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From inside (document excerpt):
STIHL HS 81 Instruction Manual Manual de instrucciones Warning! For safe operation follow all safety precautions in Instruction Manual – improper use can cause serious injury. Advertencia! Para su seguridad durante el manejo de este producto, siga siempre las precauciones de seguridad dadas en el manual de instrucciones – el uso indebido puede causar lesiones graves. English / USA Contents Allow only persons who understand this manual to operate your hedge trimmer. To receive maximum performance and satisfaction from your STIHL hedge trimmer, it is important that you read and understand the maintenance and safety precautions, starting on page 3, before using your hedge trimmer.
Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this manual. ANDREAS STIHL AG & Co. KG, 2007 0458 442 8621 B. M0,5. J7. PM. Printed in USA Guide to Using this Manual 2 Safety Precautions and Working Techniques . 3 Using the Hedge Trimmer 12 Fuel 13 Fueling 14 Rear Handle . 15 Starting / Stopping the Engine 16 Cleaning the Air Filter . 18 Motor Management 19 Adjusting the Carburetor 19 Spark Arresting Screen in Muffler . 20 Checking the Spark Plug 21 Lubricating the Gearbox . 22 Rewind Starter 22 Storing the Machine 23 Sharpening Instructions 23 Maintenance Chart . 24 Parts and Controls 25 Specifications . 27 Special Accessories . 27 Maintenance and Repairs . 28 STIHL Incorporated Federal Emission Control Warranty Statement 29 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 31 Trademarks 33 Printed on chlorine-free paper. Printing inks contain vegetable oils; paper can be recycled. BA_SE_176_004_01_05.fm !Warning! Because a hedge trimmer is a highspeed 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. 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 hedge trimmer differs from those described in this manual, please contact your STIHL dealer for information and assistance. STIHl HS 81 R, HS 81 T 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. Such paragraphs are marked with the symbols described below: Warning where there is a risk of an accident or personal injury or serious damage to property. Caution where there is a risk of damaging the machine or its individual components. Note or hint which is not essential for using the machine, but may improve the operator’s understanding of the situation and result in better use of the machine. Note or hint on correct procedure in order to avoid damage to the environment. Equipment and features This instruction manual may refer to several models with different features. Components that are not installed on all models and related applications are marked with an asterisk (*). Such components may be available as special accessories from your STIHL dealer.