Lincoln Electric IDEALARC SVM136-A Manual do Utilizador

SVM136-ANovember 1997Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. However, your overall saf

GROUND CONNECTIONThe frame of the welder must be grounded. An earthgrounding lead must be connected to the groundingterminal, marked on the input box

ELECTRICAL DIAGRAMSG-6 G-6IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R

ELECTRICAL DIAGRAMSG-7 G-7IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R

NOTESG-8 G-8IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Maste

Have a qualified electrician connect the input powerleads to the L1, L2, and L3 terminals of the input con-tactor. Follow all national and local elect

RECONNECT PROCEDUREMultiple input voltage welders are shipped from the fac-tory connected for the highest voltage listed on themachine's rating p

INSTALLATIONA-7 A-7IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return t

CONNECT WIRE FEEDERSThe wire feeder control cable can connect to the CV-400 at the 14-pin amphenol on the front of the machine(with the appropriate ad

Section B-1 Section B-1IDEALARC CV-400TABLE OF CONTENTS- OPERATION SECTION -Operation...

OPERATIONB-2 B-2IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to M

GENERAL DESCRIPTIONThe IDEALARC CV-400 is an SCR controlled three-phase input, DC output power source for welding. Ituses a single range potentiometer

WELDING CAPABILITY The CV-400 has the following duty cycle ratings. If theduty cycle is exceeded, a thermal protector will shut offthe machine output

1. POWER SOURCE PILOT LIGHT: This light indi-cates that the power source input contactor is ener-gized (closed). This also means that the main powertr

SAFETYi iIDEALARC CV-400FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work re

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OVERLOAD PROTECTIONThe power source is thermostatically protected withproximity thermostats against overload or insufficientcooling. One thermostat is

NOTESB-8 B-8IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Maste

TABLE OF CONTENTS- ACCESSORIES -Accessories...

OPTIONS/ACCESSORIESThe following options/accessories are available for yourCV-400 from your local Lincoln Electric Distributor.FACTORY INSTALLED OPTIO

ELECTRIC SHOCK can kill.• Only qualified personnel should per-form this maintenance.• Turn the input power OFF at the dis-connect switch or fuse box b

5. Extend wire feeder control cable lead #21 so it canbe connected directly to the work piece.a. Make a bolted connection using AWG #14 or larg-er ins

ACCESSORIESC-5 C-5IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

ACCESSORIESC-6 C-6IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

CONNECTING THE LN-8 OR LN-9 TO THEIDEALARC CV-4001. Set the CV-400 POWER toggle switch to the OFF (0)position. 2. Disconnect main AC input power to t

SAFETYii iiIDEALARC CV-400ARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of t

NOTESC-8 C-8IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Maste

Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCSection D-1 Section D-1IDEALARC CV-400TABLE OF CONTENTS-MAINTENANCE

SAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Only qualified personnel should performthis maintenance.• Turn the input power OFF at the discon-nect swit

MAINTENANCED-3 D-3IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

NOTESD-4 D-4IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Maste

Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCSection E-1 Section E-1IDEALARC CV-400Theory of Operation ...

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THEORY OF OPERATIONE-3 E-3IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R

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SCR OPERATIONA silicon controlled rectifier (SCR) is a three-terminaldevice used to control rather large currents to a load.An SCR acts very much like

IDEALARC CV-400FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8

NOTESE-6 E-6IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Maste

Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCSection F-1 Section F-1IDEALARC CV-400Troubleshooting & Repair

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SAFETYiv ivIDEALARC CV-400PRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté speci

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TEST FOR CONTACT CONTINUITY1. Disconnect the main input supply power to themachine.2. Remove the two leads connected to the input con-tactor coil, #23

MAIN TRANSFORMER (T1) VOLTAGE TESTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repairs perfo

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MASTER TABLE OF CONTENTS FOR ALL SECTIONSv vIDEALARC CV-400PageSafety ...

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STATIC SCR/DIODE RECTIFIER BRIDGE TESTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repairs p

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ACTIVE SCR TESTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipm

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TABLE OF CONTENTS- INSTALLATION SECTION -Section A-1 Section A-1IDEALARC CV-400Installation...

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INPUT CONTACTOR (CR1) CLEANING/REPLACEMENTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repai

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FAN MOTOR AND BLADE REMOVAL AND REPLACEMENTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repa

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SCR/DIODE RECTIFIER ASSEMBLYREMOVAL AND REPLACEMENTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthori

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SCR REMOVAL AND REPLACEMENTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repairs performed on

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MOUNTING OF STUD TYPE DIODESTO ALUMINUM HEAT SINKSService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthoriz

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MAIN TRANSFORMER REMOVAL AND REPLACEMENTService and repair should be performed by only Lincoln Electric factory trained personnel.Unauthorized repairs

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Read this entire installation section before youstart installation.SAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Do not touch electrically liveparts suc

3. Install the bottom primary coils, one on each of thethree legs of the bottom iron assembly. The coilsmust be in correct position (left, center, r

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REASSEMBLING THE MAINTRANSFORMER INTO THE MACHINENOTE: The following procedure assumes you havecompletely reassembled the transformer coilsas describ

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NOTESF-54 F-54IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Mas

ELECTRICAL DIAGRAMSG-1 G-1IDEALARC CV-400Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCElectrical Diagrams Sectio

ELECTRICAL DIAGRAMSG-2 G-2IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R

ELECTRICAL DIAGRAMSG-3 G-3IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R

ELECTRICAL DIAGRAMSG-4 G-4IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R

ELECTRICAL DIAGRAMSG-5 G-5IDEALARC CV-400Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC R