Operator's Manual

ManualsBrandsToro ManualsTrenchersToro 22973G

g000502

Figure2

1.Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Contents

Safety.......................................................................4

GeneralSafety...................................................4

SafetyandInstructionalDecals..........................4

Setup........................................................................9

1InstallingtheBoomandChain..........................9

2CheckingtheFluidLevels..............................10

3ChargingtheBattery(Electric-StartModels

Only).............................................................10

ProductOverview....................................................11

Controls............................................................11

KeySwitch.....................................................11

Specications..................................................14

Attachments/Accessories.................................14

BeforeOperation.................................................15

BeforeOperationSafety...................................15

AddingFuel......................................................15

PerformingDailyMaintenance..........................16

DuringOperation.................................................17

DuringOperationSafety...................................17

StartingtheEngine...........................................18

DrivingtheMachine..........................................18

ShuttingofftheEngine......................................18

DiggingaTrench..............................................19

OperatingTips.................................................19

AfterOperation....................................................20

AfterOperationSafety......................................20

MovingaNon-FunctioningMachine..................20

SecuringtheMachineforTransport..................20

LiftingtheMachine...........................................20

Maintenance...........................................................21

MaintenanceSafety..........................................21

RecommendedMaintenanceSchedule(s)...........21

Pre-MaintenanceProcedures..............................22

RemovingtheCoverPlate................................22

RemovingtheBottomShield............................23

Lubrication..........................................................23

GreasingtheMachine.......................................23

GreasingtheTrencherHousing........................24

EngineMaintenance...........................................25

EngineSafety...................................................25

ServicingtheAirCleaner..................................25

ServicingtheEngineOil....................................27

ServicingtheSparkPlug(s)..............................29

FuelSystemMaintenance...................................30

DrainingtheFuelT ank......................................30

ReplacingtheFuelFilter...................................31

ElectricalSystemMaintenance...........................31

ElectricalSystemSafety...................................31

ServicingtheBattery.........................................31

ReplacingtheFuses(Models22973and

22974)...........................................................33

DriveSystemMaintenance..................................34

ServicingtheTracks.........................................34

BrakeMaintenance.............................................36

TestingtheParkingBrake.................................36

BeltMaintenance................................................37

ReplacingthePump-DriveBelt.........................37

ControlsSystemMaintenance.............................37

AdjustingtheTraction-Control

Alignment......................................................37

HydraulicSystemMaintenance...........................39

HydraulicSystemSafety...................................39

HydraulicFluidSpecications...........................39

CheckingtheHydraulic-FluidLevel...................40

ReplacingtheHydraulicFilter...........................40

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

TrencherMaintenance.........................................42

ReplacingtheDiggingTeeth.............................42

CheckingandAdjustingtheDiggingChain

andBoom.....................................................42

ReplacingtheDriveSprocket...........................43

Cleaning..............................................................44

RemovingDebrisfromtheMachine..................44

Storage...................................................................44

StorageSafety..................................................44

Storage.............................................................44

Troubleshooting......................................................46

Schematics.............................................................48