Lincoln Electric SA-250 - Manuals

Lincoln Electric SA-250 – Manual in PDF format online.

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Manual

Manual Lincoln Electric SA-250

Summary

Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines

FOR ENGINEpowered 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....

Page 3 - ii

ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...

Page 4 - iii

FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’srecommendations. 8.c. Ground the equipment in ac...

Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ

iv SAFETY iv 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. Protegez-vous contre la seco...

Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately

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. Save this manual and...

Page 7 - TABLE OF CONTENTS

vi vi TABLE OF CONTENTS Page ________________________________________________________________________ Installation .......................................................................................................Section A Technical Specifications ..................................................

Page 8 - INSTALLATION; INPUT - DIESEL ENGINE

A-1 INSTALLATION SA-250 A-1 Make/Model Description Horsepower Operating Displacement cu. in.(ltrs) Starting Capacities @ 1800RPM S PEED System 1. Output rating in watts is equivalent to volt-amperes at unity power factor. Output voltage is within ± 10% at all loads up to rated capacity. When welding...

Page 9 - P R E - O P E R AT I O N I N S TA L L AT I O N; DO NOT MOUNT OVER COMBUSTIBLE SUFACES.

A-2 INSTALLATION SA-250 A-2 P R E - O P E R AT I O N I N S TA L L AT I O N EXHAUST SPARK ARRESTER Some federal, state or local laws may require thatengines be equipped with exhaust spark arresterswhen they are operated in certain locations whereunarrested sparks may present a fire hazard. Thestandar...

Page 10 - PRE-OPERATION SERVICE; READ; OIL; CAUTION; Fuel; POLARITY CONTROL and CABLE SIZES; positive

PRE-OPERATION SERVICE READ the engine operating and maintenance instruc- tions supplied with this machine. OIL This unit is supplied from the factory with the enginecrankcase filled with a high quality SAE 10W/30 oil.This oil should be acceptable for most typical ambienttemperatures. Consult the eng...

Page 11 - Battery Charging; NEGATIVE GROUND; To prevent EXPLOSION when:; Negative Ground

A-4 INSTALLATION SA-250 A-4 Battery Charging The SA-250 is equipped with a wet charged battery.The charging current is automatically regulated whenthe battery is low (after starting the engine) to a tricklecurrent when the battery is fully charged. When replacing, jumping or otherwise connecting the...

Page 12 - OPERATION; SAFETY PRECAUTIONS; CONTROL PANEL; RATED OUTPUT; See additional warning information at the

B-1 OPERATION B-1 SAFETY PRECAUTIONS GENERAL DESCRIPTION The SA-250 is a heavy duty, engine driven, DC arcwelding power source, capable of providing constantcurrent output for stick welding or DC TIG welding. This welder is wound with all copper coils, rated at300 amps/32 Volts. With the addition of...

Page 13 - ENGINE OPERATION; COLD WEATHER STARTING; Note; STOPPING the ENGINE; TYPICAL FUEL CONSUMPTION DATA

B-2 OPERATION B-2 ENGINE OPERATION Operate the welder with the doors closed. Leaving thedoors open changes the designed air flow and cancause overheating. S T A R T I N G t h e S A - 2 5 0 P E R K I N S 1 0 4 - 2 2DIESEL ENGINE 1. Turn the “IDLER” switch to “HIGH”. 2. Turn the “IGNITION” switch to “...

Page 14 - WELDER OPERATION; DUTY CYCLE

B-3 OPERATION B-3 SA-250 WELDER OPERATION DUTY CYCLE T h e N E M A o u t p u t r a t i n g o f t h e S A - 2 5 0 i s 3 0 0amperes at 32 arc volts on a 60% duty cycle (consultSpecifications in this manual for alternate ratings).Duty cycle is based on a ten minute period; thus, thewelder can be loaded...

Page 15 - AUXILIARY POWER

B-4 OPERATION B-4 SA-250 AUXILIARY POWER The AC auxiliary power, supplied as a standard, has arating of 3.0 kVA of 115/230 VAC (60 hertz). With the 3.0 kVA, 115/230 VAC auxiliary power, one115V duplex and one 230V duplex, grounding typereceptacle are provided. The circuit is protected withcircuit br...

Page 16 - ACCESSORIES; OPTIONAL FEATURES

C-1 ACCESSORIES C-1 SA-250 OPTIONAL FEATURES (Field Installed) Accessory Set (K704) - Includes electrode and work cables, headshield, work clamp and electrode holder. TIG Module (K930-2) - Portable, high frequency unit with gas valve for TIG welding. Rated at 300 amps /60% duty cycle. (Request Publi...

Page 17 - MAINTENANCE; GENERAL INSTRUCTIONS; DO NOT; S e e a d d i t i o n a l w a r n i n g i n f o r m a t i o n a t

D-1 MAINTENANCE D-1 MAINTENANCE GENERAL INSTRUCTIONS • Blow out the welder and controls with an air hose atleast once every two months. In particularly dirtylocations, this cleaning may be necessary once aweek. Use low pressure air to avoid driving dirt intothe insulation. • “Current Range Selector”...

Page 18 - IDLER MAINTENANCE; negative; NAMEPLATES; Vent Screw

D-2 MAINTENANCE D-2 Lincoln brushes have a curved face to fit the commu-tator. Have an experienced maintenance man seatthese brushes by lightly stoning the commutator asthe armature rotates at full speed until contact is madeacross the full face of the brushes. After stoning, blowout the dust with l...

Page 19 - ENGINE SERVICE

D-3 D-3 SA-250 MAINTENANCE I EVERY 400 HOURS OR 12 MONTHS EVERY 200 HOURS OR 6 MONTHS EVERY 100 HOURS OR 3 MONTHS FIRST SERVICE-(20 / 50 HOURS) EVERY DAY OR EVERY 8 HOURS If necessary use shorter periods. These preventive maintenance periods apply to average conditions of operation. Perkins #1300366...

Page 20 - TROUBLESHOOTING; Local Lincoln Authorized Field Service Facility; HOW TO USE TROUBLESHOOTING GUIDE

E-1 TROUBLESHOOTING E-1 SA-250 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. CAUTION This Troubleshooting Guide i...

Page 21 - WELDER TROUBLESHOOTING; Observe all Safety Guidelines detailed throughout this manual; PROBLEMS

E-2 WELDER TROUBLESHOOTING E-2 SA 250 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 troubleshootin...

Page 22 - ENGINE TROUBLESHOOTING; does not

E-3 ENGINE TROUBLESHOOTING E-3 SA 250 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 troubleshootin...

Page 24 - ELECTRONIC IDLER TROUBLESHOOTING GUIDE

E-5 TROUBLESHOOTING SA-250 E-5 ELECTRONIC IDLER TROUBLESHOOTING GUIDE With Idler Control Switch in the Auto Position, Engine Will Not Return to Low Idle in Approximately 15 Seconds After Welding and Auxiliary Loads are Removed Set Idler Control Switch to the Auto Position Check for Continuity throug...

Page 26 - DIAGRAMS; IRI

F-1 DIAGRAMS F-1 SA-250 M2 0016 C + - + - R W B SL IP RI NGS 34 6 A 54 3 2 1 CB 3 CB 1 115 V OL T RE CEP TA CL E 23 0 V OL T RECEP TAC LE W ELDER LEAD BL OC K AC AC 42 602A U CB 2 CB 4 1 2 3 4 5 6 600A 41 GENERA TO R N -W 48 ST AR T + 52 + ID LE R SO LE NO ID - P9 J8 POSI TI VE 400D 400E - 51 56 RHE...

Page 27 - DIMENSION PRINT

F-2 DIMENSION PRINT F-2 SA-250 M8869-24 A 28. 00 22. 00 22. 14 24. 50 27. 12 25. 00 31. 75 51. 50 6. 00 32. 82 42. 63 43. 13 48. 50 53. 75 61. 00 65. 25 67. 00 8. 12 3. 00 .8 8 16. 30 33. 75 N. B. N. A. N. A. N. A. N. B. N. C. NOT ES: N. A. .81 H OLE S N. B. .69 H OLE S N. C. CENT ER OF GRAVI TY W I...

Page 28 - NOTES

Page 30 - Lincoln Welding School; BASIC COURSE

Now Available...12th EditionThe 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. T h i s p r i n t i n g w i l l g o f a s t s o d o n ’ t d e l a y . P ...

Page 31 - ÇÃ

WARNING AVISO DE PRECAUCION ATTENTION WARNUNG ATEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BEUSED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS I...