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Operator’s Manual

LF-72 WIRE FEEDER

www.lincolnelectric.com/register

Authorized Service and Distributor Locator:

www.lincolnelectric.com/locator

IM10258

| Issue D ate Apr-15

For use with machines having Code Numbers:

12454

Save for future reference

Date Purchased

Code: (ex: 10859)

Serial: (ex: U1060512345)

Содержание LF-72

Страница 1: ...com register Authorized Service and Distributor Locator www lincolnelectric com locator IM10258 Issue Date Apr 15 Lincoln Global Inc All Rights Reserved For use with machines having Code Numbers 12454...

Страница 2: ...A LARGE ROOM OR OUTDOORS natural ventilation may be adequate if you keep your head out of the fumes See below USE NATURAL DRAFTS or fans to keep the fumes away from your face If you develop unusual s...

Страница 3: ...hot engine parts and igniting Do not spill fuel when filling tank If fuel is spilled wipe it up and do not start engine until fumes have been eliminated 1 d Keep all equipment safety guards covers and...

Страница 4: ...m to ANSI Z87 I standards 4 b Use suitable clothing made from durable flame resistant material to protect your skin and that of your helpers from the arc rays 4 c Protect other nearby personnel with s...

Страница 5: ...nt passing through lifting chains crane cables or other alternate circuits This can create fire hazards or overheat lifting chains or cables until they fail 6 h Also see item 1 c 6 I Read and follow N...

Страница 6: ...ts A 15 Aluminum Wire Preparations A 16 Base Model Bench Model Standard Duty and Bench Model Heavy Duty A 17 Typical System Configurations A 18 ________________________________________________________...

Страница 7: ...tions E 1 How To Use Troubleshooting Guide E 1 Troubleshooting Guides E 2 E 3 ________________________________________________________________________ Wiring Diagram and Dimension Prints Section F ___...

Страница 8: ...rd Duty 1 27 20 3 m m 0 6 1 6 mm 0 9 2 0 mm CONTROL BOX WIRE DRIVE AND COMPLETE UNITS SPEC TYPE INPUT POWER PHYSICAL SIZE TEMPERATURE RATING Input Voltage Dimensions and Current Height Width Depth Wei...

Страница 9: ...ducted as well as radiated radio frequency disturbances The EMC or RF classification of this equipment is Class A ELECTRIC SHOCK can kill Only qualified personnel should perform this installation Turn...

Страница 10: ...del may be mounted onto a swivel when a top a welding power source BOOM MOUNT When boom mounting remove the wire reel stand if assembled and secure the wire feeder directly to the desired surface SUSP...

Страница 11: ...400 400 500 Percent Duty Cycle 60 100 20 40 30 30 40 60 100 60 100 60 60 100 60 200 to 250 Ft 61 to 76 m 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 2 0 3 0 3 0 4 0 4 0 4 0 150 to 200 Ft 48 to 61 m 1 1 1 1 1 1 1...

Страница 12: ...th electrode cable work cable exceeds 50 feet 7 6m A coaxial weld cable is constructed by 8 small leads wrapped around one large lead The large inner lead connects to the electrode stud on the power s...

Страница 13: ...t protection of no more than 15 amps PIN FUNCTION LEAD A Unused B Reserved C Welding Output Control 2 trigger from feeder D Welding Output Control 4 trigger from feeder E Remote Voltage Control 77 sup...

Страница 14: ...ower source must not exceed 113VDC peak MILLER POWER SOURCE Pin Function A 24 VAC to feeder B Welding Output Control C 10VDC to feeder for remote control D Remote control common E 0 10VDC from feeder...

Страница 15: ...All other Drive Roll Kits listed are not included but are available for ordering from the following tables Drive Roll Kits Steel Wires Includes 2 Smooth V groove drive rolls and an inner wire guide KP...

Страница 16: ...and cable assemblies 1 Turn off power at the welding power source 2 Unscrew Thumb screw on Wire Drive Unit until tip of screw no longer protrudes into gun bushing hole as seen from the front of machi...

Страница 17: ...D IDLE ROLL SETS See Figure A 4 ELECTRIC SHOCK can kill Turn the input power OFF at the welding power source before installation or changing drive rolls and or guides Do not touch electrically live pa...

Страница 18: ...el Stainless wires between 4 and 6 FIGURE A 6 WARNING Gun Receiver For use With Bushing K1500 1 K466 1 Lincoln gun connectors Innershield and Subarc guns K1500 2 K466 2 K466 10 Lincoln gun connectors...

Страница 19: ...loves when threading wire or changing wire spool Only qualified personnel should install use or service this equipment Loading 10 to 15 lb 4 5 6 8kg Spools A K468 spindle adapter is required for loadi...

Страница 20: ...e are at a minimum and also that the force required to pull the wire from the reel into the wire drive unit is kept at a minimum b The electrode is hot when the gun trigger is pressed and must be insu...

Страница 21: ...ndition Oil or grease in the presence of high pressure oxygen is explosive 3 Stand to one side away from the outlet and open the cylinder valve for an instant This blows away any dust or dirt which ma...

Страница 22: ...install Lincoln conduit See Figure A 10b 1 Turn off power at the welding power source 2 Remove the O ring holding the ball bushing assembly to the back of the wire feeder Remove the ball bushing asse...

Страница 23: ...the aluminum wire remove the ball bearings from the ball housing as follows For Codes 11209 11211 and above Tools required See Figure A 12b 9 64 Hex key wrench 1 Turn off power at the welding power s...

Страница 24: ...luded with the model you purchased Use the table below to identify the basic items which are included in the LF 72 to utilize the various Welding Processes that the machine is capable of controlling P...

Страница 25: ...OTHERS FUMES AND GASES can be dangerous Keep your head out of fumes Use ventilation or exhaust at the arc or both to keep fumes and gases from your breathing zone and gener al area WELDING SPARKS can...

Страница 26: ...l kits are available to expand the LF 72 s welding capability The timer kit allows adjustment of burnback and postflow times The remote voltage control kit includes a 0 to 10 dial for setting the weld...

Страница 27: ...tor Overload 4 Cold Feed Gas Purge Switch press the switch up to feed wire with weld output off Press the switch down for gas flow with weld output off 5 2 step Trigger Interlock switch 6 Wire Feed Sp...

Страница 28: ...he gun cable liner and conduit Clean and make repairs as necessary Start welding again when the problem has been safely resolved For best results keep the gun cable and conduit as straight as possible...

Страница 29: ...mains energized and the wire feeder will continue to feed wire until the gun trigger is again pulled and then released 6 WIRE FEED SPEED KNOB The large calibrated wire feed speed knob makes for easy a...

Страница 30: ...times Includes Wire Reel Stand for up to 44 lbs 20 kg spools Spindle and mounting hard ware Includes Insulated lift bail and hardware Includes Swivel adapter and mounting hardware for attach ing to a...

Страница 31: ...g for gun with K466 3 Lincoln gun connec tors compatible with Miller guns Gun Receiver Bushing compatible with Oxo guns Includes 14 pin to 14 pin wire feeder to power source con trol cable Includes Ad...

Страница 32: ...2 in 51 mm spindles Readi Reel Adapter for mounting 50 60 lb 22 7 27 2 kg reels to 2 in 51 mm spindles For use with Heavy Duty Bench models Coil Adapter for mounting 50 60 lb 22 7 27 2 kg coils to 2...

Страница 33: ...wivel Platform for use with Heavy Duty Bench Models Light Duty Caster Kit for use with Heavy Duty Bench Models Insulated Lift Bail for use with Heavy Duty Bench Models Includes Cover backing plate wir...

Страница 34: ...trig ger electrode wire drive motor and drive mechanism are hot to work and ground and could remain energized several seconds after the gun trigger is released Welding power source must be connected t...

Страница 35: ...D 2 MAINTENANCE D 2 1 Replace P2 from the harness into connector J2 2 Turn off power 3 Secure the wraparound to the LF 72 with 5 screws LF 72 FIGURE D 1...

Страница 36: ...d or are unable to perform the Recommended Course of Action safely contact your local Lincoln Authorized Field Service Facility HOW TO USE TROUBLESHOOTING GUIDE Service and Repair should only be perfo...

Страница 37: ...ing again Inspect the gun for feeding prob lems 5 Verify power is being supplied to the wire feeder 1 Verify the correct drive rolls and inner wire guide are installed in the wire drive 2 Check for sh...

Страница 38: ...k out is being maintained 5 Check the gas flow rate and mix ture 6 Verify the gun bushing is tightly to the wire drive 7 Verify the gun is tightly mounted to the gun bushing 1 Check for sharp bends in...

Страница 39: ...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...

Страница 40: ...E 5 DIMENSION PRINTS E 5 LF 72 BENCH MODEL HEAVY DUTY BENCH MODEL BENCH MODEL STANDARD DUTY...

Страница 41: ...ch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa mojada Aislese del trabajo y...

Страница 42: ...te Be und Entl ftung des Arbeitsplatzes Mantenha seu rosto da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria Turn power off before servicing Desconectar el cable de alimentaci...

Страница 43: ...tion or advice As a matter of practical 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 o...

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