This manual is intended to provide students with basic information on the safe operation of farm machinery. The following topics are covered in the individual chapters: safe farm machinery operation (the importance of safety, the role of communication in safety, and types of farm accidents); human factors (human limitations and capabilities; physical, physiological, and psychological characteristics; personal protective equipment; techniques for lifting; and man-machine systems); ways of recognizing common machine hazards (pinch, wrap, shear, crush, and pull-in points; free-wheeling parts; thrown objects; stored energy; slips and falls; slow-moving vehicles; and second parties); equipment service and maintenance (ways of keeping equipment in safe operation, emergency situations, service tools and equipment safety, chemicals and cleaning equipment, completion of service work, and components and systems); tractors and self-propelled machines; tillage and planting; chemical equipment; hay and forage equipment; grain harvesting equipment; other harvesting equipment; materials handling equipment; and farm maintenance equipment. Concluding each chapter is a chapter summary and set of quiz questions. A glossary and lists of safety laws and suggested readings are also provided. (MN)