Exmark Quest 4500-450 - Manual (Page 28)

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
Interval
Maintenance Procedure
After the first 5 hours • Change the engine oil.
After the first 250 hours • Change the hydraulic filter.
Before each use or daily
• Check the safety interlock system.
• Check the air intake and cooling areas, clean as necessary.
• Check the oil level before starting or after every 8 hours.
• Check the hydraulic oil level in the expansion tank.
• Check the mower blades.
• Clean the mower housing.
Every 25 hours
• Grease all lubrication points.
• Check the air cleaner for dirt, looseness, or damage. (May need more often under extremely
dusty or dirty conditions.)
• Service the air cleaner. (May need more often under extremely dusty or dirty conditions.)
• Check the tire pressure.
• Check the belts.
Every 100 hours
• Replace the paper element. (More often under extremely dusty, dirty conditions.)
• Replace the air cleaner element.
• Change the engine oil and filter.
• Clean the blower housing. More often under dirty conditions.
• Replace the fuel filter.
Every 200 hours • Service the spark plug.
Every 500 hours
• Change the hydraulic filter (Every 250 hours if using Mobil 1 15W50)
• Replace the spark plug.
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