Lincoln-electric IDEALARC R3R 375-I User Manual

IDEALARC®R3R 375-I, 500-I AND 600-IOPERATOR’S MANUALIM410-DJune, 2009Safety Depends on YouLincoln arc welding and cuttingequipment is designed and bui

B-2OPERATIONB-2B. ARC FORCE CONTROL DIALArc ForceIncrease/Decrease ofArc ForceC. OUTPUT CURRENT CONTROL DIALOutput CurrentD. OUTPUT CURRENT CONTROL RA

C-1ACCESSORIESC-1OPTIONAL EQUIPMENTK857 – REMOTE CURRENT CONTROLThe K857 consists of a control box with 8.5 m (28 ft) offour conductor cable and a 6 p

D-1MAINTENANCED-1ELECTRIC SHOCK can kill.• Have an electrician install and ser-vice this equipment.• Turn the input power off at the fusebox before wo

E-1TROUBLESHOOTINGE-1IDEALARC® R3R 375-I, 500-I AND 600-IIf for any reason you do not understand the test procedures or are unable to perform the test

E-2TROUBLESHOOTINGE-2IDEALARC® R3R 375-I, 500-I AND 600-IObserve all Safety Guidelines detailed througout this manualIf for any reason you do not unde

E-3TROUBLESHOOTINGE-3IDEALARC® R3R 375-I, 500-I AND 600-IObserve all Safety Guidelines detailed througout this manualIf for any reason you do not unde

E-4TROUBLESHOOTINGE-4IDEALARC® R3R 375-I, 500-I AND 600-IObserve all Safety Guidelines detailed througout this manualIf for any reason you do not unde

E-5TROUBLESHOOTINGE-5IDEALARC® R3R 375-I, 500-I AND 600-IObserve all Safety Guidelines detailed througout this manualIf for any reason you do not unde

E-6TROUBLESHOOTINGE-6IDEALARC® R3R 375-I, 500-I AND 600-IObserve all Safety Guidelines detailed througout this manualIf for any reason you do not unde

E-7TROUBLESHOOTINGE-7IDEALARC® R3R 375-I, 500-I AND 600-ILow output, low OCV, or erratic weldingTurn control dial to minimumCheck OCVOCV is 35-55V OCV

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

E-8TROUBLESHOOTINGE-8TROUBLESHOOTINGPROCEDURESA.PROCEDURE FOR REPLACING PCBOARDSWhen a PC board is to be replaced, the followingprocedure must be foll

E-9TROUBLESHOOTINGE-9(high resistance value). This indicates that thecapacitor in the snubber circuit is taking acharge.3. If the needle stays to the

E-10TROUBLESHOOTINGE-102. POWER DIODE TESTa. Establish the polarity of the ohmmeter leadsand set to X10 scale.b. Connect the ohmmeter positive lead to

F-1WIRING DIAGRAMSF-1IDEALARC® R3R 375-I, 500-I AND 600-INOTE: This diagram is for reference only. It may not be accurate for all machines covered by

F-2WIRING DIAGRAMSIDEALARC® R3R 375-I, 500-I AND 600-IF-2NOTE: This diagram is for reference only. It may not be accurate for all machines covered by

F-3WIRING DIAGRAMSIDEALARC® R3R 375-I, 500-I AND 600-IF-3R3R 375-I, 500-I and 600-IK817 or K817R(K841 not shown)Part No. Type AB CD F G HM12244-7 R3R

IDEALARC® R3R 375-I, 500-I AND 600-IWARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND U

IDEALARC® R3R 375-I, 500-I AND 600-IWARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COM

• 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: w

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

iiiSAFETYiiiIDEALARC® R3R 375-I, 500-I AND 600-IFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box

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

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

viTABLE OF CONTENTSIDEALARC® R3R 375-I, 500-I AND 600-IviPageInstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A-1INSTALLATIONIDEALARC® R3R 375-I, 500-I AND 600-IA-1INSTALLATIONFALLING EQUIPMENT can causeinjury.• Do not lift this machine using liftbail if it is

B-1OPERATIONB-1OPERATIONELECTRIC SHOCK can kill.• Do not touch electrically live partsor electrode with skin or wet cloth-ing.• Insulate yourself from