Toro Groundsmaster 4300-D - Engine Maintenance; Engine Safety Precautions; Servicing the Air Cleaner

•Cuttingunitspindle-shaftbearings(2percutting
unit)—Figure73
Note:Youcanuseeithertting,whicheveris
moreaccessible.Pumpgreaseintothettinguntil
asmallamountappearsatbottomofthespindle
housing(underthecuttingunit).
g008906
Figure73
•Rear-rollerbearings(2percuttingunit)—Figure74
g008907
Figure74
Note:Ensurethatthegreasegrooveineach
rollermountalignswiththegreaseholeineach
endoftherollershaft.Tohelpalignthegroove
andhole,thereisalsoanalignmentmarkon1end
oftherollershaft.
EngineMaintenance
EngineSafety
•Shutofftheengineandremovethekeybefore
checkingtheoiloraddingoiltothecrankcase.
•Donotchangethegovernorspeedoroverspeed
theengine.
ServicingtheAirCleaner
Checkthewholeintakesystemforleaks,damage,or
loosehoseclamps.Donotuseadamagedairlter.
Servicetheair-cleanerlteronlywhentheservice
indicatorrequiresit.Changingtheairlterbeforeitis
necessaryonlyincreasesthechanceofdirtentering
theenginewhenthelterisremoved.
Important:Makesurethatthecoverisseated
correctly,sealswiththeair-cleanerbody,
andtherubberoutletvalveisinadownward
position—betweenthe5o’clockand7o’clock
positionswhenviewedfromtheend.
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