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4 Start the saw and apply full throttle. Release the throttle control and check that the chain stops and remains stationary. If the chain rotates when the throttle is on idle setting you should check the carburettor idle adjustment. See the section on ”Maintenance”. 3 Chain catcher Check that the CHAIN CATCHER is not damaged and is firmly attached to the body of the saw. 4 Right hand guard Check that the right hand guard is not damaged and that there are no visible defects, such as cracks. 5 Vibration damping system Regularly check the vibration damping units for cracks or deformation Make sure the vibration damping units are securely attached to the engine unit and handles. 6 Stop switch Start the engine and make sure the engine stops when you move the stop switch to the stop setting. English – 9 SAFETY INSTRUCTIONS 7 Muffler Never use a chain saw that has a faulty muffler. Regularly check that the muffler is securely attached to the chain saw. If the muffler on your saw is fitted with a spark arrestor mesh this must be cleaned regularly. A blocked mesh will cause the engine to overheat and may lead to serious damage. Never use a muffler if the spark arrestor mesh is missing or defective. ! NEVER USE A CHAIN SAW WITH FAULTY SAFETY EQUIPMENT. CARRY OUT THE CHECKS AND MAINTENANCE MEASURES DESCRIBED IN THIS SECTION. IF YOUR CHAIN SAW FAILS ANY OF THESE CHECKS CONTACT YOUR SERVICE AGENT TO GET IT REPAIRED. CUTTING EQUIPMENT This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of kickback. • Reduce the risk of the chain breaking or jumping. • Obtain maximum cutting performance. • Extend the life of cutting equipment. The 5 basic rules 1 Only use cutting equipment recommended by us! See the ”Technical data” section. 2 Keep the chain cutting teeth properly sharpened! Follow our instructions and use the recommended file gauge. A damaged or badly sharpened chain increases the risk of accidents. 3 Maintain the correct raker clearance! Follow our instructions and use the recommended raker gauge. Too large a clearance increases the risk of kickback. 4 Keep the chain properly tesioned! If the chain is slack it is more likely to jump off and lead to increased wear on the bar, chain and drive sprocket. 5 Keep cutting equipment well lubricated and properly maintained! A poorly lubricated chain is more likely to break and lead to increased wear on the bar, chain and drive sprocket. 10 – English SAFETY INSTRUCTIONS 1 Cutting equipment designed to minimise kickback ! ! Faulty cutting equipment or the wrong combination of bar and chain increases the risk of kickback. Use only the bar and chain combinations recommended in the ”Technical data”section. The only way to avoid kickback is to make sure that the kickback zone of the bar never touches anything. By using cutting equipment with “built-in” kickback protection and keeping the chain sharp and well-maintained you can reduce the effects of kickback. A Bar The smaller the tip radius the smaller the kickback zone and the lower the chance of kickback. B Saw chain A saw chain is made up of a number of links, which are available in standard and low-kickback versions. None Standard Low-kickback CUTTING LINK DRIVE LINK SIDE LINK Combining these links in different ways gives different degrees of kickback reduction. In terms of kickback reduction alone, four different types of link are available. Kickback reduction Cutting link Drive link Side link LOW STANDARD HIGH EXTRA HIGH C Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomes worn or damaged you will need to replace it. Use only the type of bar and chain recommended by us. See the ”Technical data” section to find out which equipment is recommended for your saw. Bar • LENGTH (inches/cm) • NUMBER OF TEETH ON BAR TIP SPROCKET (T). Small number = small tip radius = low-kickback • CHAIN PITCH (inches) The spacing between the drive links of the chain must match the spacing of the teeth on the bar tip sprocket and drive sprocket. • NUMBER OF DRIVE LINKS The number of drive links is determined by the length of the bar, the chain pitch and the number of teeth on the bar tip sprocket. • BAR GROOVE WIDTH (inches/mm) The groove in the bar must match the width of the chain drive links. • SAW CHAIN OIL HOLE AND HOLE FOR CHAIN TENSIONER The bar must be matched to the chain saw design. Saw chain • SAW CHAIN PITCH (inches) Spacing between drive links. • DRIVE LINK WIDTH (mm/ inches) • NUMBER OF DRIVE LINKS • LEVEL OF KICKBACK REDUCTION The level of kickback reduction offered by a chain is indicated by its model number. See the ”Technical data” section to find the model numbers of chains that are recommended for use with your saw. English – 11 SAFETY INSTRUCTIONS 2 Sharpening your chain and adjusting raker clearance The risk of kickback is increased with a badly sharpened chain! A General information on sharpening cutting teeth • Never use a blunt c...
Other models in this manual:Chainsaws - 2050 (1.47 mb)