Toro 30403 Service Manual

CuttingDeckOperatingProblems
Problem
PossibleCauses
Thecuttingdeckremainsengaged,butshouldnot,withno
operatorintheseat.
•Theseatswitchorcircuitwiringisdamaged.
•Aloose,corroded,orbrokenwire(s)existinthePTOclutch
circuit;refertotheElectricalSchematicsinAppendixA(page
A–1).
Thecuttingdeckrun,butshouldnot,withthePTOswitchin
theOFF(disengage)position.
•ThePTOswitchorcircuitwiringisdamaged.
•Aloose,corroded,orbrokenwire(s)existinthePTOclutch
circuit;refertotheElectricalSchematicsinAppendixA(page
A–1).
ThecuttingdeckdoesnotoperatewiththePTOswitchin
theON(up)position.
•Theoperatorseatisunoccupied.
•Thehydraulic-uidlevelinthehydraulicreservoir(front
axle)islow.
•Theseatswitchorcircuitwiringisdamaged.
•ThePTOswitchorcircuitwiringisdamaged.
•Theenginetemperatureisexcessive(above105°C/220°F).
•Thehightemperatureshutdownswitchorcircuitwiringis
damaged.
•TheStandardControlModuleisdamaged.
•Aloose,corroded,orbrokenwire(s)existinthePTOclutch
circuit;refertotheElectricalSchematicsinAppendixA(page
A–1).
CuttingDeckLift/LowerProblems
Problem
PossibleCauses
Thecuttingdeckdoesnotlower.
•Theoperatorisnotfullypressingtheseatswitch.
•Theseatswitchorcircuitwiringisdamaged.
•TheliftcontrolmanifoldsolenoidcoilSV1orcircuitwiring
isdamaged.
•Ahydraulicprobleminthelift/lowercircuitexists;referto
theTroubleshooting(page5–44).
Thecuttingdeckdoesnotraise.
•TheliftcontrolmanifoldsolenoidcoilSV1orcircuitwiring
isdamaged.
•Ahydraulicprobleminthelift/lowercircuitexists;referto
theTroubleshooting(page5–44).
ElectricalSystem:Troubleshooting
Page6–14
Groundsmaster
®
3280-D/3320
05138SLRevB

Toro 30403 Specifications

General

Brand	Toro
Model	30403
Category	Lawn Mower
Language	English