Limpie la unidad por fuera.
Limpiar la boca del filtro de aceite de la cadena.
Limpiar la ranura y la boca del filtro de aceite de la barra de guía.
Limpiar el aserrín de la caja lateral.
Comprobar que la cadena de la sierra está filosa.
Comprobar que lastuercas de la barra están apretadas suficientemente.
Comprobar que no esté dañada la protección de transporte de la cadena y pueda ser firmemente fijada.
Compruebe que las tuercas y tornillos están apretados.
Compruebe el aparato de arranque en especial, la cuerda y el muelle de recuperación. 
Limpie la bujía por fuera.
Desmónte la bujia y compruebe la distancia entre electrodos que ha de ser de 0,6 mm (0,024 pulgadas), o cambie la bujía.
Limpie las aletas de refrigeración del cilindro y compruebe que no se ha obstruido la admisión de aire.
Limpie el filtro de aire.
Lavar el tanque de combustible con gasolina y limpiar el filtro de combustible.
Limpiar el filtro de aceite de la cadena.
Limpie el carburador por fuera y los alrede- dores del mismo.
Limpie el ventilador y sus alrededores. 
Limpiar el carbón del silenciador.
CS30EG, CS30EJ, CS30EG (S), CS35EJ, CS35EG (S) specifications
The Hitachi CS35EG, CS35EG (S), CS35EJ, CS30EG (S), and CS30EJ are part of Hitachi's innovative line of compact excavators designed to meet the diverse needs of construction, landscaping, and infrastructure projects. These machines are engineered for efficient performance, exceptional maneuverability, and operator comfort.One of the standout features of the CS35 series is its compact design, allowing for easy navigation in tight spaces. This makes it an ideal choice for urban construction sites where space is often limited. The small footprint is complemented by a powerful engine that provides not only strong digging force but also impressive lifting capabilities, ensuring that operators can tackle a wide range of tasks with ease.
The Hitachi CS35EG and its variants incorporate advanced hydraulic systems that deliver precise control, enhancing productivity. The hydraulic performance is optimized for both digging and lifting, giving operators the ability to perform tasks with improved efficiency. Furthermore, the machines feature an adjustable boom and a variety of bucket sizes, providing the flexibility needed for diverse applications.
Comfort and convenience for the operator are prioritized in these excavators. The spacious cab offers a high degree of visibility, reducing blind spots and increasing safety on the job site. Ergonomic controls ensure that operators can work for extended periods without discomfort. The air conditioning and heating options provide year-round comfort, enabling productivity in all weather conditions.
In terms of technology, the CS35 series includes intuitive user interfaces that simplify operation and maintenance. The inclusion of advanced monitoring systems allows operators to keep track of machine performance in real-time, aiding in timely maintenance and reducing downtime. Additionally, with eco-friendly engine options, these excavators help minimize environmental impact while ensuring compliance with regulations.
The Hitachi CS30 models, such as the CS30EG (S) and CS30EJ, continue the legacy of their larger counterparts, featuring similar design philosophy but tailored for slightly smaller-scale operations. They maintain the high efficiency, reliability, and versatility that Hitachi is known for.
Overall, the Hitachi CS35EG, CS35EG (S), CS35EJ, CS30EG (S), and CS30EJ represent an excellent choice for operators seeking compact excavators that combine power, efficiency, and operator-friendly features, making them indispensable tools in modern earthmoving and construction projects.