This document provides instructions for disassembling and assembling a swing drive on a wheeled excavator model M316D. The removal procedure involves releasing hydraulic pressure, removing hoses and bolts, and using lifting tools to remove the swing drive assembly. The disassembly procedure then describes using various tools to remove retaining rings, plates, discs, seals, gears, and other internal components. The assembly procedure outlines cleaning and lubricating parts, and using tools to reinstall components in reverse order, taking care to properly seat bearings and tighten nuts to the specified torques.