Please read the operator???s manual carefully and make sure you understand the instructions before using the machine.

English

Symbols

WARNING! The machine can be a dangerous tool if used incorrectly or carelessly, which can cause serious or fatal injury to the operator or others.

Please read the operator???s manual carefully and make sure you understand the instructions before using the machine.

Always wear:

??? Approved hearing protection

??? Protective goggles or a visor

This product is in accordance with applicable

EC directives.

Always wear approved protective gloves.

Wear sturdy, non-slip boots.

The blower can forcibly throw objects that can bounce back. This can result in serious eye injuries.

The blower operator must ensure that no

people or animals come closer than 10 metres. When several operators are

working at the same site a safety

distance of at least 10 metres must be in effect.

Noise emission to the environment according to the European Community???s Directive. The machine???s emission is speci???ed in chapter Technical data and on label.

Other symbols/decals on the machine refer to special certi???cation requirements for certain markets.

Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance.

Always wear approved protective gloves.

Regular cleaning is required.

Visual check.

Protective goggles or a visor must be worn.

Note the following before starting:

Please read the operator???s manual carefully.

Long-term exposure to noise can result in permanent hearing impairment. So always use approved hearing protection.

WARNING! Under no circumstances may the

!design of the machine be modi???ed without the permission of the manufacturer. Always use genuine accessories. Non-authorized modi???cations and/or accessories can result in serious personal injury or the death of the operator or others.

WARNING! A blower is a dangerous tool if

!used carelessly or incorrectly and can cause serious, even fatal injuries. It is extremely important that you read and understand the contents of this Operator???s manual.

Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice.

Personal protective equipment

WARNING! You must use approved personal

!protective equipment whenever you use the machine. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen. Ask your dealer for help in choosing the right equipment. Please read the operator???s manual carefully and make sure you understand the instructions before using the machine.

WARNING! Listen out for warning signals or

!shouts when you are wearing hearing protection. Always remove your hearing protection as soon as the engine stops.

???Gloves should be worn when necessary.

???Wear hearing protection that provides adequate noise reduction.

???Always wear approved eye protection. If you use a visor then you must also wear approved protective goggles. Approved protective goggles must comply with standard ANSI Z87.1 in the USA or EN 166 in EU countries. Visors must comply with standard EN 1731.

Blows from branches or objects that are thrown can damage the eyes.

???Wear sturdy, non-slip boots.

???Wear clothes made of a strong fabric and avoid loose clothing that can catch on twigs and branches. Always wear heavy, long pants. Do not wear jewellery, shorts sandals or go barefoot. Secure hair so it is above shoulder level.

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???A breathing mask should be used when there is a risk of dust.

???Always have a ???rst aid kit nearby.

Machine???s safety equipment

This section describes the machine???s safety equipment, its purpose, and how checks and maintenance should be carried out to ensure that it operates correctly. See the ???What is what???? section to locate where this equipment is positioned on your machine.

The life span of the machine can be reduced and the risk of accidents can increase if machine maintenance is not carried out correctly and if service and/or repairs are not carried out professionally. If you need further information please contact your nearest service workshop.

WARNING! Never use a machine that has

!faulty safety equipment! Carry out the inspection, maintenance and service routines listed in this section.

Stop switch

Use the stop switch to switch off the engine.

Quick release

(141B, 155B, 165BT)

At the front is an easily accessible, quick release. Use this if the engine catches ???re or in any other emergency situation that requires you to free yourself from the machine and harness.

Vibration damping system

Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier.

The machine???s vibration damping system reduces the transfer of vibrations.

WARNING! Overexposure to vibration can

!lead to circulatory damage or nerve damage in people who have impaired circulation. Contact your doctor if you experience symptoms of overexposure to vibration. Such symptoms include numbness, loss of feeling, tingling, pricking, pain, loss of strength, changes in skin colour or condition.These symptoms normally appear in the ???ngers, hands or wrists. The risk increases at low temperatures.

Muf???er

The muf???er is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user.

In countries that have a warm and dry climate there is a signi???cant risk of ???re. We therefore ???t certain muf???ers with a spark arrestor mesh. Check whether the muf???er on your machine is ???tted with this kind of mesh.

For muf???ers it is very important that you follow the instructions on checking, maintaining and servicing your machine. See instructions under the heading Checking, maintaining and servicing the machine???s safety equipment.

WARNING! Muf???ers ???tted with catalytic

!converters get very hot during use and remain so for some time after stopping. This also applies at idle speed. Contact can result in burns to the skin. Remember the risk of ???re!

WARNING! Bear in mind that:

!Engine exhaust fumes contain carbon monoxide, which can cause carbon monoxide poisoning. For this reason you should not start or run the machine indoors, or anywhere that is poorly ventilated.

The exhaust fumes from the engine are hot and may contain sparks which can start a ???re. Never start the machine indoors or near combustible material!

WARNING! The inside of the muf???er contain

!chemicals that may be carcinogenic. Avoid contact with these elements in the event of a damaged muf???er.

Checking, maintaining and servicing the machine???s safety equipment

WARNING! All servicing and repair work on

!the machine requires special training.This is especially true of the machine???s safety equipment. If your machine fails any of the checks described below you must contact your service agent. When you buy any of our products we guarantee the availability of professional repairs and service. If the retailer who sells your machine is not a servicing dealer, ask him for the address of your nearest service agent.

WARNING! Never use a machine with faulty

!safety equipment. The machine???s safety equipment must be checked and maintained as described in this section. If your machine fails any of these checks contact your service agent to get it repaired.

Stop switch

???Start the engine and make sure the engine stops when you move the stop switch to the stop setting.

Vibration damping system

???Regularly check the vibration damping units for cracks or deformation.

???Check that the vibration damping element is undamaged and securely attached.

Muf???er

???Never use a machine that has a faulty muf???er.

???Regularly check that the muf???er is securely attached to the machine.

???If the muf???er on your machine is ???tted 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 muf???er with a defective spark arrestor mesh.

Quick release

(141B, 155B, 165BT)

Check that the harness straps are correctly positioned. Once the harness and machine have been adjusted, check that the harness quick release works correctly.

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General safety precautions

IMPORTANT INFORMATION

The only accessories you can use with this engine unit are those we recommend in the ???Technical data chapter???.

Never use the machine if you are tired, if you have drunk alcohol, or if you are taking medication that could affect your vision, your judgement or your co-ordination.

Wear personal protective equipment. See instructions under the heading Personal protective equipment.

Never use a machine that has been modi???ed in any way from its original speci???cation.

Never use a machine that is faulty. Carry out the checks, maintenance and service instructions described in this manual. Some maintenance and service measures must be carried out by trained and quali???ed specialists. See instructions under the heading Maintenance.

All covers and guards must be ???tted before starting. Make sure the spark plug cap and HT lead are not damaged. Otherwise you could get an electric shock.

The blower operator must ensure that no people or animals come closer than 10 metres. When several operators are working at the same site a safety distance of at least 10 metres must be in effect.

Starting

???Never start the machine indoors. Exhaust fumes can be dangerous if inhaled.

???Observe the surroundings and ensure that no people or animals can come into contact with the blower.

???Place the machine on the ground, press the machine body against the ground with your left hand (NOTE! Not with your foot). Then grasp the starter handle with your right hand and pull the cord.

Fuel safety

???Always use a fuel container with an anti-spill valve.

???Never refuel the machine while the engine is running. Always stop the engine and let it cool for a few minutes before refuelling.

???Make sure there is plenty of ventilation when refuelling or mixing fuel (petrol and 2-stroke oil).

???Avoid all skin contact with fuel. Fuel is a skin irritant and may even cause skin changes.

???Move the machine at least 3 m from the refuelling point before starting it.

???Never start the machine:

-If you have spilt fuel on it. Wipe off the spillage and allow remaining fuel to evaporate.

-If you have spilt fuel on yourself or your clothes, change your clothes. Wash any part of your body that has come in contact with fuel. Use soap and water.

-If the machine is leaking fuel. Check regularly for leaks from the fuel cap and fuel lines.

Transport and storage

???Store and transport the machine and fuel so that there is no risk of any leakage or fumes coming into contact with sparks or naked ???ames, for example, from electrical machinery, electric motors, electrical relays/switches or boilers.

???When storing and transporting fuel always use approved containers intended for this purpose.

???When storing the machine for long periods the fuel tank must be emptied. Contact your local petrol station to ???nd out where to dispose of excess fuel.

???Ensure the machine is cleaned and that a complete service is carried out before long-term storage.

WARNING! Take care when handling fuel.

!Bear in mind the risk of ???re, explosion and inhaling fumes.

Adjusting the harness

WARNING! The harness must always be

!worn when working with the machine. Failure to do so means you will be unable to manoeuvre safely and this can result in injury to yourself or others. Never wear a harness with a defective quick release.

Quick release

(141B, 155B, 165BT)

At the front is an easily accessible, quick release. Use this if the engine catches ???re or in any other emergency situation that requires you to free yourself from the machine and harness.

???Pull out the red strap.

???The hip strap and one shoulder strap will then be automatically released at the same time and the harness and engine unit will slide to the ground.

Spreading the load on your shoulders

A well-adjusted harness and machine makes work much easier. Adjust the harness for the best working position. Tension the side straps so that the weight is evenly distributed across both shoulders.

General working instructions

IMPORTANT! This section considers basic safety rules when working with blowers. If you encounter a situation where you are uncertain how to proceed you should ask an expert. Contact your dealer or your service workshop. Avoid all usage which you consider to be beyond your capability.

Show consideration to persons in your surroundings by avoiding using the machine at unsuitable times, such as late in the evening or early in the morning. Read through and follow the simple directions so that you disturb your surroundings as little as possible.

???Use the blower with the lowest possible throttle. It is seldom necessary to use full throttle, and many work procedures can be done at half throttle. A lower throttle means less noise and less dust, and it is also easier to keep control over the rubbish collected together/moved.

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???Use a rake or a brush to release rubbish stuck to the ground.

???Hold the opening of the blower as close to the ground as possible.

???Observe your surroundings. If anyone approaches your work area, set the throttle control to the lowest throttle until the person is at a safe distance. Direct the blower away from people, animals, play areas, and cars etc.

???Clean up afterwards. Make sure that you have not blown rubbish into someone???s garden.

Basic safety rules

???No unauthorised persons or animals may be present in the working area, which is 10 metres.

???The powerful currents of air can move objects at such a speed that they can bounce back and cause serious eye injuries.

???Do not direct the air jet towards people or animals.

???Stop the engine before assembling or dismantling accessories or other parts.

???Do not use the machine in bad weather, such as dense fog, heavy rain, strong wind, intense cold, etc. Working in bad weather is tiring and can lead to dangerous conditions, e.g. slippery surfaces.

???Make sure you can move and stand safely. Check the area around you for possible obstacles (roots, rocks, branches, ditches, etc.) in case you have to move suddenly. Take great care when working on sloping ground.

???Never put the machine down with the engine running unless you have it in clear sight.

???Engine exhaust fumes contain carbon monoxide, which can cause carbon monoxide poisoning. For this reason you should not start or run the machine indoors, or anywhere that is poorly ventilated.

???The blower must not be used while on a ladder or scaffolding.

???CAUTION! Do not use the machine unless you are able to call for help in the event of an accident.

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Basic working techniques

???Adjust the harness so that the machine is easy to carry.

WARNING! Watch out for thrown objects.

!Always wear eye protection. Stones, rubbish, etc. can be thrown up into the eyes causing blindness or serious injury. Keep unauthorised persons at a distance. Children, animals, onlookers and helpers should be kept outside the safety zone of 10 m. Stop the machine immediately if anyone approaches.

WARNING! Always stop the engine before

!cleaning.

???The speed of the air jet is controlled with the throttle. Select the speed that best suits the application. To avoid holding your ???nger on the throttle all the time when using the blower, the required throttle can be set with the throttle adjuster (D). Full throttle is obtained when the throttle adjuster is pushed in fully.

D

C

???Make sure that the air intake is not blocked by leaves or rubbish. This will reduce the machine???s air blowing capacity and increase the engine???s working temperature, which can lead to engine failure. Stop the engine and remove the object.

???Be aware of the wind direction. Work with the wind to make your work easier.

???Using the blower to move large piles is time consuming and creates unnecessary noise.

Fuel

CAUTION! The machine is equipped with a two-stroke engine and must always been run using a mixture of petrol and two- stroke engine oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, even small inaccuracies can drastically affect the ratio of the mixture.

WARNING! Always ensure there is adequate

!ventilation when handling fuel.

Petrol

CAUTION!

Always use a good quality petrol/oil mixture (at least 90 octane). If your machine is equipped with a catalytic converter (see chapter on Technical data) always use a good quality unleaded petrol/oil mixture. Leaded petrol will destroy the catalytic converter and it will no longer serve its purpose.

???The lowest recommended octane rating is 90. If you run the engine on a petrol with a lower octane rating than 90 this can cause knocking. This leads to an increased engine temperature, which can result in serious engine damage.

???When working at continuous high revs a higher octane rating is recommended.

Two-stroke oil

???For best results and performance use HUSQVARNA two- stroke oil, which is specially formulated for our two-stroke engines. Mixture 1:50 (2%).

???If HUSQVARNA two-stroke oil is not available, you may use another two-stroke oil of good quality that is intended for air cooled engines. Contact your dealer when selecting an oil. Mixing ratio 1:33 (3%).

???Never use two-stroke oil intended for water-cooled outboard engines, sometimes referred to as outboard oil.

???Never use oil intended for four-stroke engines.

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Mixing

???Always mix the petrol and oil in a clean container intended for fuel.

???Always start by ???lling half the amount of the petrol to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture. Add the remaining amount of petrol.

???Mix (shake) the fuel mixture thoroughly before ???lling the machine???s fuel tank.

???Do not mix more than one month???s supply of fuel at a time.

???If the machine is not used for some time the fuel tank should be emptied and cleaned.

Fuelling

WARNING! Taking the following precautions,

!will lessen the risk of ???re:

Do not smoke or place hot objects near fuel.

Always shut off the engine before refuelling.

Always stop the engine and let it cool for a few minutes before refuelling.

When refuelling, open the fuel cap slowly so that any excess pressure is released gently.

Tighten the fuel cap carefully after refuelling.

Always move the machine away from the refuelling area before starting.

???Move the machine at least 3 m from the refuelling point before starting it.

???Clean the area around the fuel cap. Contamination in the tank can cause operating problems.

???Ensure that the fuel is well mixed by shaking the container before ???lling the tank.

Starting and stopping

WARNING! Always move the machine away

!from the refuelling area before starting. Place the machine on a ???at surface.

Make sure no unauthorised persons are in the working area, otherwise there is a risk of serious personal injury. The safety distance is 10 metres.

The machine may only be started in its complete design. If the machine is started without all the guards ???tted there is a risk of personal injuries.

Cold engine

Ignition:

Set the stop switch to the start position.

Choke: Set the choke control in the choke position.

Air purge: Press the air purge diaphragm repeatedly until fuel begins to ???ll the diaphragm. The diaphragm need not be completely ???lled.

Warm engine

Use the same starting procedure as for a cold engine but without setting the choke control in the choke position.

Starting

Hold the body of the machine on the ground using your left hand (CAUTION! Not with your foot!).

Grip the starter handle, slowly pull out the cord with your right hand until you feel some resistance (the starter pawls grip), now quickly and powerfully pull the cord.

Reset the choke when the engine ???res, repeat pulling the cord until the engine starts. Never twist the starter cord around your hand.

CAUTION! Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended. This can damage the machine.

Stopping

The engine is stopped by moving the stop switch to the stop position.

Carburettor

Your Husqvarna product has been designed and manufactured to speci???cations that reduce harmful emissions. After the engine has used 8-10 tanks of fuel the engine will be run-in.To ensure that it continues to run at peak performance and to minimise harmful exhaust emissions after the running-in period, ask your dealer/service workshop (who will have a rev counter at their disposal) to adjust your carburettor.

WARNING! The machine may only be started

!in its complete design. If the machine is started without all the guards ???tted there is a risk of personal injuries.

Function

The carburettor governs the engine???s speed via the throttle control. Air and fuel are mixed in the carburettor. The air/fuel mixture is adjustable. Correct adjustment is essential to get the best performance from the machine.

Adjusting the carburettor means that the engine is adapted to local operating conditions, e.g. climate, altitude, petrol and the type of 2-stroke oil.

Fine adjustment of the idle speed T

Adjust the idle speed using the idle adjustment screw T, if it is necessary to readjust.

The T-screw regulates the throttle setting at idle speed. If the T-screw is turned clockwise this gives a higher idle speed; turning it anti-clockwise gives a lower idle speed. The idle speed is correctly adjusted when the engine will run smoothly in every position.

Rec. idle speed See the Technical data section.

Muf???er

The muf???er is designed to reduce the noise level and to direct the exhaust gases away from the operator.The exhaust gases are hot and can contain sparks, which may cause ???re if directed against dry and combustible material.

Some muf???ers are equipped with a special spark arrest screen. If your machine is ???tted with this type of screen it should be cleaned regularly. This is done using a wire brush. On muf???ers without a catalytic converter the screen should be cleaned weekly, or replaced if necessary. On muf???ers ???tted

with a catalytic converter the screen should be checked and cleaned monthly. If the screen is damaged it should be replaced. If the screen is frequently blocked, this can be a sign that the function of the catalytic converter is impaired.

CAUTION! Never use a machine with a defective muf???er.

Cooling system

To keep the working temperature as low as possible the machine is equipped with a cooling system.

The cooling system consists of:

1Air intake on the starter.

2Fins on the ???ywheel.

3Cooling ???ns on the cylinder.

4Cylinder cover (directs cold air over the cylinder).

Clean the cooling system with a brush once a week, more often in demanding conditions. A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder.

Spark plug

The spark plug condition is in???uenced by:

???Incorrect carburettor adjustment.

???An incorrect fuel mixture (too much or incorrect type of oil).

???A dirty air ???lter.

These factors cause deposits on the spark plug electrodes, which may result in operating problems and starting dif???culties.

If the machine is low on power, dif???cult to start or runs poorly at idle speed: always check the spark plug ???rst before taking any further action. If the spark plug is dirty, clean it and check that the electrode gap is 0.5/0,6 mm. The spark plug should be replaced after about a month in operation or earlier if necessary.

CAUTION! Always use the recommended spark plug type! Use of the wrong spark plug can damage the piston/cylinder.

Air ???lter

The air ???lter must be regularly cleaned to remove dust and dirt in order to avoid:

???Carburettor malfunctions

???Starting problems

???Loss of engine power

???Unnecessary wear to engine parts.

???Excessive fuel consumption.

Clean the ???lter every 25 hours, or more regularly if conditions are exceptionally dusty.

Cleaning the air ???lter

Remove the air ???lter cover and take out the ???lter.Wash it clean in warm, soapy water.

Ensure that the ???lter is dry before re???tting it.

An air ???lter that has been in use for a long time cannot be cleaned completely. The ???lter must therefore be replaced with a new one at regular intervals. A damaged air ???lter must always be replaced.

If the machine is used in dusty conditions the air ???lter should be soaked in oil. See instructions under the heading Oiling the air ???lter.

Oiling the air ???lter

Always use HUSQVARNA ???lter oil, art. no. 531 00 92-48. The ???lter oil contains a solvent to make it spread evenly through the ???lter. You should therefore avoid skin contact.

Put the ???lter in a plastic bag and pour the ???lter oil over it. Knead the plastic bag to distribute the oil. Squeeze the excess oil out of the ???lter inside the plastic bag and pour off the excess before ???tting the ???lter to the machine. Never use common engine oil. This would drain through the ???lter quite quickly and collect in the bottom.

Maintenance schedule

Below you will ???nd some general maintenance instructions. If you need further information please contact your service workshop.

Daily maintenance

1Clean the outside of the machine.

2Check that the throttle control functions safely.

3Check that the stop switch works correctly.

4Clean the air ???lter. Replace if necessary.

5Check that nuts and screws are tight.

6Check that there are no fuel leaks.

Weekly maintenance

1Check the starter and starter cord.

2Check that the vibration damping elements are not damaged.

3Clean the outside of the spark plug. Remove it and check the electrode gap. Adjust the gap to 0.5/0,6 mm or replace the spark plug.

4Clean the cooling ???ns on the ???ywheel.

5Clean or replace the spark arrestor mesh on the muf???er (only applies to muf???ers without a catalytic converter).

6Clean the carburettor compartment.

7Clean the cooling ???ns on the cylinder and check that the air intake near the starter is not blocked.

Monthly maintenance

1Clean the fuel tank.

2Clean the outside of the carburettor and the space around it.

3Clean the fan and the area around it.

4Check the fuel ???lter and the fuel hose. Replace if necessary.

5Check all cables and connections.

6Replace the spark plug.

7Check and clean the spark arrestor mesh on the muf???er (only applies to muf???ers ???tted with a catalytic converter).