OPERATION OPERATION OPERATION CHECK BEFORE STARTING ENGINE, ADJUST WALK-AROUND CHECK Before starting the engine, look around the machine and under the machine to check for loose nut or bolts, or leak- age of oil, fuel, or coolant, and check the condition of the work equipment and hydraulic system. Check also for loose wiring, play, and collection of dust at places which reach high temperatures. WARNING Leakage of oil or fuel, or accumulation of flammable material around high temperature parts, such as the engine muffler or turbocharger, may cause fire. Check carefully, and if any abnormality is found, repair it or contact your Komatsu distributor.
Do not get on or off the machine from the rear. Using this position is dangerous because it is easy to slip and you cannot be seen from the operator's compartment. Always use the handrail and step at the side when getting on or off the machine. If the machine is at an angle, make it horizontal before checking. Always carry out the items in this section before starting the engine each day. 1. Check for damage, wear, play in work equipment, cylinders, linkage, 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 the dirt from around the engine, battery, and radiator.
Check that there is no dirt accumulated around the engine or radiator. Check also that there is no flammable material (dry leaves, twigs, etc.) around the battery, engine muffler, turbocharger, or other high temperature parts of the engine. If any dirt or flammable materials are found, remove them. 3. Check for leakage of water or oil around engine Check that there is no leakage of oil from the engine or leakage of water from the cooling system. If any abnormality is found, repair it. 4. Check for oil leakage of oil from power train case, final drive case, hydraulic tank, hose, joints Check that there is no oil leakage. If any abnormality is found, repair the place where the oil is leaking.
Check for leakage of oil from the undercover. Check the ground for traces of oil leakage. 5. Check the undercarriage (track, sprocket, idler, guard) for damage, wear, loose bolts, or leakage of oil from rollers If any abnormality is found, repair it. 6. Check for damage to handrail, loose bolts If any abnormality is found, repair it. Tighten any loose bolts. 3-42