This document provides instructions for removing and installing a fuel injection pump on a 320D2 excavator. Key steps include:
1. Turning off fuel and battery power. Locking the crankshaft and camshaft using tools.
2. Cleaning the pump and area. Disconnecting fuel lines and capping connections. Removing mounting bolts and bracket.
3. Inspecting the housing bore. Installing a new O-ring and bolts. Ensuring timing is correct before installing the fuel pump gear. Reconnecting lines and testing.