Lincoln-electric IM640 SAE400 Weld'n Air User Manual

OPERATOR’S MANUALSAE400 & SAE400 WELD’N AIR - DC ARC WELDING POWER SOURCE IM640-AMay, 2004For use with machines having Code Numbers: 10601, 1

A-1INSTALLATION SAE400 & SAE400 WELD’N AIRA-1TECHNICAL SPECIFICATIONS - SAE400 & SAE400 WELD’N AIRMake/Model Description Speed (RPM) Displac

A-2INSTALLATION SAE400 & SAE400 WELD’N AIRA-2Read this entire installation section before youstart installation.SAFETY PRECAUTIONSDo not attempt

A-3INSTALLATIONSAE400 & SAE400 WELD’N AIRA-3HIGH ALTITUDE OPERATIONAt higher altitudes, output derating may be necessary.As a rule of thumb, derat

A-4INSTALLATIONA-4SAE400 & SAE400 WELD’N AIR• Stop engine while fueling.• Do not smoke when fueling.• Keep sparks and flame away fromtank.• Do no

BATTERY ACID can burn eyes andskin.● Wear gloves and eye protectionand be careful when working nearbattery.● Follow instructions printed on battery.IM

B-1OPERATIONB-1WELDING SPARKS can causefire or explosion.• Do not weld near flammable material .• Do not weld on containers that haveheld flammable ma

B-2OPERATIONB-2RECOMMENDED APPLICATIONSWELDERThe SAE400 or SAE400 WELD’N AIR provides excel-lent constant current DC welding output for stick(SMAW) we

B-3OPERATIONB-3ENGINE CONTROLSIGNITION SWITCHWhen placed in the “ON” position, this switch ener-gizes the fuel solenoid. When placed in the “OFF” posi

B-4OPERATIONB-4How to Set the ControlsAssume you want a normal soft arc and about 135amps, using a 5/32” (4.0 mm) electrode:1. Set the “Job Selector”

B-5OPERATIONB-5ENGINE OPERATIONDo not adjust the high idle engine speed (rpm) abovethe factory setting specification as this will overspeedthe air com

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

C-1ACCESSORIESC-1K930-2 Hi-Freq™ - Provides high frequency plus agas valve for TIG welding. A water valve is available asan option. Requires 115 volt

D-1MAINTENANCED-1ELECTRIC SHOCK can kill.● Do not touch electrically live partssuch as output terminals or inter-nal wiringENGINE EXHAUST can kill.● U

D-2MAINTENANCED-2COMMUTATOR AND BRUSH MAINTENANCEUncovered rotating equipment can be dangerous.Use care so your hands, hair, clothing or tools donot c

D-3MAINTENANCED-34. Using a pair of pliers, gently tug on the pull tabs ofthe pre-filter screen in an alternating pattern togradually remove the pre-f

D-4MAINTENANCED-4SPARK ARRESTOR• Spark Arrester and Muffler may behot!• Allow engine to cool before servicingspark arrester!• Do not operate engine wh

E-1TROUBLESHOOTINGE-1SAE400 & SAE400 WELD’N AIRIf for any reason you do not understand the test procedures or are unable to perform the tests/repa

E-2TROUBLESHOOTINGE-2SAE400 & SAE400 WELD’N AIRObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understan

E-3TROUBLESHOOTINGE-3SAE400 & SAE400 WELD’N AIRObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understan

E-4TROUBLESHOOTINGE-4SAE400 & SAE400 WELD’N AIRObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understan

E-5TROUBLESHOOTINGE-5SAE400 & SAE400 WELD’N AIRObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understan

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

F-1WIRING DIAGRAMSSAE400 & SAE400 WELD’N AIRF-1B239EnableTERMINALCompressorIGNITERCOLDB233THERMOSTARTBB-STARTTHERMOSTART230W30BB229B234220BBIDLERS

SAE400 & SAE400 WELD’N AIRF-2WIRING DIAGRAMSF-2SWITCHPROTECTIONP.C. BOARDIDLER/ENGINEJ1+SWITCH (N.C.)OIL PRESSURETHERMOSTARTCOLDTERMINALSTARTB-THE

SAE400 & SAE400 WELD’N AIRF-3WIRING DIAGRAMSF-37-01M19237COLOR CODEALTERNATORROTORAC+SLIP -RINGS(-)D2FLASHING DIODEB-BLACK OR GRAYG-GREENN-BROWNR-

SAE400 & SAE400 WELD’N AIRF-4DIMENSION PRINTF-418.5022.1422.0027.1224.508.123.00.8843.7563.0639.6950.1328.0032.876.0081.2569.7577.0039.3844.50 8.9

SAE400 & SAE400 WELD’N AIRNOTES

SAE400 & SAE400 WELD’N AIRWARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREEND

SAE400 & SAE400 WELD’N AIRWARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERST

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB

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

ivSAFETYivMar. ‘93PRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques q

vSAFETYvWARNINGAssure that tank and compressor reliefvalves work properly, and are at correctpressure settings.NEVER move compressor with pressure int

viSAFETYvi

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

viiiTABLE OF CONTENTSSAE400 & SAE400 WELD’N AIRviiiPageInstallation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .