英格索兰C350离心式空压机拆机指导

StageAssemblyEndofpinionwithmatchmark.StageAssemblyMatchmarkonbackofimpeller.Rotorboltandwasherareinsertedatthistime.MACHMARKStageAssemblyInstallimpellerwithmatchmarksaligned.Wiggleimpellerbackandforthsoastofeelthekeyscontact.“Keeper”StageInstallationWhileholdingimpellerwithonehand,afterengagingslotson“keeper”preloadimpeller.Screwinimpellerboltwithotherhand.Tightenimpellersomatchmarksalign.Makesure271LoctiteMakesure271LoctiteStageAssemblyDiffuserandDeswirlring.Threecapscrewsjointhemtogether.StageAssemblyNotetheword”TOP”stampedinthedeswirlring.Thediffuserhas“TOP”stampedalso.Usethesetoreferencetherefitup.Alsofortheiralignmentinthecompressor.StageAssemblyAligntopandinstallthreehexheadcapscrewswithlockwashers.Snugthesebolts,donottighten.StageAssemblyCenteringbolts,threetotal.Hexheadcapscrewswithjambnuts.StageAssemblyInstalldiffuser/deswirlassemblyintocompressorusing“top”asaguidetolocateassemblyontostuds.StageAssemblyAssemblyasitsitsonstuds.Installtheflatwashers,lockwashers,andnuts.StageAssemblySnugthethreestudswhicharefordiffusser.StageAssemblyCenterdiffusercarefully.Clearancesaretight,usecare.Aftercenteringdiffusertightendiffusernuts.Recheckclearance.StageAssemblyNowcenterdeswirlring.Samemethod.Tightenstudnutsondeswirlaftersettingclearance.Tightenallnutsandbolts.Recheckclearances.StageAssemblyOnceclearancesaresetanddoublechecked.Allcapscrewsandnutsshouldbetightened..StageAssemblyAreallnutsandboltstight?StageAssemblyBackoffcenteringbolts.Lockjambnuts.Removecenteringboltsentirelyifdesired.3rdStageO-ringbackofPlateforthe3rdStage.3rdStageStageAssemblySetClearancesfortherotorassembliesthesameasanyotherCentac.CheckAxialfloatofpinion.SetVolumeTip(Z)clearance.SetPressureTip(Y)clearance.SetInactiveorReversethrustclearance.BackofImpellerincontactwithCasingTotalaxialfloatofpinionTotalaxialfloatofpinionPushBackofImpellerincontactswithcasingImpellerBladesincontactwithDiffuserTotalaxialfloatofpinionVolumetipor“Z”clearanceMeasureeachbladetip“Z”ImpellerBladesincontactwithDiffuser.TotalaxialfloatofpinionVolumetiporZclearance.MeasureeachbladetipZPushDiffusercanbeslightlytighteronthebottom0.001”JackBoltJackBoltJackBoltLockBoltLockBoltLockBoltThrustsettingbracketStudinbearingcoverbolthole4thDialifusedFrontView1-Gauge2-Gauge3-Gauge.JackBoltThrustsettingbracketAllthreadincoverboltholeDialindicatorsAllthreadDialmountingfixtures(EXAMPLE)SideViewUsethree(3)DialIndicatorsPressuretipor“Y”clearanceShimthicknessJackingscrewPressuretiporYclearance.Jackingscrew.ShimthicknessInactiveorreversethrustclearanceShimInactivethrustadjustingscrewandlockingnutInactiveorReversethrustclearanceShimInactivethrustadjustingscrewandlockingnut.Backoffreversethrustbearingadjustingbolt¼to1/3ofaturn.Thiswillestablish0.008”-0.010”floatclearance.Backoffreversethrustbearingadjustingbolt1/4to1/3ofaturn.Thiswillestablish0.008”-0.010”Axialfloatclearance.ShimNote:Re-checkthePressureTip(Y)clearance,bycheckingtheTotalAxialfloatofpinionwithoutshimsandcomparewithshims.