24. SERVICE PROCEDURE 24.1 WHEN REQUIRED 24.1.1 CHECK, CLEAN AND REPLACE THE AIR CLEANER ELEMENT WARNING Never clean or replace the air cleaner element with the engine running. When using pressured air to clean the element, wear safety glasses or goggles to protect the eyes. Checking If air cleaner clogging monitor c flashes, clean the air cleaner element. c Cleaning or replacing the outer element 1. Open the engine hood, loosen wing nut b , then remove cover f . Remove wing nut, then take out element c . 2. To prevent dirt or dust from entering, use tape or a clean cloth to cover the inner element of the air cleaner body. 3. Clean the air cleaner body interior and the cover. 4.
Direct dry compressed air (less than 700 kPa (7 kg/cm 2 , 100psi)) to element c 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 whenever the outer element has been cleaned. 2) Replace the outer element which has been cleaned 6 times re- peatedly or used throughout a year. Replace the inner element at the same time. 3) Replace both inner and outer elements when the monitor lamp c flashed soon after installing the cleaned outer element even though it has not been cleaned 6 times. 4) Check inner element mounting nuts for looseness and, if neces- sary, retighten. PC450-ENG 3-24