Only in an emergency, use compressed air of 100 pounds per square inch (psi)
(690 kilopascals [kPa] ) or less. Blow dust from inside out Hold nozzle no
closer than 1 in. (25 mm) from metal cover so you do not tear paper. If filter is
torn, dirt will enter engine and damage it.
Do not rap filter against hard surface to clean it. You might damage seals and
allow dirt to enter engine.
Do not wash filter more than 2 times. When it is due for third washing, replace
Rinse dust away from filter element (9) with clean water at no more than 10 psi (69 kPa).
Soak filter element (9) in lukewarm water using nonfoaming detergent (Appx. D, item 14) for 15 minutes.
Do not use solvents, fuel oils, or gasoline.
Shake filter element (9) slightly before removing from water.
Rinse filter element (9) with clean water (low pressure) from inside out.
Set filter element (9) aside in a dust-free area to dry or circulate heated air at no more than 150F (66C).
Wipe inside of air filter housing (10) with clean water-damp cloth (Appx. D, item 40) and inspect filter
element (9) for tears or holes. If any are found, replace filter element.
Install filter element (9) and hand tighten filter element wingnut (8).
Install dust cover baffle (5), ring (7), and wingnut (6).
Install four wingnut clamps (3).
Inspect filter element (9) by shining a light from inside out. If a tear or hole is discovered, replace filter
Have all damaged seals replaced immediately.