VTK‐VS‐BA‐004e‐B|UserManualMDS3200A | Cleaning
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8 CLEANING
Aftereverydispensingprocessinvolvingaggressiveorself‐curingsubstances,acleaningpro‐
cedureisrecommended.Itshouldinvolvethevalveandallothersurfacesincontactwith
thefluid.Differentmethodsofcleaningaredescribedinthefollowingchapter.Theproper
choicedependsonthedegreeofcontaminationand
thedispensemediumused.
8.1 PreliminaryNotes
IMPORTANTNOTE!(preparecleaninginadvance)
Itisrecommendedtopreparethecleaningprocedureinadvance.
Donotdropthedeviceoritssubcomponents.
CAUTION!(liquidspurtspossible)
PersonnelmustbeawareofthefactthatresidualliquidmaydrainOFForspurtwhen
handlingcomponents.Thereforeprotectiveclothesarerecommended,
like
‐Safetygoggles
‐Glovesandoverall(chemicalresistant)
Rememberthatthesurfaceofthevalveissensitivetoabrasion,sodonotusewire
brushesandotherinappropriatetools.Aspeciallydevelopedcleaningtoolkit(CTK)is
availableuponrequest(orderno.1010320),whichisofparticularinterestfor
allsur‐
facesindirectcontactwiththefluid.
WARNING!(potentialchemicalreactions)
Thedispensedmediumandthecleaningagenttobeusedmustbecompatibletoeach
otherandshouldnotgiverisetochemicalreactions,toxicvapor,increaseoftempera‐
tureetc.!Informationcanbefoundinthe
correspondingsafetydatasheet;consult
themanufacturerincaseofdoubt.
Beforeintroducingaggressivepurifyingagentsorsolventstothesystem,verifycom‐
patibilitywiththematerialofalladjacentparts(referalsotothecorrespondinglist,
page54,andconsultourTechnicalSupportincaseofneed).
CAUTION!
(keepactuatorclean)
Noliquidshouldpenetrateintotheactuator(e.g.throughtheplug);otherwisethe
wholeelementcouldbedamaged.