1. The document provides instructions for assembling and installing the swing drive of an excavator model 330D L.
2. It describes 30 steps for assembling bearings, gears, housings and other components of the swing drive. Lubricants, tools and torque specifications are also listed.
3. The installation procedure describes 6 steps for installing the assembled swing drive into the excavator frame using lifting devices, bolts, sealants and torque wrenches.