Komatsu — 24.2 WHEN REQUIRED

24. SERVICE PROCEDURE 4. After cleaning, put a light bulb inside the element, and if small holes or thinner parts are found, replace the element. NOTICE When cleaning the element, do not hit it or beat it against anything. Do not use any element if the element folds or gasket or seal are damaged. AE063690 5. Install the cleaned element. 6. Press the button of dust indicator 1 to return the red piston to its original position. REPLACING INNER ELEMENT 1. First remove the outer element, and then remove the inner element. 2. To prevent dust from getting in, use a clean cloth or tape to cover the air connector (outlet side). 3.

Clean the air cleaner body interior, then remove the cover installed in Step 2. 4. Fit a new inner element to the connector and tighten it with nuts. Do not clean and reinstall an inner element. 5. Install the outer element and the cover. 6. Remove evacuator valve 4 and clean it with compressed air. After cleaning, install it again. 7. After replacing the element, return the red piston in the dust indicator to its original position. REMARK When both inner element and outer element are installed, tighten the nuts while swinging the element lightly so the sealing rubber contacts with the body internal. The following methods require spare parts.

With water Dash city water (less than 0.29 MPa (3 kgf/cm 2 , 42.6 PSI) on element from inside along folds, then from outside and again from inside. Dry and check it. With cleaning agent For removing oils and fats as well as carbon etc. attached on the element, the element may be cleaned in lukewarm solution of mild detergent, then rinsed in clean water and left to drip dry. Drying can be speeded up by blowing dried compressed air less than 0.69 MPa (7 kgf/cm 2 , 99.4 PSI) from the inside to the outside of the element. Never attempt to heat the element. Using warm water (about 40˚C) instead of soapy water may also be effective. 3-29