The **Doosan DX27Z Shop Service Manual** is a comprehensive guide for the maintenance, repair, and servicing of the Doosan DX27Z mini excavator. It provides detailed instructions on diagnosing and repairing key systems, including the engine, hydraulic components, electrical systems, and undercarriage. The manual includes step-by-step procedures, troubleshooting tips, technical diagrams, and specifications to ensure accurate and efficient servicing. This manual is an essential resource for mechanics and technicians to maintain the performance and reliability of the Doosan DX27Z excavator.