Exmark 820, 977 Contents

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

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

SafetyAlertSymbol.........................................5

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

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

Specications.......................................................13

ModelNumbers............................................13

Systems.........................................................13

Dimensions...................................................14

TorqueRequirements....................................15

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

Operation.............................................................16

Controls........................................................16

Pre-Start........................................................17

OperatingInstructions..................................18

Transporting.................................................20

Maintenance.........................................................22

RecommendedMaintenanceSchedule(s)...........22

PeriodicMaintenance.......................................23

CheckEngineOilLevel.................................23

CheckBatteryCharge....................................23

CheckMowerBlades.....................................24

CheckSafetyInterlockSystem.......................25

CheckforLooseHardware............................25

ServiceAirCleaner........................................26

ChangeEngineOil........................................26

CheckHydraulicOilLevel.............................26

CheckTirePressures.....................................26

CheckConditionOfBelts..............................26

LubricateGreaseFittings...............................27

LubricateCasterWheelHubs........................27

CheckSparkPlugs.........................................28

ChangeHydraulicSystemFilter.....................28

ThreadLockingAdhesives.............................29

MobilHTSGrease(OrFood-Grade

Anti-seize).................................................29

DielectricGrease...........................................29

Adjustments.....................................................30

DeckLeveling...............................................30

PumpDriveBeltTension...............................30

DeckDriveBeltTension................................30

ElectricClutchAdjustment............................30

MotionControlLinkageAdjustment.............30

AdjustThrottleLeverTension.......................31

Cleaning...........................................................31

CleanEngineAirCoolingSystem...................31

RemoveEngineShroudsandCleanCooling

Fins...........................................................31

CleanGrassBuild-UpUnderDeck................31

WasteDisposal..............................................32

Troubleshooting...................................................33

Schematics...........................................................35