Manuale d’uso / di manutenzione del prodotto 10912 del fabbricante Lincoln Electric
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CLA SSIC ® 300G OPERA TOR’S MANUAL For Machines with Code Numbers 10659,10912,11135 IM659-B December, 2004 Safety Depends on You Lincoln arc welding equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation .
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.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors.
ii SAFETY ii ARC RA YS 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.
FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations.
iv SAFETY iv Mar. ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1.
v v Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment.
vi vi T ABLE OF CONTENTS Page Installation .......................................................................................................Section A Technical Specifications ......................................................................
TECHNICAL SPECIFICA TIONS – CLASSIC 300G (K1754-1) CLASSIC 300G A-1 INST ALLA TION A-1 DC CURRENT RANGE Fine Adjustment in each Range 40-350 Amps DUTY CYCLE 100% 60% RATED DC OUTPUT* VOLTS @ RATED AMPS 30V @ 250A NEMA Rating 32V @ 300A (1) 115V will operate either 60 Hz.
PRE-OPERA TION INST ALLA TION EXHAUST SP ARK ARRESTER Some federal, state or local laws may require that engines be equipped with exhaust spark arresters when they are operated in certain locations where unarrested sparks may present a fire hazard. The standard muffler included with this welder does not qualify as a spark arrester.
PRE-OPERA TION SER VICE READ the engine operating and maintenance instruc- tions supplied with this machine. OIL This unit is supplied from the factory with the engine crankcase filled with a high quality SAE 10W/30 oil. This oil should be acceptable for most typical ambient temperatures.
BA TTER Y CHARGING The Classic 300G is equipped with a wet charged bat- tery. The charging current is automatically regulated when the battery is low (after starting the engine) to a trickle current when the battery is fully charged.
B-1 OPERA TION B-1 SAFETY PRECAUTIONS Operate the welder with the doors closed. Leaving the doors open changes the designed air flow and can cause overheating. GENERAL DESCRIPTION The Classic ® 300G is a heavy duty, engine driven, DC arc welding power source, capable of providing constant current output for stick welding or DC TIG welding.
• When hauling the welder between job sites, close the fuel feed valve beneath the fuel tank. • If the fuel supply is cut off or runs out while the fuel pump is operating, air may be entrapped in the fuel distribution system. If this happens, bleeding of the fuel system may be necessary.
B-3 OPERA TION B-3 CLASSIC 300G AUXILIARY POWER The AC auxiliary power, supplied as a standard, has a rating of 3.0 kVA of 115/230 VAC (60 hertz). With the 3.0 kVA, 115/230 VAC auxiliary power, one 115V duplex and one 230V duplex, grounding type receptacle are provided.
C-1 ACCESSORIES C-1 CLASSIC 300G OPTIONAL EQUIPMENT (Field Installed) Accessory Set (K704) - Includes 35 ft. (10.7m) elec- trode and 30 ft. (9.1m) work cables, headshield, work clamp and electrode holder. Pipe Thawing with an arc welder can cause fire, explosion, damage to electric wiring or to the arc welder if done improperly.
D-1 MAINTENANCE D-1 SAFETY PRECAUTIONS GENERAL INSTRUCTIONS • Blow out the welder and controls with an air hose at least once every two months. In particularly dirty locations, this cleaning may be necessary once a week. Use low pressure air to avoid driving dirt into the insulation.
D-2 MAINTENANCE D-2 Replace brushes when they wear within 1/4” of the pigtail. A complete set of replacement brushes should be kept on hand. Lincoln brushes have a curved face to fit the commutator.
D-3 D-3 CLASSIC 300G MAINTENANCE ENGINE SERVICE EVERY DAY OR EVERY 8 HOURS F I RST SERV ICE - (50 HOURS) EVERY 100 HOURS OR 3 MONTHS EVERY 200 HOURS OR 6 MONTHS EVERY 600 HOURS OR 12 MONTHS EN GINE SE.
E-1 TROUBLESHOOTING CLASSIC 300G E-1 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.
E-2 TROUBLESHOOTING CLASSIC 300G E-2 Observe all Safety Guidelines detailed throughout this manual 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.
E-3 TROUBLESHOOTING E-3 CLASSIC 300G Observe all Safety Guidelines detailed throughout this manual 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.
E-4 TROUBLESHOOTING CLASSIC 300G E-4 ELECTRONIC IDLER CONTROL TROUBLESHOOTING GUIDE Engine Will Not Return to Low Idle in Approximately 10 Seconds After Welding and Auxiliary Loads are Removed Set Idl.
E-5 TROUBLESHOOTING CLASSIC 300G E-5 ELECTRONIC IDLER CONTROL TROUBLESHOOTING GUIDE With Idler Control Switch in the AUTO Position,Engine Will Not Pick Up Speed When: Auxiliary Load 1. Load too small. Try load above 150 Watts. 2. Check for loose or disconnected wire running from black lead out of exciter to CB2 circuit breaker.
E-6 TROUBLESHOOTING CLASSIC 300G E-6 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.
E-7 TROUBLESHOOTING CLASSIC 300G E-7 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.
E-8 TROUBLESHOOTING E-8 CLASSIC 300G Observe all Safety Guidelines detailed throughout this manual 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.
F-1 DIAGRAMS F-1 CLASSIC 300G 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. If the diagram is illegible, write to the Service Department for a replacement.
F-2 DIAGRAMS F-2 CLASSIC 300G 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. If the diagram is illegible, write to the Service Department for a replacement.
F-3 DIAGRAMS F-3 CLASSIC 300G S26097 A RESIST ORS Y X B G W F G ORANGE WHITE JUMPER WHITE JUMPER PIN CA BLE CONNEC TION TABLE C D E LEAD COLOR RED BLUE CV "WIRE" CONTROL POT CCW BLUE RED ORA.
F-4 DIAGRAMS F-4 CLASSIC 300G PART NO. WELDER A B C D E F G H S10766-9 J K L CLASSIC 300G S10766 1/03 METRIC cm (ENGLISH in.) 170.0 (66.91) 146.6 (57.70) 22.1 (8.70) 58.4 (23.00) 67.0 (26.38) 34.3 (13.50) 105.8 (41.66) 8.26 (3.25) 115.6 (45.5) A CONTROL PANEL F G B H D E C O HOLE O MOUNTING HOLE N.
W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE PARA ESTE EQUIP AMENTO E AS P ARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR.
• Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Lincoln Electric 10912 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Lincoln Electric 10912 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lincoln Electric 10912 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lincoln Electric 10912 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lincoln Electric 10912, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Lincoln Electric 10912.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Lincoln Electric 10912. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lincoln Electric 10912 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
