Évaluations - 2, GPA: 4.5
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Facilité d'utilisation
File all the teeth on one side first, then turn the machine over and repeat the operation. Make sure that after sharpening operations, all teeth are the same length and that the height of the depth gauge is 0.6 mm lower than the upper cutter: check the height using a proper template and file (with a flat file) all protruding parts, rounding off the front part of the depth gauge(fig.14), paying attention to not file the kickback protection tooth(fig.15) Every 30 hours use. Take the machine to the Authorised Service Centre for general revision and control check on brake components. PERIODS OF PROLONGED DISUSE Always empty the fuel tank with the same precautions used in filling it. H. CUTTING TECHNIQUES 1,2,3,4,5,6,7,8,9,10,11,12,13,14 When using the machine, prevent: (fig.1) -cutting in conditions where the trunk could split during cutting (wood under pressure, dry dead trees, etc): sudden splitting can be very dangerous. -the bar or the chain from becoming blocked in the cutting notch: if this should occur, disconnect the machine from the main electricity supply and try to raise the trunk using an appropriate tool as a lever; do not attempt to free the machine by shaking or pulling as this could cause damage or injury. -situations that can lead to kickback reactions. During machine use: (fig.1) - When cutting on sloping ground, always work uphill of the trunk to avoid being hit if the trunk should roll downhill. -Release the switch after each cutting action: prolonged dry running of the motor will provoke serious damage. - When felling trees, always finish the job: a partially cut tree could break and fall. ENGLISH - 8 - At the end of each cutting operation the user will notice a considerable change in the strength necessary for controlling the machine. Great care must be taken not to loose control . Below is a description of two different types of cutting operation: Cutting action by pulling the chain (from top to bottom) (fig.2) can lead to dangerous sudden movement of the machine towards the trunk with consequential loss of control. Where possible, use the spiked bumper during cutting operations. Cutting action pushing the chain (from bottom to top) (fig.3) will lead to the danger of a sudden movement of the machine in the direction of the user, with the risk of hitting the user, or an impact of the “kickback danger zone” on the trunk resulting in strong kickback; extreme care must be taken when cutting in this manner. The safest method for using the machine, is to block the log on a sawhorse, cutting from top to bottom, on the portion outside the sawhorse. (fig.4) Spiked bumper use. Where possible, use the spiked bumper to ensure safer cutting action: plant it in the bark or surface of the trunk in order to maintain more control over the machine. Below are descriptions of typical cutting procedure to be adopted for specific situations. However, these should be assessed each time to calculate whether the method is most suitable or not, in order to use a method with the least possible risk. Trunk on the ground. (Risk of touching the ground with the chain once the bar has passed trough the trunk). (fig.5) Cut from top to bottom through the whole trunk. Towards the end of the cut, proceed very carefully to prevent the chain from hitting the ground. If it is possible, cut 2/3 of the trunk, roll it over, and cut the remaining third from top to bottom to limit the risk of the chain touching the ground. Trunk supported at one end only (Risk of trunk breaking during cutting action). (fig.6) Begin the cut from underneath for about 1/3 of the diameter, and then finish the cutting action from the top to meet the undercut. Trunk supported at both ends. (Risk of pinching the chain). (fig.7) Begin the cut from above for about 1/3 of the diameter, and then continue from underneath to meet the overcut. Tree felling. ATTENTION! : Never attempt to fell a tree if you do not have the necessary experience, and in any case never fell trees that have trunks with a diameter larger than the length of the bar ! This operation is reserved for expert machine users with adequate equipment. When felling a tree, the aim is to have the tree fall in the most convenient position for the following limbing and bucking operations. (Avoid trees falling on top of other trees: Felling trees that are entangled with other trees is a very dangerous operation). First of all decide which is the best direction for the tree to fall by evaluating the following: objects or other plants around the tree, the inclination, the curve, wind direction, and greatest branch concentration. Take into account dead or broken branches that may break off during felling creating a further danger risk. ATTENTION! During tree felling operations in critical conditions, always remove ear protection immediately after cutting operations to be able to listen for unusual noises and any warning signals. Preliminary cutting operations and identifying the retreat path. Eliminate ...
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