Length of Clip: 1:49
Before you begin the process of changing your push mower's air filter, make sure you have the correct replacement filter for your engine. You can refer to your engine's manual to determine which parts are right for your machine.
Disconnect the spark plug wire to prevent accidental starting.
Turn the thumbscrew on the cover of your push mower's air filter counter-clockwise. Remove the thumbscrew and set it aside.
Rotate the cover of the push mower's air filter outward and remove it from the housing.
Remove the filter element from the housing.
Note: Remember how the push mower's air filter fits into the cover, and make sure you install the replacement the same way.
Remove the paper-pleated element and foam pre-cleaner from the cover.
Lightly oil the foam pre-cleaner with a few drops of new oil. Do not over-oil the pre-cleaner. Squeeze the foam to evenly distribute the oil and remove any excess.
Insert the foam pre-cleaner into the cover of the lawn mower's air filter.
Place the new air filter into the cover with the metal screen facing out.
Put the tabs on the cover of the lawn mower's air filter into the slots on the housing.
Secure the housing with the thumbscrew.
Replace the spark plug wire.