Exmark 4500-540 Rev. B manual Recommended Maintenance Schedules

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
After the first 2 hours	•	Inspect PTO clutching belt tension. Check every 2 hours for the first 8 hours of operation.
After the first 5 hours	•	Change the engine oil.
After the first 100 hours	•	Check wheel hub-slotted torque specification.
After the first 250 hours	•	Change the hydraulic filter.
	• Check the engine oil level.
	•	Check the mower blades.
	• Check the safety interlock system.
	•	Check for loose hardware.
Before each use or daily	•	Grease the caster wheel bearings.
	•	Grease caster pivots.
	• Clean the engine and exhaust system area.
	• Clean the grass and debris build-up from the machine and cutting deck.
	• Clean the grass build-up from under the deck.
Every 25 hours	• Service the foam element. (May need more often under severe conditions. See the Engine
		Owner’s manual for additional information.)
	• Check the hydraulic oil level.
	• Check the tire pressures.
	• Check the condition of the belts.
Every 40 hours	• Grease the pump drive idler pivot.
	• Grease the clutch arm pivot.
	• Grease the pump control bearings.
	• Grease the mower deck idler pivot.
	• Inspect PTO clutching belt tension.
	• Service the paper element. (May need more often under severe conditions. See the Engine
Every 100 hours		Owner’s manual for additional information.)
	• Change the engine oil. (May need more often under severe conditions.)
	• Remove engine shrouds and clean cooling fins.
Every 160 hours	•	Check the spark plugs.
Every 200 hours	•	Replace the paper element.

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