Graco EcoQuip 2 - Pressure Relief Procedure; Grounding (ATEX Systems Only)

PressureReliefProcedure
Pressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
FollowthePressureReliefProcedure
wheneveryouseethissymbol.
Thisequipmentstayspressurizeduntilpressure
ismanuallyrelieved.Tohelppreventserious
injuryfrompressurized󰘱uid,suchassplashing
󰘱uid,followthePressureReliefProcedurewhen
instructed.
1.Closetheabrasiveballvalve(M).
2.Closethecompressorsupplyairvalve,thenturn
thecompressoroff.
3.Engagetheblastcontrolswitch(B)torelieve
pressureinthesystem.
4.Verifythatthesupplypressuregauge(ZC)reads
0psi.Thendisconnecttheairinlethosefromthe
system.
5.Turntheselectorvalve(W)toBLAST.
6.Openthepotdumpvalve(J)untilthepot
pressuregauge(L)reads0psi.
Grounding Grounding
Grounding
(ATEX (ATEX
(ATEX
systems systems
systems
only) only)
only)
Theequipmentmustbegroundedtoreducethe
riskofstaticsparking.Staticsparkingcancause
fumestoigniteorexplode.Groundingprovidesan
escapewirefortheelectriccurrent.
Systems: Systems:
Systems:
Usesuppliedgroundwireandclamp
(237686).
Air Air
Air
and and
and
󰘱uid 󰘱uid
󰘱uid
hoses: hoses:
hoses:
UseonlygenuineGraco
conductiveblasthoseswithamaximumof150ft(45
m)combinedblasthoselengthtoensuregrounding
continuity.Checktheelectricalresistanceoftheblast
hoses.Ifthetotalresistancetogroundexceeds29
megaohms,replacetheblasthoseimmediately.
Air Air
Air
compressor: compressor:
compressor:
followmanufacturer’s
recommendations.
10 3A3489E