Toro 30308 - Installing the Hydraulic Fittings (SAE Straight Thread O-Ring Fitting into the Component Port)

InstallingtheHydraulicFittings(SAEStraightThreadO-Ring
FittingintotheComponentPort)
InstallingtheNon-AdjustableFittings
1.Ensurethatallthethreads,thesealingsurfacesoftting,andthecomponent
portarefreeofburrs,nicks,scratches,orunwantedmaterial.
2.Tohelppreventahydraulicleak,replacetheO-ringwhenyouopenthe
connection.
g221223
Figure39
1.Fitting
2.O-ring
3.LightlylubricatetheO-ringwithcleanhydraulicuid.Ensurethatthethreads
ofthettingarecleanwithnolubricantapplied(Figure39).
IMPORTANT
Beforeinstallingthettingintotheport,determinethematerialof
whichtheportismade.Installingattingintoanaluminumport
requiresareducedinstallationtorque.
4.Installthettingintotheport,thenuseatorquewrenchandsockettotighten
thettingtotherecommendedtorquevaluewithinthespeciedrangeof
torquevalues;refertotheFittingInstallationT orqueT able(page5–12).
Note:Itmaybenecessarytouseadrive-adapterwrench(e.g.,crowfoot
wrench)toinstallahydraulictting;refertoCalculatingtheT orqueValues
WhenUsingaDrive-AdapterWrench(page2–7).
5.Ifatorquewrenchisnotavailableorifspaceattheportpreventstheuse
ofatorquewrench,usethealternativeprocedureFlatFromFingerTight
Table(page5–12)givenbelow;
A.Installthettingintotheportandtightenthettingdownfulllengthuntil
nger-tight.
B.Iftheportmaterialissteel,tightenthettingtothelistedFFFT.Iftheport
materialisaluminum,tightenthettingto60%ofthelistedFFFT .
Groundsmaster
®
3280-D/3320
Page5–11
HydraulicSystem:GeneralInformation
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