BRIDGE AS 2564367 - Caterpillar

An air recirculation filter element plugged with dust will result in decreased performance and service life to the air conditioner or cab heater.To prevent decreased performance, clean the filter element, as required.
Note: Service frequency must be sufficient to prevent cab air filter plugging. Plugged filters result in dust infiltration into the cab and poor operator ventilation.
Illustration 1 g06249521
The operators seat has been removed for ease of viewing.
Illustration 2 g06351200The outside cab air filter is behind access cover (3).Note: Clean the cab air filters more often in dusty conditions.Inside Filter
Turn thumb screws (1) counterclockwise to remove the thumb screws.
Remove filter cover (2).
Remove the filter element. Clean the filter element with pressure air or wash the filter element in warm water and in a nonsudsing household detergent.
Rinse the filter element in clean water. Thoroughly air dry the filter element.
After you clean the filter element, inspect the filter element. Do not use a filter element with damaged pleats or a damaged seal. If the filter element is damaged, replace the filter element.
Install the filter element.
Install filter cover (2).
Turn thumb screws (1) clockwise to install the thumb screws.Outside Filter
Note: There is a total of 2 outside cab filters on the machine. One on each side of the cab.
Turn the thumb screws counterclockwise to remove the thumb screw.
Open access cover (3).
Remove the filter element. Clean the filter element with pressure air or wash the filter element in warm water and in a nonsudsing household detergent.
Rinse the filter element in clean water. Thoroughly air dry the filter element.
After you clean the filter element, inspect the filter element. Do not use a filter element with damaged pleats or a damaged seal. If the filter element is damaged, replace the filter element.
Install the filter element.
Close access cover (3).
Turn the thumb screws clockwise to install the thumb screw.