Exmark METRO 21 MPKA21 - Manual (Page 28)

Maintenance
11. Dip the foam element in clean engine oil, then
squeeze out the excess oil.
Note: Excess oil in the foam element restricts
the air flow through the element and may reach
the paper filter and clog it.
12. Wipe dirt from the base and the cover with a
moist rag.
Note: Be careful to prevent dirt and debris from
entering the air duct leading to the carburetor.
13. Install the air cleaner elements and ensure that
they are properly positioned.
14. Securely install the cover with the two wing nuts.
Change Engine Oil
Service Interval: After the first 5 hours
Every 50 hours (May need
more often under severe
conditions.)
1. Run the engine to warm the engine oil.
Note: Warm oil flows better and carries more
contaminates.
WARNING
Oil may be hot after engine has been
run. Contact with hot oil can cause severe
personal injury.
Avoid contacting the hot engine oil when you
drain it.
2. Stop engine, wait for all moving parts to stop.
3. Disconnect the wire from the spark plug.
4. Place a suitable drain pan under the dipstick/oil
drain.
5. Clean around the dipstick.
6. Remove the dipstick by rotating the cap
counterclockwise and pulling it out.
7. Raise the left side of the lawn mower to drain the
oil from the dipstick fill tube into the drain pan.
8. After draining the oil, return the lawn mower to
the operating position.
9. Fill the crankcase with fresh oil to the upper limit
mark on the dipstick.
10. Insert the dipstick into the filler neck and rotate
the cap clockwise until it is tight.
11. Wipe up any spilled oil.
12. Connect the wire to the spark plug.
13. Recycle the used oil according to local codes.
Changing the Oil Filter
(Kawasaki Units Only):
Service Interval: Every 100 hours
1. Run the engine to warm the oil.
2. Stop the engine and wait for all moving parts to
stop.
3. Disconnect the wire from the spark plug.
4. Drain the engine oil.
5. Place a rag under the oil filter to catch any oil that
may leak out as you remove the filter.
6. Remove the oil filter.
7. Use your finger to coat the gasket on the new
filter with clean engine oil (see Figure 25).
Figure 25
1. Gasket
8. Install the new filter and hand tighten it 2/3 turn
only.
9. Fill the crankcase to the Full line on the dipstick
with fresh oil.
10. Connect the wire to the spark plug.
11. Run the engine for about 3 minutes.
12. Stop the engine, wait for all moving parts to stop,
and check for oil leakage around the filter.
13. Add oil to compensate for the oil in the oil filter.
14. Recycle the used oil filter according to local codes.
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