Caterpillar AP-655D Asphalt Paver Repair Service Manual Pdf

Official Repair Service Manual | Instant PDF Download

Maximize the efficiency and high-traction performance of your tracked paving fleet with the Caterpillar AP-655D Asphalt Paver Repair Service Manual. This specialized technical resource is specifically compiled for the GNN, GNZ, MAN, and MAT serial number prefixes. Whether you are conducting a major engine overhaul or troubleshooting the sophisticated Mobil-trac™ undercarriage and integrated paving electronics, this manual provides the factory-authorized procedures required to maintain your machine to OEM standards.

This is a comprehensive Service Manual designed for professional mechanics, paving contractors, and 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-655D continues to deliver high-quality mat finishes on soft sub-bases and large-scale highway projects.

Manual Specifications

Machine Model	Caterpillar AP-655D Asphalt Paver
Manual Type	Repair Service Manual
Engine Covered	Advanced Industrial Diesel Engine (Turbocharged)
Serial Coverage	Prefix GNN, GNZ, MAN, MAT (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	Track Belt Replacement, Tensioning Procedures, Bogie Suspension Maintenance
Hydrostatic Drive	Propel Pumps & Motors, Travel Control Calibration, Planetary Final Drives
Hydraulic Systems	Feeder & Auger Hydraulics, Conveyor System Overhaul, Pressure Testing
Screed & Heating	Electric/LPG Screed Heat Diagnostics, Tamper Bar Service, Vibratory System Adjustments
Electrical & Schematics	Complete Wiring Diagrams, ECM Troubleshooting, Sensor & Display Calibration
Troubleshooting	Operational Testing, Error Code Definitions, Failure Analysis Procedures

About the Caterpillar AP-655D Asphalt Paver (GNN, GNZ, MAN, MAT)

The Caterpillar AP-655D is a high-productivity tracked paver engineered for exceptional flotation and traction on a wide range of sub-bases. Featuring the innovative Mobil-trac undercarriage and powered by a robust industrial diesel engine, the AP-655D is ideal for large-scale projects where precision and stability are paramount. This model is equipped with a sophisticated material delivery system—utilizing independently controlled conveyors and augers—to ensure consistent material flow and eliminate segregation, delivering superior surface quality.

Maintaining a GNN, GNZ, MAN, or MAT-prefix paver requires access to accurate factory specifications to handle its integrated electronic paving systems and complex hydrostatic circuits. This manual ensures that every task—from calibrating the grade and slope sensors to rebuilding the track drive motors—is performed to original equipment standards. Investing in this digital guide protects your machinery investment and ensures the reliability needed for high-stakes road construction contracts.

Why Buy From Manualsshop?

• Instant PDF Access: Download immediately after your purchase
• Complete Collection: Explore our entire Caterpillar machinery manual collection
• OEM Technical Depth: Detailed testing and adjusting procedures for professional results
• Highly Portable: Access technical data on any device, even in the field
• Secure Experience: Encrypted checkout and reliable file access

Frequently Asked Questions

Q: Does this cover all prefixes like GNN, GNZ, MAN, and MAT?

A: Yes. This manual is specifically designed to cover the Caterpillar AP-655D paver model across all four of these listed 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 "track tension" or "ECM codes."