Toro 03606A Service Manual

Troubleshooting
Thefollowingchartcontainssuggestionsthatcanbeusedtosolveperformance
issuesspecictothehydraulicsystem.Thesuggestionsarenotall-inclusive.
Therecanbemorethan1causeforamachinemalfunction.
ReviewthehydraulicschematicfoundinAppendixA(pageA–1)and
informationonthehydraulicsystemoperationintheHydraulicFlowDiagrams
(5410/5410-D/5510/5510-D/5610)(page6–20)orHydraulicFlowDiagrams
(5610-D)(page6–32).Thisinformationwillbeusefulduringthehydraulic
troubleshootingprocess.
RefertoT estingtheHydraulicSystem(page6–56)forprecautionsandspecic
hydraulictestprocedures.
GeneralHydraulicSystemProblems
Problem
PossibleCauses
Thehydraulicuidisleakingfromthesystem.•Thetting(s),hose(s),ortube(s)arelooseordamaged.
•TheO-ring(s)orseal(s)aremissingordamaged.
Thehydraulicuidfoamsexcessivelycausinguidleakage
fromthehydraulictankbreather.
Note:Someaerationofthehydraulicuidonthismachine
isnormal.Thisaeration(foaming)maybemorenoticeable
afterinitialllingofhydraulictank.
•Thehydraulic-uidlevelinthehydraulictankislow.
•Thehydraulicsystemhasawrongtypeofuid.
•Oneofthepumpsuctionlineshasanairleak.
•Incompatiblehydraulicuidsaremixedinthesystem.
•Thereiswaterinthehydraulicsystem.
Thehydraulicsystemoperateshot.•Thetractionsystempressureishighduetoloadordragging
brakes.
•Thehydraulic-uidlevelinthehydraulictankisloworthe
inletlterislooseorclogged.
•Thehydraulicuidiscontaminatedortheuidviscosity
istoolight.
•Theoilcoolerisdamagedorplugged.
•Theoilcoolerairowisobstructed.
•Thehydraulic-uidlterisplugged.
•Thepiston(traction)pumpbypassvalveisopenor
damaged.
•Thegearpumpreliefvalveisstuckopen.
•Thecheckvalveinthepiston(traction)pumpisnotseating
orisdamaged.
•Thechargepressureislow.
•Thepiston(traction)pumporwheelmotor(s)iswornor
damaged.
•EngineRPMistoolow.
•Theenginefanisnotoperatingproperly.
Note:If1tractioncircuitcomponenthasinternalwearor
damage,itispossiblethattheothertractioncomponents
arealsodamaged.
HydraulicSystem:Troubleshooting
Page6–50
Reelmaster
®
5410/5510/5610Series
15216SLRevC

Toro 03606A Specifications

General

Brand	Toro
Model	03606A
Category	Lawn Mower
Language	English