OPERATION

area around the tree and make sure there are no obstructions in your planned path of retreat. Clear the path of safe retreat approximately 135° from the planned line of fall.

nConsider the force and direction of the wind, the lean and balance of the tree, and the location of large limbs. These things influence the direction in which the tree will fall. Do not try to fell a tree along a line different from its natural line of fall.

nRemove dirt, stones, loose bark, nails, staples, and wire from the tree where felling cuts are to be made.

nNotched Undercut. Cut a notch about 1/3 the diameter of the trunk in the side of the tree. Make the notch cuts so they intersect at a right angle to the line of fall. This notch should be cleaned out to leave a straight line. To keep the weight of the wood off the saw, always make the lower cut of the notch before the upper cut.

nFelling Backcut. As the felling cut gets close to the hinge the tree should begin to fall. If there is any chance the tree may not fall in the desired direction or it may rock back and bind the saw chain, stop cutting before the felling cut is complete and use wedges of wood, plastic or aluminum to open the cut and drop the tree along its desired line of fall. Make the backcut level and horizontal, and at a minimum of 2 in. above the horizontal cut of the notch.

NOTE:  Never cut through to the notch. Always leave a band of wood between the notch and back cut (approximately 2 in. or 1/10 the diameter of the tree). This is called “hinge” or “hingewood.” It controls the fall of the tree and prevents slipping or twisting or shootback of the tree off the stump.

nOn large diameter trees, stop the back cut before it is deep enough for the tree to either fall or settle back on the stump. Then insert soft wooden or plastic wedges into the cut so they do not touch the chain. Drive wedges in, little by little, to help jack the tree over.

nWhen bucking or felling with a wedge, it may be necessary to remove the SAFE-T-TIP anti- kickback device to allow the bar to be drawn through the cut. After you complete the cut, reinstall the tip immediately.

PLANNED LINE

OF FALL

 

 

 

90°

135° FROM

 

 

 

PLANNED

 

 

PATH OF

LINE OF FALL

 

 

 

 

 

SAFE RETREAT

PLANNED

 

 

PATH

135°

 

OF SAFE

LINE OF

 

FALL

 

45°

RETREAT

 

 

 

 

 

90°

45°

135°

Fig. 13

HINGE

2 in. OR 1/10 DIA

NOTCH -

APPROX. 1/3

DIAMETER

OF TRUNK

BACK CUT

 

2 in.

Fig. 14

nAs tree starts to fall, stop the chain saw and put it down immediately. Retreat along the cleared path, but watch the action in case something falls your way.

nBe alert for overhead limbs falling and watch your footing.

Page 17 — English

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Image 17
Homelite UT43102, UT43122 manuel dutilisation Planned Line Fall, Hinge, Notch Approx /3 Diameter Trunk
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UT43102, UT43122 specifications

The Homelite UT43122 and UT43102 are two powerful and efficient string trimmers designed to meet the needs of both homeowners and landscaping professionals. Known for their reliability and performance, these trimmers come equipped with features that enhance user experience and job effectiveness.

At the heart of both models is a robust, high-performance electric motor that provides ample power for cutting through thick grass and weeds. The UT43122 features a 12 Amp motor, while the UT43102 has an equally impressive 10 Amp motor. These electric motors facilitate quick start-ups with minimal noise, offering a more environmentally friendly alternative to gas-powered trimmers. This makes them ideal for use in residential areas where noise restrictions may be in place.

One of the standout features of the Homelite UT43122 and UT43102 is their innovative Auto Feed String System. This technology ensures that the line is automatically advanced as needed, allowing for continuous cutting without the hassle of manual adjustments. As a result, users can focus on trimming rather than stopping to reload the line, which significantly increases productivity.

Both models are equipped with a 15-inch cutting path, enabling them to cover more ground in less time. This cutting width is augmented by a dual-line nylon string that offers superior cutting power. Additionally, the adjustable telescoping shaft allows users to customize the length of the trimmer to their preferred height, enhancing comfort during extended use.

Furthermore, the Homelite UT43122 and UT43102 boast a lightweight design, making them easy to maneuver around landscapes. The ergonomic handle features a comfortable grip, reducing fatigue during prolonged operation. These characteristics make them suitable for both professional landscapers tackling large areas and homeowners maintaining their yards.

In terms of durability, the construction of the Homelite trimmers is robust, ensuring they can withstand the rigors of outdoor use. The inclusion of a guard also protects the user from debris, promoting safety during operation.

In summary, the Homelite UT43122 and UT43102 string trimmers are equipped with powerful motors, an automatic feed system, and user-friendly features. Their lightweight design, adjustable shafts, and durable construction make them suitable for various trimming tasks, making them a valuable addition to any lawn care toolkit. Whether for professional use or home gardening, these trimmers deliver efficiency and effectiveness in tackling tough yard work.
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