Lincoln-electric CV-655 User Manual

CV-655OPERATOR’S MANUALIM570February, 2009Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. Howe

A-1CV-655A-1INSTALLATIONTECHNICAL SPECIFICATIONS – CV-655Volts at Rated Amperes4444Auxiliary PowerSee the OPERATION sectionfor Auxiliary Power informa

A-2INSTALLATION CV-655A-23 Phase transformer with rectified DC outputINPUT POWERTHREE PHASEDesignates welder complies withNational Electrical Manufa

A-3INSTALLATION CV-655A-3Read entire installation section before startinginstallation.SAFETY PRECAUTIONSSELECT SUITABLE LOCATIONPlace the welder whe

A-4INSTALLATION CV-655A-4INPUT POWER SUPPLY CONNECTIONSA qualified electrician should connect the input powersupply leads.1. Follow all national and

A-5INSTALLATION CV-655A-5OUTPUT CONNECTIONSELECTRODE AND WORK CABLESUse the shortest possible cable lengths. See TableA.1 for recommended cable size

A-6INSTALLATION CV-655A-6FIGURE A.4 FRONT VIEW OF 14-PIN CONNECTORRECEPTACLEPIN LEAD NO. FUNCTIONA 32 115 VACB GND Chassis ConnectionC 2 Trigger Cir

A-7INSTALLATION CV-655A-7TERMINAL STRIPSTerminal strips are available behind the cover panelon the lower case front to connect wire feeder controlca

B-1OPERATIONB-1GENERAL DESCRIPTIONThe CV-655 is an energy efficient constant voltage DC powersource that produces outstanding arc characteristics.Four

B-2OPERATIONB-2DESIGN FEATURES AND ADVANTAGES(CONT’D)• 115 VAC, auxiliary power available for the wirefeeder; circuit breaker protected. 20 amp brea

B-3OPERATIONB-31. INPUT POWER ON/OFF SWITCH - This tog-gle switch turns the machine on or off. Putting theswitch in the ON position ener

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

B-4OPERATIONB-4CV-6551. 115VAC DUPLEX RECEPTACLE (Domestic andCanadian Models) This receptacle provides up to20 amps of 115 VAC auxiliary power on the

B-5OPERATIONB-5CV-655CASE BACK CONNECTIONS220VAC AUXILIARY RECEPTACLE(European and Export Models)This receptacle provides up to 2 amps of 220VACauxili

C-1ACCESSORIESC-1The CV-655 can be used to power any ofthe following Lincoln Wire feeders:SEMI-AUTOMATIC WIRE FEEDERS • DH-10 • LN-9*• LN-10 • LN-9 G

D-1MAINTENANCED-1CV-655SAFETY PRECAUTIONSGENERAL MAINTENANCE1. The fan motor has sealed bearings which requireno service.2. In extremely dusty locat

CV-655E-1TROUBLESHOOTINGE-1This Troubleshooting Guide is provided tohelp you locate and remedy possible prob-lems with machine setup or operation.Simp

CV-655If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact yourLocal Lincoln Author

E-3TROUBLESHOOTINGE-3CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-4TROUBLESHOOTINGE-4CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-5TROUBLESHOOTINGE-5CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-6TROUBLESHOOTINGE-6CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

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

E-7TROUBLESHOOTINGE-7CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-8TROUBLESHOOTINGE-8CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-9TROUBLESHOOTINGE-9CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures or

E-10TROUBLESHOOTINGE-10CV-655Observe all Safety Guidelines detailed througout this manualIf for any reason you do not understand the test procedures o

F-1DIAGRAMSCV-655F-1

F-2DIAGRAMSF-2CV-655

F-3DIAGRAMSF-3CV-655 Above diagram shows electrode connected positive. To change polarity, turn power off, reverse the electrode and work leads at th

F-4DIAGRAMSF-4CV-655NEGATIVEPOSITIVE323124GND21N.A.N.D.TO WORKPOWER SOURCEOnly qualified persons should install, use orservice this machine.Do not ope

F-5DIAGRAMSF-5CV-655 S22980 ELECTRODE CABLE-+14 PINAMPHENOLPOWER SOURCETO WORK AND 14-PIN CABL

F-6DIAGRAMSF-6CV-655CV655 WIRING DIAGRAM CODES 10120, 10122, 10123, 10124This diagram is for reference only. It may not be accurate for all machines c

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

F-7DIAGRAMSF-7CV-655CV655 WIRING DIAGRAM CODE 10121This diagram is for reference only. It may not be accurate for all machines covered by this manual.

F-8DIAGRAMSF-8CV-655This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a par

F-9DIAGRAMSF-9CV-655

F-10DIAGRAMSF-10CV-655

NOTES CV655

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

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

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

vvSAFETYElectromagnetic Compatibility (EMC)ConformanceProducts displaying the CE mark are in conformity with European Community Council Directive of 3

viviSAFETYElectromagnetic Compatibility (EMC)The size of the surrounding area to be considered will depend on the structure of the building and othera

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

viii viii TABLE OF CONTENTSPageInstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .