Exmark 4500-497 Lawn Mower User Manual


 
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 rst 5 hours
Change the engine oil.
After the rst 100 hours
Check the wheel hub locknuts torque specication.
After the rst 250 hours
Change the hydraulic lter.
Before each use or daily
Check the engine oil level.
Check the safety interlock system.
Check the rollover protections systems (roll bar) pins.
Check the seat belt.
Check for loose hardware.
Clean the engine cooling system.
Remove accumulated debris from engine.
Every 40 hours
Check the hydraulic oil level.
Check the tire pressures.
Check the condition of the belts.
Grease hitch and cylinder pivots.
Grease the dual tail wheel pivot (if applicable).
Every 50 hours
Service the air cleaner. (May need more often under severe conditions. See the Engine
Owner’s Manual for additional information.)
Every 80 hours
Remove the engine shrouds and clean the cooling ns.
Every 100 hours
Change the engine oil. (May need more often under severe conditions.)
Grease the fold pivot pin.
Every 160 hours
Lubricate the brake handle pivot.
Lubricate the brake rod bushings.
Lubricate the motion control bronze bushings.
Lubricate the steering linkage rod ends.
Check the spark plugs.
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