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

24. SERVICE PROCEDURE 2. The Helilok ® point (A) twists onto the adapter (B) and is secured by the plug (C), which is inserted into the side of the adapter, and the pin (D) which is driven in from the top. The recommended tools for installation and removal are a Removal Tool (E) and a 1 to 2 kg (2 to 4 lb.) hammer (F). 3. Place the small end of the Removal Tool on top of the pin and strike it drive with the hammer. It may take a few solid blows. 4. Complete the drive with the long end of the Removal Tool until the pin comes out the bottom. When removing the Tool from the groove, be careful not to dislodge the point. 5. Remove the point by twisting counterclockwise.

Make sure the plug is fully seated so the point may require several blows with the hammer to loosen any impacted fines. PC450-ENG 3-40