DocumentNo.:KE-4025-06 28/50
TypeB-6,7,D6andD7
11.Removethesnapring 〈48A〉andthrustbearing〈47〉,andthenpushtheshaft〈3〉 downwards
toremove
Ananchorkey〈60〉isprovidedtofixthescotchyoke〈142〉totheshaft〈3〉.
Becarefulnottoloseit.
12.Removethehexagonalbolts〈36〉andpullthehousingcoverupwardstoremove.
13.Removethescotchyoke〈142〉fromthehousing.
■Assembly
1.Forreassemblyofactuator,reversethedisassemblyprocedure.
If the piston nut〈13〉is loosened, degrease the threaded portion of the
piston rod <103> and the nut <13> and apply some locking liquid (KITZ
standard:LOCTITENo.263)beforeretightening.
2.ItisrecommendedtoreplacethepistonOrings〈45A〉andtherodguideOrings〈45E〉becausetheycontact
withslidingpartsrepeatedly.
3. Apply some lubricant (KITZ standard: ShellAlvania EP2) to O ring grooves, cylinderinternalsurface and
slidingparts.
4.Applysomeliquidgasket(KITZstandard:ThreeBond1206E)tothecontactfacesbetweenhousing 〈1〉,
housingcap〈158〉,cylinder<2>andthehousingcover.
5.Afterassemblyoftheactuator,checkthevalveopeningandclosingpositionswiththepositionindicatorand
mounttheactuatortothebracket〈93〉.
■PositionAdjustment
1.Adjustthevalveopeningandclosingpositionsbyadjustingthebolt<132>
2.SeeChapter15ofthisoperationmanualfordetailsofadjustment.