From inside (document excerpt):
STIHL FS 300, 350, 400, 450, 480 Instruction Manual Manual de instrucciones Warning! Read and follow all safety precautions in Instruction Manual improper use can cause serious or fatal injury. Advertencia! Lea y siga todas las precauciones de seguridad dadas en el manual de instrucciones el uso incorrecto puede causar lesiones graves o mortales. English / USA Contents Allow only persons who understand this manual to operate your clearing saw. To receive maximum performance and satisfaction from your STIHL brushcutter, it is important that you read and understand the maintenance and safety precautions, starting on page 3, before using your clearing saw.
Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this manual. Printed on chlorine-free paper. Printing inks contain vegetable oils; paper can be recycled. Guide to Using this Manual 2 Safety Precautions and Working Techniques . 3 Approved Combinations of Cutting Tool, Deflector, Stop and Harness . 18 Mounting the Bike Handle 20 Adjusting the Throttle Cable . 21 Mounting the Deflectors and Limit Stop . 22 Mounting the Cutting Tools . 23 Fuel 26 Fueling 27 Fitting the Harness . 27 Balancing the Machine . 28 Starting / Stopping the Engine 28 Operating Instructions 30 Cleaning the Air Filter . 31 Cleaning the Air Filter . 31 Motor Management 32 Adjusting the Carburetor Winter Operation Electric Handle Heating . Checking the Spark Plug Engine Running Behavior Lubricating the Gearbox . Replacing the Starter Rope and Rewind Spring . Storing the Machine . Sharpening Metal Cutting Tools . Maintenance Chart . Parts and Controls . Specifications . Special Accessories . Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement Trademarks BA_SE_081_009_01_07.fm !Warning! Because a clearing saw is a high-speed cutting tool some special safety precautions must be observed to reduce the risk of personal injury. Careless or improper use may cause serious or even fatal injury. Make sure your unit is equipped with the proper deflector, handle and harness for the type of cutting attachment being used. Always wear proper eye protection. STIHL’s philosophy is to continually improve all of its products. As a result, engineering changes and improvements are made from time to time. If the operating characteristics or the appearance of your clearing saw differs from those described in this manual, please contact your STIHL dealer for information and assistance. ANDREAS STIHL AG & Co. KG, 2008 0458 255 8621 A. M0.5. B8. Rei. Printed in Germany STIHl FS 300, FS 350, FS 400, FS 450, FS 480 1 English / USA Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual. The operating and handling instructions are supported by illustrations. In addition to the operating instructions, this manual may contain paragraphs that require your special attention.