Life is good 55LM671S Flat Panel Television User Manual
Contents
1. Mounting on a thick wall using four 3 8 in M10 cotter bolts LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN A 4 INSTALLATION A 4 INSTALLING THE LFA 3 1 OR 4 1 ARM ON A WALL MOUNTING BRACKET continued MOUNTING THE LFA 3 1 OR 4 1 ARM TO THE WALL MOUNTING BRACKET The rotating hinge of the arm comes in three pieces Metal rotating hinge red plastic ring and clamping pin Refer to Figure 3 Mount the red plastic ring to the metal rotating hinge by fitting the clamping pin through the hole in the rotating rod and snapping it into place on the U shaped indents on the red plastic ring The lip of the ring should fit securely against the top edge of the rotating flange yet rotate with the rod The assembly should look like Part C in Figure 4 Position the rotating hinge on the wall mounting brack et See Fig 4 so that the cable hole Fig 4 Item A is on the wall side Use the four 3 bolts with washers and nuts to secure the rotating hinge to the wall mounting bracket C 0 y y A 0 C y vam Y TY Fig 4 Rotate the hinge rod Fig 4 Item D so the stop pin Fig 4 Item B is in the front Mount the hanging adapter Fig 5 Item D to the hinge rod using 2 1 75 bolts with washers and nuts Mount the spring bracket Fig 5 Item F into the two h2. A 3 OPehatO EE Section B Sale SS UG HONG EE B 1 Operating Instructions ooccccccnccccccononnnnncnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnnaninins B 1 ET lao APA o In Section C ROUTING Maintenance Au C 1 lio AR PP Section D Trouble Shooting Chart D 1 o EE P320 Series VI A 1 INSTALLATION A 1 Technical Specifications LFA 3 1 amp 4 1 Fume Extraction Arms GENERAL LFA 3 1 10 ft Extraction Arm LFA 4 1 13 ft Extraction Arm Arm Length including hood 9 85 ft 3 m 13 13 ft 4 m Nominal Diameter 8 0 in 203 mm Recommended Capacity 350 CFM 600 m3 h 940 CFM 1 600 m3 h Weight 33 Ibs 15 kg 37 Ibs 17 kg 16 ft AMBIENT CONDITIONS Min Temperature 41 F 5 C 13 ft Max Temperature 113 F 45 C 10 ft PRESSURE DROP SF2400 Fan and LFA 3 1 4 1 Arms 6 ft 3 ft Vacuum 0 ft Inches WG 20 ft 16 ft 13 ft 10 ft 6 ft 3 ft O ft Air Flow CFM O ft 3 ft 6 ft 10 ft 13 ft NOTE Technical Specifications are subject to change without prior notice Specifications and guarantees are valid only when specified spare parts and filters are used LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN A 2 INSTALLATION A 2 Read this entire installation section before you start installation SAFETY PRECAUTIONS Do not attempt to use this equipment until you have thoroughly read all installation operatin
3. FUMES AND GASES can be dangerous e Although the removal of the particu late matter from welding smoke may reduce the ventilation requirement concentrations of the clear exhausted fumes and gases may still be haz ardous to health Avoid breathing concentrations of these fumes and gases Use adequate ventilation when welding See ANSI 249 1 Safety in Welding and Cutting pub lished by the American Welding Society Only qualified personnel should operate this equip ment ADDITIONAL SAFETY PRECAUTIONS Always operate the fan with the arm installed and all covers in place as these provide maximum protection from moving parts and insure proper vacuum opera tion and cooling air flow OPERATING INSTRUCTIONS Turn on the connected extraction system For details refer to the Operating Instructions in the Mobiflex 200 M Mobiflex 400 MS or SF2400 Stationary Fan manual as appropriate For optimum fume capture position the hood within 10 15 inches 250 400 mm of the arc Use the rotary valve on the base of the hood to adjust the airflow to an apropriate level if desired If using a Lamp Kit The switch on the hood with a lamp symbol operates the work lamp in the hood If using an Auto Start Stop Arc Sensor The arc sensor will automatically switch the fan on when it senses an arc Standard run out time is approximately 20 sec The work lamp operates inde pendently of this sensor LFA 3 1 amp 4 1 FUME EXTR
4. IM623 A LFA 3 1 amp 4 1 Fume Extraction Arms 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 LINCOLN e World s Leader in Welding and Cutting Products e 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 AA WARNING CALIFORNIA PROPOSITION 65 WARNINGS _ 1 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 Diesel engine exhaust and some of its constituents Read and understand the following safety highlights For additional safety information it is st
5. Bracket e Flexible Hose 2 8 Rubber bands for arm base 2 Bolts M8x1 25 45mm long about 1 75 4 Bolts M8x1 25 75mm long about 3 00 Nuts M8 self locking Washers M8 LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN E A 3 INSTALLATION A 3 INSTALLING THE LFA 3 1 OR 4 1 ARM ON A WALL MOUNTING BRACKET A WARNING Only qualified personnel should install use or service this equipment 44 CAUTION Leave the tape and plastic packaging on the extrac tion arm sections until the arm is completely installed including mounting the hood The arm is spring bal anced to compensate for the weight of the hood and will spring out quickly if it is not mounted securely with the hood in place MOUNTING THE WALL MOUNTING BRACKET Figure 1 shows suggested mounting methods for installation on various wall types Fig 1 Mounting on a thin wall recom mended minimum wall thickness 5 in 100 mm using four 3 8 in M10 threaded rods 8 3 210 mm 9 230 mm 7 0 ft Fig 2 Figure 2 shows drilling dimensions Standard mounting height is approximately 7 ft from the floor to the lower mounting holes Mounting on a steel l beam using four 3 8 in M10 threaded rods and two box profile stabilizers 1x1x0 1 in 30x30x3 mm
6. 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 PL 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 iv SAFETY iv PRECAUTIONS DE SURETE 5 Toujours porter des lunettes de s curit dans la zone de 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 la 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 tension et la peau nue ou les v tements mouill s Porter des gants secs et sans trous pour isoler les mains Faire tr s atten
7. 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 LINCOLN ES Relier a 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 a souder doit tre branch a une bonne mise a 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 Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently Claims for mate
8. ACTION ARMS LINCOLN C 1 MAINTENANCE C 1 ROUTINE MAINTENANCE Every 3 months check the integrity of the outside of the extraction arm and clean it with a non agressive detergent Every 12 months e Check the flexible hoses and rubber seals for cracks or damage replace if necessary e Check the inside of the extraction arm and clean it thoroughly e Check and lubricate the hinge points with lubricating oil See Fig 10 C e Check and lubricate the steel cable near the balance wheel with lubricating grease See Fig 10 B e Check the steel cables for wear e Check and adjust the friction setting of the hood middle and base hinges See Fig 10 A Fig 11 e Check the balance construction of the extraction arm See Fig 10 A e Check the operation of the airflow throttle valve Fig 10 A B Adjust friction with a wrench Lubricate with grease Lubricate with oil LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN D 1 TROUBLESHOOTING D 1 Observe all Safety Guidelines detailed throughout this manual SYMPTOM PROBLEM SOLUTION Extraction arm creaks or squeaks Insufficient lubrication Lubricate hinge points as described in the Maintenance Section Poor suction Leakage Check hose connections and integrity Fan outlet blocked Remove obstructions from fan outlet Air path in arm blocked Remove obstructions from arm Filter blocked if used Check maintenance indicator and replace
9. FAN TO THE WALL MOUNTING BRACKET Use the 2 0 75 bolts and the 2 2 5 bolts with washers supplied with the fan to mount the fan Fig 9 Item B to the rotating hinge Fig 9 Item as shown Tighten all mounting bolts firmly to make the seal at the inlet of the fan A Starter Overload switch or Lamp Kit must be installed to provide power to the fan Refer to the SF2400 Stationary Fan manual for instructions on installation of a complete wall mounted system LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN E B 1 OPERATION B 1 Read and understand this entire section before oper ating your LFA 3 1 or 4 1 Extraction Arm SAFETY INSTRUCTIONS Do not attempt to use this equipment until you have thoroughly read all operating and maintenance man uals supplied with your equipment and any related welding machine it will be used with They include important safety precautions operating and mainte nance instructions and parts lists A WARNING ELECTRIC SHOCK can kill K_0 eDo not touch electrically live parts such as output terminals or internal wiring eInsulate yourself from the work and ground Always wear dry insulating gloves WELDING SPARKS can cause fire or explosion eKeep flammable material away Do not weld upon containers which have held combustibles ARC RAYS can burn eWear eye ear and body protection
10. II L ZE LA New Approach to Industrial Economics 5 00 NA f James F Lincoln Arc Welding 2 The American Century of John C Lincoln 5 00 AC Lo Foundation Book Information JFLF 515 For order value between 50 00 amp 99 99 For order value between 100 00 amp 149 00 IEEE Ep pate LA Order from BOOK DIVISION The Lincoln Electric Company 22801 St Clair Avenue Cleveland Ohio 44117 1199 Telephone 216 383 2211 or for fastest service FAX this completed form to 216 361 5901 A Welding Preheat Calculator 3 00 WC 8 Pipe Welding Charts 4 50 ED 89 Additional Shipping Costs ifany l TOTAL COST Name Address Telephone Signature as it appears on Charge Card SUB TOTAL eege Do not touch electrically live parts or electrode with skin or wet clothing e Insulate yourself from work and ground WARNING Spanish No toque las partes o los electrodos AVISO D E bajo carga con la piel o ropa moja P R ECAU C O N 0 ies del trabajo y de la tierra French ATTENTION German WARNUNG Portuguese ATENCAO Ne laissez ni la peau ni des v te ments mouill s entrer en contact avec des pi ces sous tension e Isolez vous du travail et de la terre Teile oder Elektroden mit Ihrem K rper oder feuchter Kleidung e isolieren Sie sich von den Elektroden und dem Erdboden N o toque partes el tricas e elec da e Isole se da peca e terra J
11. ITS 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 UNFALLVERHUTUNGSVORSCHRIFTEN 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 piracion Mantenga la cabeza fuera de los humos Utilice ventilacion o aspiraci n para gases e Gardez la t te l cart des fum es e Utilisez un ventilateur ou un aspira teur pour ter les fum es des zones de travail Vermeiden Sie das Einatmen von Schweibrauch e Sorgen Sie f r gute Be und Entl ftung des Arbeitsplatzes e Mantenha seu rosto da fumaca e Use ventila o e exhaust o para remover fumo da zona respirat ria tsr APSMERTLIICLT Feu RR PHB TARE L TR SU CEET AE 8 emoleg Fi aK BE SEER BERTE SHINS Belle Syor LSA7IAE HASI Ssh FRAMIAZI U4 EDS ARSHIAIS ARA ye Jaye dl su cat ll Lis Shem si Ang gall denial o Aged di Qi BAU Ge Al sag ys Turn power off before servicing Desconectar el cable de ali mentacion de poder de la maquina 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
12. antes de fazer servi o N o toque as partes el tricas nuas 0 Ate HA EXCH PSR STEEL vy Fe A ES Us o HEIS aI RE E Alan A pill Gab ily w Juill ail e 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 e Anlage nie ohne Schutzgeh use oder Innenschutzverkleidung in Betrieb setzen Mantenha se afastado das partes moventes e N o opere com os paineis abertos ou guardas removidas NZVPAN ERYWALEEE TRBHRPFELEVCE FL ALE E ES NS Eo edo Y OM AIS Ah Yi cils UI yal UA Jedd Yo Aale Get Ai dl Ayaan WARNING Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG Portuguese ATENCAO Se FIR Chinese LEIA E COMPREENDA AS INSTRUGOES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO E SIGA AS PRATICAS DE SEGURANCA DO EMPREGADOR ES MM CRBHOA A OIERBEEKHMA EFBRLTF EW TLTAHOR EME NS TRE HAMM MEME REO MAURER RO ARRE oi eo AA SIAD ZA AUX CAS ER SD ois S El aad cala Al gil Catia Al Lila Sul al gg all og SS Sall clala ad y as il LINCOLN e World s Leader in Welding and Cutting Products e 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
13. apanese SCH N CRRPOEAMA MAEHE SS IA J PONE CMNEUEE d ASS MLMPT APSRAP BERS NTWSRIE LT FAL O KKRRKDY DEBARREAR Se OR E CREARA SF He Korean Jet e ll al Quali Aral clay A ds platy AI pla aal DIS dua le Y jo pue e Ber hren Sie keine stromf hrenden trodos com a pele ou roupa molha Keep flammable materials away Mantenga el material combustible fuera del area de trabajo e Gardez l cart de tout mat riel inflammable e Entfernen Sie brennbarres Material e Mantenha inflam veis bem guarda dos e MHAPITUDBODUTORE FE LSC EGA o Ei D 2400 18 RE LIFE A AT AIX OMe den Ca Jaro ALAN oi gl mu Wear eye ear and body protection o 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 e Use protec o para a vista ouvido e corpo OH ERUABACRERELTE Lie OMR HRSESAAMR ez 712 Sol tears AS HAL ii y due ple Aly uy gl eo aa y READ AND UNDERSTAND THE MANUFACTURER 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 FABRICANTE PARA EL USO DE ESTE EQUIPO Y 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 PRODU
14. e K1655 1 and K1655 2 LFA 3 1 and 4 1 Extraction Arms have been com bined the difference between the arms is the length of the arm sections which does not affect installation procedures If installing the arm on a Mobiflex 200 M refer to the Mobiflex 200 M manual for installation information If installing the arm on a Mobiflex 400 MS refer to the Mobiflex 400 MS manual for installation information If installing the arm with an SF2400 Fan refer to the SF2400 Fan manual for installation information This manual covers installation of a K1655 1 LFA 3 1 10 ft Arm or K1655 2 LFA 4 1 13 ft Arm on a K1657 1 Wall Mounting Bracket If installing the arm on an Extension Crane without a K1656 1 SF2400 Fan refer to the Extension Crane manual for installation information A WARNING The installer is responsible for following local safety codes and regulations Before drilling verify locations of existing gas water or electrical conduits K1655 1 LFA 3 1 or K1655 2 LFA 4 1 Arm Includes e Assembled arm pieces e Flexible hose 2 8 Rubber seals for hood hinge e 2 8 Rubber seals for base hinge e Hood assembly e 2 Bolts M8x1 25 45mm long about 1 We 2 Nuts M8 self locking ee Hose running guard Clamping pin for red plastic ring Metal rotating hinge Red plastic ring K1657 1 Wall Mounting Bracket Includes e 2 Bracket pieces e Hanging Adapter e Spring
15. elding School BASIC COURSE 5 weeks of fundamentals 700 00 There is a 10 discount on all orders of 50 00 or more for shipment at one time to one location lOrders of 50 or less before discount or orders outside of North America must be prepaid with charge check or money order in U S Funds Only Prices include shipment by 4th Class Book Rate for U S A Mainland Only Please allow up to 4 weeks for delivery lUPS Shipping for North America Only All prepaid orders that request UPS shipment please add I 5 00 For order value up to 49 99 l 10 00 l 15 00 l For North America invoiced orders over 50 00 amp credit card orders if UPS is requested it will be invoiced or charged to you at cost JOutside U S A Mainland order must be prepaid in U S Funds Please add 2 00 per book for surface mail or 15 00 per book for air parcel post shipment IMETHOD OF PAYMENT Sorry No C O D Orders CHECK ONE Please Invoice only if order is over 50 00 Check or Money Order Enclosed U S Funds only Credit Card mem AD i vam O lise THIS FORM TO ORDER POS OR FREE INFORMATIVE CATALOGS lLincoln Welding School Titles Price Code Quantity Cost J ED 80 New Lessons in Arc Welding 5 00 LI Seminar Information Procedure Handbook Twelfth Edition 15 00 PH ED 45 How to Read Shop Drawings 3450 H T Educational Video Information _ Incentive Management_____ 500_ M
16. es 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 LINCOLN 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 6 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 e Semiautomatic DC Constant Voltage Wire Welder e DC Manual Stick Welder e AC Welder with Reduced Voltage Control In semiautomatic or automatic wire welding the electrode electrode reel welding head nozzle or semiautomatic welding gun are also electrically hot Always be sure the work cable makes a good electrical connection with the metal being welded The connection shou
17. fields may interfere with some pacemakers and welders having a pacemaker should consult their physician 1 d Keep all equipment safety guards covers and devices in before welding position and in good repair Keep hands hair clothing and tools away from V belts gears fans and all other moving SE Exposure to EMF fields in welding may have other health parts when starting operating or repairing equipment effects which are now not known Le In some cases it may be necessary to remove safety All welders should use the following procedures in order to guards to perform required maintenance Remove minimize exposure to EMF fields from the welding circuit guards only when necessary and replace them when the maintenance requiring their removal is complete 2 d 1 Route the electrode and work cables together Secure Always use the greatest care when working near moving them with tape when possible parts 2 d 2 Never coil the electrode lead around your body 1 f Do not put your hands near the engine fan es Do not attempt to override the governor or 2 4 3 Do not place your body between the electrode and idler by pushing on the throttle control rods work cables If the electrode cable is on your right while the engine is running side the work cable should also be on your right side q Connect the work cable to the workpiece as close as possible to the area being welded 1 g To prevent accidentally starting gasoline engin
18. filter if necessary Spark arrester blocked if used Clean the spark arrester Blower fan blocked Clean excess fume or spatter from fan Fan seal damaged Check or replace sealing material of fan For troubleshooting Fan or Filter problems refer to the corresponding manual CAUTION lf 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 LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN NOTES X TRACTOR 1GC LINCOLN Now Available 12th Edition The Procedure Handbook of Arc Welding With over 500 000 copies of previous editions published since 1933 the Procedure Handbook is considered by many to be the Bible of the arc welding industry This printing will go fast so don t delay Place your order now using the coupon below The hardbound book contains over 750 pages of welding information techniques and procedures Much of this material has never been included in any other book A must for all welders Supervisors engineers and designers Many welding instructors will want to use the book as a reference for all students by taking advantage of the low quantity discount prices which include shipping by 4th class parcel post 15 00 postage paid U S A Mainland How To Read Shop Drawings The book contains the latest in
19. formation and application data on the American Welding Society Standard Welding Symbols Detailed discussion tells how engineers and draftsmen use the short cut language of symbols to pass on assembly and welding information to shop personnel Practical exercises and examples develop the reader s ability to visualize mechanically drawn objects as they will appear in their assembled form 187 pages with more than 100 illustrations Size 8 1 2 x 11 Durable cloth covered board binding 4 50 postage paid U S A Mainland New Lessons in Arc Welding Lessons simply written cover manipulatory techniques machine and electrode characteristics related subjects such as distortion and supplemental information on arc welding applications speeds and costs Practice materials exercises questions and answers are suggested for each lesson 528 pages well illustrated 6 x 9 size bound in simulated gold embossed leather 5 00 postage paid U S A Mainland Need Welding Training The Lincoln Electric Company operates the oldest and most respected Arc Welding School in the United States at its corporate headquarters in Cleveland Ohio Over 100 000 stu dents have graduated Tuition is low and the training is hands on For details write Lincoln Welding School 22801 St Clair Ave Cleveland Ohio 44117 1199 and ask for bulletin ED 80 or call 216 383 2259 and ask for the Welding School Registrar Lincoln W
20. g and mainte nance information supplied with your equipment They include important safety precautions and detailed operating and maintenance instructions A WARNING ELECTRIC SHOCK can kill e Do not touch electrically live parts such as internal wiring e Turn the input power off at the fuse box before working on this equipment e Have a qualified person install and ser vice this equipment MOVING PARTS can injure e Do not operate with covers open or fil ter removed d AR y e Keep away from moving parts Only qualified personnel should install use or service this equipment GENERAL DESCRIPTION Lincoln s LFA extraction arms are spring balanced for easy positioning They are intended for use with a low vacuum high volume extraction fan The LFA arms are commonly installed on a Mobiflex 200 M mobile base unit with filter or with an SF2400 Wall Mounted Extraction Fan with or without a Statiflex 200 M Wall Mounted Filter Unit Extension Cranes are available in 7 ft and 14 ft lengths with an optional Feeder Hanging Rail Lamp Kits available for both the Mobiflex and Wall Mounted Systems provide hood mounted switches for the light and connected fan sys tem An Automatic Start Stop Arc Sensor can be installed with either lamp kit to automatically start the connected extraction system Mobiflex 200 M or SF2400 Fan when the sensor detects a welding arc Installation procedures for th
21. 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 cables 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 PRECAUTIONS DE SURETE POUR partie du corps LES MACHINES A SOUDER A Un coup d arc peut tre plus s v re qu un coup de soliel TRANSFORMATEUR ET REDRESSEUR 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
22. ld 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 LINCOLN 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 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 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 3 FUMES AND GASES can be dangerous 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 exhaus
23. 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 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 ove
24. oles as shown Position one 8 rubber band Fig 5 Item A and the flexible hose supplied with the mounting bracket Fig 5 Item E on the red plastic ring of the rotating hinge Q Put another rubber band on the top of the arm Use 2 1 75 bolts with nuts to mount the arm Fig 6 Item B to the hanging adapter Fig 6 Item A using both mounting holes as indicated VOS 7 H A Z gt D D gt Fig 6 y AN N LFA 3 1 amp 4 1 FUME EXTRACTION ARMS LINCOLN A 5 INSTALLING THE LFA 3 1 OR 4 1 ARM ON A WALL MOUNTING BRACKET continued MOUNTING THE LFA 3 1 OR 4 1 ARM TO THE WALL MOUNTING BRACKET continued Position one 8 rubber band Fig 7 Item B and the flexible hose supplied with the arm Fig 7 Item C on the hood end of the arm Fig 7 Item A Put the last rubber band on the hood connection Mount the hood as shown in Figure 7 Snap the hose running guard into place atop the mid dle hinge so the nose end faces the base of the arm as shown in Figure 8 d 7 ya Z 5 an ye SL CA ENS O AA W D V Na Remove the plastic and tape packaging from the arm sections Adjust the friction of the arm and hood movement as described in the maintenance section of this manual When set seal all hose connections with the rubber seals INSTALLATION A 5 If using a Lincoln SF2400 Stationary Fan MOUNTING THE SF2400
25. r 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 Sg f damaged Se e 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 Cylinders should be located e Away from areas where they may be struck or subjected to physical damage eA 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 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
26. rial 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 Model Name amp Number Code amp Serial Number Date of Purchase Whenever you request replacement parts for or information on this equipment always supply the information you have recorded above 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 protection The level of seriousness to be applied to each is explained below The identification plate specifies A Serial number B Product name A 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 TABLE OF CONTENTS Page LLN EE i iv JEC LE e E Section A Tecnnical SNC CNG ANIONS a eee nie en ee ane ne A 1 Safety Precautions ccccccccceccecceeseseecceeeeeeeeeaeeaeeseceeceeeeeessaeeeesseeceeeeeesseseaeasseeeeseeeeeeeeaaas A 2 General Description A 2 Installing the LFA 3 1 or 4 1 Arm on a Wall Mounting Bracket
27. rongly recommended that you purchase a copy of Safety in Welding Cutting ANSI Standard 249 1 from the American Welding Society P O Box 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 A FOR ENGINE d 1h To avoid scalding do not remove the d al i radiator pressure cap when the engine is powered equipment ANA ame er P 1 a Turn the engine off before troubleshooting and maintenance 3 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 y o 9 ELECTRIC AND RS MAGNETIC FIELDS 1 c Do not add the fuel near an open flame may be dangerous welding arc or when the engine is running Stop the engine and allow it to cool before 2 a Electric current flowing through any conductor causes refueling to prevent spilled fuel from vaporiz localized Electric and Magnetic Fields EMF Welding ing on contact with hot engine parts and current creates EMF fields around welding cables and igniting Do not spill fuel when filling tank If welding machines fuel is spilled wipe it up and do not start engine until fumes have been eliminated EMF
28. t 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 prod ucts 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 distributor or from the manufacturer 5 e Also see item 1 b Mar 95 SAFETY 3 72 WELDING SPARKS can 5 cause fire or explosion 6 a Remove fire hazards from the welding area If this is
29. tion 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 a 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 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 isol de la masse Un court circuit accidental peut provoquer un echauffement et un risque d incendie S assurer que la masse est connect e le plus pr s possible de
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