Toro GrandStand 72523 - Bleeding the Hydraulic System; Mower Deck Maintenance; Blade Safety; Servicing the Cutting Blades

Important:Usetheuidspeciedin
HydraulicSystemSpecications(page49)or
equivalent.Otheruidscouldcausesystem
damage.
Important:Monitorthelevelofuidinthe
hydraulictanksothatyoudonotoverllit.
13.Tightentheventplugs.
14.Installthehydraulic-tankcap.
15.Installthefueltank.
16.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
17.Shutofftheengineandcheckforleaks.
Note:If1orbothwheelsdonotdrive,referto
BleedingtheHydraulicSystem(page51).
BleedingtheHydraulic
System
Thetractionsystemisself-bleeding,however,itmay
benecessarytobleedthesystemifuidischanged
orafterworkisperformedonthesystem.
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Raisetherearofthemachineontojackstands
highenoughtoraisethedrivewheelsoffthe
ground.
4.Starttheengineandmovethethrottlecontrolto
theidleposition.
Note:Ifthedrivewheeldoesnotrotate,assist
thepurgingofthesystembycarefullyrotating
thetireintheforwarddirection.
5.Checkthehydraulicuidlevelasitdrops,and
adduidasrequiredtomaintaintheproperlevel.
6.Repeatthisprocedurefortheoppositewheel.
MowerDeck
Maintenance
BladeSafety
Awornordamagedbladecanbreak,andapieceof
thebladecouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladesperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Alwaysinspectthemachinetoensurethatthe
bladesandbladeboltsarenotwornordamaged.
Replacewornordamagedbladesandboltsinsets
topreservebalance.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
ServicingtheCutting
Blades
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,
keepextrabladesonhand.
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,and
disconnectthespark-plugwiresfromthespark
plugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure77).
2.Iftheedgesarenotsharporhavenicks,remove
andsharpentheblade;refertoSharpeningthe
Blades(page52).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming
inthisarea,immediatelyinstallanewblade
(Figure77).
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