This comprehensive service repair manual provides in-depth information for maintaining, assembling, disassembling, and servicing your HYPAC C766C & C778B Vibratory Compactor. It covers all aspects of the machine, from basic operation to advanced troubleshooting. The manual is organized into thirteen sections, each dedicated to a specific system or component of the compactor. These sections include: * **Introduction:** Provides an overview of the manual and its purpose. * **Specifications:** Outlines the technical specifications of the HYPAC C766C & C778B Vibratory Compactor, including dimensions, weights, and engine details. * **Operation:** Explains the proper operation of the compactor, including starting, stopping, and operating procedures. * **Maintenance:** Covers routine maintenance tasks such as fluid checks, filter replacements, and inspections. * **Frame, Hitch and Falling Object / Roll Over Protection Structure:** Provides detailed information about the compactor's frame, hitch system, and safety features. * **Engine:** Offers comprehensive coverage of the engine system, including troubleshooting, repair, and maintenance procedures. * **Electrical System:** Explains the compactor's electrical system, including wiring diagrams and troubleshooting guides. * **Transmission System:** Covers the transmission system, including operation, maintenance, and repair procedures. * **Brake System:** Provides detailed information about the brake system, including diagnosis, adjustment, and repair. * **Steering System:** Covers the steering system, including operation, maintenance, and troubleshooting. * **Drum, Vibration and Drum Cleaning Systems:** Explains the drum, vibration, and cleaning systems, including maintenance and repair procedures. * **Water Spray System:** Covers the water spray system, including operation, maintenance, and repair. * **Optional Equipment:** Provides information on optional equipment available for the HYPAC C766C & C778B Vibratory Compactor. The manual is fully illustrated with clear diagrams, exploded views, and photographs that guide you through every step of each procedure. It also includes searchable text, allowing you to easily find the information you need. This manual is an essential resource for anyone working on a HYPAC C766C & C778B Vibratory Compactor, whether you are a professional mechanic or a DIY enthusiast.

The HYPAC C766C and C778B Vibratory Compactors are heavy-duty construction equipment designed for efficient and reliable compaction of various materials, particularly in large-scale infrastructure projects. These compactors are renowned for their powerful vibration system and robust construction, enabling them to handle demanding tasks with ease. The C766C and C778B models share a common foundation but differ in their specific configurations and applications. The C766C is a versatile compactor suitable for a wide range of materials, including asphalt, gravel, and soil, offering excellent maneuverability and performance. On the other hand, the C778B is specifically designed for high-volume compaction of granular materials, boasting exceptional productivity and stability. Both models feature a highly effective vibratory system that delivers powerful compaction forces, ensuring optimal density and stability for the compacted material. The compactors are equipped with durable and reliable engines that provide ample power for demanding applications. The C766C and C778B are known for their user-friendly controls and intuitive operation, allowing operators to maximize efficiency and productivity. Their robust construction and high-quality components contribute to their longevity and minimal downtime, making them a reliable investment for construction professionals. Beyond their core functionalities, the C766C and C778B offer optional features such as water spray systems for dust control, adjustable frequency settings for optimal compaction performance, and advanced safety features to enhance operator experience and safety. These compactors represent the pinnacle of HYPAC's engineering expertise, delivering exceptional compaction performance and durability for demanding construction projects.