Lincoln Electric Cobramatic Operating instructions

Category
Welding System
Type
Operating instructions
7)2%&%%$%2 )-
-+
/CTOBER
/0%2!4/23-!.5!,
Cobramatic
®
For use with Push-Pull Torches model K1589, K1590, K1591, K1592
For use with code 10841
3AFETY$EPENDSON9OU
,INCOLNARCWELDINGEQUIPMENTIS
DESIGNEDANDBUILTWITHSAFETY
INMIND(OWEVERYOUROVERALL
SAFETYCANBEINCREASEDBYPROPER
INSTALLATIONANDTHOUGHTFULLOPER
ATIONONYOURPART
$/./4).34!,,/0%2!4%
/22%0!)24()3%15)0-%.4
7)4(/542%!$).'4()3
-!.5!,!.$4(%3!&%49
02%#!54)/.3#/.4!).%$
4(2/5'(/54!NDMOST
IMPORTANTLYTHINKBEFOREYOUACT
ANDBECAREFUL
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: www.lincolnelectric.com
World’s Leader in Welding and Cutting Prodcuts Premier Manufacturer of Industrial Motors
This manual covers equipment which is no
longer in production by The Lincoln Electric Co.
Specications and availability of optional
features may have changed.
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Table of Contents
Saftey Guidelines ............................................................................2
Installation.........................................................................Section A
Technical Specifications .....................................................................10
Machine Grounding ...........................................................................10
Machine Location ..............................................................................10
Input Power Connections ...................................................................10
Wire Threading Procedure .................................................................11
Welding Torch Connections ................................................................11
Operations..........................................................................Section B
General Description ...........................................................................12
Recommended Processes and Equiment .............................................12
Controls and Settings ........................................................................12
POSA Start Operating Procedure ........................................................12
Accessories.........................................................................Section C
Optional Kits .....................................................................................14
Maintenance.......................................................................Section D
Routine Maintenance.........................................................................14
Testing the Feeder ............................................................................15
Testing the Torch ..............................................................................16
Troubleshooting ................................................................. Section E
Troubleshooting Guide.......................................................................17
Diagrams/Parts List .......................................................... Section F
Main PC Boards.................................................................................19
Mechanical .......................................................................................20
Electrical...........................................................................................27
Warranty Repair Stations
Safety Warnings
Warranty
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Section A Installation
Technical Specifications
7IRE$IAMETER#APACITY v!,,4YPES
7IRE#APACITY  v3TANDARD
)NSULATEDOR.ON)NSULATED
0OWER)NPUT  6!#(Z
 7ATTS0EAKAMPS
7EIGHTPOUNDS
3HIPPING7EIGHT POUNDS
&OR5SEWITHTHESE,INCOLN4ORCHES +++
 +
Support Equipment Required
#6OR##0OWER3OURCEOF3UFlCIENT#APACITYFOR9OUR.EEDS
2EGULATED'AS3UPPLYAND(OSES
0ROPERLY3IZED0OWER,EADSFROM0OWER3OURCETO7IRE&EEDERAND'ROUND
Coolant Recommendations
7ATER3OURCEAND(OSE#APABLEOF0ROVIDINGA-INIMUMOFQTMINAT
PSIWHENUSINGWATERCOOLEDTORCHES
5SEANAMEBRANDADDITIVEWHICHDOESNOTCONTAINREACTIVESULPHUROR
CHLORINEANDDOESNOTREACTWITHCOPPERBRASSORALUMINUM
#HECKCOOLANTPERIODICALLYTOREMAINWITHINLIMITSOFTHEFOLLOWING
!#OOLANT&LOWRATEQUARTMINUTEATPSI
"2ESISTIVITY+OHMSCENTIMETER
#0H2ANGE
$0ARTICLE3IZEv
-+2ECOMMENDED#OOLANT3OLUTION
PARTETYLENEGLYCOL
PARTSDISTILLEDWATER
TEASPOONLIQUIDGLYCERIN
Machine Grounding
4HE#OBRAMATIC§AND'-!7WIREFEEDERSAREGROUNDTOTHEPOWERSOURCE
THROUGHTHEINPUTCABLE4HEPOWERSOURCEGROUNDINGTERMINALMUSTBE
PROPERLYCONNECTEDTOELECTRICALGROUNDPERTHEPOWERSOURCEOPERATING
MANUAL
Mounting Location
4HECABINETSHOULDBEPLACEDINALOCATIONWHEREITCANBEPROTECTEDFROM
DAMAGE,EADLENGTHSANDACCESSIBILITYMUSTALSOBECONSIDEREDWHEN
INSTALLINGTHECABINET
Input Power Connections
9OUR7IRE&EEDERCOMESFACTORYREADYWITHAHARNESSTOPLUGDIRECTLYINTOALL
PIN,INCOLN0OWER3OURCESEQUIPPEDWITH6!#AUXILIARY
4HE6!#ISCONNECTEDTOTHE0#"OARDONTERMINALSTRIP*NEUTRAL
ANDHOTAND'ROUNDTOTHE#ABINETCHASSIS3EEDIAGRAMINTHE
APPENDIX
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Wire Threading Procedure
Wire Spool Installation
2ELEASELATCHESANDOPENRIGHTSIDEDOOROFCABINET
2EMOVESPOOLRETAINERFROMSPINDLEHUB
2AISEWIRERETAINERBARTOLATCHEDPOSTION
)NSTALLWIRESPOOLONTOSPINDLEHUBSOTHATWIREFEEDSFROMBOTTOMOFSPOOL
TOWARDSSLAVEMOTOR-AKESURETHATTHEHOLEINTHESPOOLALIGNSWITHPIN
ONSPINDLEHUB4HEWHITEDOTONTHEENDOFTHESPINDLEHUBWILLAIDIN
THISALIGNMENT
2EPLACETHESPOOLRETAINERNUT
,OWERTHEWIRERETAINERBARONTOTHESPOOL
Threading Procedure
0LACEWIRESIZESELECTORSWITCHONFRONTPANELTOTHECORRECTPOSITIONFORTHE
WIREBEINGUSED
,OOSENENDOFWIREFROMSPOOLANDCUTOFFANYKINKEDORBENTPORTIONS
5NREELANDSTRAIGHTENOUTlRSTvTOvOFWIRE
2AISEWIRETYPELEVERTOCENTERPOSITION
2OUTEWIREINTOINLETGUIDEALONGDRIVEROLLGROOVEANDINTOWIRECONDUIT
&LIPWIRETYPELEVERTOSHOWTYPEOFWIREBEINGUSED
4IGHTENTHETORCHPRESSUREADJUSTINGKNOBSOTHEWIREWILLBEPICKEDUPAND
FEDTHROUGHTHECONTACTTIP0ROPERTENSIONISACHIEVEDWHENWIREDOESNOT
SLIPIFASMALLAMOUNTOFPRESSUREISADDEDTOTHEWIREASITEXITSTHETIP
Wire Retainer Bar
4HEDESIGNOFTHEPATENTED#OBRAMATIC§7IRE2ETAINER"ARPERFORMSTWO
VERYIMPORTANTANDVERYBASICFUNCTIONSOFTHEWIREFEEDERASPOOLDRAG
TENSIONANDBWIREMAINTENANCEONTHESPOOL
4HESPOOLDRAGTENSIONISSETBYLOWERINGTHEWIRERETAINERBARONTOTHEWIRE
INSIDEOFTHESPOOL4HESPRINGTENSIONOFTHEWIRERETAINERBARAPPLIESENOUGH
PRESSUREONTHESPOOLSOTHATWHENTHETORCHTRIGGERISRELEASEDENGAGINGTHE
BRAKEPALLTHESPOOLDOESNOTOVERRUNKICKINGWIREOFFTHESPOOL
7IREMAINTENANCEONTHESPOOLISPERFORMEDBYTHEAPPLIEDPRESSUREOFTHE
WIRERETAINERBARSPREADACROSSTHECOILEDWIREONTHESPOOL4HEREPLACEABLE
PAD0.OFTHEWIRERETAINERBARISDESIGNEDTOHOLDTHEWIREON
THESPOOLMAINTAININGTHESMOOTHLAYERINGOFTHEWIREANDKEEPINGITFROM
JUMPINGOFFANDPOSSIBLYELECTRICALLYSHORTINGTOTHECABINETCHASSIS
Welding Torch Connections
Work Cable
#ONNECTAWORKLEADOFSUFlCIENTSIZEANDLENGTHSEETABLEBELOWBETWEEN
THEPROPEROUTPUTSTUDONTHEPOWERSOURCEANDTHEWORK"ESURETHE
CONNECTIONTOTHEWORKMAKESTIGHTMETALTOMETALELECTRICALCONTACT0OOR
WORKLEADCONNECTIONSCANRESULTINPOORARCINITIATIONPOORWELDRESULTSAND
ACTIVATIONOFTHEGROUNDLEADPROTECTOR
7ORK,EAD,ENGTHS
#URRENT 5PTOFT FT
$UTY#YCLE M M
! MM MM
! MM MM
! MM MM
! MM MM
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Control Cable
4HE0INh7v#LOCKEDCONNECTORSCREWSONTOTHEMATINGRECEPTACLEONTHE
FRONTPANELOFTHEWIREFEEDER4HISPROVIDESALLELECTRICALSIGNALSMOTOR
VOLTAGEPOTENTIOMETERCONTROLTRIGGERTOANDFROMTHEFEEDERTOTHETORCH
Wire Conduit Inlet
&RONTPANELACCESSTOATTACHCONDUITTOFRONTOFSLAVEMOTORASSEMBLY
Power Cable Inlet
&RONTPANELACCESSTOATTACHPOWERCABLEAIRORWATERTOTOPOFPOWERBLOCK
Gas Inlet
&RONTPANELACCESSTOATTACHGASHOSETOBOTTOMlTTINGOFPOWERBLOCK
Water Inlet (For Water Cooled Torches)
&RONTPANELACCESSTOCONNECTTHEWATERHOSETOTHEMIDDLElTTINGONTHE
POWERBLOCK
Section B Operation
General
4HE!#SLAVEMOTORINTHEFEEDERRUNSATAFASTCONSTANTSPEEDBUTHASVERY
LOWTORQUE)TISALWAYSTRYINGTOFEEDMOREWIRETHANTHETORCHMOTORWANTS
ANDWHENTHEMOTORGETSALLITWANTSITSLOWSTHESLAVEMOTORPREVENTINGA
BIRDSNEST"ECAUSEOFTHELOWTORQUEPRODUCEDBYTHESLAVEMOTORABRAKE
SYSTEMISUSEDTOPREVENTWIREOVERRUNRATHERTHANTENSION4HESPOOLDRAG
TENSIONISPRODUCEDBYTHEPATENTED7IRE2ETAINER"ARMECHANISMTOKEEP
THEWIRESLIGHTLYTAUT4HE6$#TORCHPULLMOTORISCONTROLLEDBYASOLID
STATESPEEDCONTROLANDAPOTENTIOMETERLOCATEDINTHETORCH
Recommended Processes and Equipment
4HE#OBRAMATIC§ISRECOMMENDEDFORUSEINTHE'-!7AND&#!7WELDING
APPLICATIONS)TISRECOMMENDEDFORUSEWITHCONSTANTVOLTAGEPOWERSOURCES
4HE#OBRAMATIC§ISCAPABLEOFFEEDINGWIRESDIAMETERCAPACITYRANGING
FROMvTHROUGHvSOLIDCOREDANDvTHROUGHvALUMINUM
Controls and Settings
On/Off Switch
0LACINGTHESWITCHINTHEh/.vPOSITIONENERGIZESTHEFEEDERCIRCUITRYANDTHE
POWERINDICATORLIGHT
Wire Size Selector Switch
4HEWIRESIZESELECTORSWITCHCHANGESTHETORQUEOFTHESLAVEMOTORFORTHE
WIREYOUAREUSING7HENINTHEALUMINUMONLYPOSITIONTHESLAVE
MOTORPRODUCESAPPROXIMATELYLBSINCHESANDAPPROXIMATELYLBS
INCHESWHENINTHEALLOTHERWIRESPOSITION
./4%
/PERATINGTHECABINETWITHTHESWITCHINTHEWRONG
POSITIONWILLCAUSEWIREFEEDDIFlCULTIES
Posa Start Controls
4HE0OSA3TART2UNIN3PEED#ONTROLLOCATEDONTHEFRONTPANELPROVIDES
ADJUSTMENTFORSLOWWIRERUNIN/NCETHEARCHASBEENESTABLISHEDTHE
WIREFEEDSPEEDISAUTOMATICALLYCHANGEDFROMTHESLOWRUNINSPEEDTOTHE
WELDINGSPEEDSETONTHETORCHPOTENTIOMETER
Posa Start Operating Procedure
General
4HE0OSA3TART2UNIN3PEED#ONTROLLOCATEDONTHEFRONTPANELPROVIDES
#OBRAMATIC
®
/WNERS-ANUALPAGE
ADJUSTMENTFORSLOWWIRERUNIN/NCETHEARCHASBEENESTABLISHEDTHE
WIREFEEDSPEEDISAUTOMATICALLYCHANGEDFROMTHESLOWRUNINSPEEDTOTHE
WELDINGSPEEDSETONTHETORCHPOTENTIOMETER
4HE0OSA3TARTFEATUREALLOWSTHE#OBRAMATIC§TOBEUSEDINCOMBINATION
WITHCONSTANTCURRENT$#WELDINGPOWERSOURCESOFOPENCIRCUITVOLTAGEIN
EXCESSOFVOLTSALSOANYCONSTANTVOLTAGEWELDINGPOWERSOURCECAPABLE
OFAMINIMUMOFAMPS
.OTE
2EVERSEPOLARITY-534BEUSED
Posa Start Connections
!TTACHTHESINGLEBLACKLEADWHICHEXTENDSFROMTHEBACKOFTHECABINET
TOTHENEGATIVETERMINALOFTHEPOWERSUPPLYORWORKGROUNDUNLESSALREADY
ATTACHEDTHROUGHAPINAMPHENOLSUPPLIESWITHTHECABINET4HE0OSA
3TARTLEADISINTERNALLYCONNECTEDTOTHE0#BOARDONTERMINALSTRIP*
TERMINAL
CV Posa Start Operations
!TTACH#OBRAMATIC§TO#6POWERSOURCEACCORDINGTOTHEINSTALLATIONINSTRUC
TIONS
4URNTHE#OBRAMATIC§TOTHEh/.vPOSITIONANDTHE0OSA3TARTTOTHEh/&&v
POSITION
!DJUSTPOWERSOURCETODESIREDVOLTAGEFORYOURWELDCONDITION
$EPRESSGUNTRIGGERANDADJUSTWIREFEEDSPEEDATGUNTOMATCHVOLTAGE
SETTING)FAPPROXIMATEWIREFEEDISNOTKNOWNITISBETTERTOSTARTWITHEXCESS
WIREFEEDRATHERTHANTOOLITTLEINORDERTOPREVENTAhBURNBACKv
4URNTHE0OSA3TARTSWITCHTOTHEh/.vPOSITION0RESSTORCHTRIGGERAND
USING2UNIN3PEED#ONTROLADJUSTWIREFEEDRATETOAPPROXIMATELYOF
WELDINGWIRESPEEDSETATTORCH
3TRIKEANARCANDADJUSTWIREFEEDRATEATGUNUNTILCORRECTCONDITIONIS
ACHIEVED
CC Posa Start Operation
!TTACHTHE#OBRAMATIC§TOA##POWERSOURCEACCORDINGTOTHEINSTALLATION
INSTRUCTIONS
)NSUREPOWERSUPPLYHIGHFREQUENCYSWITCHISINTHEh/&&vPOSITIONAND
POWERSUPPLYISSETTO$#REVERSEPOLARITY
4HEPOWERSUPPLYCONTACTORSHOULDBESETTOh2EMOTEvORh4IGvANDTHE
AMPERAGECONTROLSETTOh0ANELvORh3TANDARDvDEPENDINGONPOWERSUPPLY
4URNTHE#OBRAMATIC§POWERSWITCHTOTHEh/.vPOSITIONANDTHE0OSA3TART
SWITCHTOTHEh/&&vPOSITION
!DJUSTPOWERSOURCETODESIREDAMPERAGEFORYOURWELDCONDITION
0RESSGUNTRIGGERANDADJUSTWIREFEEDSPEEDATGUNTOMATCHCURRENTSETTING
)FAPPROXIMATEWIREFEEDSPEEDISNOTKNOWNITISBETTERTOSTARTWITHEXCESS
WIREFEEDRATHERTHANTOOLITTLEINORDERTOPREVENTPOSSIBLEDAMAGETOTHE
CONTACTTIP
4URN0OSA3TARTSWITCHTOTHEh/.vPOSITION0RESSTORCHTRIGGERANDUSING
2UNIN3PEED#ONTROLADJUSTWIREFEEDSPEEDTOAPPROXIMATELYOFWELD
INGWIRESPEEDSETATTORCH
3TRIKEANARCIFTHEWIRESTUBSOUTREDUCEWIREFEEDRATEATGUNORINCREASE
AMPERAGESETTINGONPOWERSOURCE
#OBRAMATIC
®
/WNERS-ANUALPAGE
./4%
"ECAUSETHE0OSA3TART2UNIN3PEEDALWAYSREMAINSAPERCENTAGE
OFTHEACTUALWELDINGWIREFEEDRATETHE0OSA3TARTRUNINSPEED
WILLALWAYSSLOWDOWNORSPEEDUPPROPORTIONALTOANY
ADJUSTMENTYOUNOWMAKEATTHEGUN4HEREFOREIFYOUSLOWDOWN
THEWELDINGWIREFEEDSPEEDYOUWILLHAVETOINCREASE
THE2UNIN3PEEDSETTING
Section C OPTIONAL KITS
4HEFOLLOWINGISALISTOF/PTIONAL+ITSAVAILABLEFORTHE#OBRA§67IRE&EEDER
!DETAILEDDESCRIPTIONOFEACHKITISGIVENLATERINTHISSECTION
0.
$ESCRIPTION
 'AS0URGE4RIGGER,ATCH+IT
 7ATER0RESSURE+IT
005-0674 Gas Purge/Trigger Latch Kit
4HE'AS0URGE4RIGGER,ATCH+ITISADUALFUNCTIONKITBUILTINTOONE4HEKIT
INCLUDESANEASYTOINSTALLINTERFACECONTROL0#BOARDA6!#SOLENOIDFOR
PREANDPOSTPURGECONTROLAMODIlEDVALVESTEMFORTHEWELDINGTORCHANDA
FRONTPANELSWITCHFORACTIVATINGTHE4RIGGER,ATCHMECHANISM
4HEGASCONTROLTIMESHAVEBEENPRESETTOSECONDSPREPURGEAND
SECONDSPOSTPURGE4HISOFFERSANOPTIMUMAMOUNTOFINERTGASSHIELDING
PRIORTOSTRIKINGTHEARCANDAFTERTHEARCHASBEENEXTINGUISHED
4HE4RIGGER,ATCHMECHANISMGIVESTHEOPERATORTHEmEXIBILITYOFNORMAL
TRIGGEROPERATIONPULLTRIGGERTOWELDRELEASETRIGGERTOSTOP4HISALSO
OFFERSTHECOMFORTOFLATCHEDTRIGGEROPERATIONPULLTRIGGERONCETOLATCHAND
WELDPULLTRIGGERAGAINTOUNLATCHANDSTOP
005-0675 Water Pressure Kit
"YMONITORINGTHEPRESSUREFROMTHEWATERRECIRCULATORTHESWITCHUSESTHE
PRESSUREASTHEKEYSAFETYELEMENTINPROTECTINGTHETORCHFROMOVERHEATING
WHILEWELDING)FTHEREISALOSSOFWATERPRESSURETHESWITCHWILLKEEPTHE
ARCFROMIGNITINGSONOWELDINGTAKESPLACEWITHOUTWATERCOOLINGTHETORCH
4HEBENElTOFTHEWATERPRESSURESWITCHFAREXCEEDSTHEMINIMALCOSTOFITS
PURCHASEANDINSTALLATION
4HISKITWHENINSTALLEDINTOTHEWIREFEEDERISPHYSICALLYADAPTABLETOALL
MAKESANDSMODELSOFWATERRECIRCULATORSUSINGSTANDARDlTTINGSLEFTHAND
THREADED
Section D Maintenance
Routine Maintenance
-AINTENANCEOFTHETORCHWILLNORMALLYCONSISTOFAGENERALCLEANINGOF
THEWIREGUIDESYSTEMINCLUDINGTUBESDRIVEROLLSANDCONDUITSATREGULAR
INTERVALS

          
           
    
       
     
#OBRAMATIC
®
/WNERS-ANUALPAGE
2EMOVESPATTERBUILDUPFROMINSIDEOFNOZZLESWITHAHARDWOODSTICK
4HEONLYPARTSONTHE#OBRAMATIC§SYSTEMTHATARESUBJECTTONORMALWEAR
ARETHECONDUITCONTACTTIPSGASCUPSFRONTBODYLINERSWIREGUIDESDRIVE
ANDIDLERROLLS!SUPPLYOFTHESEPARTSSHOULDBEMAINTAINEDONHAND
)FREPAIRSDOBECOMENECESSARYANYPARTCANEASILYBEREPLACEDBYAQUALI
lEDSHOPMAINTENANCEMAN
9OUR#OBRAMATIC§ISDESIGNEDTOPROVIDEYEARSOFRELIABLESERVICE.ORMAL
WEARANDCOMPONENTFAILUREMAYREQUIREOCCASIONALSERVICE
4HENUMBEROFUNITSINOPERATIONANDTHEIMPORTANCEOFMINIMALhDOWNTIMEv
WILLDETERMINETOWHATEXTENTSPAREPARTSSHOULDBESTOCKEDONHAND
Testing the Feeder
Relay K2 Operation
7HENTHETORCHTRIGGERISPRESSED6!#ISSENTTOTHECOILOFRELAY+
7HEN+ISENERGIZED!#ISSENTTOTHESLAVEMOTORSPOOLBRAKEANDTHE
!#CONTACTOR2ELAY+ISALSORESPONSIBLEFORSENDING6!#TOTHESPEED
CONTROLCIRCUITANDSHORTINGTHETORCHMOTORLEADSTOGETHERWHENTHETRIGGER
ISRELEASEDFORTHEDYNAMICBRAKINGSYSTEM+ALSOPROVIDESTHECLOSING
CONTACTORSIGNAL
Testing the Input Power Circuits
4HE!#CIRCUITSAREPROTECTEDBYFUSES&AND&)F&AND&CONTINUALLY
BLOWREMOVE*"RAKE3OLENOID*SLAVEMOTORAND*!##ONTAC
TORFROMTHE0#"OARD2EPLACEFUSEANDRETRIGGERSYSTEM)FFUSEDOES
NOTBLOWISOLATETHEPROBLEMBYPLUGGINGIN**AND*ONEATATIME
UNTILTHEFUSEBLOWS
Testing the Speed Control
./4%
4HETORCHSHOULDBETESTEDlRSTANDTHEAMPHENOLMUSTBECONNECTEDTOTHE
#OBRAMATIC§TOPERFORMTHISTEST
0LACEAVOLTMETERACROSSDIODE$ANDPRESSTORCHTRIGGER!READINGOF
6$#SHOULDBEOBSERVEDASTHETORCHPOTENTIOMETERVARIED

6$#
$
#OBRAMATIC
®
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Testing the Torch
Motor Check
2EMOVETHEAMPHENOLCONNECTORFROMTHECABINET
5SINGTHETORCHAMPHENOLCHECKTHERESISTANCEACROSSPINSh!vAND
h"vMOTORLEADS4HERESISTANCEACROSSTHEMOTORSHOULDBEBETWEEN
OHMS
)FANOPENCIRCUITORSHORTEXISTCHECKTHEMOTORLEADSANDMOTORINDEPEN
DENTLY
Testing the Potentiometer - “W” Clocked
5SINGTHETORCHAMPHENOLCHECKTHERESISTANCEACROSSPINh$vWIPERAND
PINh#v4HERESISTANCESHOULDVARYFROM+OHMS
#HECKTHERESISTANCEACROSSPINh$vWIPERANDPINh'v4HERESISTANCE
SHOULDVARYFROM+OHMS
Testing the Micro Switch
5SINGTHETORCHAMPHENOLCHECKFORCONTINUITYACROSSPINSh%vANDh&vWHEN
THETRIGGERISPRESSED
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Section E Troubleshooting
'.)4//(3%,"5/24'.)4//(3%,"5/24
'.)4//(3%,"5/24
'.)4//(3%,"5/24'.)4//(3%,"5/24
-/40-93-/40-93
-/40-93
-/40-93-/40-93
%35!#%35!#
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#OBRAMATIC
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Section F Appendices
Diagrams/Parts List
Main P.C. Board Connections..............................................19
001-4012 Cobramatic Assembly..........................................20
003-2112 Cobramatic Front Panel Assembly ........................22
003-2068 Cobramatic Slave Motor Assembly .......................23
003-2063 Cobramatic Power Block Assembly.......................24
003-2061 Cobramatic Spindle Brake Assembly.....................25
843-0496 Cobramatic Control Cable....................................26
071-0386 Cobramatic Block Diagram ..................................27
071-0270 Cobramatic Main P.C. Board ................................28
071-0367 Cobramatic Torch Connections ............................29
003-1721 Main P.C. Board Parts Placement .........................30
003-2001 Front Panel Circuit Board ....................................32
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Main P.C. Board Connections
J14
J2
J1
J3
J4
J13
&2/.40!.%,
&2/.40!.%,
"2!+%3/,%./)$
J7
J8
J5J6
3,!6%-/4/2
42!.3&/2-%2
)NPUT0OWER6!#
)NPUT0OWER6!#
#HASIS'ROUND
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#LOSING#ONTACTS/UT
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-+0.
#OBRAMATIC
®
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001-4012 Cobramatic Assembly
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Lincoln Electric Cobramatic Operating instructions

Category
Welding System
Type
Operating instructions

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