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This manual covers equipment which is no
longer in production by The Lincoln Electric Co.
Speci cations and availability of optional
features may have changed.
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 ... and
thoughtful 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.
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
• 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.lincolnelectric.com
SA-250
For Machines with Code Numbers 10890
NTRL/C
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
R
Copyright © 2003 Lincoln Global Inc.
IM747
January, 2003

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Summary of Contents for Lincoln Global SA-250

  • Page 1 Code Number: Model: Where Purchased: Copyright © 2003 Lincoln Global Inc. • World's Leader in Welding and Cutting Products • • 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.lincolnelectric.com...
  • Page 2: California Proposition 65 Warnings

    SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS 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.
  • Page 3: Electric Shock Can Kill

    SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot”...
  • Page 4 SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a. Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire.
  • Page 5 SAFETY zones où l’on pique le laitier. PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de Pour votre propre protection lire et observer toutes les instructions prévenir tout risque d’incendie dû aux étincelles. et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté...
  • Page 6 for selecting a QUALITY product by Lincoln Electric. We want you Thank You to take pride in operating this Lincoln Electric Company product ••• 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.
  • Page 7: Table Of Contents

    TABLE OF CONTENTS Page ________________________________________________________________________ Installation .......................Section A Technical Specifications ..................A-1 Pre-Operation Installation ................A-2 Safety Precautions ..................A-2 Exhaust Spark Arrester ...................A-2 Location/Ventilation..................A-2 Machine Grounding..................A-2 Lift Bail ......................A-2 Trailers......................A-2,A-3 Polarity Control and Cable Sizes ..............A-3 Pre-Operation Service ...................A-3 Oil........................A-3 Fuel .........................A-3 Cooling System ....................A-3 Battery Charging .....................A-4 ________________________________________________________________________...
  • Page 8: Installation

    INSTALLATION TECHNICAL SPECIFICATIONS - SA-250 ( K1283-8) INPUT - DIESEL ENGINE Make/Model Description Horsepower Operating Displacement cu. in.(ltrs) Starting Capacities @ 1800RPM System PEED 12VDC Battery 4 Cylinder and starter Fuel: 15gal.(57L) High 4 Stroke Oil: 8.7 qts. Naturally 1800RPM Perkins (8.2L)
  • Page 9: Pre-Operation Installation

    The welder should be located to provide an unrestrict- age the welding equipment. Some of the factors to be ed flow of clean, cool air. Also, locate the welder so considered are as follows: that engine exhaust fumes are properly vented to an outside area. SA-250...
  • Page 10: Polarity Control And Cable Sizes

    The radiator has been filled at the factory with a 50-50 mixture of ethylene glycol antifreeze and water. Check the radiator level and add a 50-50 solution as needed (see engine manual or antifreeze container for alternate antifreeze recommendations). SA-250...
  • Page 11: Battery Charging

    • To prevent BATTERY BUCKLING, tighten nuts on battery clamp until snug. ------------------------------------------------------------------------ The SA-250 is equipped with a wet charged battery. 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.
  • Page 12: Operation

    OPERATION The SA-250 has a current range of 40-350 DC amps SAFETY PRECAUTIONS with output ratings as follows: RATED OUTPUT DUTY CYCLE WARNING 250A @ 30V 100% Do not attempt to use this equipment until you have thoroughly read the engine manufacturer’s 300A @ 32V manual supplied with your welder.
  • Page 13: Engine Operation

    NANCE section of this manual. above procedure. 5. Observe the oil pressure. If no pressure shows with- SA-250 WITH PERKINS 104-22 DIESEL ENGINE in 30 seconds, stop the engine and consult the TYPICAL FUEL CONSUMPTION DATA engine operating manual. To stop the engine, turn Low idle (1375 RPM ) 0.28 gal/hr ( 1.06 ltrs/hr )
  • Page 14: Welder Operation

    DUTY CYCLE The NEMA output rating of the SA-250 is 300 IDLER OPERATION amperes at 32 arc volts on a 60% duty cycle (consult Specifications in this manual for alternate ratings).
  • Page 15: Auxiliary Power

    20 amps to be drawn from either half. The total com- bined load of all receptacles is not to exceed 3.0 kVA. An optional power plug kit is available. When this kit is specified, the customer is supplied with a plug for each receptacle. SA-250...
  • Page 16: Accessories

    Pipe Thawing with an arc welder can cause fire, explosion, damage to electric wiring or to the arc welder if done improperly. The use of an arc welder for pipe thawing is not approved by the CSA, nor is it recommended or supported by Lincoln Electric. ------------------------------------------------------------------------ SA-250...
  • Page 17: Maintenance

    COOLING SYSTEMS when necessary and replace them when the maintenance requiring their removal is com- The SA-250 is equipped with a pressure radiator. plete. Always use the greatest care when work- Keep the radiator cap tight to prevent loss of coolant.
  • Page 18: Idler Maintenance

    Whenever routine maintenance is performed on this machine - or at least yearly - inspect all nameplates and labels for legibility. Replace those which are no longer clear. Refer to the parts list for the replace- ment item number. SA-250...
  • Page 19: Engine Service Chart

    (3) Fill slowly! Ensure correct quantity is used. Above operations to be carried out by trained personnel with reference to the workshop manual where necessary. These preventive maintenance periods apply to average conditions of operation. 12/99 S20919-2 If necessary use shorter periods. SA-250...
  • Page 20: Troubleshooting

    ----------------------------------------------------------- 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. SA-250...
  • Page 21: Welder Troubleshooting

    WELDER TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS(S) COURSE OF ACTION Machine fails to hold the heat 1. Rough or dirty commutator. consistently. 2. Brushes may be worn down to limit. 3.
  • Page 22: Engine Troubleshooting Guide

    ENGINE TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS(S) COURSE OF ACTION Engine does not start or operates 1. Faulty Ignition switch and or Irregularly Injector pump solenoid 2. Insufficient charging or complete discharge of the battery 3.
  • Page 23 P.C. Board 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. SA-250...
  • Page 24: Electronic Idler Troubleshooting Guide

    2. Replace Idler P.C. Board 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. SA-250...
  • Page 25 4. Replace Idler P.C. Board. 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. SA-250...
  • Page 26: Diagrams

    DIAGRAMS SA-250...
  • Page 27: Dimension Print

    DIMENSION PRINT SA-250...
  • Page 28 NOTES SA-250...
  • Page 29 NOTES SA-250...
  • Page 30 Now Available...12th Edition New Lessons in Arc Welding The Procedure Handbook of Arc Welding Lessons, simply written, cover manipulatory techniques; With over 500,000 copies of previous editions published machine and electrode characteristics; related subjects, since 1933, the Procedure Handbook is considered by many to such as distortion;...
  • Page 31 ● ● ● Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. WARNING electrode with skin or wet clothing. ● Insulate yourself from work and ground. Spanish ● ● ● No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el AVISO DE...
  • Page 32 ● ● ● Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or ● Use ventilation or exhaust to guards off. WARNING remove fumes from breathing zone. ● Spanish Los humos fuera de la zona de res- ●...
  • Page 33 • World's Leader in Welding and Cutting Products • • 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.lincolnelectric.com...

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