STIHL BR 340 420 Blower Vacuum Owners Manual

STIHL BR 340, 420 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 blower. To receive maximum performance and satisfaction from your STIHL blower, it is important that you read and understand the maintenance and safety precautions, starting on page 3, before using your blower.

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 . 3 Assembling the Blower . 12 Fuel 14 Fueling 15 Information Before You Start 16 Starting / Stopping the Engine 16 Operating Instructions 19 Cleaning the Air Filter . 19 Motor Management 20 Adjusting the Carburetor 20 Catalytic Converter . 22 Checking the Spark Plug 22 Spark Arresting Screen in Muffler. 23 Replacing Starter Rope and Rewind Spring . 24 Storing the Machine 27 Maintenance Chart . 28 Parts and Controls 29 Specifications . 31 Special Accessories . 32 Maintenance and Repairs . 32 STIHL Incorporated Federal and California Emission Control Warranty Statement 33 Trademarks 35 BA_SE_003_004_01_09.fm !Warning! Because a blower is a high-speed tool, some special safety precautions must be observed as with any other power tool 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 blower differs from those described in this Manual, please contact your STIHL dealer for information and assistance. ANDREAS STIHL AG & Co. KG, 2005 0458 373 3021 B. M2. L5. CP. Printed in USA STIHl BR 340, BR 340 L, BR 420, BR 420 C 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 (*).