The installation of a slewing bearing is a critical procedure that must be performed with precision to ensure longevity and prevent premature failure. For the Caterpillar 306E, the general process is as follows:
Important Note: This is a general overview. Always consult the official Caterpillar Service Manual for the 306E for specific tools, torque values, and procedures.
Preparation:
Safety First: Park the machine on a firm, level surface. Lower the attachment to the ground, secure the upper structure to prevent movement, and release all hydraulic pressure.
Disassembly: Remove the upper structure from the undercarriage. This is a major operation requiring appropriate lifting equipment and support stands.
Thorough Cleaning: After the old bearing is removed, meticulously clean the mounting surfaces on both the upper frame and the undercarriage (swing circle). Remove all old sealant, rust, dirt, and burrs. Any high spots can cause distortion.
This 240-8362 slewing bearing is used for 308D 308E 308E2 excavator.






Related part number:
4I-9280
106-9162
240-8361
3B-8486
240-8363
095-1299












