Exmark LAZER Z 4500-471 - 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 100 hours
• Check the wheel hub slotted nut torque specifications.
• Check the wheel lug nuts.
• Check the park brake adjustment.
Before each use or daily
• Check the engine oil level.
• Check the mower blades.
• Check the safety interlock system.
• Check the rollover protections systems (roll bar) knobs.
• Check the seat belt.
• Check for loose hardware.
• Clean the engine and exhaust system area.
• Clean the hydro fan cooling guards.
• Clean the grass and debris build-up from the machine and cutting deck.
• Clean the grass build-up from under the cutting deck.
Every 50 hours
• Check the hydraulic oil level.
• Check the tire pressures.
• Check the condition of the belts.
• Check spark arrester (if equipped).
Every 100 hours
• Change the engine oil. (May need more often under severe conditions.)
• Lubricate the deck lift pivots.
• Remove the engine shrouds and clean the cooling fins.
Every 200 hours
• Service the air cleaner. (May need more often under severe conditions. See the Engine
Owner’s Manual for additional information.)
• Lubricate the brake handle pivot.
• Check the spark plugs.
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