Toro Groundsmaster 4300-D - Blade Inspection and Sharpening; Inspecting and Sharpening Blades

InstallingtheHydraulicFittings(SAEStraightThreadO-Ring
FittingintotheComponentPort)
InstallingtheNon-AdjustableFittings
g033772
Figure25
1.Fitting
2.O-ring
1.Ensurethatallthethreads,thesealingsurfacesoftting,andthecomponent
portarefreeofburrs,nicks,scratches,orunwantedmaterial.
2.Tohelppreventahydraulicleak,replacetheO-ringwhenyouopenthe
connection.
3.LightlylubricatetheO-ringwithcleanhydraulicuid.Ensurethatthethreads
ofthettingarecleanwithnolubricantapplied.
IMPORTANT
Beforeinstallingthettingintotheport,determinethematerialof
whichtheportismade.Installingattingintoanaluminumport
requiresareducedinstallationtorque.
4.Installthettingintotheport,thenuseatorquewrenchandsockettotighten
thettingtotherecommendedtorquevaluewithinthespeciedrangeof
torquevalues;refertotheFittingInstallationT orqueTable(page4–11).
Note:Itmaybenecessarytouseadrive-adapterwrench(e.g.,crowfoot
wrench)toinstallahydraulictting;refertoCalculatingtheT orqueValues
WhenUsingaDrive-AdapterWrench(page2–5).
5.Ifatorquewrenchisnotavailableorifspaceattheportpreventstheuse
ofatorquewrench,usethealternativeprocedureFlatFromFingerTight
Table(page4–12)givenbelow;
A.Installthettingintotheportandtightenthettingdownfulllengthuntil
nger-tight.
B.Iftheportmaterialissteel,tightenthettingtothelistedFFFT.Iftheport
materialisaluminum,tightenthettingto60%ofthelistedFFFT .
FittingInstallationTorqueTable
FittingDashSizeFittingPortSideThread
Size(inch(es)—threads
perinch)
InstallationTorqueIntoSteelPort
InstallationTorqueInto
AluminumPort
4
7/16—2021to25N∙m(15to19ft-lb)13to15N∙m(9to11ft-lb)
5
1/2—2025to29N∙m(18to22ft-lb)15to20N∙m(11to15ft-lb)
6
9/16—1847to56N∙m(34to42ft-lb)28to35N∙m(20to26ft-lb)
8
3/4—1679to97N∙m(58to72ft-lb)48to58N∙m(35to43ft-lb)
Groundsmaster
®
4300-D
Page4–11
HydraulicSystem:GeneralInformation
16226SLRevC