ELBOW 0030747 - 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.
Illustration 1 g01089739The recirculation filter (1) is on the lower left side of the cab.
Remove the screw (2) and open the frame (3) that holds the filter in position.
Remove the filter.
Refer to Operation and Maintenance Manual, "General Hazard Information" before using pressure air to clean the air filter element.
Clean the filter element with a maximum of 200 kPa (30 psi) pressure air.
After you clean the filter element, inspect the filter element. If the filter element is damaged or badly contaminated, use a new filter element. Make sure that the filter element is dry.