Toro Groundsmaster 4300-D - General Run and Transport Problems

GeneralRunandTransportProblems
Problem
PossibleCauses
Theenginecontinuestorun,butshouldnot,
whenthekeyswitchisturnedtotheOFF
position.
•Thekeyswitchorcircuitwiringisdamaged.
•Themainpowerrelayorcircuitwiringis
damaged.
•Theengineorfuelsystemismalfunctioning;
refertoChapter3:DieselEngine(page3–1).
Theenginecontinuestorun,butshouldnot,
whenthetractionpedalisengagedwithno
operatorintheseat.
•Theseatswitchorcircuitwiringisdamaged.
•TheTECfusesaredamaged.
•Thetractionneutralswitchisoutof
adjustment.
•Thetractionneutralswitchorcircuitwiring
isdamaged.
•TheTECisdamaged.
Theengineshutsoffduringtheoperation,but
itisabletostartagain.
Note:Excessivecoolanttemperaturewill
causethecuttingdeckstobedisengaged
andcancausetheenginetoshutdown.Ifthe
excessiveenginecoolanttemperaturecauses
theenginetoshutdown,theoperatorcan
starttheenginebymovingthemachinetoa
shortdistance.Afterstartingtheengineinthis
condition,theenginerunsforapproximately
10secondsbeforeitshutsoffagain.
•Theparkingbrakeisengaged.
•Theoperatorisraisingfromtheseat(theseat
switchisnotfullypressed).
•Theseatswitchorcircuitwiringisdamaged.
•Thekeyswitchorcircuitwiringisdamaged.
•Theenginecoolanttemperatureisexcessive
(above115°C/240°F).
•Themachineisbeingoperatedonaslope
withalowfuellevel.
•Theengineorfuelsystemismalfunctioning;
refertoChapter3:DieselEngine(page3–1).
Theengineshutsoffwhenthetractionpedal
ispressed.
Note:Ifthemachinecontrolsarenotinthe
correctpositionforoperatingthemachine
(e.g.,theparkingbrakeisengaged),an
advisorymessagemaybedisplayedonthe
InfoCenterdisplay.
•Theparkingbrakeisengaged.
•Theoperatorisnotfullypressingtheseat
switch.
•Theseatswitchorcircuitwiringisdamaged.
•Thekeyswitchorcircuitwiringisdamaged.
•Theenginecoolanttemperatureisexcessive.
•Themachineisoperatedonaslopewitha
lowfuellevel.
•TheTECfusesaredamaged.
•TheTECisdamaged.
Thebatterydoesnotcharge.•Aloose,corroded,orbrokenwiresexist
inthechargingcircuit;refertotheElectrical
SchematicinAppendixA—FoldoutDrawings.
•Theenginealternatorbeltislooseor
damaged.
•Thebatterycablesarelooseorcorroded.
•Thefusiblelinkconnectingtheenginestarter
motorisdamaged.
•Thealternatorisdamaged.
•Thebatteryisdamaged.
ElectricalSystem:Troubleshooting
Page5–36
Groundsmaster
®
4300-D
16226SLRevC