Graco Pro Xp H60T10 - Electrical Tests; Test Gun Resistance

ElectricalTests
Electrical Electrical
Electrical
Tests Tests
Tests
Electricalcomponentsinsidethegunaffect
performanceandsafety.Usethefollowing
procedurestotesttheconditionofthepowersupply
andgunbody,andelectricalcontinuitybetween
components.
NOTICE NOTICE
NOTICE
Thegunbodyresistorcartridgeispartofthebody
andisnotreplaceable.Toavoiddestroyingthegun
body,donotattempttoremovethebodyresistor.
UsemegohmmeterPartNo.241079(AA)withan
appliedvoltageof500V.Connecttheleadsas
shown.
MegohmmeterPartNo.241079(AA-seeFig.17)
isnotapprovedforuseinahazardouslocation.
Toreducetheriskofsparking,donotusethe
megohmmetertocheckelectricalgrounding
unless:
•Thegunhasbeenremovedfromthehazardous
location;
•Orallsprayingdevicesinthehazardous
locationareturnedoff,ventilationfansinthe
hazardouslocationareoperating,andthereare
no󰘱ammablevaporsinthearea(suchasopen
solventcontainersorfumesfromspraying).
Failuretofollowthiswarningcouldcause󰘰re,
explosion,andelectricshockandresultinserious
injuryandpropertydamage.
Test Test
Test
Gun Gun
Gun
Resistance Resistance
Resistance
1.Flushanddrythe󰘱uidpassage.
2.Measureresistancebetweentheelectrode
needletip(25a)andtheairswivel(21).The
resistanceshouldbe:
•106–150megohmsfor60kVguns
•150–195megohmsfor85kVguns
Ifoutsidethisrange,goto
TestPowerSupplyResistance,page33.Ifin
range,seeElectricalTroubleshooting,page37for
otherpossiblecausesofpoorperformance.
Figure17TestGunResistance
323A2495K