hitachi — F. AIR CLEANER

MAINTENANCE F. AIR CLEANER 2 1 Clean the Air Cleaner Outer Element --- every 250 hours or when the restriction indicator comes ON 2 Replace the Air Cleaner Outer and Inner Elements --- after cleaning six times or after one year 1. Park the machine on a level surface. 2. Lower the bucket to the ground. 3. Turn the auto-idle switch off. M1U1-07-027 IMPORTANT: The turbocharger may be damaged if the en- gine is not properly shut down. 1 4. Run the engine at slow idle speed without load for five minutes. 5. Stop the engine. Remove the key from the key switch. 6. Pull the pilot control shut-off lever to the LOCK position. IMPORTANT:

Do not install the element and/or the cover forcibly when installing the clamps. Failure to do so may result in deformation of the clamps, element, and/or cover. 8. Remove outer element (1). 7. Loosen clamps (2) to remove the cover. M1U1-07-028 9. Tap outer element (1) with the palm of your hand, NOT ON A HARD SURFACE. CAUTION: Use reduced compressed air pressure. (Less than 0.2 MPa, 2 kgf/cm 2 ). Clear area of bystand- ers, guard against flying chips, and wear personal protection equipment including goggles or safety glasses. 10. Clean outer element (1) using compressed air. Direct the air to the inside of the filter element, blowing out. 11.

Clean the filter interior before installing outer element (1). 12. Install outer element (1). 13. Install cover and tighten clamps (2). 14. Start the engine and run at slow idle. 15. Check the air filter restriction indicator on the monitor panel. If the air filter restriction indicator comes ON, stop the engine and replace the outer element (1). 7-63