MUFFLER 0037130 - Caterpillar

Always replace the secondary element. Do not attempt to reuse it by cleaning. Engine damage could result.
Note: Replace the secondary filter element when you service the primary element for the third time. If a clean primary element has been installed and the air inlet restriction indicator on the display is still illuminated, replace the secondary filter element.
Illustration 1 g02640040
Open the left engine access door.
Remove the housing cover to the precleaner body assembly.
Illustration 2 g02341019
Secondary air cleaner element
Remove the secondary element. The secondary element is on the end of the air cleaner group toward the cab.
Cover the air inlet opening. Clean the inside of the air cleaner housing.
Inspect the gasket between the air inlet and the housing. If the gasket is damaged, replace the element.
Uncover the air inlet opening. Install a new secondary element.
Install the air cleaner housing cover.
Close the engine access door.