Caterpillar AP-655C Asphalt Paver Repair Service Manual Pdf

Official Repair Service Manual | Instant PDF Download

Ensure the peak performance and high-traction reliability of your tracked paving equipment with the Caterpillar AP-655C Asphalt Paver Repair Service Manual. This comprehensive technical guide is specifically compiled for the AYP and CDG serial number prefixes. Whether you are conducting a major engine overhaul or troubleshooting the sophisticated Mobil-trac™ system and independent feeder electronics, this manual provides the factory-authorized procedures required to maintain your machine to OEM standards.

This is a professional-grade Service Manual designed for heavy equipment technicians, paving contractors, and authorized service centers. It delivers deep-dive technical instructions, including complete powertrain diagnostics, hydrostatic drive testing, and detailed calibration for the material delivery and screed heating systems. By utilizing these factory-standard instructions, you can ensure repairs are performed with surgical precision, reducing downtime and ensuring your AP-655C continues to deliver high-quality mat finishes on soft sub-bases and large-scale highway projects.

Manual Specifications

Machine Model	Caterpillar AP-655C Asphalt Paver
Manual Type	Repair Service Manual
Engine Covered	Advanced Industrial Diesel Engine (Turbocharged)
Serial Coverage	Prefix AYP, CDG (Full Range)
Page Count	1200+ Pages
File Size	58 MB
File Format	PDF (Searchable, Printable, Bookmarked)
Compatibility	Windows, macOS, iOS, Android, Linux

What Is Included?

This repair manual is logically organized into technical groups, providing high-resolution schematics, step-by-step disassembly/assembly instructions, and the "Testing and Adjusting" data needed for precise machine health monitoring.

Service Group	Repair & Diagnostic Coverage
Engine System	Cylinder Head Overhaul, Fuel Injection Calibration, Aftertreatment & Cooling Systems
Mobil-trac™ Undercarriage	Belt Replacement, Automatic Tensioning Calibration, Bogie Suspension Service
Hydrostatic Drive	Propel Pumps & Motors, Travel Control Calibration, Planetary Final Drives
Hydraulic Systems	Independent Feeder & Auger Hydraulics, Cylinder Seal Service, Pressure Testing
Screed & Heating	Electric/Burner Heat Diagnostics, Power Crown/Slope Adjustments, Vibratory System Service
Electrical & Schematics	Complete Wiring Diagrams, ECM Troubleshooting, Sensor & Solenoid Data
Troubleshooting	Operational Testing, Error Code Definitions, Failure Analysis Procedures

About the Caterpillar AP-655C Asphalt Paver (AYP, CDG)

The Caterpillar AP-655C is a high-productivity tracked paver engineered for exceptional flotation and material flow control. Powered by a robust industrial diesel engine and featuring the innovative Mobil-trac undercarriage, the AP-655C excels on job sites with soft sub-bases where wheeled pavers might struggle. This model features an advanced material delivery system with independently controlled conveyors and augers, designed to eliminate segregation and maintain a consistent head of material in front of the screed. With its dual operator stations and integrated electronics, the AP-655C remains a cornerstone for contractors demanding high-speed paving and superior surface smoothness.

Maintaining an AYP or CDG-prefix paver requires access to accurate factory specifications to handle its complex hydraulic circuits and hydrostatic propulsion. This manual ensures that every task—from adjusting the automatic track tension to rebuilding the material feed pumps—is performed to original equipment standards. Investing in this digital guide protects your machinery investment and ensures the reliability needed for professional paving contracts.

Why Buy From Manualsshop?

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• OEM Technical Depth: Detailed testing and adjusting procedures for professional results
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Frequently Asked Questions

Q: Does this cover both the AYP and CDG serial prefixes?

A: Yes. This manual is specifically designed for the Caterpillar AP-655C paver model within both the AYP and CDG serial number ranges.

Q: Is this a Repair Manual or a Parts Book?

A: This is a Service Repair Manual. It provides technical instructions for repairs, disassembly, and troubleshooting rather than just a list of parts.

Q: Are the wiring and hydraulic schematics included?

A: Yes. The manual contains high-resolution, full-page electrical and hydraulic schematics for precise diagnostics of all machine systems.

Q: Is the PDF searchable?

A: Absolutely. You can use the "Find" function (Ctrl+F) to instantly locate specific keywords like "Mobil-trac tension" or "ECM codes."