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

12. OPERATION 3. Lower the bucket horizontally until the bottom touches the ground. 4. Set safety lock lever c in the LOCK position. FREE 12.17 CHECK AFTER FINISHING WORK Check the engine water temperature, engine oil pressure and fuel level on the monitor. PC450-ENG 2-77