This service manual covers the STIHL HS 46 and HS 56 hedge trimmers, powered by efficient 2-stroke gasoline engines with a displacement of 21.4 cm³ and delivering 0.7 kW (1.0 hp). These models feature direct drive, diaphragm carburetors, electronic ignition, and a loop handle for comfortable operation. The HS 46 offers a cutting length of 50 cm and weighs approximately 4.2 kg, while the HS 56 provides a 60 cm cutting length and weighs around 4.4 kg. Engineered for reliability and performance, these hedge trimmers are designed for demanding tasks.

This comprehensive English-language service manual provides essential information for the maintenance and repair of your STIHL hedge trimmer. It details critical procedures, including spark plug replacement with the NGK CMR6H, air filter cleaning intervals, blade sharpening techniques, and cutting head lubrication. The manual also covers technical specifications, safety guidelines, and troubleshooting to ensure optimal performance and longevity of your equipment. This resource is invaluable for owners, mechanics, and technicians seeking to maintain these robust tools.