Exmark Commercial 21 850 - Manual (Page 26)

Maintenance
Service Air Filter
(Kawasaki Units)
Service Interval: Every 25 hours—Clean
the foam pre-cleaner
(Kawasaki Units).
Every 300 hours—
Replace the paper air
filter (Kawasaki Units).
(May need more often in
dusty conditions. See
the Engine manual for
additional information.)
Note: Do Not operate the engine without the air
filter assembly; extreme engine damage will occur.
1. Stop engine, wait for all moving parts to stop.
2. Disconnect the wire from the spark plug
(Figure 11).
3. Remove the cover and clean it thoroughly.
Figure 26
EC21KA, EC21KACA, EC21KAX, EC21KAY,
EC21KABBC, EC21KABBCCA, EC21KABBCX,
EC21KABBCY Units
1. Cover 3. Paper air filter
2. Foam element 4. Air filter base
Figure 27
EC21ASKA and EC21ASKAP Units
1. Cover 3. Foam element
2. Paper air filter
4. Remove the paper air filter and discard it as
required.
Note: Do Not try to clean a paper air filter.
5. Remove the foam element and wash it with a mild
detergent and water, then blot it dry.
6. Saturate the element with clean engine oil, then
squeeze it (Do Not twist) to remove the excess oil.
7. Install the foam element.
8. Install the new paper air filter.
9. Install the cover.
Service Air Filter
(EC21ASHN Units)
Service Interval: Every 25 hours—Clean
the cover, base, foam
and paper elements
(EC21ASHN Units).
Every 250 hours— Replace
the air filter elements
(EC21ASHN Units). (May
need more often if they are
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