Exmark Lazer Z D-Series 920 - 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.
After the first 250 hours • Change the hydraulic filter.
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) pins.
• Check the seat belt.
• Check for loose hardware.
• Check engine coolant level.
• Clean the engine cooling system.
• 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 cutting deck.
Every 40 hours
• Check the hydraulic oil level.
• Check the tire pressures.
• Check the condition of the belts.
• Grease the height adjustment shaft bearings.
• Grease the rear deck struts.
• Drain fuel filter/water separator.
Every 50 hours
• Service the air cleaner. (May need more often under severe conditions. See the Engine
Owner’s Manual for additional information.)
• Check spark arrester (if equipped).
• Clean the engine cooling system.
Every 100 hours • Change the engine oil. (May need more often under severe conditions.)
Every 160 hours
• Lubricate the brake handle pivot.
• Lubricate the brake rod bushings.
• Lubricate the motion control bronze bushings.
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