Kitz F Series - Page 30

Document No.：KE-4010-11                                            Page: 27/58
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(8) Mount a stopper bolt, a seal washer and a hexagon nut on an end cover.  Lubricate an O-ring and
assemble it with the end cover ( Fig.16 ).  Mount the end cover on the housing opening with hexagon
headedbolts(Fig.17).  ForreassemblyofTypeFASspringreturnactuators,thespringcartridgemustbe
mountedonthehousingopening,insteadoftheendcover.
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 Fig.16
            Fig.17 
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(9)Adjusttheshaftrotatingangle(valveopeningrange),accordingtoSection14ofthismanual.
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(10)Checktheleakageofairfromanactuatorwithsoapsolution,accordingtothefollowingprocedures:
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① ApplytheoperatingpressuretoPort[O]andcheckifanyexternalairleakageisdetectedthroughthe
contactofthehousingwiththeendcover,thestopperboltandthesealwasherintheright-handside
(Fig.18).
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② Apply the operating pressure to Port [S] and check if any external leakage detected through the
contactofthehousingwithanotherendcover,anotherstopperboltandanothersealwasherinthe
left-handside(Fig.18).
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 Fig.18
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③ Covertheleakdetectingholebelowthesolenoidvalvemountingpadwithasoapfilm,andcheckifany
airleakage is detectedthereduringa travel of the piston.  Don’t apply the soap film directly to the
opening,sincethesoapmaypenetrateinsidethehousingandcausemalfunctionofanactuator.
O-ring<45F>
Endcover<2A>
Hexagonnut<132A>
Hexagonnut<133>
Sealwasher<155A>
Hexagonheadedbolt<35>
Endcover/housingcontact
Stopperbolt/sealwasher
Leak detecting hole
Endcover/housingcontact
Stopperbolt/sealwasher
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S 