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Exmark 850 manual Recommended Maintenance Schedules

Models: 0 850

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Maintenance

Maintenance

Maintenance

Note: Determine the left and right sides of the machine from the normal operating position.

WARNING

While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders.

Remove the key from the ignition switch, engage parking brake, and pull the wire(s) off the spark plug(s) before you do any maintenance. Also push the wire(s) aside so it does not accidentally contact the spark plug(s).

WARNING

The engine can become very hot. Touching a hot engine can cause severe burns.

Allow the engine to cool completely before service or making repairs around the engine area.

Recommended Maintenance Schedule(s)

	Maintenance Service	Maintenance Procedure
	Interval	Maintenance Procedure
	Interval

	After the first 5 hours	•	Change the engine oil.

	After the first 100 hours	• Check the wheel hub locknuts torque specification.
	After the first 100 hours	• Check the wheel lug nut torque specification.
		• Check the wheel lug nut torque specification.

	After the first 250 hours	•	Change the hydraulic filter.

		• Check the engine oil level.
		• Check the safety interlock system.
	Before each use or daily	•	Check for loose hardware.
		• Remove accumulated debris from engine (see Cleaning section.)
		• Clean the grass and debris build-up from the machine.

		• Check the hydraulic oil level.
	Every 40 hours	•	Check the tire pressures.
		• Check the condition of the belts.

	Every 50 hours	• Service the air cleaner. (May need more often under severe conditions. See the Engine
	Every 50 hours		Owner’s Manual for additional information.)
			Owner’s Manual for additional information.)

	Every 80 hours	•	Remove engine shrouds and clean cooling fins (see Cleaning section.)

	Every 100 hours	•	Change the engine oil. (May need more often under severe conditions.)

		• Lubricate the brake handle pivot.
		• Lubricate the brake rod bushings.
	Every 160 hours	•	Lubricate the steering linkage rod ends.
		•	Lubricate hopper actuator
		• Check the spark plugs.

		• Change the hydraulic filter (Every 250 hours/yearly if using Mobil 1 15W50)
	Every 500 hours	•	Check the wheel hub locknuts torque specification.
		• Check the wheel lug nut torque specification.

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Exmark 850 manual Recommended Maintenance Schedules

Contents

For Serial Nos 850,000 & Higher NAVIGATORPart No. 4500-628Rev. B CALIFORNIA Proposition 65 Warning Introduction Model No Serial NoContents Safety SafetySafety Alert Symbol Safe Operating PracticesSafety DANGERDANGER Operation SafetySafety Slope OperationDANGER DANGER Maintenance and StorageSafety DANGERSafety If the ignition is in the “ON” position there is potential for sparks and engagementSafety and Instructional Decals Safety103-9034 Safety109-4638 109-7318 116-0404 116-1175 117-2718 Molded in LH Console SafetyMolded into Front of Hopper Model Numbers SpecificationsSpecifications SystemsCutting Deck DimensionsTires & Wheels Overall WidthTorque Requirements Curb WeightProduct Overview Product OverviewControls Ignition SwitchOperation OperationPre-Start Tracking Adjustment KnobEngine Oil Temperature Light and Buzzer Operating InstructionsStopping the Engine Engaging the PTODisengaging the PTO Driving the MachineClearing Hopper Screen TransportingEmptying Hopper Transporting a UnitAvoid sudden acceleration when driving on a ramp Loading a UnitOperation Recommended Maintenance Schedules MaintenanceMaintenance Recommended Jump Starting Procedure Periodic MaintenanceCheck Battery Charge Service Interval Before each use or dailyService Interval Before each use or daily Check Safety Interlock SystemMaintenance DANGERCheck for Loose Hardware Service Air CleanerService Interval After the first 5 hours Change Engine OilCheck Tire Pressures Service Interval Every 40 hoursCheck Hydraulic Oil Level Check Condition Of BeltsLubricate Rear Caster Wheel Hubs Service Interval YearlyMaintenance Lubricate Brake Rod Bushings Service Interval Every 160 hoursLubricate Brake Handle Pivot Lubricate Steering Linkage Rod EndsEvery 250 hours/Yearly if using Mobil 1 15W50 Fuel Tank - Mounting Hardware SpecificationsService Interval After the first 250 hours Service Interval After the first 100 hoursDielectric Grease AdjustmentsPTO Belt Replacement PTO Drive Belt TensionBelt Guide Adjustment Pump Drive Belt ReplacementMaintenance Adjust Speed Control Lever Tension Adjust Safety SwitchBrake Adjustment MaintenanceSpeed Control Linkage Adjustment MaintenanceSteering Control Lever Response AdjustmentMaintenance Pump Drive Pulley Alignment Tracking AdjustmentPTO Drive Pulley Alignment MaintenancePTO Brake Spring Adjustment Rear Caster Pivot Bearings Pre-LoadAdjustmentHopper Door Adjustment MaintenanceRemove Engine Shrouds and Clean Cooling Fins CleaningClean Engine and Exhaust System Area Clean Debris From MachineTroubleshooting TroubleshootingPossible Cause TroubleshootingProblem Corrective ActionElectrical Diagram SchematicsSchematics IGNITION SWITCHElectrical Logic Schematic SchematicsHIGH PRESSURE CHARGE PUMP CASE DRAIN Hydraulic DiagramSchematics HIGH PRESSURE FORWARDInstructions for Obtaining Warranty Service Exmark Commercial Turf Equipment2 Year Limited Warranty Owner’s ResponsibilitiesPage Date Service RecordService Done By Description of Work DonePage This page may be copied for personal use OUT-FRONTRIDING ACCESSORIES AND OPTIONS MID-MOUNTRIDING ACCESSORIES AND OPTIONSWALK-BEHINDACCESSORIES AND OPTIONS