This document is a service manual for Axial-Flow 7240, 8240, and 9240 combines with Tier 4B engines. It contains sections covering the engine, main gearbox and drive, transmission, front and rear axle systems, hydrostatic drive, brakes and controls, hydraulic systems, steering, wheels, tracks and track suspension, cab climate control, electrical systems, product feeding, threshing, separation, residue handling, and crop storage and unloading systems. Each section includes subsections for specific components.