HOSE 2096964 - Caterpillar

Service the air cleaner only with the engine stopped. Engine damage could result if the air cleaner is serviced while the engine is running.
Service the air cleaner filter element when the yellow piston on the engine air filter service indicator enters the red zone. Refer to Operation and Maintenance Manual, "Engine Air Filter Service Indicator - Inspect".
Caterpillar recommends certified air filter cleaning services that are available at Caterpillar dealers. The Caterpillar cleaning process uses proven procedures to assure consistent quality and sufficient filter life.Observe the following guidelines if you attempt to clean the filter element:Do not tap or strike the filter element in order to remove dust.Do not wash the filter element.Use low pressure compressed air in order to remove the dust from the filter element. Air pressure must not exceed 207 kPa (30 psi). Direct the air flow up the pleats and down the pleats from the inside of the filter element. Take extreme care in order to avoid damage to the pleats.Do not use air filters with damaged pleats, gaskets, or seals. Dirt entering the engine will cause damage to engine components.
Illustration 1 g01357913
Location of the engine air filter
(1) Engine Air Filter Service Indicator
(2) Engine Air Filter
Open the engine hood.
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Release the 3 clips on the air cleaner housing cover. Remove the air cleaner housing cover.
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Remove the primary filter element.
Install a clean air filter element. Install the air cleaner housing cover and fasten the clips.
Reset the engine air filter service indicator. If the yellow piston in the indicator remains in the red zone, replace the secondary element.