This service manual provides information for servicing and repairing grape harvesters including models 9050L, 9070L, 9070M, and 9090LL. The manual is divided into sections covering the engine, hydrostatic drive, brakes, hydraulic systems, frames, steering, wheels, cab climate control, electrical systems, fruit harvester shaking, product feeding, cleaning, secondary cleaning, crop storage, accessories, tools, and bodywork. It provides detailed information on maintenance, repairs, and specifications for each system.