This comprehensive repair manual provides a detailed guide for servicing and repairing Mack EGR ASET diesel engines. It covers various engine models, including the AC-310/330 (CEGR) MaxCruise, AC-330/350 (CEGR) MaxCruise, AC-355/380 (CEGR) MaxCruise, AC-380/410 (CEGR) MaxCruise, AC-350 (CEGR) Econodyne, AC-400 (CEGR) Econodyne, AC-427 (CEGR) Econodyne, AC-460(E) (CEGR) Econodyne, and AC-460(P) (CEGR) Econodyne.

The manual begins with an introduction, visual identification, and a detailed description of the engine's operation. It includes a component locator for easy reference and comprehensive troubleshooting sections to help diagnose engine problems. The manual features detailed procedures for engine symptom diagnosis, engine brake tests, and routine maintenance tasks such as fuel filter element replacement, coolant conditioner element replacement, oil coalescing air filter replacement, and drive belt replacement and tensioning.

Furthermore, it provides step-by-step instructions for engine removal, disassembly, and reassembly, including detailed procedures for cylinder block reconditioning, crankshaft and flywheel bench work, auxiliary shaft and camshaft bench work, connecting rod and piston bench work, cylinder head overhaul, and valve rocker arm shaft bench work. The manual also covers the engine's lubrication system, cooling system, fuel system, and VTG system.

In addition to detailed repair procedures, the manual includes sections on in-chassis part and component replacement, electronic unit pump replacement, exhaust valve yoke service, EECU and sensor service, EGR system service, VTG turbocharger service, engine setup and adjustments, engine speed and position sensors, rebuilt engine run-in procedures, engine mechanical specifications, special tools and equipment, fastener identification, torque wrench use, turbocharger failure and actions, and schematic and routing diagrams.