Maintenance; Recommended Maintenance Schedule - Exmark Metro 21 Operator's Manual

Maintenance

Note: Determine the left and right sides of the machine from the normal operating position.

Recommended Maintenance Schedule

Maintenance Service
Interval
Each Use
5 Hours
25 Hours
50 Hours
75 Hours
100 Hours
250 Hours
1
Change the engine oil after the first 5 operating hours.
Important Refer to your engine owner's manual for additional maintenance procedures.
Maintenance Procedure
Check the engine oil level. Refer to Checking the Engine Oil Level on page 15.
Check the stopping time of the blade brake. The blade must stop within
3 seconds of releasing the control bar; if it does not, contact an Authorized
Service Dealer for repair.
Remove grass clippings and dirt from under the housing. Refer to Cleaning
under the Housing on page 15.
Clean the discharge tunnel and the discharge tunnel plug. Refer to Cleaning the
Discharge Tunnel and Plug on page 16.
Inspect the air cleaner elements. Refer to Servicing the Air Cleaner on page 16.
Check the blade and the engine mounting fasteners. Tighten loose fasteners.
Clean the air cleaner elements; clean them more frequently in dusty operating
conditions. Refer to Servicing the Air Cleaner on page 16.
Lubricate the pivot arms (self-propel model only). Refer to Lubricating the Pivot
Arms on page 19.
1
Change the engine oil.
Sharpen or replace the blade; maintain it more frequently if the edge dulls
quickly in rough or in sandy conditions. Refer to Maintaining the Blade on
page 17.
Remove grass clippings and debris from under the belt cover. Refer to Cleaning
under the Belt Cover on page 18.
Have an authorized engine servicing dealer check and adjust the flywheel brake
pad.
Adjust the self-propel drive system (self-propel model only). Refer to Adjusting
the Self-propel Drive on page 19.
Inspect, clean, and adjust the spark plug; replace it if necessary. Refer to
Servicing the Spark Plug on page 20.
Lubricate the gear case (self-propel model only). Refer to Lubricating the Gear
Case on page 20.
Adjust the blade brake cable. Refer to Adjusting the Blade Brake Cable on
page 20.
Service the wheels. Refer to Servicing the Wheels on page 21.
Have an authorized engine servicing dealer check and adjust the idle speed,
check and adjust the valve clearance, and clean the fuel tank and filter.
Replace the air cleaner elements; replace them more frequently in dusty
operating conditions. Refer to Servicing the Air Cleaner on page 16.
Replace the spark plug. Refer to Servicing the Spark Plug on page 20.
Have an authorized engine servicing dealer check for leaks in the fuel system
and/or a deteriorating fuel hose. Replace parts if necessary.
14
Refer to Changing the Engine Oil on page 19.