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Инструкция по эксплуатации Makita, модель 5016NB

Производитель: Makita
Размер: 1.16 mb
Название файла:
Язык инструкции:en
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Фрагмент инструкции


Attach the hook about 100-200 mm (4"- 8") from the extension cord connector. This will help prevent unintentional dis- connection. Extension cord Fig. 11 Cutting operation Turn the tool on and allow the chain to reach full speed before it contacts the wood. Be sure the chain is adequately lubricated. Use the spike as a pivot point and ease the tool into the wood, rocking it in gently. Do not force the guide bar in, as this may cause overload -and overheating. Fig. 1: Instant chain brake This tool is equipped with an instant chain brake to reduce the risk caused by kickback. To actuate the instant chain brake, push the protector forward. Fig. 13 CAUTION : As soon as the instant chain brake actuates, turn the tool off. Keeping the motor running with the chain brake actuated may cause damage to the tool. To release the chain brake, reset the pro- tector to the exact original position after turning the tool off. WARNING: 0 Under normal circumstances, it should never be necessary to intentionally release the chain brake while the tool is running. Occasionally, after the brake has been actuated, the protector may not reset to the exact original position. If this happens, place the tool on a flat surface in a clear area (away from other persons or objects that might contact the saw chain). Then turn the tool on. After running the tool for a couple of seconds, turn the tool off. While the motor is coasting, reset the protector with the same hand you used to turn the tool on. Hold the tool firmly by grasping the front handle with the other hand. Careless handling of the tool at this time could result in serious injury, therefore use extreme caution when resetting the chain brake in this manner. e Before operation, always check to see that the chain brake actuates properly. Holding the chain saw Always grip each handle with the thumb and fingers encircling the handle as shown Use this grip thumb below in Fig. 15. L Fig. 1 Using the chain saw Always be sure of your footing and hold the chain saw firmly with both hands while the motor is running. Felling a tree When bucking and felling operations are being performed by two or more persons, at the same time, the felling operation should be separated from the bucking operation by a distance of at least twice the height of the tree being felled. Trees should not be felled in a manner that would endanger any person, strike any utility line or cause any property damage. If the tree does make contact with any utility line, the utility company should be notified immediately. The chain saw operator should keep on the uphill side of the terrain as the tree is likely to roll or slide downhill after it is felled. A retreat path should be planned and cleared as necessary before cuts are started. The retreat path should extend back and Retreat diagonally to the rear of the expected line of fall as shown in Fig. 16. Direction of fall --__ Before felling is started, consider the natural lean of the tree, the location of larger branches and the wind direction to judge which way the tree will fall. Remove dirt, stones, loose bark, nails, staples, and wire from the tree where felling cuts are to be made. Notching undercut Make the notch 1/3 the diameter of the tree, perpendicular to the direction of fall as shown in Fig. 17. Make the lower horizontal notching cut first. This will help to avoid pinching of either the saw chain or the guide bar when the second notch is being made. Felling back cut Make the felling back cut at least 2 inches (50.8mm) higher than the horizontal notch- ing cut as shown in Fig. 17. Keep the fell- ing back cut parallel to the horizontal notching cut. Make the felling back cut so enough wood is left to act as a hinge. The hinge wood keeps the tree from twisting .and falling in the wrong direction. Do not cut through the hinge. I Fig. 1 As the felling cut gets close to the hinge the tree should begin to fall. If there is any chance that the tree may not fall in the desired direction or it may rock back and bind the saw chain, stop cutting before the felling back cut is complete and use wedges of wood, plastic or aluminum to open the cut and drop the tree along the desired line of fall. When the tree begins to fall remove the chain saw from the cut, stop the motor, put the chain saw down, then use the retreat path planned. Be alert for overhead limbs falling and watch your footing. Limbing a tree LIMB CUT Limbing is removing the branches from a Keep work offgroundfallen tree. When limbing, leave larger Leave support limbs until log is cut lower limbs to support the log off the ground. Remove the small limbs in one cut as shown in Fig. 18. Branches under tension should be cut from the bottom up to avoid binding the chain saw. Bucking a log Bucking is cutting a log into lengths. It is important to make sure your footing is firm and your weight is evenly distributed on both feet. When possible, the log should be raised and supported by the use of limbs, logs or choc...

Эта инструкция также подходит к моделям:
Бензо и электропилы - 5014NB (1.16 mb)

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