Husqvarna 1153136-95 manual How to avoid kickback, Freeing a tree that has fallen badly

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WORKING TECHNIQUES

Felling cut

The felling cut is made from the opposite side of the tree and it must be perfectly horizontal. Stand on the left side of the tree and cut on the pull stroke.

Make the felling cut about 1.5-2 inches (3-5 cm) above the bottom directional cut. (81)

Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1/10 of the trunk diameter.The uncut section of the trunk is called the felling hinge.

The felling hinge controls the direction that the tree falls in.

(82)

All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed. (83)

When the felling cut and directional cut are complete the tree should start to fall by itself or with the aid of a felling wedge or breaking bar. (84)

We recommend that you use a bar that is longer than the diameter of the tree, so that you can make the felling cut and directional cuts with single cutting strokes. See instructions under the heading Technical data section to find out which lengths of bar are recommended for your saw.

There are methods for felling trees with a diameter larger than the bar length. However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree. (4)

Freeing a tree that has fallen badly

Freeing a ”trapped tree”

It is very dangerous to remove a trapped tree and there is high accident risk.

Never try to fell the tree that is trapped.

Never work in the risk zone of the hanging trapped tree.

(85)

The safest method is to use a winch.

•Tractor-mounted

•Portable

Cutting trees and branches that are in tension

Preparations:Work out which side is in tension and where the point of maximum tension is (i.e. where it would break if it was bent even more). (86)

Decide which is the safest way to release the tension and whether you are able to do it safely. In complicated situations the only safe method is to put aside your chain saw and use a winch.

General advice:

Position yourself so that you will be clear of the tree or branch when the tension is released. (87)

Make one or more cuts at or near the point of maximum tension. Make as many cuts of sufficient depth as necessary to reduce the tension and make the tree or branch break at the point of maximum tension. (88)

Never cut straight through a tree or branch that is in tension!

If you must cut across tree/limb, make two to three cuts, one inch apart, one to two inches deep. (89)

Continue to cut deeper until tree/limb bends and tension is released. (90)

Cut tree/limb from outside the bend, after tension has been released.

How to avoid kickback

WARNING! Kickback can happen very

! suddenly and violently; kicking the chain saw, bar and chain back at the user. If this happens when the chain is moving it can cause very serious, even fatal injuries. It is vital you understand what causes kickback and that you can avoid it by taking care and using the right working technique.

What is kickback?

The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar, known as the kickback zone, touches an object. (61)

Kickback always occurs in the cutting plane of the bar. Normally the chain saw and bar are thrown backwards and upwards towards the user. However, the chain saw may move in a different direction depending on the way it was being used when the kickback zone of the bar touched the object. (7)

Kickback only occurs if the kickback zone of the bar touches an object. (4)

Limbing

WARNING! A majority of kickback

! accidents occur during limbing. Do not use the kickback zone of the guide bar. Be extremely cautious and avoid contacting the log, other limbs or objects with the nose of the guide bar. Be extremely cautious of limbs under tension. They can spring back toward you and cause loss of control resulting in injury.

Make sure that you can stand and move about safely. Work on the left side of the trunk. Work as close as possible to the chain saw for maximum control. If possible, let the weight of the chain saw rest on the trunk.

Keep the trunk between you and the chain saw as you move along the trunk.

Cutting the trunk into logs

See instructions under the heading Basic cutting technique.

24 – English

1153136-95 Rev.2 2010-04-08

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Contents 445 445e 450 450e 1153136-95 Rev.2 1153136-95 Rev.2 4243 1153136-95 Rev.2 112 113 KEY to Symbols Symbols on the machine and/or in the manualDecompression valve The valve Contents What is what on the chain saw? IntroductionDear customer General Safety Precautions Before using a new chain sawMachine′s safety equipment Always use common sensePersonal protective equipment Chain brake and front hand guardStop switch Throttle lockoutChain catcher Right hand guardCutting equipment MufflerGeneral rules Cutting equipment designed to reduce kickbackSharpening your chain and adjusting depth gauge setting Tensioning the chainLubricating cutting equipment Needle bearing lubrication Checking wear on cutting equipmentAssembly Fitting the bar and chain445 445e, 450eFuel Handling FuelFuel safety FuelingTransport and storage Long-term storageStarting and Stopping Starting and stoppingStarting StoppingBasic safety rules Working TechniquesBefore use General working instructionsBasic cutting technique TermsLimbing Tree felling technique Safe distanceFelling direction Clearing the trunk and preparing your retreatHow to avoid kickback What is kickback?Freeing a tree that has fallen badly Maintenance Carburetor adjustmentGeneral Muffler StarterReplacing the starter cord Air filter Spark plugLubricating the bar tip sprocket Needle bearing lubricationAir Injection centrifugal cleaning Temperature -5C 23F or colderCooling system Winter useMaintenance schedule Daily maintenance Weekly maintenance Monthly maintenanceTechnical Data Technical dataBar and chain combinations Saw chain filing and file gauges050/1,3 mm 058/1,5 mmFederal Emission Control Warranty Statement Your Warranty Rights and ObligationsMAINTENANCE, Replacement Repair of EMISSION-RELATED Parts American Standard Safety Precautions Safety precautions for chain saw usersKickback safety precautions Other safety precautions1153136-95 Rev.2 Original instructions 1153136-95

1153136-95 specifications

The Husqvarna 1153136-95 is a high-performance chainsaw designed for ease of use and efficiency, making it an ideal choice for both residential and professional users. Known for its robust build and reliability, this chainsaw is particularly well-suited for tasks such as tree pruning, cutting firewood, and managing landscaping projects.

One of the standout features of the Husqvarna 1153136-95 is its lightweight design. Weighing in at just around 10 lbs, it allows users to easily maneuver during extended periods of operation without causing excessive fatigue. This is complemented by an ergonomic handle that provides a comfortable grip, reducing strain on the hands and wrists.

The chainsaw is powered by an efficient and reliable engine. With a displacement of 38.2 cc, it delivers ample power for most cutting tasks while maintaining fuel efficiency. The technology incorporated into its engine design ensures lower emissions, making it an environmentally friendly option in the category of gas-powered chainsaws.

Another impressive feature of the Husqvarna 1153136-95 is the X-Torq technology. This innovatively engineered system reduces fuel consumption by up to 20%, resulting in longer runtimes between refueling. Additionally, it minimizes harmful exhaust emissions, meeting stringent environmental regulations and standards.

The chainsaw also includes an automatic oil pump that ensures a consistent flow of lubrication to the bar and chain, enhancing longevity and reducing wear during use. This feature allows users to focus on their tasks without frequently stopping to manage oil levels.

Additionally, the tool-less chain tensioning system is designed for user convenience, enabling quick adjustments on the fly without needing additional tools. This feature is especially useful for those who are busy or working under time constraints.

Safety is a priority with the Husqvarna 1153136-95, as it comes equipped with a chain brake system designed to stop the chain in the event of a kickback. This important safety feature provides peace of mind for users, especially those new to chainsaw operation.

Overall, the Husqvarna 1153136-95 combines performance, user-friendliness, and advanced technology, rendering it a versatile tool suitable for various cutting tasks. Whether tackling home maintenance or professional projects, this chainsaw is engineered to deliver reliable results and satisfy the demands of users.
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