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From inside (document excerpt):
STIHL HT73 Instruction Manual Owner’s Manual Manual de instrucciones Manual del usuario english / USA Contents Allow only persons who understand this manual to operate your pole pruner. To receive maximum performance and satisfaction from your STIHL pole pruner, it is important that you read and understand the maintenance and safety precautions, starting on page 3, before using your pole pruner. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this manual.
2002 Andreas Stihl AG & Co., Waiblingen 0458 243 3021. M0,1. B2. PM. Printed in USA Guide to Using this Manual 2 Safety Precautions . 3 Using the Machine 13 Mounting the Bar and Chain . 15 Tensioning the Saw Chain 16 Checking Chain Tension . 16 Fuel 17 Fueling 18 Chain Oil . 19 Filling Chain Oil Tank 19 Checking Chain Lubrication . 20 Adjusting Telescopic Shaft 20 Fitting the Harness . 20 Starting / Stopping the Engine 21 Operating Instructions 25 Cleaning the Air Filter . 26 Motor Management 27 Adjusting the Carburetor 27 Spark Arresting Screen in Muffler. 28 Checking the Spark Plug 28 Rewind Starter 29 Storing the Machine 30 Checking Chain Sprocket . 30 Taking Care of Guide Bar . 31 Maintaining and Sharpening Saw Chain . 31 Maintenance Chart . 35 Parts and Controls 36 Specifications . 38 Special Accessories . 39 Maintenance and Repairs . 39 STIHL Incorporated Federal and California Emission Control Warranty Statement 40 Printing inks contain vegetable oils; paper can be recycled. !Warning! Because a pole pruner is a high-speed cutting tool with a very long reach 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 pole pruner differ from those described in this manual, please contact your STIHL dealer for information and assistance. Printed on chlorine-free paper. STIHl HT 73 1 english / USA Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in the 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. Warning where there is a risk of damaging the power tool or individual components. Note or hint which is not essential for using the power tool, but may improve the operator’s understanding of the situation and result in better use of the power tool. Note or hint on correct procedure in order to avoid damage to the environment. Equipment and features This instruction manual refers to several models with different features. Components that are not installed in all models and related applications are marked thus *. Such components are 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: : 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. Therefore, we cannot be responsible for changes, modifications or improvements not covered in this manual. Description of step or procedure that refers directly to the illustration and contains item numbers that appear in the illustration. Example: Loosen the screw (1) Lever (2). 2 HT 73 english / USA Safety Precautions The use of any pole pruner may be hazardous. The pole pruner chain has many sharp cutters. If the cutters contact your flesh, they will cut you, even if the chain is not moving. At full throttle, the chain speed can reach 68 mph (30 m/s). It is important that you read, fully understand and observe the following safety precautions and warnings. Read the owner’s manual and the safety instructions periodically. All safety precautions that are generally observed when working with an axe or a hand saw also apply to the operation of pole pruners. However, because a pole pruner is a high-speed, fast-cutting power tool with a very long reach, special safety precautions must be observed to reduce the risk of personal injury. Have your STlHL dealer show you how to operate your pole pruner. Observe all applicable local safety regulations, standards and ordinances. !Warning! Minors should never be allowed to use a pole pruner. Bystanders, especially children, and animals should not be allowed in the area where a pole pruner is in use. Never let the pole pruner run unattended. The pole pruner user is responsible for accidents or risks involving third parties or their property.