Komatsu — Komatsu PC450LC-6 Hydraulic Excavator Operation & Maintenance Manual (EN)

12. OPERATION 12.2 STARTING ENGINE 12.2.1 NORMAL STARTING WARNING Check that there are no persons or obstacles in the surrounding area, then sound the horn and start the engine. NOTICE Do not keep the starting motor rotating continuously for more than 20 seconds. If the engine will not start, wait for at least 2 minutes before try- ing to start the engine again. 1. Set fuel control dial a at the low idling (MIN) position. 2. Turn the key in starting switch b to the START position. The engine will start. 3. When the engine starts, release the key in starting switch b . The key will return automatically to the ON position. PC450-ENG 2-48