Exmark 820 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 250 hours
Change the hydraulic lter.
Before each use or daily
Check the engine oil level.
Check the mower blades.
Check the safety interlock system.
Check for loose hardware.
Clean the engine air cooling system.
Clean the grass build-up from under the deck.
Every 25 hours
Grease the belt idlers.
Every 40 hours
Check the hydraulic oil level.
Check the tire pressures.
Check the condition of the belts.
Grease the deck pivots.
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 engine shrouds and clean cooling ns.
Every 100 hours
Change the engine oil. (May need more often under severe conditions.)
Every 160 hours
Grease the brake handle pivot.
Check the spark plugs.
Every 500 hours
Change the hydraulic lter (Every 250 hours/yearly if using Mobil 1 15W50)
Monthly
Check the battery charge.
Yearly
Grease the front caster wheel bearings.
Grease front caster pivots.
Lubricate the caster wheel hubs.
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