HOSE AS 4795711 - Caterpillar

Always replace the secondary filter element. Never attempt to reuse it by cleaning.The secondary filter element should be replaced at the time the primary element is serviced for the third time.The secondary filter element should also be replaced if the yellow piston in the filter element indicator enters the red zone after installation of a clean primary element, or if the exhaust smoke is still black.
Open the engine access door on the right side of the machine.
Illustration 1 g00101864
Remove the air cleaner housing cover (1) .
Remove the primary filter element (2) from the air cleaner housing.
Illustration 2 g00038606
Remove the secondary filter element.
Illustration 3 g00101865
Cover the air inlet opening. Clean the inside of the air cleaner housing.
Inspect the gasket between the air inlet pipe and the air cleaner housing. Replace the gasket if the gasket is damaged.
Uncover the air inlet opening. Install a new secondary element.
Install the primary element and the air cleaner housing cover. Fasten the clips in order to secure the air cleaner housing cover.
Illustration 4 g00909287
Reset the filter element indicator.
Close the engine access door.