The Wacker Neuson Excavator ET16 1404 Service Manual is a comprehensive guide focused on the maintenance and servicing of the ET16 and 1404 models. It provides detailed instructions on routine checks, servicing procedures, and adjustments for critical systems, including the engine, hydraulics, and electrical components. The manual also includes technical specifications, service intervals, and preventive maintenance tips to ensure the excavators operate efficiently and reliably. This manual is an essential resource for keeping the ET16 and 1404 models in peak condition.