STIHL USG Chainsaw Owners Manual

English Contents Dear Customer, Thank you for choosing a quality engineered STIHL product. This machine has been built using modern production techniques and comprehensive quality assurance. Every effort has been made to ensure your satisfaction and troublefree use of the machine. Please contact your dealer or our sales company if you have any queries concerning your machine. Guide to Using this Manual 2 Safety Precautions . 3 Applications 4 Mounting the Tool . 4 Selecting the Grinding Wheel . 6 Mounting the Grinding Wheel .

7 Test Run . 8 Dressing the Grinding Wheel 8 Scales . 8 Setup for Sharpening Saw Chain . 9 Sharpening Procedure . 15 Lowering Depth Gauges . 17 Setup for Sharpening Hedge Trimmer Blades . 19 Sharpening Hedge Trimmer Blades . 24 Preparations for Sharpening Circular Saw Blade . 27 Sharpening Circular Saw Blade 31 Maintenance Chart . 32 Minimize Wear and Avoid Damage 33 Main Parts of Sharpener . 34 Specifications . 35 Special Accessories . 35 Maintenance and Repairs . 35 Certificate of Conformity . 36 Quality Certification 36 Printed on chlorine-free paper. Printing inks contain vegetable oils; paper can be recycled. BA_SE_025_002_01_06.fm Hans Peter Stihl ANDREAS STIHL AG & Co. KG, 2004 0458 523 0121. M0,5. C4. T. Printed in Germany STIHl USG 1 English 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 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 refers to several models with different features. Components that are not installed in 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: : 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 USG English Safety Precautions Additional safety precautions have to be observed when operating the universal sharpener. It is important that you read and understand the owner’s manual before using your tool for the first time. Keep it in a safe place for later reference. Non-observance of the following safety precautions may cause serious or even fatal injury. Always observe local safety regulations, standards and ordinances. If you have never used this sharpener model before: Have your dealer or a trained expert show you how to operate it properly and safely. Minors should never be allowed to use an electric sharpener. Keep children, bystanders and animals well clear of the work area. Only use the grinding wheels supplied by STIHL or expressly approved by STIHL for use with your specific model. Do not use any other grinding wheels since they will increase the risk of injury. Switch on the motor only if its operating voltage agrees with the voltage of your power supply. Wear heavy-duty, nonslip gloves, preferably made of leather. Before Starting Work Check that your sharpener is properly assembled and in good condition. Do not operate your sharpener with a damaged connecting cord or grinding wheel. Clothing and Equipment Wear proper protective clothing and equipment. The grinding dust produced when using this sharpener may cause health problems. Always use a dust extractor or wear a suitable respirator. The sparks created during sharpening may cause eye injuries. Always wear safety glasses. Maintenance and Repairs Always disconnect the unit from the power supply before carrying out any maintenance work. Only perform the adjustments and maintenance operations described in this manual. All other maintenance and repairs should be carried out by your STIHL dealer. Only use original STIHL replacement parts. In the interests of your own safety, never modify your electric sharpener in any way. Clothing must be sturdy and snug-fitting, but allow complete freedom of movement. Wear overalls ­ avoid loose-fitting jackets. Wear steel-toed safety boots with non-slip soles. USG 3 English Applications Mounting the Tool The STIHL USG sharpens all STIHL Oilomatic saw chains, hedge trimmer blades and circular saw blades. Optional swivelling tool rests are required for sharpening scratcher tooth chain, hedge trimmer blades and circular saw blades. The unit may be mounted on a wall or workbench. If you mount the unit on a bench, note that the unit must overhang the bench by at least 120 mm.