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

24. SERVICE PROCEDURE Install the injector hold down and capscrew. Torque Value: 75 N•m [55 ft-lb] Install the crossheads on the valves. Rotate the rocker levers down and install the push rods and push tubes. NOTE: It is necessary to bar the engine over and install the push rods and push tubes as camshaft position allows. Make sure the push rods are properly seated in the cam follower sockets. Turn the adjusting screw for each rocker lever in until it is properly seated in the push rod socket. Adjust all valves and injectors. Refer to page 3-67 up to 3-71. PC450-ENG 3-83