Kitz B Series - Page 28

DocumentNo.:KE-4025-06                                           25/50
TypeB-0 
■Disassembly
1.Reducetheinternalpressuretotheatmosphericlevelandremovethetubing.
2.Removethehexagonalbolts〈94〉anddisassembletheactuatorfromthebracket〈93〉
3.Fitaleverhandleorawrenchonthetopoftheshaft〈3〉androtateitcounterclockwisetodrawthepiston
〈177〉towardsthehousing〈1〉.
4.Removethehexagonalbolts〈35A〉anddisassemblethecylinder〈2〉.
5.Removethepistonnut〈13〉anddisassemblethepiston〈177〉.
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 Removepistonnut<13>carefully.Itistightlythreadedandfixedwithlocking
liquid.
6.Removethehexagonalbolts〈35B〉andthehousingcap〈158〉.
7.Drawthepistonrod〈103〉towardsthehousingcap.
8.Removethesnapring〈48B〉androller〈153〉,thenpulloutthepin〈17〉.
9.Removethesnapring〈48A〉andthrustbearing〈47A〉,andpushtheshaft〈3〉 downwardstoremoveit.
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 Ananchorkey〈60〉isprovidedto the  shaft tofixthescotchyoke〈142〉.
Becarefulnottoloseit.
10.Removethescotchyoke〈142〉fromthehousing〈1〉.
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■Assembly
1.Forreassemblyofactuators,reversethedisassemblyprocedures.
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 Before fixing the piston〈177〉with the nut〈13〉, degrease the nut threads
andapplysomelockingliquid(KITZstandard:LOCTITENo.263)tothenut
threadsandthepistonrodtopreventloosing.
2.ItisrecommendedtoreplacethepistonOrings〈45A〉androdguideOrings〈45E〉becausetheycontactwith
slidingpartsrepeatedly.
3.Applysomelubricant(KITZstandard:ShellAlvaniaEP2)toOringgrooves,cylinderinternalsurfaceandall
slidingparts.
4.Applysomeliquidgasket(KITZstandard:Threebond1206E)tothecontactfacesbetweenthehousing〈1〉
andthehousingcap〈158〉,andbetweenthehousing〈1〉andthecylinder〈2〉.
5.Afterassemblyoftheactuator,checkthevalveopeningandclosingpositionswiththepositionindicator,
thenmounttheactuatortothebracket〈93〉.
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