Lincoln-electric IDEALARC CV-300 User Manual

IDEALARC CV-300SERVICE MANUALSVM116-AMarch 1999Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind.

A-3INSTALLATION IDEALARC CV-300A-3INPUT ELECTRICAL CONNECTIONSAll input power must be electricallydisconnected before proceeding.___________________

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G-16ELECTRICAL DIAGRAMSG-16IDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC

G-17ELECTRICAL DIAGRAMSG-17IDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC

G-18ELECTRICAL DIAGRAMSG-18Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Maste

L8873 CONTROL PC BOARD COMPONENTSG-19ELECTRICAL DIAGRAMSG-19IDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to

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G-21ELECTRICAL DIAGRAMSG-21IDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC

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NOTESIDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC R

SVM ERROR REPORTING FORMWe need to know if there are errors in our manuals. We also value any suggestions as toadditional tests or procedures that wo

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A-8INSTALLATIONIDEALARC CV-300A-86. Tighten the set screw(s) to collapse the tube. Thescrew(s) must apply firm pressure against weldingcable. The top

NOTESIDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC R

OPERATIONIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCOPERATION SECTION ...

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iSAFETYiIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCPROTECT YOURSELF AND OTHERS FROM POSSIBLE SE

B-3OPERATIONB-3CONTROLS AND SETTINGSAll operator controls and welding connections arelocated on the Case Front of the machine. See FigureB.1 for the

B-4OPERATIONB-45. 115-VOLT CIRCUIT BREAKER - Protectsthe 115-volt 31-32 circuit in the wire feeder recep-tacle from overloads and shorts. If this ci

B-5OPERATIONB-5OPERATING STEPSSTARTING THE MACHINETurn the ON/OFF POWER SWITCH to the ON posi-tion. See Figure B.1.ADJUSTING THE OUTPUT VOLTAGEUSING

B-6OPERATIONB-6MACHINE AND CIRCUIT PROTECTIONThe CV-300 Control PC Board has built-in diagnosticroutines to alert the operator when trouble exists.Whe

NOTESIDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC R

Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCACCESSORIESIDEALARC CV-300ACCESSORIES SECTION ...

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NOTESIDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC R

MAINTENANCEIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCMAINTENANCE SECTION ...

FOR ELECTRICALLYpowered equipment.6.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.6.b. Install equ

D-1MAINTENANCED-1SAFETY PRECAUTIONS• Have a qualified technician do the maintenanceand troubleshooting work.• Disconnect input power at main input sup

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NOTESIDEALARC CV-300Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC R

Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCTHEORY OF OPERATIONIDEALARC CV-300Figure E.1 - Block Logic Diagram.

E-1THEORY OF OPERATIONE-1IDEALARC CV-300INPUT LINE VOLTAGE, LINE SWITCHAND MAIN TRANSFORMERThe desired three phase input power is connected tothe CV 3

E-2THEORY OF OPERATIONE-2IDEALARC CV-300OUTPUT RECTIFICATION, FILTERING,CONTROL AND FEEDBACKThe main transformer secondary windings are con-nected to

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Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCTROUBLESHOOTING & REPAIRIDEALARC CV-300TROUBLESHOOTING & RE

iiiSAFETYiiiIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCMar. ’93ELECTRIC AND MAG-NETIC FIELDSmay

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F-8TROUBLESHOOTING & REPAIRF-8IDEALARC CV-300TROUBLESHOOTING GUIDE - Observe all Safety Guidelines detailed throughout this manualIf for any reaso

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F-10TROUBLESHOOTING & REPAIRF-10IDEALARC CV-300The CV-300 Meter PC Board displays error codeswhen certain trouble conditions exist. The error cod

ivSAFETYivIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCPRÉCAUTIONS DE SÛRETÉPourvotre propre prot

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Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i - vInstallation . . . . .

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F-22TROUBLESHOOTING & REPAIRF-22IDEALARC CV-3005ms20V0 VoltsCH1This is a typical output voltage generatedfrom a properly operating machine. Notet

F-23TROUBLESHOOTING & REPAIRF-23IDEALARC CV-3005ms20V0 VoltsCH1This is a typical CV output voltage generat-ed from a properly operating machine.

F-24TROUBLESHOOTING & REPAIRF-24IDEALARC CV-3005ms20V0 VoltsCH1This is not a typical CV output voltage wave-form. Note the “ripple” in the wavefo

F-25TROUBLESHOOTING & REPAIRF-25IDEALARC CV-3005ms20V0 VoltsCH1This is NOT the typical output voltage wave-form. Note the increased “ripple” in t

F-26TROUBLESHOOTING & REPAIRF-26IDEALARC CV-3005ms20V0 VoltsCH1This is not the typical output voltage wave-form. The output capacitors were disco

F-27TROUBLESHOOTING & REPAIRF-27IDEALARC CV-3002ms1V0 VoltsCH1This is the typical SCR gate pulse voltagewaveform. The machine was in an open cir-

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INSTALLATIONIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCINSTALLATION SECTION ...

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ELECTRICAL DIAGRAMSIDEALARC CV-300Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCTABLE OF CONTENTS- ELECTRICAL DIA

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