17
6
6
6
6Operation
Operation
Operation
Operationprecautions
precautions
precautions
precautions
6.1
6.1
6.1
6.1Precautions
Precautions
Precautions
Precautions
�
Machinelifting:useforklifttruckorcraneformachinelifting.Thismachinehasnohangingrings;please
payattentiontothefixturewhenliftthemachinewithcrane.
�Inputcablespecs:Toconnectdistributionboxandmachine,thecablehastobe4×6mm2forMIG500and
4×4mm2forMIG350/400.Thebreakerorfuseindistributionboxhastobebiggerthan60AforMIG500and
40AforMIG350/400.
�Grounding:pleaseconnectmachineinputcablesyellow-greenwiretoPGND.
�Coolingtype:aircooling.Pleasemakesuremachineiswellventilatedandthereisnothingonthewayof
inletandoutlet.
�IPclass:IP23。
�Dutycircle:Machinewillstopweldingoutputwhenunderover-heatprotection.
�
Powersourceinclinationangle:lessthan15°ormachinecaneasilytoppleover.
�Workingenvironment:shouldmeetthefollowingrequirements:
a.Temperature:Duringwelding-10℃~+40℃,
Duringtransportationandstorage-25℃~+55℃
Remark:
Remark:
Remark:
Remark:Whenusingtheradiator,pleaseavoidusingorstorageundercoolant’ssolidification
temperature.Pleasemakesurethereisnocoolantleftintheradiatorforstorageunderlow
temperature.
b.Relativeairhumidity:lessthan50%whenunder40℃;lessthan90%whenunder20℃.
c.Thedust,acidandcorrosivegasandmattersintheaircannotexceednormalstandard,excludingthose
mattersgeneratedfromnormalwelding.
�Donotusethismachineforpipeunfreezing.
�Don’tlethand,hairorothertoolstocontactlivepartswhenmachineispoweredon,eg,fan,sothattoavoid
anyinjuryormachinedamage.
�Avoidwaterorvapourenteringmachineinside;incaseithappens,pleasedrythemachineinternalstructure.
Thenuseamega-metertotestmachine’sinsulation(includingwiretowireconnectionandwiretomachine
enclosureconnection.).weldingcanberesumedonlyaftertheconfirmationofnoabnormity.
�
Therearerateddutycircleforbothmachineandtorch.Pleasedonotover-loadthem.
�
Pleaseuseproperweldingcable:whencablesizeistoosmall,therewillbeinsufficientcurrent,
therefore,unstablearc;thereisnooutputratingandcablecanbeeasilyburned.
�
Pleaseguaranteetheconnectioniscorrect;pleasepayattentiontopolarityduringconnection.
�
Watercoolingtorch:pleasemakesurecoolantpressureandwaterflowisunder1-2kg/cm2sothattoavoid
burningthetorch.Evenunderlowcurrentwelding,thetorchneedstobewater-cooled,orelsenowelding
canbecarriedout.
�
Unblockedgaspipeandwaterpipe:torchburntandweldingdefectmightbecausedifthereareheavyitems
beingplacedonwaterpipeorgaspipe,orthepipesarebentandthereisnogasflowandwaterflow.
�
Takegoodcareofthetorch:inappropriatetorchoperationcancausewiredisconnection,water-leak,gasleak
ornozzlefailure.
�Theremightbegasleakorlackofgasflowontorchnozzleifflowmeterorgaspipeconnectionisnottight
enough,whichmightaffectgasprotectioneffectsandcauseweldporosity.Pleasecheckifthereisanygas
detectionwithsoap-suds.
�Reliablegrounding:pleasemakesurethegroundconnectionbetweenmachineandpowersupply,machine