Exmark METRO 21 MPKA21 - Manual (Page 23)

Maintenance
Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
WARNING
If you leave the wire on the spark plug,
someone could accidentally start the engine.
Accidental starting of the engine could
seriously injure you or other bystanders.
Disconnect the wire from the spark plug
before you do any maintenance. Set the wire
aside so that it does not accidentally contact
the spark plug.
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.
Before each use or daily
• Check the engine oil level.
• Check the stopping time of the blade brake. The blade must stop within 3 seconds of
releasing the bail; if it does not, contact and Authorized Service Dealer for repair.
• Check the mower blades and the engine mounting fasteners.
• Check for loose hardware.
• Clean the grass build-up from under the deck.
• Clean the discharge tunnel and plug.
Every 25 hours
• Clean the foam pre-cleaner (Kawasaki Units).
• Clean the cover, base, foam and paper elements (Honda Units).
Every 40 hours • Check the condition of the belt(s).
Every 50 hours
• Change the engine oil. (May need more often under severe conditions.)
• Grease the pivot arms.
• Clean under the belt cover (self-propelled models only).
• Clean the blade brake clutch shield.
• Check for leaks in the fuel systems and /or deteriorating fuel hose.
Every 100 hours
• Change the oil filter (Kawasaki Units Only).
• Service the wheels.
• Grease the gear case (self-propelled units only).
• Check the spark plugs.
• For Blade Brake Clutch Units: Adjust the blade brake cable.
• Clean the fuel filter element (Kawasaki Units Only).
Every 250 hours
• Replace the air filter elements (Honda Units). (May need more often if they are damaged
or excessively dirty.)
Every 300 hours
• Replace the paper air filter (Kawasaki Units). (May need more often in dusty conditions.
See the Engine manual for additional information.)
Yearly • Lubricate the gear case (self-propelled units only)
Yearly or before storage • Empty the fuel tank before repairs as directed or before storage.
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