Komatsu — Komatsu PC450-6K and PC450LC-6K Hydraulic Excavator Operation & Maintenance Manual

24. SERVICE PROCEDURE 24.7.2 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL WARNING The oil is at high temperature immediately after the machine has been operated. Wait for the oil to cool down before carry- ing out maintenance. NOTICE Park the machine on flat ground and stop the engine. After waiting for more than 30 minutes after stopping the engine, check the oil level. 1. Open the door on the left side of the machine. 2. Remove plug G and check the oil level. If the oil is up to near the bottom of the plug hole, it is normal. If insufficient, remove the plug F and add oil through the hole of plug F up to the bottom of the plug hole G . For details of the oil to use, see 20.

“USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE”. NOTICE If excess oil is supplied, drain it to the specified amount to avoid overheating. 3. Install plug G and F 4. Close the door. PC450-ENG 3-66