Operation 3.3 Operation 3.3 Operation 3.3.1 Check before starting engine, adjust Walk-around check Before starting the engine, walk around the machine and look to the underside of chassis for anything unusual like looseness of the bolts and nuts, leakage of fuel, oil and cooling water. Also check the condition of the work equipment and the hydraulic system. Check also for loose wiring, play, and collection of dust at places which reach high temperature. Remove any flammable materials from around the battery or engine muffler, turbocharger, or other high temperature engine parts. Leakage of fuel or oil will cause the machine to catch fire.
Check carefully, and be sure to repair any abnormalities, or please contact your KOMATSU distributor. If the machine is at an angle, reposition it level before checking. Carry out the following inspections and cleanings every day before starting the engine for the dayґs work. 1. Check for damage, wear, play in work equipment, cylinders, linkage and hoses. Check that there are no cracks, excessive wear, or play in the work equipment, cylinders, linkage or hoses. If any abnormality is found, repair it. 2. Remove dirt and dust from around engine, battery and radia- tor. Check if there is any dirt or dust accumulated around the engine or radiator.
Check also if there is any flammable material (dead leaves, twigs, etc.) accumulated around the battery or high temperature engine parts, such as the engine muffler or turbocharger. Remove all such dirt or flammable material. 3. Check for coolant or oil leakage around engine. Check that there is no oil leakage from the engine or coolant leakage from the cooling system. If any abnormality is found, repair it. 4. Check for oil leakage from HST piping, transfer case, axle, hydraulic tank, hoses and joints. Check that there is no oil leakage. If any abnormality is found, repair the leakage. WA150-5H – VEAM934100 3-55 WARNING WARNING