Kitz B Series - Page 36

DocumentNo.:KE-4025-06                                           33/50
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 The piston nut <13a> is tightly threaded and fixed with locking liquid.
Removethepistonnutcarefully.
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11.Removethehexagonalcapscrew〈140A〉andtherodguide〈136A〉.
12.Removethespringretainernut〈13b〉andthespringretainer〈150〉.
13.Removethehexagonalcapscrew〈140B〉andtherodguide〈136B〉.
14.Pulloutthepistonrod〈103〉towardsthespringcase.
15.Removethesnapring〈48B〉andtheroller〈153〉,andpulloutthepin〈17〉.
16.Removethesnapring〈48A〉andthrustbearing〈47〉,andpushtheshaft<3>downwardstoremove.
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 Ananchorkey〈60〉isprovidedtofixthescotchyoke〈142〉totheshaft. 
Becarefulnottoloseit.
17.Removethescotchyoke〈142〉fromthehousing〈1〉.
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■Assembly
1.Forreassemblyofactuator,reversethedisassemblyprocedure.
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 Iftheanchornut〈13a〉isloosened,applysomelockingliquid(KITZstandard:
LOCTITENo.263)tothenut〈13a〉 andthepistonrod〈103〉threadsbefore
retightening.
2.ItisrecommendedtoreplacethepistonOring 〈45A〉becauseitcontactswiththeslidingpartsrepeatedly.
3.Applysomelubricant(KITZstandard:ShellAlvaniaEP2)totheOringgrooves,cylinderinternalsurfaceand
slidingparts.
4.Applysomeliquidgasket(KITZstandard:ThreeBond1206E)tothecontactfacesofthehousing〈1〉,rod
guideA<136A>,rodguideB<136B>,springcase<100>,springcover<158>andcylinder<2>.
5. After assembly of the actuator, check the valve opening and closing positions with attached position
indicatorandmountthebracket〈93〉.
■PositionAdjustment
1.Adjustthevalveopeningandclosingpositionsbyadjustingthebolt<132A>onthecylindersideandthebolt
<132B>onthespringcoverside.
2.SeeChapter15ofthisoperationmanualfordetailsofadjustment.
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