STIHL HL 90 Hedge Trimmer Owners Manual

STIHL HL 90 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 hedge cutter. To receive maximum performance and satisfaction from your STIHL hedge cutter, it is important that you read and understand the maintenance and safety precautions, starting on page 3, before using your hedge cutter.

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, 2008 0458 445 8621 A. M1. C8. PM. Printed in USA Guide to Using this Manual 2 Safety Precautions and Working Techniques . 3 Using the Hedge Trimmer 13 Mounting the Gearbox 14 Adjusting the Throttle Cable . 15 4-MIX Engine 16 Fuel 16 Fueling 17 Starting / Stopping the Engine 18 Operating Instructions 21 Cleaning the Air Filter . 21 Motor Management 21 Adjusting the Carburetor 22 Spark Arresting Screen in Muffler. 23 Checking the Spark Plug 24 Lubricating the Gearbox . 25 Replacing Starter Rope and Rewind Spring . 26 Storing the Machine 29 Sharpening Instructions 29 Inspections and Maintenance by Dealer 29 Maintenance Chart . 30 Main Parts and Controls . 32 Specifications . 34 Special Accessories . 35 Maintenance and Repairs . 35 STIHL Incorporated Federal Emission Control Warranty Statement 36 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement . 38 Trademarks 40 Printed on chlorine-free paper. Printing inks contain vegetable oils; paper can be recycled. BA_SE_212_003_01_03.fm !Warning! Because a hedge cutter 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. 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 cutter differs from those described in this manual, please contact your STIHL dealer for information and assistance. STIHl HL 90 K 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. Symbols in text The individual steps or procedures described in the manual may be marked in different ways: : A bullet marks a step or procedure without direct reference to an illustration. Engineering improvements 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 machine differ from those described in this manual, please contact your STIHL dealer for assistance.