This comprehensive manual provides essential information for maintaining, assembling, disassembling, and servicing your Hypac C766C and C778B Vibratory Compactors. It is designed to help you achieve peak performance through effective, economical, and safe machine operation and maintenance. The service repair manual delves into the intricacies of the machine, offering detailed specifications, diagrams, and real-life photographic illustrations. It guides you through step-by-step procedures for repair, diagnosis, servicing, technical maintenance, and troubleshooting. This manual equips you with the knowledge to identify problems and understand how to repair and maintain your machine independently. The parts manual is a comprehensive guide to part replacement for your Hypac C766C and C778B Vibratory Compactors. It features a wealth of illustrations and part numbers, accompanied by step-by-step instructions and highly detailed exploded diagrams. This ensures you can complete replacement tasks correctly and efficiently. The operation and maintenance manual focuses on procedures for operating, handling, lubricating, maintaining, checking, and adjusting your machine. This manual serves as a valuable resource for operators and maintenance personnel, enabling them to maximize performance while ensuring safe and cost-effective operation. The service repair manual is organized into sections covering: **Introduction:** This section provides an overview of the manual and its purpose. **Specifications:** This section outlines the technical specifications of the Hypac C766C and C778B Vibratory Compactors. **Operation:** This section covers the proper operation of the machine. **Maintenance:** This section details the recommended maintenance procedures for the machine. **Frame, Hitch, and Falling Object / Roll Over Protection Structure:** This section covers the frame, hitch, and safety features. **Engine:** This section focuses on the engine system of the machine. **Electrical System:** This section describes the electrical system of the machine. **Transmission System:** This section covers the transmission system of the machine. **Brake System:** This section explains the brake system of the machine. **Steering System:** This section details the steering system of the machine. **Drum, Vibration, and Drum Cleaning Systems:** This section discusses the drum, vibration, and drum cleaning systems. **Water Spray System:** This section covers the water spray system of the machine. **Optional Equipment:** This section describes any optional equipment available for the machine. The parts manual includes sections for: **Frames & Hitch:** This section covers the frames and hitch components. **Hood & Covers:** This section addresses the hood and covers of the machine. **Cockpit & Seats:** This section focuses on the cockpit and seats of the machine. **Engine, Cooling, & Exhaust:** This section covers the engine, cooling, and exhaust systems. **Fuel:** This section deals with the fuel system of the machine. **Scrapers:** This section describes the scrapers of the machine. **Water Spray System:** This section details the water spray system of the machine. **Drum / Tires:** This section covers the drum and tires of the machine. **Steering:** This section addresses the steering system of the machine. **Brakes & 2-Speed:** This section covers the brakes and two-speed system. **Hydraulic Supply & Return:** This section explains the hydraulic supply and return system. **Hydrostatic & Vibratory Drive:** This section details the hydrostatic and vibratory drive system. **Electrical:** This section focuses on the electrical system of the machine. **Paint & Decals:** This section covers the paint and decals of the machine. **ROPS/FOPS & Seat Belts:** This section addresses the rollover protection structure (ROPS)/falling object protection structure (FOPS) and seat belts. **Optional Equipment:** This section describes any optional equipment available for the machine. **Index-Numerical:** This section provides a numerical index for easy reference. **Preface and Instructions:** This section provides an introduction and instructions for using the parts manual. **Engine / Fitting Parts:** This section covers the engine and its fitting parts. **Power Transmission / Actuation:** This section describes the power transmission and actuation systems. **Transmission / Accionamientos:** This section covers the transmission and actuation systems in Spanish. **Steering System:** This section details the steering system of the machine. **Frame with Attachment Parts:** This section covers the frame and its attachment parts. **Electrical System:** This section explains the electrical system of the machine. **Accessories:** This section describes the accessories of the machine. **Special Equipment:** This section covers any special equipment associated with the machine. The operation and maintenance manual is divided into sections covering: **Introduction:** This section provides an overview of the manual and its purpose. **Specifications:** This section outlines the technical specifications of the Hypac C766C and C778B Vibratory Compactors. **Operation:** This section covers the proper operation of the machine. **Maintenance:** This section details the recommended maintenance procedures for the machine.

The Hypac C766C and C778B Vibratory Compactors are heavy-duty construction equipment designed for efficient and reliable compaction of various soil types and materials. These compactors are typically employed in large-scale construction projects, including road building, airfield construction, and industrial site development. Their robust construction and powerful vibration system allow them to effectively consolidate materials, ensuring optimal density and stability for the finished surface. The C766C and C778B models share a similar design philosophy, featuring a powerful engine and a well-balanced, articulated frame that provides excellent maneuverability and traction across uneven terrain. While specific details may vary between the two models, both offer a range of features designed to enhance operator comfort and productivity, including ergonomic controls, intuitive instrumentation, and a comfortable operator's cab. The C766C and C778B Vibratory Compactors are built to withstand the rigors of demanding construction environments. They incorporate high-quality components and robust construction techniques to ensure long-lasting durability and reliable performance. The compactors feature a powerful engine capable of delivering ample power to the vibration system, ensuring optimal compaction efficiency. The vibration system itself is designed for high-frequency and amplitude vibrations, effectively consolidating the soil or material under the machine's weight. The compactors also incorporate advanced hydraulic systems to control the vibration intensity, travel speed, and other critical functions. The C766C and C778B are further equipped with a range of safety features, including emergency stop systems, rollover protection structures, and warning lights, ensuring a secure working environment for the operator. These features contribute to the overall reliability and safety of the compactors, making them a valuable asset on any large-scale construction project.