24. SERVICE PROCEDURE 24.2.2 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT ¤ WARNING Never clean or replace the air cleaner element with the engine running. When using pressure air to clean the element wear safety glasses or goggles to protect the eyes. CHECK If the red piston can be seen in transparent portion of dust indicator 1 , clean the air cleaner element. NOTICE Do not clean the air cleaner element until the air cleaner clogging monitor on the monitor panel flashes. If the element is cleaned frequently before the clogging monitor flashes, the air cleaner will not be able to display its performance fully, and the cleaning efficiency will also go down.
In addition, during the cleaning operation, more dirt stuck to the element will fall inside the inner element. CLEAN, REPLACE OUTER ELEMENT 1. Loosen wing nut 2 , then remove the outer element 3 . 2. Clean the air cleaner body interior. 3. Direct dry compressed air (less then 700 kPa (7 kg/cm 2 , 100 psi)) to the element from inside along its folds, then direct it from outside along its folds and again from inside. 1) Remove one seal from the outer element. The number of times the outer element has been cleaned can be seen by the number of removed seals. 2) Replace the outer element which has been cleaned 6 times repeatedly or used throughout a year.
Replace the inner element at the same time. 3) Replace the element when the air cleaner clogged warning lamp lights up soon after installing the cleaned element even though it has not been cleaned 6 times. 4) Check inner element mounting nuts for looseness and, if necessary, retighten. 5) Replace seal washer 4 or wing nut 2 with new parts if they are broken. NOTICE If small holes or thinner parts are found on the element when it is checked with an electric bulb after cleaning and drying, replace the element. Do not use an element whose folds or gasket or seal are damaged. When cleaning the element, do not hit it or beat it against something. 4. Set the cleaned element. 3-27