19
Starter/Generator
GASOLINEVEHICLE-ELECTRICAL
COMPONENTS
BEARINGREMOVAL
1.Placethewedgeattachmenttoolbetweenthebearingandthearmature.Makesurethewedgeattachmenttool
issupportingtheinnerraceofthebearing.Ifapressisnotavailable,secureabearingpullertothewedge
attachmenttoolandpullthebearingoffoftheendofthearmatureshaft.Supportthearmaturesothatitwillnot
dropwhenthebearingisremoved(Figure19-8,Page19-6).
2.Slidethebearingretainerring(32)offoftheoutputendoftheshaft(Figure19-6,Page19-5).
1.PressRam2.WedgeAttachmentT ool3.Bearingsectionedforclarity4.Supportinnerraceofbearing5.Usea1/2inchsocketorpipe6.
Pressagainstarmatureshaft7.Usebearingpullerifapressisnotavailable
494
Figure19-8BearingRemoval
FIELDCOILASSEMBLY
Replaceentireeldcoilhousingassemblyifcoils,poleshoesorterminalsaredamaged.(Figure19-9,Page19-7).
VISUALINSPECTIONOFARMATURE
Obviousdefectscanbeseenbyexaminingthearmature.Ifanarmaturehasfrayedorcharredinsulation,brokenwires
orthrownsolder,itisobviouswithouttestingthatitshouldbereplaced.Faultsseenduringthevisualinspectioncanaid
indiagnosingtheoriginalcauseofthefailure.Itemstolookforarelistedbelow.
•Burned,charred,orcrackedinsulation
•Improperlycuredvarnish
•Thrownsolder
•Flaredarmaturewindings
•Worn,burned,orglazedcommutator
•Looseorraisedcommutatorbars
•Bruisedordamagedarmaturecorelaminations
•Wornarmaturebearingorshaft
•Dirtyoroilycommutator
Page19-62019PrecedentVillager2MaintenanceandServiceManual