Toro Groundsmaster 3400 - Troubleshooting; Engine, Battery, and Hydraulic Troubleshooting; Brake, Steering, and Cutting Unit Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thetransmissionneutral-interlock
switchisnotenergized.
1.Removeyourfootfromthe
forward/reversepedalsorcheck
thesettingofthetransmission
neutral-interlockswitch.
2.Theparking-brakeinterlockswitchis
notenergized.
2.Operatetheparkingbrakelevertothe
ONposition.
3.Thecutting-unitdriveinterlockswitch
isnotenergized.
3.Checkthesettingofparking-brake
interlockswitch.
Theenginedoesnotstartwiththeignition
key.
4.Thereisafaultyelectricalconnection.4.Traceandcorrectthefault.
1.Theterminalconnectionislooseor
corroded.
1.Cleanandtightentheterminal
connections.Chargethebattery.
2.Thealternatorbeltisalooseor
damaged.
2.Adjustthetensionorreplacethedrive
belt.
3.Thebatteryisnotcharged.
3.Chargethebatteryorcheckand
replacethebattery.
Thebatteryisat.
4.Thereisanelectricalcircuitshort.
4.Tracetheshortinthecircuitandxit.
1.Theradiatorisfullofdebris.1.Cleanthescreen.
2.Theoil-coolernsareplugged.2.Cleanthens.
3.Theengine-radiatormatrixisplugged.
3.Cleanthematrix.
4.Therelief-valvesettingislow.4.ContactanAuthorizedServiceDealer.
5.Thehydraulicuidislow.
5.Fillthereservoirtothecorrectlevel.
6.Thebrakesareengaged.6.Disengagethebrakes.
Thehydraulicsystemisoverheating.
7.Thefanorfandriveisdamaged.7.Checkthefanoperationandservice
thefanasneeded.
1.Thewheel-motorbrakeassemblyis
faulty.
1.ContactanAuthorizedServiceDealer.
Thebrakesoperateincorrectly.
2.Thebrakediscsareworn.
2.ContactanAuthorizedServiceDealer.
1.Thesteeringvalveisdamaged.
1.Serviceorreplacethesteeringvalve.
2.Thehydrauliccylinderisdamaged.
2.Serviceorreplacethehydraulic
cylinder.
Thesteeringdoesnotoperatecorrectly.
3.Thesteeringhoseisdamaged.3.Replacethedamagedhose.
1.Theparkingbrakeisengaged.1.Releasetheparkingbrake.
2.Thehydraulic-uidlevelislow.
2.Fillthereservoirtothecorrectlevel.
3.Incorrecthydraulicuidwasused.3.Drainthereservoirandrellwiththe
correctuid.
4.Thedrive-pedallinkageisdamaged.
4.Checkthelinkageandreplace
damagedparts.
5.Thetransmissionpumpisdamaged.5.Havethetransmissionpump
overhauledbyyourauthorizeddealer.
6.Thetransmission-reliefvalveisopen.6.Closethereliefvalve.
7.Thedrivecouplingisbroken.7.Replacethedrivecoupling.
Themachinedoesnotmoveforwardor
reverse.
8.Thetransmissionlterisblocked.8.Replacethetransmissionlter.
Themachinecreepsforwardorbackward
inneutral.
1.Thetransmission-neutraladjustmentis
incorrectlyset.
1.Adjustthetransmission-neutrallinkage
setting.
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