Service Air Filter Honda Units | Exmark MPKA21 specification

Maintenance

2.Disconnect the wire from the spark plug (Figure 9).

3.Remove the two wing nuts that secure the cover (Figure 24).

Figure 23

1.	Cover	3.	Paper air filter
2.	Foam pre-cleaner	4.	Air filter base

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 pre-cleaner and wash it with a mild detergent and water, then blot it dry.

6.Saturate the pre-cleaner with clean engine oil, then squeeze it (Do Not twist) to remove the excess oil.

7.Install the foam pre-cleaner.

8.Install the new paper air filter.

9.Install the cover.

Service Air Filter

(Honda Units)

Service Interval: Every 25 hours—Clean the cover, base, foam and paper elements (Honda Units).

Every 250 hours— Replace the air filter elements (Honda Units). (May need more often if they are damaged or excessively dirty.)

Note: Do Not operate the engine without the air cleaner assembly; extreme engine damage will occur.

1.Stop the engine and wait for all moving parts to stop.

Figure 24

1.	Wing nuts	4.	Foam element
2.	Cover	5.	Base

3.Paper element

4.Remove the cover.

Note: Be careful to prevent dirt and debris from falling into the base.

5.Remove the foam and paper elements from the base.

6.Remove the foam element from the paper element.

7.Inspect the foam and paper elements, and replace them if they are damaged or excessively dirty.

8.Tap the paper element on a hard surface several times or use compressed air not exceeding 30 psi (207 kPa) through the filter from the wire screen side to remove any excess dirt. If the paper element is excessively dirty, replace it.

Note: Never try to brush dirt off the paper element; brushing forces the dirt into the fibers.

9.Clean the foam element in warm, soapy water or in a nonflammable solvent.

10.Rinse and dry the foam element thoroughly.