Toro ProLine H800 - Installing the Hydraulic Fittings

InstallingtheHydraulicFittings
IMPORTANT
ThehydraulicttingsusedinthismachinemayhaveBSPP(British
StandardParallelPipe)threadsorORFS(O-RingFaceSeal)
threadsforthehoseconnections,andSAEorBSPPthreadsforthe
componentconnections.Paycloseattentiontothettingthread
typeandthetypeofsealusedwhenreplacingthehydraulictank
ttingsandseals,orcomponentdamageandleakagemayoccur.
InstallingtheNon-AdjustableFittings
g221223
Figure26
1.Fitting
2.O-ringordowtyseal
1.Ensurethatallthethreads,thesealingsurfacesoftting,andthecomponent
portarefreeofburrs,nicks,scratches,orunwantedmaterial.
2.Tohelppreventahydraulicleak,replacetheO-ringwhenyouopenthe
connection.
3.LightlylubricatetheO-ringwithcleanhydraulicuid.Ensurethatthethreads
ofthettingarecleanwithnolubricantapplied.
IMPORTANT
Beforetighteningthetting,determinethematerialusedfortheport
thettingisbeinginstalledin.Installingattingintoanaluminum
portrequiresreducingtheinstallationtorque.
4.Installthettingintotheport,thenuseatorquewrenchandsockettotighten
thettingtotherecommendedtorquevaluewithinthespeciedrangeof
torquevalues;refertotheFittingInstallationT orqueTable(page5–12).
Note:Itmaybenecessarytouseadrive-adapterwrench(e.g.,crowfoot
wrench)toinstallahydraulictting;refertoCalculatingtheT orqueValues
WhenUsingaDrive-AdapterWrench(page2–9).
5.Ifatorquewrenchisnotavailableorifspaceattheportpreventstheuseof
atorquewrench,usetheFlatsFromFingerTight(FFFT)proceduregiven
below:
A.Installthettingintotheportandtightenthettingdownfulllengthuntil
nger-tight.
B.Iftheportmaterialissteel,tightenthettingtothelistedvalue;referto
theFlatFromFingerTight(FFFT)Table(page5–12).
C.Iftheportmaterialisaluminum,tightenthettingto60%ofthelisted
value;refertotheFlatFromFingerTight(FFFT)Table(page5–12).
HydraulicSystem:GeneralInformation
Page5–10
ProLineH800
19241SLRevB