12. OPERATION 12.1 CHECK BEFORE STARTING ENGINE Perform following check for operator safety and maintenance of machine performance. 12.1.1 WALK-AROUND CHECK ¤ 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. Before starting the engine, look around the machine and under the machine to check for loose nut or bolts, or leakage 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. Always carry out the items in this section before starting the engine each day. 2, 3 2 8 6 5 1 AM090150 10 5 6 9 4 7, 11 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. 2-41