This document provides the disassembly and assembly procedures for the travel motor of a 336E excavator. The disassembly procedure involves 27 steps to remove components such as the head, springs, brake piston, plates, and seals. The assembly procedure reverses the disassembly steps and includes lubricating components before installing them and ensuring proper alignment of parts using marks made during disassembly. Special safety precautions and tools are noted throughout to properly release spring forces and install seals and bearings.