1. The document provides instructions for removing and installing the governor, camshaft, and fuel injection pump on a Caterpillar 303.5E2 CR Mini Hydraulic Excavator. 2. To remove the governor and camshaft, brackets and bolts must be removed, allowing the camshaft to be lifted out. Individual components like gears and bearings can then be disassembled. 3. Removal of the fuel injection pump involves disconnecting lines and electrical connections, removing mounting nuts and bolts, and lifting the pump off while being careful not to contaminate any parts.