The document provides instructions for removing and installing various components on a 320C excavator, including: 1) Removing and installing actuator motors that control air dampers and distributors by disconnecting wiring harnesses, removing screws and linkage attachments, and reversing the process for installation. 2) Removing and installing a fan speed control by disconnecting wiring, removing mounting screws, and reversing for installation. 3) Removing and installing a temperature sensor by removing mounting plates, disconnecting wiring, and reversing for installation. 4) Removing and installing a coolant temperature sensor by disconnecting wiring and reversing for installation.