder Input Cable Asbly Terminal Strip Ranger 9 Ranger 275 Ranger 300 DLX 14 Pin Commander 300 Commander 500 Wire Feeder Input Cable Asbly 14 pin Equipped with 14 pin MS type asc connections as standard and each end model has easy access to terminal strip CV 655 connection if required DC 400 K864 Adapter DC 655 Subject to change without notice V350 PRO Wire Feeder Input Cable Asbly 14 pin Customer Assistance Policy The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment consumables and cutting equipment Our challenge is to meet the needs of our customers and to exceed their expectations On occasion purchasers may ask Lincoln Electric for advice or information about their use of our products We respond to our customers based on the best information in our possession at that time Lincoln Electric is not in a position to warrant or guarantee such advice and assumes no liability with respect to such information or advice We expressly disclaim any warranty of any kind including any warranty of fitness for any customer s particular purpose with respect to such information or advice As a matter of pra
7. positive wire feeding e Unique variable wire run in speed and acceleration provide controlled arc starting Matches starting per formance to power source starting dynamics wire type welding proce dures and operator technique Dynamic braking system stops wire feed motor quickly to minimize crater sticking problems Solid state control compensates for wire drag and input line variations to maintain accurate wire feed speed Tool less quick release wire drive tension system and gun cable connections for easy wire or gun changes Presettable wire feed speed run in speed and cold inch speed e Trigger mode selection for standard 2 step interlocking 4 step and timed spot welding e Gas solenoid and timer controls for preflow and postflow gas burnback and spot times Cold inch and gas purge control Digital voltmeter with auto polarity and memory feature to display and recall the last arc voltage reading Optional remote voltage control kit provides procedure control at LN 742 Optional wire feeder remote control kit provides remote voltage and wire feed speed control up to 16 ft 6m from wire feeder Ideal for boom mounted feeders and where the operator wants control at the arc 3 year warranty on parts and labor Manufactured under a quality system certified to ISO 9002 requirements A CLOSER LOOK Cold Inch Control Keys used to increase or decrease wire feed speed and inch speed Trigge
8. r Mode Control TECHNICAL SPECIFICATIONS Wire Speed Product Ordering Range Name Information IPM m min LN 742H K617 2 80 1200 2 roll 2 03 30 5 LN 742 K618 1 50 770 4 roll 1 27 19 5 LN 742H K618 2 80 1200 4 roll 2 03 30 5 parameters speed controls Wire Size Range in mm LN 742 K617 1 50 770 2 roll 1 27 19 5 025 1 16 0 6 1 6 025 045 0 6 1 2 025 1 16 0 6 1 6 025 045 0 6 1 2 045 3 32 1 2 2 4 42 VAC 025 045 0 6 1 2 50 60 Hz 1045 3 32 4 Amps 1 2 2 4 28 7 Ibs 13 0 kg 025 045 0 6 1 2 LINCOLN ELECTRIC www lincolnelectric com Gas Purge Control Large digital display for easy viewing of adjustable welding Wire feed speed and inch Preflow Postflow Burnback and Spot Time Controls Dimensions HxWxD 10 9 x 9 8 x 9 6 in 277 x 249 x 244mm 14 1x11 6x 9 7 in 282 x 295 x 246mm DRIVE ROLL AND GUIDE TUBE KITS Steel Wire Sizes 023 025 0 6mm solid 030 0 8mm solid 035 0 9mm solid 035 0 9mm cored 045 052 1 2 1 3mm solid 045 052 1 2 1 8mm cored 052 1 16 1 3 1 6mm solid or cored 068 3 82 1 7 2 4mm cored Aluminum Wire Sizes 035 0 9mm 3 64 1 2mm 1 16 1 6mm Not for LN 742H models REQUIRED OPTIONS INPUT CABLE ASSEMBLIES 14 Pin Twist Mate Cables K591 KP653 025S KP653 030S KP653 035S KP653 035C KP653 052S KP653 052C KP653 1 16 KP653 3 3
9. s for use with water cooled guns and Magnum water coolers Order K590 1 50 60 Ib 27 2 kg Adapter Adapts 50 60 Ib 22 7 27 3 kg Lincoln Readi Reels of electrode to 2 51mm spindle Order 438 Quantity of 15 Order K438 8 SPINDLE ADAPTERS For Readi Reels and Spools 2 O D spindle for mounting Readi Reels and 2 51mm I D spools up to 60 Ib 27 2 kg capacity to a K303 stand Order K162 1 For 14 Ib 6 kg Innershield Coils Permits 14 Ib 6 kg Innershield electrode coils to be mounted on 2 51mm O D spindles Order K435 Universal Wire Reel Stand For use with Lincoln 10 60 Ib 4 5 27 2 kg wire packages that use a 2 61mm spindle Hole in stand fits over lift bail Optional swivel platform is K1557 1 Order K1524 1 K1524 1 4 Caster Kit Light Duty Mounts to the K1524 1 wire reel stand Allows for easy movement of wire feeder Order K1556 1 K1556 1 OPTIONS AVAILABLE Undercarriage Includes mounting frame front casters rear wheels and handle For use with K303 only Order K163 Insulated Lift Bail Allows the entire wire feeder to be hung from a crane or hook Use with K1524 1 Order K1555 1 Q K1555 1 115V 42V Transformer Kit Provides a way to use the LN 742 on power sources that have 115V AC available on terminal Order K1520 1 K1520 1 ADAPTERS K864 Y connection adapter for connecting Lincoln 6 pin plug K857 remote REMOTE
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