. MAINTENANCE SERVICE PROCEDURE WARNING around dust and debris, there is danger of wear protective equipment such as it 4 - 44 CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER (Machine equipped with cab) ( If scattered protective glasses and mas jury. Alway If th e air conditioner has been used, the air filter should be Stop the air conditioner b efore cleaning the element. 1. Push handle (1) and open cover (2). 2. Remove elemen t (3) and c lean i 3. Direc t dr y compresse d air ( less t han 0.6 9 MPa (7 kg/ cm 2 PSI)) to the element from inside along its f olds, then irect rom outside along it s folds and again f rom i nside.