Kitz F Series - Manual Operation of Actuators ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・１８

Document No.：KE-4010-11                                            Page: 18/58
(5)Checkiftheoperatingpressurehasbeensetwithyourrequiredspecification.
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(6)Checkifanequippedairregulatorhasbeensetforyourrequiredoperationpressure.
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(7)Ifaspeedcontrollerisequipped,adjusttheflowrateoftheexhaustairtomatchyourrequiredoperation
speed.
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 Ｕseeithercompressedinstrumentationairornitrogengasforoperationofactuators.
Useofanyotheroperatingmediummayaffectthefunctionofactuators.
 Useofoperationpressureexceeding0.7MPamaydamageactuatorsoraccessories.
 Keeptheoperationmediumcompletelydry.  Highhumiditycausesrustandmayresult
inmalfunctionorfailureofactuatorsoraccessories.
 Apartto avoidenteringwaterinto aspringcase(Mizukiller)is installed on spring
return type actuators breathing port. And The Mizukiller is sealed with a sticker.
Removethestickerbeforerunningautomatedoperation.
   (ForproductsshippedbeforeDecember2009,acapisinstalledonspringreturntype
actuators breathing port instead of the Mizukiller. Remove the cap before running
automatedoperation.Ifthecapremains,actuatorspeedmaybecomeslow.)
 WhenTypeFASspringreturnactuatorisusedoutsideorinwetcondition, the
Mizukillerhastobeinstalledintoit.IftheMizukillerisnotinstalled,watermayenterinto
aspringunitandcauseamalfunction.
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19.  ManualOperationofActuators
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19.1ManualoperationofFSeriespneumaticvalveactuatorsisavailableforTypeFAdoubleactiondrive,asa
standardfeature.  ManualoperationofTypeFASspringreturnactuatorsisoptionallypossibleasprovidedin
Appendixofthismanual.
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19.2Manualoperationofde-energizedTypeFAdoubleactionactuators
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(1) Iftheactuatorisnotequippedwithaby-passvalveandasolenoidvalve,disassembletheairtubingto
equalizethehousingpressurewiththeatmosphericlevel,androtatetheshaftontopofthehousingwitha
spannerorawrench,tomanuallyoperatetheactuator.
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(2) Iftheactuatorisequippedwithaby-passvalvebutwithnosolenoidvalve,setthevalvetothe“manual”
position to equalize the housing pressure with the atmospheric level to manually operate the actuator. 
Refertotheinstructionsprovidedontheidentificationplateattachedtotheby-passvalve.
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(3) Iftheactuatorisequippedwithasolenoidvalve,butwithnoby-passvalvenor pressureequalizervalve,
followtheinstructionsgiveninItem19.2(1)tomanuallyoperatetheactuator.
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(4)Iftheactuatorisequippedwithasolenoidvalveandapressureequalizervalve(CKDModelV1000-08),
rotatetheoperationhandleoftheequalizervalveto90°againsttheflowdirectiontoequalizethehousing
pressuretotheatmosphericlevel.  TheactuatorisnowreadyformanualoperationasprovidedinItem
19.2(1).  Thisprocedurealsoappliestotheactuatorsbeingenergized.
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