CIGWELD WeldSkill 200AC/DC - Servicing Hazards

SAFETY INSTRUCTIONS AND WARNINGS WELDSKILL 200AC/DC INVERTER
Manual 0-5206 1-7 Safety Instructions and Warnings
1.05 Servicing Hazards
!
WARNING
The symbols shown below are used throughout this
manual to call attention to and identify possible haz-
ards. When you see the symbol, watch out, and follow
the related instructions to avoid the hazard.
Only qualified persons should test, maintain, and
repair this unit.
Only qualified persons should test, maintain, and
repair this unit.
WARNING
ELECTRIC SHOCK can kill.
• Donottouchliveelectricalparts.
• TurnOffweldingpowersourceandwirefeederanddisconnect
and lockout input power using line disconnect switch, circuit
breakers, or by removing plug from receptacle, or stop engine
before servicing unless the procedure specifically requires an
energized unit.
• Insulateyourselffromground  bystandingorworkingon
dry insulating mats big enough to prevent contact with the
ground.
• Donotleaveliveunitunattended.
• Ifthisprocedurerequiresandenergizedunit,haveonlyper-
sonnel familiar with and following standard safety practices
do the job.
• Whentestingaliveunit,usetheone-handmethod.Donot
put both hands inside unit. Keep one hand free.
• Disconnectinputpowerconductorsfromde-energizedsupply
line BEFORE moving a welding power source.
SIGNIFICANT DC VOLTAGE exists after removal of input
power on inverters.
• TurnOff inverters, disconnectinput power, anddischarge
input capacitors according to instructions in Troubleshooting
Section before touching any parts.
WARNING
STATIC(ESD)candamagePCboards.
• PutongroundedwriststrapBEFOREhandlingboardsorparts.
• Useproperstatic-proofbagsandboxestostore,move,or
shipPCboards.
WARNING
FIREOREXPLOSIONhazard.
• Donotplaceuniton,over,ornearcombustiblesurfaces.
• Donotserviceunitnearammables.
WARNING
FLYINGMETALorDIRTcaninjureeyes.
• Wearsafetyglasseswithsideshieldsorfaceshieldduring
servicing.
• Becarefulnottoshortmetaltools,parts,orwirestogether
during testing and servicing.
WARNING
HOTPARTScancauseseverburns.
• Donottouchhotpartsbarehanded.
• Allowcoolingperiodbeforeworkingonequipment.
• To handlenotparts, use proper toolsand/orwear heavy,
insulated welding gloves and clothing to prevent burns.
WARNING
EXPLODINGPARTScancauseinjury.
• Failedpartscanexplodeorcauseotherpartstoexplodewhen
power is applied to inverters.
• Alwayswearafaceshieldandlongsleeveswhenservicing
inverters.
WARNING
SHOCKHAZARDfromtesting.
• TurnOffweldingpowersourceandwirefeederorstopengine
before making or changing meter lead connections.
• Useatleastonemeterleadthathasaself-retainingspring
clip such as an alligator clip.
• Readinstructionsfortestequipment.
WARNING
FALLINGUNITcancauseinjury.
• Useliftingeyetoliftunitonly,NOTrunninggear,gascylinders,
or any other accessories.
• Useequipmentofadequatecapacitytoliftandsupportunit.
• Ifusingliftforkstomoveunit,besureforksarelongenough
toextendbeyondoppositesideofunit.
WARNING
MOVINGPARTScancauseinjury,
• Keepawayfrommovingpartssuchasfans.
• Keepawayfrompinchpointssuchasdriverolls.
• Haveonlyqualiedpersonsremovedoors,panels,covers,or
guards for maintenance as necessary.
• Keephands,hair,looseclothing,andtoolsawayfrommoving
parts.