Toro 30393 - Torquing Fasteners; Servicing the Castor Arm Bushings

G003815
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4
2
3
Figure14
1.Motorcoupler
3.Setscrew(2each)
2.Fancoupler
4.Couplerspider
3.Tightenthecapscrewsandthenutssecuringthe
mountingbracketstogetherandtotheblowerhousing.
4.Removethealignmenttoolandnishassembly.
TorquingFasteners
Ifthebloweriseverdisassembled,thefollowingfasteners
mustbetorquedasspecied.Also,applyLoctite242tothe
threadsbeforeinstalling.
•Thesetscrewssecuringthemotorandfanshaftcouplers
(Figure14)mustbetorquedto58to82in-lb.
•Thefanshaftbearingsetscrews(Figure15)mustbe
torquedto58to82in-lb.
G003816
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Figure15
1.Setscrew
•Thefanmountingnut(Figure16)mustbetorquedto
500ft-lb.
G003817
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Figure16
1.Fanmountingnut
ServicingtheCastorArm
Bushings
Thecastorarmshavebushingspressedintothetopand
bottomofthetubeandaftermanyhoursofoperation,the
bushingswillwear.Tocheckthebushings,movethecastor
forkbackandforthandfromsidetoside.Ifthecastor
spindleislooseinsidethebushings,thebushingsareworn
andmustbereplaced.
1.Raisethedebrisblowersothatthewheelsareoffofthe
oor.Blocktheblowersothatitcannotaccidentally
fall.
2.Removethetensioningcap,spacer,andthrustwasher
fromthetopofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.Allow
thethrustwasherandspacertoremainonthebottom
ofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthetube
(Figure17).Also,drivetheotherbushingoutofthe
tube.Cleantheinsideofthetubestoremovedirt.
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