This comprehensive service repair manual provides in-depth information for the HYPAC C766C & C778B Vibratory Compactor. The manual covers a wide range of topics, from maintenance and assembly to disassembly and servicing, ensuring you have all the necessary resources for keeping your compactor in top condition. The manual is organized into thirteen sections to guide you through the intricacies of your machine: * **Introduction:** Begins with a general overview of the compactor and its key features. * **Specifications:** Details the technical specifications of the HYPAC C766C & C778B Compactor, including dimensions, engine details, and performance characteristics. * **Operation:** Offers comprehensive instructions on how to operate the compactor safely and efficiently, covering starting procedures, control functions, and operating techniques. * **Maintenance:** Provides a detailed maintenance schedule, outlining recommended service intervals and procedures for routine checks and preventative maintenance. * **Frame, Hitch & Falling Object/Rollover Protection Structure:** Details the construction and functionality of the compactor's frame, hitch, and safety features. * **Engine:** Covers the engine system, including troubleshooting, repair procedures, and maintenance guidelines. * **Electrical System:** Explains the electrical system of the compactor, covering components, wiring diagrams, and troubleshooting tips. * **Transmission System:** Provides detailed information on the transmission system, including repair procedures, component identification, and maintenance tips. * **Brake System:** Discusses the brake system, covering components, operation, adjustments, and troubleshooting. * **Steering System:** Explains the steering system, including component identification, repair procedures, and maintenance guidelines. * **Drum, Vibration & Drum Cleaning Systems:** Covers the drum system, including vibration mechanism, cleaning procedures, and troubleshooting. * **Water Spray System:** Details the water spray system, covering components, operation, and maintenance procedures. * **Optional Equipment:** Provides information on optional equipment available for the compactor, including specifications and installation guidelines. The manual is equipped with clear diagrams, real photographs, and step-by-step instructions to guide you through every procedure. This detailed information empowers you to confidently perform repairs, maintenance, and troubleshooting tasks without relying on external service providers.

The HYPAC C766C and C778B Vibratory Compactors are heavy-duty construction machines designed for efficient and effective soil compaction. These compactors boast a robust build with a powerful engine, a reliable vibratory system, and user-friendly controls, making them ideal for a wide range of applications in road construction, site preparation, and infrastructure development. The C766C and C778B models share a similar design philosophy, with differences in engine power, operating weight, and compaction force. The C766C is a smaller, more maneuverable model suitable for tighter spaces and smaller projects, while the C778B is a larger and more powerful unit designed for heavy-duty compaction in challenging circumstances. Both models feature a well-balanced design, ensuring stability and ease of operation. The vibratory system utilizes a combination of eccentric shafts and counterweights to generate powerful vibrations that penetrate the soil, achieving optimal compaction. The operator cabin is designed for comfort and visibility, offering an ergonomic design with intuitive controls. These compactors are engineered for long-lasting performance, utilizing high-quality components and robust construction. The C766C and C778B are equipped with advanced safety features, including a comprehensive operator protection system and robust structural components, ensuring the safety and well-being of the operator and the surrounding environment. HYPAC is renowned for its commitment to reliability and innovation, and these compactors exemplify this commitment, offering users a dependable and efficient solution for their compaction needs.