Lincoln Electric IM756-A User's Manual
Contents
1. HANDY MIG WIRING DIAGRAM FOR CODE 10919 PLUG 115V GREEN LEAD 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 HANDY MIG LINCOLN F 2 DIAGRAMS F 2 M20242 mA E E NO GAS GAS x FR X1 0x1 x2 WIRING DIAGRAM FOR CODE 11205 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 HANDY MIG LINCOLN HANDSHIELD ASSEMBLY CLEAR GLASS i DARK GLASS HANDY MIG LINCOLN NOTES HANDY MIG LINCOLN NOTES HANDY MIG LINCOLN WARNING Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG ATEN AO Japanese H R Korean Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes los electrodos bajo carga con la piel o ropa moja d a e Aislese del trabajo y de la tierra Ne laissez ni la peau ni des v te ments mouill s entrer en contact avec des pi ces s2. CONTROLS AND SETTINGS FIGURE B 1 LINCOLN ELECTRIC HANDY MIG Refer to Figure B 1 1 Power ON OFF Switch When the power is ON the welding output and wire feeder are ON hot when the gun trigger is pressed 2 Low High Heat Range Switch A rocker switch control that gives low or high coarse range adjust ment of the power source output voltage 3 1 2 Fine Heat Adjustment Switch Allows fine sen of the voltage within the selected Low or High output range 4 Wire Speed Control Controls the wire feed speed Wire speed is not affected when changes are made in the voltage control WELDING OPERATIONS PROCESS GUIDELINES MIG WELDING Table B 1 shows the recommended material gas combinations for MIG welding with solid electrodes TABLE 1 MIG WELDING MATERIAL GAS COMBINATIONS Material Gas Carbon Steel Low Alloy Steel CO2 or Argon CO2 CO2 or Argon CO2 FLUX CORED INNERSHIELD WELDING The recommended electrode for the flux cored self shielded process is 0 035 0 9 mm diameter Lincoln Innershield NR 211 MP on 2 lbs 9 kg spools SEQUENCE OF OPERATIONS WIRE LOADING AND THREADING Refer to Figure B 2 Turn machine power switch to the OFF 0 position before working inside the wire feed enclosure Make sure that the wire feed drive roll and the contact tip of the gun match the diameter and type of wire used 1 Push the spool onto the spindl
3. donc a Utiliser un bon masque avec un verre filtrant appropri ainsi qu un verre blanc afin de se prot ger les yeux du rayonnement de l arc et des projections quand on soude ou quand on regarde l arc Porter des v tements convenables afin de prot ger la peau de soudeur et des aides contre le rayonnement de l arc Prot ger l autre personnel travaillant proximit au soudage l aide d crans appropri s et non inflamma bles Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pantalons sans revers et chaussures montantes Relier la terre le chassis du poste conformement au code de l lectricit et aux recommendations du fabricant Le dis positif de montage ou la piece souder doit tre branch une bonne mise la terre Autant que possible l installation et l entretien du poste seront effectu s par un lectricien qualifi Avant de faires des travaux l interieur de poste la debrancher l interrupteur la boite de fusibles Garder tous les couvercles et dispositifs de s ret leur place Mar 93 V V for selecting a QUALITY product by Lincoln Electric We want you Thank You to take pride in operating this Lincoln Electric Company product eee as much pride as we have in bringing this product to you Please Examine Carton and Equipm
4. 025 0 6mm diameter wire 5 Gas Nozzle NS P 6 Chipping hammer and brush 7 Starter spool of 035 0 9mm NR211 MP flux cored wire 8 Starter spool of 025 0 6mm solid mig wire 9 Gas regulator and hose with hose clamps 10 Handshield with filter plate and lens For available options and accessories refer to the Accessories Section of this manual HANDY MIG LINCOLN A 3 SELECT SUITABLE LOCATION Place the machine on a secure level surface or rec ommended undercarriage The machine may topple over if this procedure is not followed To minimize over heating locate the welder in a dry location where there is free circulation of clean air Do not place on com bustible surfaces STACKING Machines cannot be stacked CHANGING POLARITY 1 For Negative Polarity Welding DC Refer to Figure A 2 As delivered the machine is wired for Negative polarity with the gun cable connected to the Negative output terminal and the work cable to the Positive output terminal Make sure that both thumbscrews are tight This is the typical con figuration for Flux Cored Welding FCAW FIGURE A 2 WORK CABLE GUN CABLE 1 GUN CABLE WORK CABLE 2 For Positive Polarity Welding DC Refer to Figure A 3 To wire for Positive polarity connect the gun cable to the Positive output terminal and the work cable to the Negative terminal
5. 5 Changing Machine over to Feed Other Wire Sizes Overload Protection B 5 Cl Section C hera rc C 1 Replacement Parts issus C 1 Maintenance ss Section D Safety Pr cautionsuuiausam aa petii dU b ce dii ta Lane a usine D 1 Items Requiring No Maintenance emen D 1 Routine ize mama D 1 Cleaning the Gun Uner sisi D 2 Cleaning Components as Required D 2 Component Replacement Procedures D 2 Changing Contact Pri Tu aad ED Rc ca D 2 Changing the Drive Roll nennen nnne nnns D 2 Gun Assembly Remowval 0 3 Work Cable Installation us D 3 Troubleshooting s vnnnnnnsvvannnnvvvnnnnnsdvvnnnn ve Section Safety Tero geg E 1 How to Use Troubleshooting Guide E 1 Troubleshooting E 2 THRU 4 Wiring Tt Section F Wiring Diagram usine F 1 Parts RT CN P437 Series a INSTALLATION m TECHNICAL SPECIFICATIONS HANDY INPUT SINGLE PHASE ONLY Standard Voltage Frequency Input Current 120V 60Hz 20 Amps Rated Output RATED OUTPUT Duty Cycle Amps Volts at Rated Amperes 2096 Duty Cycle 70 17 OUTPUT RANGE Welding Current Range Maximum Open Circuit Voltage No Load 0 450 in min DC OU
6. 5 a Welding may produce fumes and gases hazardous to health Avoid breathing these fumes and gases When welding keep your head out of the fume Use enough ventilation and or exhaust at the arc to keep fumes and gases away from the breathing zone When welding with electrodes which require special ventilation such as stainless or hard facing see instructions on container or MSDS or on lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes keep exposure as low as possible and below Threshold Limit Values TLV using local exhaust or mechanical ventilation In confined spaces or in some circumstances outdoors a respirator may be required Additional precautions are also required when welding on galvanized steel Do not weld in locations near chlorinated hydrocarbon vapors coming from degreasing cleaning or spraying operations The heat and rays of the arc can react with solvent vapors to form phosgene a highly toxic gas and other irritating products 5 6 Also see item 1 0 Shielding gases used for arc welding can displace air and cause injury or death Always use enough ventilation especially in confined areas to insure breathing air is safe Read and understand the manufacturer s instructions for this equipment and the consumables to be used including the material safety data sheet MSDS and follow your employer s safety practices MSDS forms are available from your welding dist
7. HANDY MIG LINCOLN A 4 INSTALLATION A 4 SHIELDING GAS CONNECTION FIGURE A 5 REGULATOR CYLINDER VALVE HOSE GAS CYLINDER Less GI Refer to Figure A 5 1 Chain the cylinder to a wall or other stationary sup port to prevent the cylinder from falling over Insulate the cylinder from the work circuit work ground 2 With the cylinder securely installed remove the cylinder cap Stand to one side away from the out let and open the cylinder valve very slightly for an instant This blows away any dust or dirt which may have accumulated in the valve outlet WARNING BE SURE TO KEEP YOUR FACE AWAY FROM THE VALVE OUTLET WHEN CRACKING THE VALVE Never stand directly in front of or behind the flow regulator when opening the cylinder valve Always stand to one side 3 Attach one end of the inlet gas hose to the outlet fit ting of the gas cylinder secure with hose clamp Connect the other end to the Gas Inlet Fitting on the machine and secure with hose clamp Make certain the gas inlet hose is not kinked or twisted 4 The machine is supplied with a regulator suitable for a mixed shielding gas CO2 Argon For welding with 100 CO2 a suitable regulator or adapter must be purchased separately from a welding gas suppli er To prevent leakage if welding with 100 CO2 shielding gas the regulator for carbon dioxide must have a plastic adapter washer seated in the fitting that attaches to the cyl
8. Recommended Course of Action safely contact your local Lincoln Authorized Field Service Facility CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed HANDY MIG LINCOLN E 2 TROUBLESHOOTING E 2 Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED SYMPTOMS CAUSE COURSE OF ACTION OUTPUT PROBLEMS Major physical or electrical damage None is evident Contact your local Authorized Field Service Facility No wire feed weld output or gas 1 Make sure correct voltage is flow when gun trigger is pulled applied to the machine 115vac Make certain that power switch is in the ON position The thermostat may be tripped due to overheating Let machine If all recommended possible areas cool Weld within the duty cycle of misadjustment have been or remove any air obstruction to checked and the problem persists the machine Contact your local Lincoln Authorized Field Service No weld output when gun trigger is Gun tip may be worn Replace Facility pulled Gun trigger may be faulty The gun or work cable may be faulty CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized F
9. This is the typical configuration for the Metal Inert Gas MIG process Make sure that both thumbscrews are tight FIGURE A 3 GUN CABLE WORK CABLE GUN CABLE WORK CABLE INSTALLATION INPUT CONNECTIONS FIGURE A 4 GAS INLET FITTING POWER INPUT CABLE ODC mmm m 0090000 LOD 505065891 00000 Oo El jm ICI CI B 005505005060 000000000000 000000000000 0000000000 0000000000 DCD DCD CC m Je Refer to Figure A 4 The machine has two input connections the power input cable and the gas inlet fitting The power input cable and gas inlet fitting are located on the rear GAS CONNECTION When using the MIG process a cylinder of shielding gas appropriate for the metal being welded must be obtained WARNING CYLINDER may explode if damaged Uu Keep cylinder upright and chained to support Keep cylinder away from areas where it may be damaged Never lift welder with cylinder attached Never allow welding electrode to touch cylinder Keep cylinder away from welding or other live electrical circuits BUILDUP OF SHIELDING GAS may harm health or kill Shut off shielding gas supply when not in use SEE AMERICAN NATIONAL STANDARD Z 49 1 SAFETY IN WELDING AND CUTTING PUB LISHED BY THE AMERICAN WELDING SOCIETY
10. nozzle appro priate for the weld process 4 Check that the polarity is correct for the welding wire being used and that the gas supply if required is turned on 5 Refer to Figure B 5 Connect the work clamp to the metal to be welded The work clamp must make good electrical contact to the work piece The work piece must also be grounded as stated in Arc Welding Safety Precautions in the beginning of this manual 6 Based on the welding process type and material thickness of the work piece use the chart below or on the procedure decal located on the wire drive door to set the correct wire feed speed and heat range setting 7 Based on the weld joint type and orientation of the weld joint position the gun into the joint at the cor rect angle Refer to the LEARNING TO WELD LTW1 manual 8 To begin welding raise your hand shield to protect your eyes and pull the trigger 9 While welding travel at a constant speed and main tain an electrode stickout of 3 8 Follow the correct direction of travel for the process and joint type and orientation as detailed in the LEARNING TO WELD LTW1 manual 10 To stop welding release the gun trigger 11 When no more welding is to be done close the valve on the gas cylinder if used momentarily operate the gun trigger to release gas pressure and turn off the machine TABLE B 1 Mig with 75 25 Gas Process FCAW Gasless Flux Core GE 9 7
11. stenciling on the side of the drive roll Reverse the drive roll as follows Refer to Figure D 2 1 Make certain the machine power switch is OFF o 2 Open the spring loaded pressure arm Lift up the idle roll arm HANDY MIG LINCOLN D 3 MAINTENANCE 3 Remove the Thumbscrew holding the drive roll 4 Replace the drive roll so that the desired size sten ciled on the side of the drive roll is toward the inside and visible 5 Replace the Thumbscrew and tighten GUN ASSEMBLY REMOVAL 1 Unplug machine and disconnect gas supply 2 Remove wire drive door and left case side 3 Remove trigger leads the trigger leads are routed through the center panel and connected to the P C board 3 1 3 2 Use care in removal as not to dam age the P C board or adjoining leads 4 Remove gas line connections 5 Remove gun connections from output studs 6 Disconnect the gun liner from the wire drive Remove nut and spacer and slide liner back and out 7 Installation is the reverse of removal 7 thru 1 WORK CABLE INSTALLATION The work cable and clamp comes already installed If you should ever need to replace or reinstall the cable do the following Refer to Figure D 3 FIGURE D 3 WORK CABLE AND GROMMET 1 Remove the case sides 2 Pass the end of the work cable with the terminal lug through the Work Cable Acces
12. 5 Ar 25 C02 Mig CO2 Gas Optimum for 16 gauge and heavier material Can be used for Excellent Finished Weld appearance Excellent Finished Weld appearance Selecting the lighter gauge material Excellent performance on light gauge Excellent performance on light gauge Right Process Somewhat rusty or dirty material Work pieces must be clean Work pieces must be clean Outdoor VVelding and or windy conditions Indoor and or no wind Indoor and or no wind Good Out of position vertical welding 75 25 for a smooth arc w little spatter CO2 for good penetration and speed Welding Wire 035 Lincoln NR 211 MP innershield Cored Wire 025 Lincoln L 56 Steel Wire 025 Lincoln L 56 Steel Wire Nozzle 2 Black Plastic Nozzle shipped installed on gun Copper Gas T Nozzle shipped Copper Gas uu Nozzle shipped Contact Tip 3 035 0 9mm 025 0 6mm 025 0 6mm Drive Roll 4 0 9mm Knurled groove 0 6mm V Groove 0 6mm V Groove DEE mmc em mdi Dem ou a Welding Polarity Electrode gun Electrode gun Electrode gun Work clamp Work clamp Work clamp i The suggested Wire Feed Speed settings in the table below are based on midrange wire tension setting The tension may be changed if required to improved wire feeding however the WFS setting may have to be adjusted from the values in the table below eiker 7 Steel Wire Feed Steel Wire Feed Wire Feed Speed Heat Range Thickness Spee Heat
13. ES TO BE USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES SE LEER ENTENDER LAS INSTRUCCIONES DEL FABRICANTE EL USO DE ESTE EQUIPO LOS CONSUMIBLES QUE VA A UTILIZAR SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER STELLERS DIE UNFALLVERH TUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone Los humos fuera de la zona de res piraci n Mantenga la cabeza fuera de los humos Utilice ventilaci n o aspiraci n para gases Gardez la t te l cart des fum es Utilisez un ventilateur ou un aspira teur pour ter les fum es des zones de travail Vermeiden Sie das Einatmen von Schweibrauch Sorgen Sie f r gute Be und Entliiftung des Arbeitsplatzes e Mantenha seu rosto da fumaca Use ventila o e exhaust o para remover fumo da zona respirat ria eti ADP5o5UtRic5cuc Feu 9 AT PHB L H ELTTEV KEE ER EUR Ef GE RS GARE e zzv SH7IAE else e SUAS MAS sis PARAH 587E ASIA Turn power off before servicing Desconectar el cable de ali mentaci n de p
14. HANDY MIG LINCOLN 1 ACCESSORIES C 1 ACCESSORIES INNERSHIELD WELDING WIRE NR 211 MP Innershield welding wire 035 0 9 mm diameter flux cored electrode MIG WELDING WIRE Lincoln L56 025 0 6mm diameter solid steel elec trode CONSUMABLE PARTS The following items are commonly consumed over the life of the welder and may need to be ordered See the complete parts list at the end of this manual for machine replacement parts ITEM DESCRIPTION PART NO Chipping Hammer Brush S24355 12 Face Shield G3364 Filter Lens Clear Cover Lens G3364 C amp D Drive Roll 023 035 0 6 0 9 mm KP2315 1 Contact Tip 023 025 0 6 mm KH710 Contact Tip 035 0 9 mm KH712 Flux Nozzle Gasless KH726 Gas Nozzle KH725 Gas Hose T10642 120 Gas Diffuser 25351 1 Liner 25351 50 HANDY MIG LINCOLN D 1 MAINTENANCE D 1 MAINTENANCE SAFETY PRECAUTIONS A WARNING ELECTRIC SHOCK can kill e Disconnect input power by removing plug from receptacle before working inside machine Use only grounded receptacle Do not touch electrically hot parts inside machine Have qualified personnel do the mainte nance and trouble shooting work ITEMS REQUIRING NO MAINTENANCE e Drive Motor and Gearbox Lifetime lubrication e Wire Reel Spindle Do NOT lubricate shaft ROUTINE AND PERIODIC MAINTENANCE BEFORE EACH USE Check over machine and ac
15. High or the Fine Heat Adjustment to MAX Travel speed is slow and or inconsistent Increase and main tain a constant travel speed If all recommended possible areas of misadjustment have been checked and the problem persists Contact your local Lincoln Authorized Field Service Output heat range is too high Facility Set the Low High Heat Range switch to Low or the Fine Heat Adjustment to MIN Bead does not penetrate base 1 Travel speed is inconsistent metal Decrease and maintain a con stant travel speed Output heat range is too low Set the Low High Heat Range switch to High or the Fine Heat Adjustment to MAX Wire sputters and sticks to work 1 The wire is damp Change to dry piece wire Be sure wire is stored in a dry location Wire feed speed WFS is too fast Reduce WFS Edge of weld has ragged depres 1 Travel speed is too fast Reduce sions travel speed WFS is too fast Reduce WFS Output heat range is too high Set the Low High Heat Range switch to Low or the Fine Heat Adjustment to MIN CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed HANDY MIG LINCOLN DIAGRAMS Tl 1 1 Tl L CS M19903
16. MMR MERE RT 09 EL ECKE Hoi AIXAM SALAD HAY zeit AS PSP HHCH Aal cual dl illai Jed AAL land Gail ik ag ls Ca L LINCOLN World s Leader in Welding and Cutting Products e Sales and Service through Subsidiaries and Distributors Worldwide e Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com
17. RETURN TO MAIN MENU Ee IM756 A HANDY MIG 2000 For use with machine Code Number 10919 11205 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind However your overall safety can be increased by proper installation and thought ful 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 OPERATOR S MANUAL LI NCOLN Copyright 2005 Lincoln Global Inc World s Leader Welding and Cutting Products e Sales and Service through Subsidiaries and Distributors Worldwide e Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com SAFETY WARNING AN CALIFORNIA PROPOSITION 65 WARNINGS A 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 OR DEATH KEEP CHILDREN AWAY PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Re
18. Range Thickness Spee Heat Range 24 Ga Steel 24 Ga Steel 24 Ga Steel 8 ted 22 Ga Steel 22 Ga Steel 22 Ga Steel oues 20 Ga Steel 3 20 Ga Steel 20 Ga Steel Settings For Welding 18 Ga Steel 3 18 Ga Steel 18 Ga Steel 16 Ga Steel 3 16 Ga Steel 16 Ga Steel 14 Ga Steel 3 14 Ga Steel 14 Ga Steel 12 Ga Steel 4 12 Ga Steel 12 Ga Steel 1 8 Steel 4 1 8 Steel 1 8 Steel II rue HANDY MIG LINCOLN B 5 OPERATION CLEANING TIP AND GAS NOZZLE Clean the contact tip and gas nozzle to avoid arc bridging between them Bridging can result in a short ed nozzle poor welds and an overheated gun Hint Anti stick spray or gel available from a welding supply distributor may reduce buildup and aid in spatter removal CHANGING MACHINE OVER TO FEED OTHER WIRE SIZES The machine is shipped from the factory ready to feed 0 035 0 9 mm diameter wire To operate the machine with other sizes of wire it is necessary to change the contact tip and change the drive roll to other sizes Refer to Changing the Contact Tip and Changing the Drive Roll in the MAINTENANCE sec tion for specific information on these procedures OVERLOAD PROTECTION THERMAL PROTECTION The machine has a maximum output duty cycle of 20 If the duty cycle is exceeded a thermal protector will shut off the output until the machine cools to a normal operating temperature This is an automatic function of the machine and does not require user intervention
19. TPUT 35 88 Amps 29V 0 17 7m min While welding 0 300 in min 0 11 8 m min RECOMMENDED INPUT CABLE AND FUSE SIZES Fuse or AT RATED 120V 60Hz 15 Amp 125V Three Conductor OUTPUT Three Prong Plug 12 AWG NEMA Type 5 15P 3 3 mm or Larger Up to 50 Ft 15 2 mm PHYSICAL DIMENSIONS connected to a circuit protected by fuses use Time Delay Fuse marked D HANDY MIG LINCOLN A 2 INSTALLATION Read entire installation section before starting installation SAFETY PRECAUTIONS WARNING nn ELECTRIC SHOCK can kill Only qualified personnel should perform this installation FIGURE A 1 Only personnel that have read and under stood the Machine Operating Manual should install and operate this equipment Machine must be plugged into a receptacle which is grounded per any national local or other applicable electrical codes The Machine power switch is to be in the OFF O position when installing work cable and gun and when connecting power cord to input power IDENTIFY AND LOCATE COMPONENTS If you have not already done so unpack the machine from its carton and remove all packing material around the machine The following items are shipped loose see Figure A 1 1 HANDY MIG with work clamp Gun and cable assembly attached 2 This operating manual 3 Two contact tips for 035 0 9mm diameter wire 4 Three contact tips for
20. ad and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Safety in Welding amp Cutting ANSI Standard 249 1 from the American Welding Society P O Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 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 AN 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 h To avoid scalding do remove the radiator pressure cap when the engine is hot 1 b Operate engines in open well ventilated areas or vent the engine exhaust fumes outdoors ELECTRIC AND MAGNETIC FIELDS may be dangerous 1 c Do not add the fuel near an open flame welding arc or when the engine is running Stop the engine and allow it to cool before refueling to prevent spilled fuel from vaporiz ing on contact with 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 2 a Electric current flowing through any conductor causes localized Electric and Magnetic Field
21. cessories for any obvious condi tion that may prevent safe performance or operation Repair or replace items as necessary to correct any abnormal con dition AFTER 5 MINUTES OF WELDING or when spatter accumulates in the gas nozzle e Clean the contact tip and gas nozzle to avoid bridging between the nozzle and contact tip Bridging results in a shorted nozzle poor welds and overheated gun Hint Anti stick spray or gel available from a welding supply distributor may reduce buildup and aid in spatter removal HANDY MIG LINCOLN D 2 MAINTENANCE D 2 CLEANING THE GUN LINER Unplug the machine or turn the power switch to the OFF 0 position Remove the gas nozzle and contact tip from the gun Clean the inside diameter with a short piece of wire Clean the cable liner when rough and erratic wire feeding occur Lay the cable out straight Blow out gently with dry compressed air max 145 psi through the wire guide tube and check the condition of the tube Bend the cable back and forth then blow the tube out again Repeat until clean CAUTION Excessive pressure at start may cause the dirt to form a plug CLEANING COMPONENTS AS REQUIRED Unplug the machine or turn the power switch to the OFF 0 position Blow dirt out of the welder with low pressure air to eliminate excessive dirt and dust buildup that could cause the welder to run hot Vacuum accumulated dirt from the gear box and wir
22. d a cylinder of carbon dioxide CO3 or argon carbon dioxide mixed shielding gas The preset regulator supplied with the machine is designed for use with argon blend gas An adapter and plastic washer are needed for using 100 CO gas This adapter is available from your local gas sup plier 1 Open the cylinder valve slowly a fraction of a turn When the cylinder pressure gauge pointer stops moving open the valve fully 2 Keep the cylinder valve closed except when weld ing When finished welding Close the cylinder valve to stop gas flow Depress the gun trigger briefly to release the pressure in the gas hose Turn off the machine HANDY MIG LINCOLN B 4 OPERATION B 4 MAKING WELD FIGURE B 5 WELDING SETUP GUN CABLE WORK CLAMP READ the LEARNING TO WELD LTW1 manual prior to making your first weld Also refer to Table B 1 and the Procedure Decal located on the inside of the wire drive compartment door of your machine for process selection consumables and quick tips for welding 1 Select the right welding process based on the type and condition of the pieces to be welded the envi ronment in which welding is to be done and the desired finished appearance of the weld 2 Select and install the welding wire to match the process Use Genuine Lincoln Electric Brand wire Wire quality is essential for successful welding 8 Install the drive roll contact tip and
23. e AR N Connect the work cable to the workpiece as close as possible to the area being welded To prevent accidentally starting gasoline engines while turning the engine or welding generator during maintenance work disconnect the spark plug wires distributor cap or magneto wire as appropriate Do not work next to welding power source Mar 95 ILINCOLN E SAFETY ELECTRIC SHOCK can kill 3 a The electrode and work or ground circuits are electrically hot when the welder is on Do not touch these hot parts with your bare skin or wet clothing Wear dry hole free gloves to insulate hands 3 b Insulate yourself from work and ground using dry insulation Make certain the insulation is large enough to cover your full area of physical contact with work and ground In addition to the normal safety precautions if welding must be performed under electrically hazardous conditions in damp locations or while wearing wet clothing on metal structures such as floors gratings or scaffolds when in cramped positions such as sitting kneeling or lying if there is a high risk of unavoidable or accidental contact with the workpiece or ground use the following equipment Semiautomatic DC Constant Voltage Wire Welder DC Manual Stick Welder AC Welder with Reduced Voltage Control In semiautomatic or automatic wire welding the electrode electrode reel welding head nozzle or s
24. e 25 ft 7 5 m if 414 AWG 2 1 mm is used and 50 ft 15 m if 412 AWG 3 3 mm is used HANDY MIG LINCOLN B 1 OPERATION B 1 Read entire operation section before operating the machine WARNING ELECTRIC SHOCK can kill Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground Always wear dry insulating gloves FUMES AND GASES can be dangerous Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone WELDING SPARKS can cause fire or explosion Keep flammable material away Do not weld on closed contain ers ARC RAYS can burn eyes and skin Wear eye ear and body protec tion EZ Observe all safety information throughout this manual GENERAL DESCRIPTION The machine is a semiautomatic constant voltage DC arc welder The machine uses a single phase con stant voltage transformer solid state rectifier and a DC permanent magnet motor for feeding and welding solid steel electrode and flux cored electrode The machine is ideally suited for individuals having access to 115 volt AC input power and wanting the ease of use quality and dependability of both metal inert gas MIG welding and the Innershield electrode process self shielded flux cored welding The machine will handle reels of wire up to 2 Ibs 1 kg RECOMMENDED PROCESSES The machine can be used for weldi
25. e feed section Inspect the incoming guide tube and clean the inside diameter if necessary Replace when exces sively worn Replace Contact Tip when the hole is enlarged or elongated Refer to Changing The Contact Tip in this section Check the condition of the wire feed rollers Remove any metallic dust deposited in the feed area rollers and entrance and outlet wire guide Check the gas hose and fittings for tightness COMPONENT REPLACEMENT PROCEDURES FIGURE D 1 CONTACT TIP REPLACEMENT CONTACT NOZZLE CHANGING THE CONTACT TIP 1 Refer to Figure D 1 Remove the gas nozzle from the gun by unscrewing it counter clockwise 2 Remove the existing contact tip from the gun by unscrewing it counter clockwise 3 Insert and tighten the desired contact tip Do not overtighten 4 Replace the gas nozzle CHANGING THE DRIVE ROLL FIGURE D 2 DRIVE ROLL REPLACEMENT SPRING LOADED HANDLE SCREW A Fa UPPER hi WIRE 4 n IDLER ROLL ARM TI INCOMING GUIDE TUBE J LOWER DRIVE ROLL AND THUMB SCREW WIRE FEED The machine Wire Feed Drive Roll has two grooves one for 0 023 0 025 0 6 mm solid steel electrode and the other for 0 030 0 8 mm solid and 0 035 0 9 mm flux cored steel electrode See Figure D 2 Use the appropriate sized groove for the wire used as indicated by the
26. e so that the wire feeds off the bottom of the spool toward the drive roll 2 Push the spool spacer onto the spindle against the spool 3 Slide the spring onto the spool then press on the spool lock turning it clockwise to lock the spool assembly onto the spindle FIGURE B 2 SPOOL SPACER SPINDLE LOCK SPOOL a SPRING HANDY MIG LINCOLN B 3 OPERATION B 3 FIGURE B 3 WIRE THREADING DETAILS Spring Loaded Thumb Ingoing Guide Tube EN _ Upper Idler Roll Arm Wire ZF Wire Feed Lower Drive Roll Refer to Figure B 3 4 Release the spring loaded thumbscrew and lift up the idle roll arm away from the wire feed drive roll Ensure that the visible stenciled size on the drive roll side facing you matches the wire size being used 5 Carefully detach the end of the wire from the spool maintain tension on the wire To prevent the spool from unwinding and do not release the wire until after step 8 6 Cut the bent portion of wire off and straighten the first 4 100 mm 7 Thread the wire through the ingoing guide tube over the drive roll and into the gun liner 8 Close the idle roll arm and turn down the thumb screw until the idle roller presses down firmly on the wire Now you may release the welding wire Make sure the wire is positioned in t
27. emiautomatic welding gun are also electrically hot Always be sure the work cable makes a good electrical connection with the metal being welded The connection should be as close as possible to the area being welded Ground the work or metal to be welded to a good electrical earth ground Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation Never dip the electrode in water for cooling Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders When working above floor level use a safety belt to protect yourself from a fall should you get a shock Also see Items 6 c and 8 L ARC RAYS 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 5 b material to protect your skin and that of your helpers from the arc rays Protect other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal FUMES AND GASES can be dangerous
28. ent For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment is received Please record your equipment identification information below for future reference This information can be found on your machine nameplate Product Model Number Code Number or Date Code Serial Number Date Purchased Where Purchased Whenever you request replacement parts or information on this equipment always supply the information you have recorded above The code number is especially important when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet e For faxing Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it e For On Line Registration Go to our WEB SITE at www lincolnelectric com Choose Quick Links and then Product Registration Please complete the form and submit your registration Read this Operators Manual completely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your p
29. explode Sparks and spatter are thrown from the welding arc Wear oil free protective garments such as leather gloves heavy shirt cuffless trousers high shoes and a cap over your hair Wear ear plugs when welding out of position or in confined places Always wear safety glasses with side shields when in a welding area Connect the work cable to the work as close to the welding area as practical Work cables connected to the building framework or other locations away from the welding area increase the possibility of the welding current passing through lifting chains crane cables or other alternate cir cuits This can create fire hazards or overheat lifting chains or cables until they fail 6 h Also see item 1 c LINCOLN CYLINDER may explode if damaged 7 a Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used All hoses fittings etc should be suitable for the application and maintained in good condition Always keep cylinders in an upright position securely chained to an undercarriage or fixed support Oylinders should be located Away from areas where they may be struck or subjected to physical damage A safe distance from arc welding or cutting operations and any other source of heat sparks or flame Never allow the electrode electrode holder or any other electrically
30. he groove of the lower drive roll 9 The spring loaded thumbscrew on the idle roll arm adjusts the pressure on the wire Adjust pressure by turning the thumbscrew to prevent spool over run but still allow smooth and easy wire feeding Start with the pressure set to an intermediate value Readjust if necessary Slightly less pressure may be required when using 0 023 0 025 0 6 mm wire If the drive roll slips while feeding wire the pressure should be increased until the wire feeds properly A WARNING e When feeding the welding wire through the gun the drive roll the gun connector block and the gun contact tip are always energized rela tive to work and ground FIGURE WIRE STICKOUT CONTACT TIP 3 8 WIRE Contact Tip To Work ELECTRODE _ CTWD 10 Remove the gas nozzle and contact tip from the gun 11 Turn the machine ON I 12 Straighten the gun cable assembly 13 Depress the gun trigger switch and feed welding wire through the gun and cable Point the gun away from yourself and others while feeding wire Release the gun trigger after wire appears at the end of the gun 14 Turn off the machine 15 Replace the contact tip Refer to Figure B 4 Cut the wire off so that 3 8 to 5 8 10 15 mm pro trudes from the end of the tip 16 Turn on the machine The machine is now ready to weld SHIELDING GAS When using the MIG process you will nee
31. hot parts to touch a cylinder Keep your head and face away from the cylinder valve outlet when opening the cylinder valve Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use Read and follow the instructions on compressed gas cylinders associated equipment and CGA publication P l Precautions for Safe Handling of Compressed Gases in Cylinders available from the Compressed Gas Association 1235 Jefferson Davis Highway Arlington VA 22202 FOR ELECTRICALLY powered equipment 8 a Turn off input power using the disconnect switch at the fuse box before working on the equipment Install equipment in accordance with the U S National Electrical Code all local codes and the manufacturer s recommendations Ground the equipment in accordance with the U S National Electrical Code and the manufacturer s recommendations Mar 95 PR CAUTIONS DE SURET Pour votre propre protection lire et observer toutes les instruc tions et les pr cautions de s ret specifiques qui parraissent dans ce manuel aussi bien que les pr cautions de s ret g n rales suivantes S ret Pour Soudage A L Arc 1 Protegez vous contre secousse lectrique a Les circuits l lectrode et la pi ce sont sous tension quand la machine souder est en marche Eviter toujours tout contact entre les parties sous tensio
32. ield Service Facility for technical troubleshooting assistance before you proceed HANDY MIG LINCOLN 8 E 3 TROUBLESHOOTING E 3 Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED SYMPTOMS CAUSE COURSE OF ACTION FEEDING PROBLEMS No wire feed when gun trigger is The thermostat may be tripped pulled due to overheating Let machine cool Weld within the duty cycle or remove any air obstruction to If all recommended possible areas the machine of misadjustment have been checked and the problem persists Gun trigger may be faulty Contact your local Lincoln Authorized Field Service Drive Roll tension is set too high Facility Wire may be kinked or jammed Inspect Drive Roll and Guide Tubes CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed HANDY MIG LINCOLN E 4 TROUBLESHOOTING E 4 Observe all Safety Guidelines detailed throughout this manual PROBLEMS SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Bead is too thin intermittently Bead is too thick intermittently WELDING PROBLEMS Travel speed is inconsistent Decrease and maintain a con stant travel speed Output heat range is too low Set the Low High Heat Range switch to
33. inder This adapter is avail able from your local gas supplier CODE REQUIREMENTS FOR ELECTRI CAL INPUT CONNECTIONS A WARNING This welding machine must be connected to a power source in accordance with applicable elec trical codes The United States National Electrical Code Article 630 B 1990 Edition provides standards for amperage handling capability of supply conductors based on duty cycle of the welding source If there is any question about the installation meeting applicable electrical code requirements consult a qualified electrician CAUTION Do not connect the machine to an input power supply with a rated voltage that is greater than 125 volts Do not remove the power cord ground prong REQUIREMENTS FOR MAXIMUM OUTPUT A line cord with a 15 amp 125 volt three prong plug NEMA Type 5 15P is factory installed on the machine Connect this plug to a mating grounded receptacle which is connected to a 20 amp branch cir cuit with a nominal voltage rating of 115 volts to 125 volts 60 hertz AC only If connected to a circuit pro tected by fuses use a time delay fuse marked D With this installation the machine can be used at an output of 70 amps 17 volts 20 duty cycle 2 min utes of every 10 minutes used for welding EXTENSION CORD USAGE If an extension cord is required use one that is rated for the application and is 3 conductor 14 AWG 2 1 mm or larger The recommended maximum lengths ar
34. l de la masse Un court circuit accidental peut provoquer un chauffement et un risque d incendie S assurer que la masse est connect e le plus pr s possible de la zone de travail qu il est pratique de le faire Si on place la masse sur la charpente de la construction ou d autres endroits loign s de la zone de travail on augmente le risque de voir passer le courant de soudage par les chaines de lev age c bles de grue ou autres circuits Cela peut provoquer des risques d incendie ou d echauffement des chaines et des c bles jusqu ce qu ils se rompent Assurer une ventilation suffisante dans la zone de soudage Ceci est particuli rement important pour le soudage de t les galvanis es plomb es ou cadmi es ou tout autre m tal qui produit des fume s toxiques Ne pas souder en pr sence de vapeurs de chlore provenant d op rations de d graissage nettoyage ou pistolage La chaleur ou les rayons de l arc peuvent r agir avec les vapeurs du solvant pour produire du phosg ne gas forte ment toxique ou autres produits irritants Pour obtenir de plus amples renseignements sur la s ret voir le code Code for safety in welding and cutting CSA Standard W 117 2 1974 jamais enrouler le c ble lectrode autour de n importe quelle PR CAUTIONS DE S RET POUR partie du corps LES MACHINES SOUDER Un coup d arc peut tre plus s v re qu un coup de soliel TRANSFORMATEUR ET REDRESSEUR
35. n et la peau nue ou les v tements mouill s Porter des gants secs et sans trous pour isoler les mains Faire tr s attention de bien s isoler de la masse quand on soude dans des endroits humides ou sur un plancher metallique ou des grilles metalliques principalement dans les positions assis ou couch pour lesquelles une grande partie du corps peut tre en contact avec la masse Maintenir le porte lectrode la pince de masse le c ble de soudage et la machine souder en bon et s r tat defonctionnement d Ne jamais plonger le porte lectrode dans l eau pour le refroidir Ne jamais toucher simultan ment les parties sous tension des porte lectrodes connect s deux machines soud er parce que la tension entre les deux pinces peut tre le total de la tension vide des deux machines Si on utilise la machine souder comme une source de courant pour soudage semi automatique ces precautions pour le porte lectrode s applicuent aussi au pistolet de soudage 2 Dans le cas de travail au dessus du niveau du sol se pro t ger contre les chutes dans le cas ou on recoit un choc Ne Toujours porter des lunettes de s curit dans la zone de soudage Utiliser des lunettes avec crans lateraux dans les zones o l on pique le laitier Eloigner les mat riaux inflammables ou les recouvrir afin de pr venir tout risque d incendie d aux tincelles Quand on ne soude pas poser la pince une endroit iso
36. ng carbon and low alloy steel with CO or argon CO mixture shielding gas The welder can also be used without gas for the self shielded Innershield electrode process The machine is configured for the Flux Cored Arc Welding process as delivered from the factory OPERATIONAL FEATURES AND CONTROLS The machine has the following controls as standard Power ON OFF Switch Heat Range Switch 1 2 Fine Heat Adjustment Switch Wire Speed Control DESIGN FEATURES AND ADVANTAGES Operates on 115 volt input no special wiring required Solid state output control Overload protection incorporates a thermostat to protect the welder from overheating caused by mal functions or overly heavy use Permanent magnet wire drive motor Easy to set controls for arc voltage and wire speed Thumbscrew release idle roll pressure arm is easily adjusted Reversible dual groove drive roll will feed 023 035 0 6 0 9 mm diameter wire Accommodates spools of wire up to 2 Ibs 1 kg in weight No external shielding gas is required when used with Lincoln Innershield 035 0 9 mm NRO 211 MP electrode Easy to change polarity HANDY MIG LINCOLN P B 2 OPERATION B 2 WELDING CAPABILITY The machine is rated at 70 amps 17 volts at 20 duty cycle on a ten minute basis It is capable of high er output currents at lower duty cycles LIMITATIONS The machine is recommended for welding on mild steel up to 1 8 thick
37. oder de la m quina antes de iniciar cualquier servicio e D branchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom v llig ff nen Maschine anhalten N o opere com as tampas removidas Desligue a corrente antes de fazer servico e N o toque as partes el tricas nuas e X7TTL2A UACRU D PSB ETBRALYFE DF I gt TKR e SAUTER Do not operate with panel open or guards off No operar con panel abierto o guardas quitadas N op rez pas avec les panneaux ouverts ou avec les dispositifs de protection enlev s Anlage nie ohne Schutzgeh use oder Innenschutzverkleidung in Betrieb setzen Mantenha se afastado das partes moventes opere com os paineis abertos ou guardas removidas O NKWROPAN ERWALEEE THE L EUITTF amp L 9 SER HGTBI BORER BET Ro e wel Hae z WARNING Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG ATENG O it ie BIR Chinese OB oe lue chal ad TAU Gall bacs ga d Aach arin Jg iti GN Mall oe Quad JE Aie by pha J Alt juil ail e AREY cuts UI ai tha Jada e Aale Cuil Al dl LEIA E COMPREENDA AS INSTRUCOES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO E SIGA AS PRATICAS DE SEGURANGA DO EMPREGADOR ED ND I D DIEERE EIER EPTE MLTTEV LTRHOR EMELT ST FEU 8B ET AERE SUCR EE RA BA LR FRE EX fb FB
38. ous tension Isolez vous du travail et de la terre Ber hren Sie keine stromfiihrenden Teile oder Elektroden mit Ihrem K rper oder feuchter Kleidung Isolieren Sie sich von den Elektroden und dem Erdboden e N o toque partes el tricas e elec trodos com a pele ou roupa molha da Isole se da pega e terra o ZEROES ELE het EE LATE MLMPT APSSAPREBS ATUBHELTFEL e E GUB MU DEBAERE seii OA CRM HER OTHER Xe uc ee AU HER MAA e anc AXE H R HAAG Juill ud gone ll 39 Qual d pagi NEO t welll AM aal JIS dua ule Yile woe Keep flammable materials away Mantenga el material combustible fuera del rea de trabajo Gardez l cart de tout mat riel inflammable Entfernen Sie brennbarres Material Mantenha inflam veis bem guarda dos OA VE VSNDD MT DEE NER UC EVA o 8 9 z S BET IF o els S82 AIX nie Ad d s Jo UN al g Wear eye ear and body protection Prot jase los ojos los o dos y el cuerpo Prot gez vos yeux vos oreilles et votre corps e Tragen Sie Augen Ohren und K r perschutz Use protec o para a vista ouvido e corpo A HRUSHIORBRELTE EU OMAR HRSRSORENE ez 119 Fi Soave HESA dii die Jde Al g ed Lan c ee d S d READ AND UNDERSTAND THE MANUFAGTURER S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABL
39. ributor or from the manufacturer Mar 95 SAFETY 7 WELDING SPARKS can lt gt cause fire or explosion 6 a Remove fire hazards from the welding area If this is not possible cover them to prevent the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Welding and Cutting ANSI Standard Z49 1 and the operating information for the equipment being used When not welding make certain no part of the electrode circuit is touching the work or ground Accidental contact can cause overheating and create a fire hazard Do not heat cut or weld tanks drums or containers until the proper steps have been taken to insure that such procedures will not cause flammable or toxic vapors from substances inside They can cause an explosion even though they have been cleaned For information purchase Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping That Have Held Hazardous Substances AWS F4 1 from the American Welding Society see address above Vent hollow castings or containers before heating cutting or welding They may
40. rotection The level of seriousness to be applied to each is explained below WARNING This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life CAUTION This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment MASTER TABLE OF CONTENTS FOR ALL SECTIONS Page Installation PRE Section A Technical Specifications us A 1 Identify and Locate Components ss A 2 Select Suitable Location A 3 SIACKING A ee Changing Polarity iii Gun Installation ccc une E A 3 Input Conpechons iii A 3 Gas Connections een Kana Phd een ied eee units A 3 Shielding Gas Connections us A 4 Code Requirements vu van oh e ties direst dites een nn d menti een adie idee A 4 je Jr m Section B Safety Precautions iii B 1 General Description ciii inerte nine en deed o B 1 Recommended Processes essere enne B 1 Operation Features and Controls B 1 Design Features kk B 1 Welding Ee ee EE B 2 Biel ONS aaret B 2 Controls and Settings ioi dn orbe OE eed eed DG B 2 Welding Operations iii B 2 Shielding Ga TEE B 3 Making a Weld and Process Table B 4 Cleaning Tip and Gas Nozzle 1 I hd ee nd aie B
41. s EMF Welding current creates EMF fields around welding cables and welding machines EMF fields may interfere with some pacemakers and welders having a pacemaker should consult their physician before welding 1 d Keep all equipment safety guards coversand devices in posi tion and in good repair Keep hands hair clothing and tools away from V belts gears fans and all other moving parts when starting operating or repairing equipment Exposure to EMF fields in welding may have other health effects which are now not known All welders should use the following procedures in order to In some cases it may be necessary to remove safety nes alle minimize exposure to EMF fields from the welding circuit guards to perform required maintenance Remove guards only when necessary and replace them when the maintenance requiring their removal is complete Always use the greatest care when working near moving parts 2 d 1 Route the electrode and work cables together Secure them with tape when possible 2 d 2 Never coil the electrode lead around your body 1 f Do not put your hands near the engine fan Do not attempt to override the governor or idler by pushing on the throttle control rods while the engine is running ww 2 d 3 Do not place your body between the electrode and work cables If the electrode cable is on your right side the work cable should also be on your right sid
42. s Hole in the case front 3 Route the cable as detailed in the picture The work cable should be routed between the metal divider panel and the wire feed gear box and gun assem bly HANDY MIG LINCOLN D 3 1 TROUBLESHOOTING E 1 HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by Lincoln Electric 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 This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions Simply follow the three step procedure listed below Step 1 LOCATE PROBLEM SYMPTOM Look under the column labeled PROBLEM SYMP TOMS This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it states to contact your local Lincoln Authorized Field Service Facility If you do not understand or are unable to perform the
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