Operator's Manual

ManualsBrandsToro ManualsTrenchersToro 22973

Contents

Introduction.................................................................3

Safety...........................................................................5

SafeOperatingPractices.......................................5

SoundPressure.....................................................7

SoundPower........................................................7

Vibration..............................................................8

SlopeIndicator.....................................................9

SafetyandInstructionalDecals...........................10

Setup.........................................................................14

1InstallingtheBoomandChain.........................14

2CheckingFluidLevels......................................15

3ChargingtheBattery(ElectricStartModels

Only)..............................................................15

ProductOverview......................................................15

Controls.............................................................15

Specications.....................................................18

Attachments/Accessories...................................18

Operation...................................................................18

AddingFuel.......................................................18

CheckingtheEngineOilLevel............................19

CheckingtheHydraulicFluidLevel.....................20

StartingandStoppingtheEngine........................21

StoppingtheMachine.........................................21

MovingaNon-functioningMachine...................22

DiggingaTrench................................................22

SecuringtheMachineforTransport....................22

LiftingtheMachine............................................23

OperatingTips...................................................23

Maintenance...............................................................25

RecommendedMaintenanceSchedule(s)................25

PremaintenanceProcedures....................................26

RemovingtheCoverPlate...................................26

InstallingtheCoverPlate....................................26

RemovingtheBottomShield..............................26

InstallingtheBottomShield................................26

Lubrication.............................................................27

GreasingtheMachine.........................................27

GreasingtheTrencherHousing..........................27

EngineMaintenance...............................................28

ServicingtheAirCleaner(Models22972and

22973)............................................................28

ServicingtheAirCleaner(Model22974)..............29

ServicingtheEngineOil.....................................30

ServicingtheSparkPlug.....................................31

FuelSystemMaintenance.......................................33

DrainingtheFuelTank.......................................33

ReplacingtheFuelFilter.....................................33

ElectricalSystemMaintenance................................34

ServicingtheBattery(Models22973and

22974)............................................................34

ReplacingtheFuses(Models22973and

22974)............................................................36

DriveSystemMaintenance.....................................36

ServicingtheTracks............................................36

BeltMaintenance....................................................39

ReplacingthePumpDriveBelt...........................39

ControlsSystemMaintenance.................................39

AdjustingtheTractionControl

Alignment......................................................39

AdjustingtheTractionControlNeutral

Position..........................................................41

AdjustingtheTrackingoftheTraction

Control,FullForwardPosition........................41

HydraulicSystemMaintenance...............................41

ReplacingtheHydraulicFilter.............................41

ChangingtheHydraulicFluid.............................41

CheckingtheHydraulicLines.............................43

TrencherMaintenance............................................43

ReplacingtheDiggingTeeth...............................43

CheckingandAdjustingtheDiggingChain

andBoom......................................................43

ReplacingtheDriveSprocket..............................44

Cleaning.................................................................45

RemovingDebrisfromtheMachine....................45

Storage.......................................................................46

Troubleshooting.........................................................47

Schematics.................................................................49