Komatsu — 12.1.1 WALK AROUND CHECK

OPERATION 2. Remove dirt and dust from around the engine, battery, radiator . Check if there is any dirt accumulation around the engine or radiator. Check also if there is any flammable material (dead leaves, twigs, grass, etc.) accumulated around the battery or high-temperature engine parts, such as the muffler or turbocharger. Remove all such dirt or flammable material. 3. Check for water and oil leakage around the engine Check that there is no oil leakage from the engine or water leakage from the cooling system. If any leak is found, repair it. 4. Check for oil leakage from transmission case, axle, hydraulic equipment, hydraulic tank, hoses, joints Check that there is no oil leakage.

If any leakage is found, repair the oil leak. 5. Check for brake line oil leakage Check that there is no oil leakage. If any leak is found, repair it. 6. Check for tire damage and wear, loose mounting bolts Check for cracks or peeling of tires, and for cracks or wear to the wheels (side rim, rim base, lock ring). Tighten any loose wheel nuts. If any abnormality is found repair or replace the part. If any valve caps are missing, install new ones. 7. Check for damaged handrail and steps, loose bolts Repair any damage and tighten any loose bolts. 8. Check for damage to gauges, monitor, loose bolts Check that there is no damage to the gauges and monitor in the operator's cab.

If any abnormality is found, replace the parts. Clean off any dirt on the surface. 9. Check for loose air cleaner mounting bolts Check for any loose mounting bolts and tighten, if necessary. 10. Check for loose battery terminals Tighten any loose terminals. WA450-3MC 2-36