Graco SaniForce 4150 - 1590 Performance Charts Continued

Repair
Leak Leak
Leak
Detectors Detectors
Detectors
Leakdetectorsaresensorsthataremountedinthe
aircoversofthepumptomonitorfor󰘱uidleakage
causedbyadiaphragmrupture.Leakdetectors
areprovidedwith3-Apumpsandcanbeordered
separatelyforotherpumps.Forleaksensorelectrical
andcon󰘰gurationinformation,refertotheleak
detectionsystemmanual(3A6976).
Availableleakdetectionkits:
Kit Kit
Kit
Description Description
Description
17Z666
Kit,Standard,non-ATEX,2sensors,2
bushings;providedwith3-Apumps
17Z667Kit,ATEX,2sensors,2bushings,2
o-rings
25P303Kit,Leakdetectioncontrolbox;
notapprovedforuseinanATEX
environment
25P305Kit,Leakdetectioncontrolboxmounting
bracketandmountinghardware
Leak Leak
Leak
Detector Detector
Detector
Testing Testing
Testing
1.Obtainasmallcontainerofthematerialbeing
pumped.
2.PerformthePressureReliefProcedure,page9.
3.Unscrewandremovebothleakdetectorbushings
(withinstalledleakdetectors)fromtheairside
diaphragmcovers.
4.Foreachleakdetector,dipthebushing,with
theleakdetectorstillinstalled,intothematerial
containerinanorientationthatmimicshowit
wouldbeorientedintheairsidediaphragm
cover.Observewhethertheleakdetectorsenses
thepresenceofthematerial.
5.Iftheleakdetectorsuccessfullydetectedthe
material,cleanthebushingandleakdetector
andre-installtheleakdetectorandbushing
asdescribedinstep6.Ensurethatbothleak
detectorssuccessfullydetectedthematerial
beforeinstalling.
NOTE: NOTE:
NOTE:
Iftheleakdetectorfailstosensethe
material,troubleshoottheleakdetectortoseeif
theleaksensorhasfailedortheleakdetectoris
unabletodetectthematerial.
6.Toinstallleakdetectortothepump:
a.Iftheleakdetectorneedstobeinstalledin
thebushing,simplyscrewtheleakdetector
injustpast󰘰ngertight.
NOTE: NOTE:
NOTE:
IfusingtheATEXleakdetector,
installtheo-ringontotheleakdetectorbefore
installationintothebushing.
b.Ifthebushingisnotinstalledintheairside
diaphragmcover,screwthebushingintothe
airsidediaphragmcover.
c.Iftheleakdetectorwasdisconnectedfrom
themonitoringdevice,re-attachtheleak
detectorwirestothemonitoringdevice.
7.Repeatsteps3–6fortheotherleakdetector.
Leak Leak
Leak
Detector Detector
Detector
Removal Removal
Removal
1.FollowthePressureReliefProcedure,page9.
2.Notetheconnectionlocationsoftheleak
detectorwireswithinthemonitoringdevice,then
disconnecttheleakdetectorwires.
3.Removetheleakdetectorfromthebushinginthe
airsidediaphragmcover.
4.Ifdesired,repeattoremovetheotherleak
detectorfromtheotherairsidediaphragmcover.
Leak Leak
Leak
Detector Detector
Detector
Installation Installation
Installation
1.Iftheleakdetectorneedstobeinstalledinthe
bushing,simplyscrewtheleakdetectorinjust
past󰘰ngertight.
NOTE: NOTE:
NOTE:
IfusingtheATEXleakdetector,installthe
o-ringontotheleakdetectorbeforeinstallation
intothebushing.
2.Ifthebushingisnotinstalledintheairside
diaphragmcover,screwthebushingintotheair
sidediaphragmcover.
3.Wiretheleakdetectortothemonitoringdevice.
3A6782F
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