Toro 30934 - Checking the Hydraulic Hoses

2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
3.Raisetherearofthemachineupontojackstandshigh
enoughtoraisethedrivewheelsofftheground.
4.Checkthehydraulicuidlevel.
5.Starttheengineandmovethethrottlecontroltothe
fullthrottleposition.Movethespeed-controlleverto
themiddlespeedpositionandplacethedrivelevers
intothedriveposition.
Ifeitherdrivewheeldoesnotrotate,itispossible
toassistthepurgingofthechargepumpbycarefully
rotatingthetireintheforwarddirection.
Note:Itisnecessarytolightlytouchthecharge-pump
capwithyourhandtocheckthepumptemperature.If
thecapistoohottotouch,turnofftheengine.The
pumpsmaybedamagedifthepumpbecomestoohot.
Ifeitherdrivewheelstilldoesnotrotatecontinueto
thenextstep.
Figure62
1.Charge-pumpcap2.Socket-headscrew
6.Thoroughlycleantheareaaroundeachofthe
charge-pumphousings.
7.Toprimethechargepump,loosenthe2hex
socket-headcapscrews(Figure62)1-1/2turnsonly.
Makesureengineisnotrunning.Liftchargepump
housingupwardandwaitforasteadyowofoiltoow
outfromunderthehousing.Tightenthecapscrews.
Dothisforbothpumps.
Note:Thehydraulicreservoircanbepressurizedto
upto5psitospeedthisprocess.
8.Ifeitherdrivewheelstilldoesnotrotate,stopand
repeatsteps4and5ontherespectivepump.Ifthe
wheelsrotateslowly,thesystemmayprimeafter
additionalrunning.Checkthehydraulicuidlevel.
9.Allowthemachinetorunforseveralminutesafterthe
chargepumpsareprimedwiththedrivesysteminthe
full-speedposition.
10.Checkthehydrauliccontrollinkageadjustment.Refer
toAdjustingtheHydroControlLinkages.
CheckingtheHydraulicHoses
ServiceInterval:Every100hours
Checkhydraulichosesforleaks,loosettings,kinkedlines,
loosemountingsupports,wear,andweatherandchemical
deterioration.Makenecessaryrepairsbeforeoperating.
Note:Keeptheareasaroundthehydraulicsystemclean
fromgrassanddebrisbuildup.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskinit
mustbesurgicallyremovedwithinafewhours
byadoctorfamiliarwiththistypeofinjury.
Gangrenemayresultifthisisnotdone.
•Keepbodyandhandsawayfrompin-holeleaks
ornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Makesurethatallhydraulic-uidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
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