This comprehensive Service Repair Manual provides in-depth information on maintaining, assembling, disassembling, and servicing your HYPAC C766C & C778B Vibratory Compactor. The manual is meticulously organized into 13 sections, catering to every aspect of your machine's operation and maintenance. **Section 1 - Introduction** sets the stage by providing an overview of the manual's purpose and structure. **Section 2 - Specifications** outlines the technical specifications of your HYPAC C766C & C778B Vibratory Compactor, including critical dimensions, performance parameters, and component details. **Section 3 - Operation** delves into the step-by-step operation of the compactor, covering safe and efficient usage, operating procedures, and essential safety precautions. **Section 4 - Maintenance** focuses on preventative and routine maintenance procedures, encompassing regular inspections, lubrication schedules, and recommended replacement intervals for critical components. **Section 5 - Frame, Hitch, and Falling Object/Roll Over Protection Structure** provides detailed information on the structural components of the compactor, including their function, assembly, and disassembly procedures, as well as safety guidelines for working with these components. **Section 6 - Engine** offers a comprehensive guide to your compactor's engine, covering its operation, maintenance, troubleshooting, and repair procedures. **Section 7 - Electrical System** details the electrical system of the compactor, including wiring diagrams, component descriptions, troubleshooting tips, and repair procedures for electrical components. **Section 8 - Transmission System** provides a comprehensive understanding of your compactor's transmission, covering its operation, maintenance schedules, troubleshooting methods, and repair procedures for transmission components. **Section 9 - Brake System** outlines the operation, maintenance, and repair procedures of the brake system, ensuring proper stopping power and safe operation of your compactor. **Section 10 - Steering System** focuses on the steering system of the compactor, detailing its operation, maintenance, troubleshooting, and repair procedures. **Section 11 - Drum, Vibration, and Drum Cleaning Systems** dives into the intricacies of the drum system, covering drum operation, vibration mechanisms, and drum cleaning procedures. **Section 12 - Water Spray System** explains the operation, maintenance, and troubleshooting of the water spray system, ensuring optimal performance and dust control. **Section 13 - Operating Lights and Directional Signals** provides details on the lights and signals that enhance visibility and communication during operation. This manual extensively utilizes clear and concise explanations, detailed diagrams, and real-life photographs to guide you through every process. The content is structured to enable you to effectively diagnose issues, understand repair procedures, and confidently maintain your HYPAC C766C & C778B Vibratory Compactor.

The HYPAC C766C and C778B vibratory compactors are heavy-duty machines designed for a wide range of compaction applications, particularly in the construction and infrastructure industries. These compactors are known for their robust construction, powerful engines, and efficient compaction capabilities. The C766C features a powerful Cummins engine, providing ample power for demanding tasks, and is equipped with a hydraulically-driven vibratory system that effectively compacts a variety of materials. The C778B, on the other hand, is a larger and more powerful machine, also powered by a Cummins engine. It boasts an enhanced hydraulic system and a larger vibratory force, making it ideal for compacting large volumes of materials, such as those found in road construction projects. Both models are designed with operator comfort and safety in mind, featuring spacious cabs with ergonomic controls and comprehensive safety features. The HYPAC C766C and C778B are highly versatile machines, capable of handling a variety of compaction tasks, including asphalt paving, soil compaction, and gravel compaction. Their powerful engines, efficient vibratory systems, and robust build quality make them reliable and productive tools for construction professionals. The Service Repair Manual #2 provides comprehensive information and instructions on maintaining and repairing these compactors, enabling technicians to keep these machines operating at peak performance. Whether it's addressing routine maintenance tasks or troubleshooting complex issues, this manual serves as an essential resource for ensuring the longevity and optimal operation of these vital pieces of construction equipment.