Lincoln Electric PERKINS SA-250 User Manual

SA-250 PERKINSDiesel Engine Driven DC Arc Welding Power Source OPERATOR’S MANUALFor use with machines having Code Number 10073 or 10073CV: 100

– 9 –ProductNameDescription Horsepower OperatingSpeedsDisplacement CapacitiesPerkins D3.152 3 Cylinder,4 Cycle,Water-CooledDiesel Engine with Thermost

PRE-OPERATION INSTALLATIONSafety PrecautionsExhaust Spark ArresterSome federal, state or local laws may require thatdiesel engines be equipped with ex

3. Proper placement of the equipment on the under-carriage to ensure stability side to side and front toback when being moved and when standing byits

– 12 –Battery ChargingThe SA-250 is equipped with a wet charged battery.The charging current is automatically regulated whenthe battery is low (after

ENGINE OPERATIONOperate the welder with the doors closed. Leavingthe doors open changes the designed air flow and cancause overheating.Starting the P

When a forceful “digging” arc is required, usually forvertical and overhead welding, use a higher “CurrentRange Selector” setting and lower open circu

MAINTENANCEGeneral Instructions for Diesel EngineWelders1. Blow out the welder and controls with an air hoseat least once every two months. In parti

3. Change the crankcase oil at regular intervals usingthe proper grade of oil as recommended in theengine operating manual.4. Change the oil filter

Idler MaintenanceBefore doing electrical work on the idler printedcircuit board, disconnect the battery.----------------------------------------------

– 18 –TROUBLEA. Machine fails to hold the “heat”consistently.B. Welder starts but fails to gener-ate current.C. Welding arc is loud and spat-ters e

FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.

– 19 –TROUBLED. Welding current too great ortoo small compared to indica-tion on the dial.E. Arc continuously pops out.CAUSE1. Exciter output low c

– 20 –ELECTRONIC IDLER TROUBLESHOOTING GUIDEEngine Will Not Return to Idlein Approximately 15 SecondsSet Idler Control Switchto the Auto PositionCheck

– 21 –CONTROL PANEL COMPONENTSLEAD COLOR CODE B-BLACKG-GREENN-BROWNBR+-+-YRWBBUUSLIP RINGSTO IRONRNA54321ALTERNATORAUXILIARYPOWERWINDINGSCURRENTTRANSF

– 22 –16.5322.1422.0027.12.88M8869-247-28-95E24.508.123.0031.7552.9432.8243.1328.0020.916.0065.2553.7561.0035.1067.00*= .81 DIA HOLES= .69 DIA HOLES**

NOTES

Now Available...12th EditionThe Procedure Handbook of Arc WeldingWith over 500,000 copies of previous editions publishedsince 1933, the Procedure Hand

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iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b. Install equ

ivSAFETYivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instruc-tions et les précautions de sûreté specifiques qui par

Thank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product••• as much p

– 6 –TABLE OF CONTENTSPageGENERAL DESCRIPTION ...7DESIG

GENERAL DESCRIPTIONThe SA-250 is a heavy duty engine-driven DC arcwelding power source capable of providing constantcurrent output for stick welding o

OPTIONAL FEATURESAccessory Set (K703)Includes electrode and work cables, headshield, workclamp, and electrode holder.Ether Start Kit (K793-1) for Perk