Kitz F Series - Inspection and Maintenance of Actuators and Actuated Valves ・・・・・・・・・・・・・・・・１９

Document No.：KE-4010-11                                            Page: 19/58
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 Don’tforgettoremovethespannerorthewrenchusedformanualoperationafterthe
actuatorisresetforautomatedoperation.  Otherwisethespannerorthewrenchmay
jumpoutandinjurenearbypersonnelanddamagenearbyproperties.
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 Ensure to equalize the housing pressure with the atmospheric level before manual
operation.  Leavingtheresidualairpressureinthehousingistoohazardoustonearby
personnelandproperties.
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19.3ManualoperationofenergizedTypeFAdoubleactionactuators
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(1) All KITZ optional solenoid valves are provided with a manual switch.  Choose any one of the following
solenoidvalvesformanualoperationoftheactuatorsbeingenergized.
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① KOGANEIModelA180 
   Keeppressingaswitchwiththetipofascrewdriverformanualoperation.Removalofthescrewdriver
returnstheactuatortotheoriginalautomatedoperationmode.
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② CKDModel4F310
   Rotateaknobformanualoperation.
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③ KANEKOModelMK15G
   Pulloutaswitchformanualoperation.
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④ ASCOSCXD551
   Setthepositionofamanualoperationthread,withascrewdriver,toPosition[O]oftheindicatorfor
manualoperation.  SetittoPosition[1]toenergizetheactuatorforautomatedoperationmode.
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20.  InspectionandMaintenanceofActuatorsandActuatedValves
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20.1 Both actuators and actuated valves are designed for lubrication-free operation, and maintenance or
replacementofpartsandcomponentsisnotusuallyneeded,exceptconsumablesealingmaterials.
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20.2Ifagingorhighlyfrequentusehascausedmalfunctionorfailureofactuatorsoractuatedvalves,useKITZ
genuinepartsforreplacement.
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20.3Ifactuatorsareequippedwithairfilter-regulators,periodicallycleantheboreofdraincockstoremoveall
internalresidues.
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20.4 Replace sealing materials such as O-rings and gaskets, if any leakage is detected through sealed
connectionsofactuatorsandaccessories.