Husqvarna 967650801 Mode d'emploi

Marque: Husqvarna

Modèle: 967650801

Catégorie: Tronçonneuses électriques

Taper: Mode d'emploi

Ce manuel convient également à

967650901

435 II, 435e II, 440 II, 440e II

EN Operator's manual 9-32

ES-MX Manual del usuario 33-60

FR-CA Manuel d’utilisation 61-88

20212223

1716

WARNING

The engine exhaust from this product

contains chemicals known to the State of

California to cause cancer, birth defects

or other reproductive harm.

¡ADVERTENCIA!

ATTENTION!

3 4 5 6 7 8

11 12 13 14

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yyyywwxxxxx

10T

16”

Husqvarna SP33G

6,8

45º-70º

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PITCH =

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Contents

Introduction..................................................................... 9

Safety............................................................................10

Assembly...................................................................... 13

Operation...................................................................... 14

Maintenance................................................................. 20

Troubleshooting............................................................ 26

Transportation and storage...........................................27

Technical data.............................................................. 27

Accessories.................................................................. 28

Warranty....................................................................... 30

Introduction

Product description

The Husqvarna 435 II, 435e II, 440 II, 440e II are

chainsaw models with a combustion engine.

Work is constantly in progress to increase your safety

and efficiency during operation. Speak to your servicing

dealer for more information.

Intended use

This product is intended for sawing in wood.

Note: National regulations can set limit to the operation

of the product.

Product overview

(Fig. 1)

1. Cylinder cover

2. Air purge bulb

3. Start decal

4. Start/stop switch

5. Rear handle

6. Information and warning decal

7. Fuel tank

8. Adjuster screws carburetor

9. Starter rope handle

10. Starter housing

11. Chain oil tank

12. Product and serial number plate

13. Felling direction mark

14. Front handle

15. Chain brake and front hand guard

16. Muffler

17. Saw chain

18. Bar tip sprocket

19. Guide bar

20. Spiked bumper

21. Chain catcher

22. Chain tensioning screw

23. Clutch cover

24. Right hand guard

25. Throttle trigger

26. Throttle trigger lockout

27. Operator's manual

28. Combination wrench

29. Guide bar cover

Symbols on the product

(Fig. 3) WARNING! Be careful and use the product

correctly. This product can cause serious

injury or death to the operator or others.

(Fig. 4) Read the operator's manual carefully and

make sure that you understand the

instructions before you use this product.

(Fig. 5) Always wear approved protective helmet,

approved hearing protection and eye

protection.

(Fig. 6) Use 2 hands to operate the product.

(Fig. 7) Do not operate the product with one hand

only.

(Fig. 8) Do not let the guide bar tip touch an object.

(Fig. 9) Other approved bar and chain combinations

in the operator's manual.

(Fig. 10) Computed kickback bar stopping angle

without actuated chainbrake, CKA wob.

(Fig. 11) Computed kickback bar stopping angle with

actuated chainbrake, CKA wb.

(Fig. 12) Warning! Kickback can occur when the

guide bar tip touches an object. A kickback

causes a lightning fast reverse reaction that

throws the guide bar up and in the direction

of the operator. Can cause serious injury.

(Fig. 13) Choke.

(Fig. 14) Fuel.

1270 - 002 - 30.06.2020 9

(Fig. 15) Chain oil.

(Fig. 16) Air purge bulb.

(Fig. 17) Adjustment of the oil pump.

(Fig. 18) Chain brake, engaged (right). Chain brake,

disengaged (left).

(Fig. 20) The rating plate showing serial number. yyyy

is the production year, ww is the production

week.

(Fig. 21) Recommended cutting equipment in this ex-

ample: - Guide bar length: 16 inches - Max.

nose radius: 10T - Saw chain type: Husqvar-

na SP33G

Note: Other symbols/decals on the product refer to

certification requirements for certain markets.

EPA III

(Fig. 19)

The Emissions Compliance Period referred to on the

Emission Compliance label indicates the number of

operating hours for which the engine has been shown to

meet Federal emissions requirement. Maintenance,

replacement or repair of the emission control devices

and system may be performed by any nonroad engine

repair establishment or individual.

California Proposition 65

(Fig. 2)

Safety

Safety definitions

Warnings, cautions and notes are used to point out

specially important parts of the manual.

WARNING: Used if there is a risk of injury or

death for the operator or bystanders if the

instructions in the manual are not obeyed.

CAUTION: Used if there is a risk of damage

to the product, other materials or the

adjacent area if the instructions in the

manual are not obeyed.

Note: Used to give more information that is necessary in

a given situation.

General safety instructions

WARNING: Read the warning instructions

that follow before you use the product.

• A chainsaw is a dangerous tool if used carelessly or

incorrectly and can cause serious injury or death. It

is very important that you read and understand the

contents of this operator’s manual.

• Under no circumstances may the design of the

product be modified without the permission of the

manufacturer. Do not use a product that appears to

have been modified by others and only use

accessories recommended for this product. Non-

authorized modifications and/or accessories can

result in serious personal injury or the death of the

operator or others. Your warranty may not cover

damage or liability caused by the use of non-

authorized accessories or replacement parts.

• The inside of the muffler contains chemicals that

may be carcinogenic. Avoid contact with these

elements in the event of a damaged muffler.

• Long term inhalation of the engine’s exhaust fumes,

chain oil mist and sawdust can represent a health

risk.

• This product produces an electromagnetic field

during operation. This field may under some

circumstances interfere with active or passive

medical implants. To reduce the risk of serious or

fatal injury, we recommend persons with medical

implants to consult their physician and the medical

implant manufacturer before operating this product.

• The information in this operator's manual is never a

substitute for professional skills and experience. If

you get into a situation where you feel unsafe, stop

and seek expert advice. Contact your servicing

dealer or an experienced chainsaw user. Do not

attempt any task that you feel unsure of!

Safety instructions for operation

WARNING: Read the warning instructions

that follow before you use the product.

• Before using the chainsaw you must understand the

effects of kickback and how to avoid them. Refer to

Kickback information on page 15

for instructions.

• Never use a product that is faulty.

• Never use a product with visible damage to the

spark plug cap and ignition cable. A risk of sparking

arises, which can cause a fire.

1270 - 002 - 30.06.2020

• Never use the product if you are fatigued, while

under the influence of alcohol or drugs, medication

or anything that could affect your vision, alertness,

coordination or judgment.

• Do not use the product in bad weather such as

dense fog, heavy rain, strong wind, intense cold,

etcetera. Working in bad weather is tiring and often

brings added risks, such as icy ground,

unpredictable felling direction, etcetera.

• Never start a product unless the guide bar, saw

chain and all covers are fitted correctly. Refer to

Assembly on page 13

for instructions. Without a bar

and saw chain attached to the product the clutch can

come loose and cause serious injury.

(Fig. 22)

• Never start the product indoors. Exhaust fumes can

be dangerous if inhaled.

• The exhaust fumes from the engine are hot and can

contain sparks, which can start a fire. Never start the

product near flammable material!

• Observe your surroundings and make sure that there

is no risk of people or animals coming in contact with

or affect your control of the product.

• Never allow children to use or be in the vicinity of the

product. As the product is equipped with a spring-

loaded start/stop switch and can be started by low

speed and force on the starter handle, even small

children under some circumstances can produce the

force necessary to start the product. This can mean

a risk of serious personal injury. Therefore remove

the spark plug cap when the product is not under

close supervision.

• You must have a steady stance in order to have full

control of the product. Never work standing on a

ladder, in a tree or where you do not have a firm

ground to stand on.

(Fig. 23)

• Lack of concentration can lead to kickback if the

kickback zone of the bar accidentally touches a

branch, nearby tree or some other object.

(Fig. 24)

• Never use the product by holding it with one hand.

This product is not safely controlled with one hand.

• Always hold the product with both hands. The right

hand should be on the rear handle, and the left hand

on the front handle. All people, whether right or left

handed, should use this grip. Use a firm grip with

thumbs and fingers encircling the handles. This grip

minimizes the risk of kickback and lets you keep the

product under control. Do not let go of the handles!

(Fig. 25)

• Never use the product above shoulder height.

(Fig. 26)

• Do not use the product in a situation where you

cannot call for help in case of an accident.

• Before moving your product, switch off the engine

and lock the saw chain using the chain brake. Carry

the product with the guide bar and saw chain

pointing backwards. Fit a transportation guard to the

guide bar before transporting the product or carrying

it for any distance.

• When you put the product on the ground, lock the

saw chain using the chain brake and ensure you

have a constant view of the product. Switch the

engine off before leaving your product for any length

of time.

• Sometimes chips get stuck in the clutch cover

causing the saw chain to jam. Always stop the

engine before cleaning.

• Running an engine in a confined or badly ventilated

area can result in death due to carbon monoxide

poisoning.

• Use the chain brake as a parking brake when you

start the product and when you move short

distances. Always carry the product in the front

handle. This decreases the risk that you or a person

near you get hit by the saw chain.

• It is not possible to cover every conceivable situation

you can face when using this product. Always

exercise care and use your common sense. Avoid all

situations which you consider to be beyond your

capability. If you still feel uncertain about operating

procedures after reading these instructions, you

should consult an expert before continuing. Do not

hesitate to contact your dealer or Husqvarna if you

have any questions about the use of the product. We

will willingly be of service and provide you with

advice as well as help you to use your product both

efficiently and safely. Attend a training course in

chainsaw usage if possible. Your dealer, forestry

school or your library can provide information about

which training materials and courses are available.

(Fig. 27)

• When using this product, a fire extinguisher should

be available.

• Keep handles dry, clean and free from oil.

• Beware of carbon monoxide poisoning. Operate the

product in a well ventilated area only.

• Do not attempt a pruning or limbing operation in a

standing tree unless specifically trained to do so.

Personal protective equipment

WARNING:

Read the warning instructions

that follow before you use the product.

(Fig. 28)

• Most chainsaw accidents occur when the saw chain

touches the operator. You must use approved

personal protective equipment during operation.

Personal protective equipment does not give you full

protection from injuries but it decreases the degree

of injury if an accident occurs. Speak to your

servicing dealer for recommendations about which

equipment to use.

1270 - 002 - 30.06.2020

• Your clothing must be close-fitting but not limit your

movements. Regularly do a check of the condition of

the personal protective equipment.

• Use an approved protective helmet.

• Use approved hearing protection. Long-term

exposure to noise can result in permanent damage

to the hearing.

• Use protective glasses or a face visor to decrease

the risk of injury from thrown objects. The product

can throw objects, such as wood chips, small pieces

of wood and more, at large force. This can result in

serious injury, especially to the eyes.

• Use gloves with saw protection.

• Use pants with saw protection.

• Use boots with saw protection, steel toe-cap and

non-slip sole.

• Always have a first-aid kit with you.

• Risk of sparks. Keep fire extinguishing tools and a

shovel near to prevent forest fires.

Safety devices on the product

WARNING: Read the warning instructions

that follow before you use the product.

• Do not use a product with defective safety devices.

• Do a check of the safety devices regularly. Refer to

Maintenance and checks of the safety devices on

the product on page 21

• If the safety devices are defective, speak to your

Husqvarna servicing dealer.

Chain brake and front hand guard

Your product has a chain brake that stops the saw chain

if you get a kickback. The chain brake decreases the

risk of accidents, but only you can prevent them.

The chain brake engages (A) manually by your left hand

or automatically by the inertia release mechanism. Push

the front hand guard (B) forward to engage the chain

brake manually.

(Fig. 29)

Pull the front hand guard rearward to disengage the

chain brake.

(Fig. 30)

Throttle trigger lockout

The throttle trigger lockout prevents accidental operation

of the throttle trigger. If you put your hand around the

handle and press the throttle trigger lockout (A), it

releases the throttle trigger (B). If you release the

handle, the throttle trigger and the throttle trigger lockout

move back to their initial positions. This function locks

the throttle trigger at idle speed.

(Fig. 31)

Chain catcher

The chain catcher catches the saw chain if it breaks or

derails. Correct saw chain tension and correctly applied

maintenance on the saw chain and guide bar, decrease

the risk of accidents.

(Fig. 32)

Right hand guard

The right hand guard is a protection for your hand on the

rear handle. The right hand guard gives you protection if

the saw chain breaks or derails. The right hand guard

also gives you protection from branches or twigs.

(Fig. 33)

Vibration damping system

The vibration damping system decreases vibration in the

handles. Vibration damping units operate as a

separation between the product body and the handle

unit.

Refer to

Product overview on page 9

for information

about where the vibration damping system is on your

product.

Start/stop switch

Use the start/stop switch to stop the engine.

(Fig. 34)

WARNING: The start/stop switch

automatically goes back to start position. To

prevent accidental start, remove the spark

plug cap from the spark plug when you

assemble or do maintenance on the product.

(Fig. 35)

Muffler

WARNING:

The muffler becomes very hot

during/after operation and at idle speed.

There is a risk of fire, especially when you

operate the product near flammable

materials and/or fumes.

WARNING: Do not operate a product

without a muffler or with a defective muffler.

A defective muffler can increase the noise

level and the risk of fire. Keep fire

extinguishing tools near. Do not use a

product without, or with a broken, spark

arrestor mesh if you must have a spark

arrestor mesh in your area.

The muffler keeps the noise levels to a minimum and

points the exhaust fumes away from the operator. In

areas with a hot, dry weather there is a high risk of fire.

Obey local regulations and maintenance instructions.

1270 - 002 - 30.06.2020

(Fig. 36)

Fuel safety

WARNING: Read the warning instructions

that follow before you use the product.

• Make sure there is plenty of ventilation when

refuelling or mixing fuel (petrol and two-stroke oil).

• Fuel and fuel vapour are highly flammable and can

cause serious injury when inhaled or allowed to

come in contact with the skin. For this reason

observe caution when handling fuel and make sure

there is adequate ventilation.

• Take care when handling fuel and chain oil. Be

aware of the risks of fire, explosion and those

associated with inhalation.

• Do not smoke and do not place any hot objects in

the vicinity of fuel.

• 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.

• Never refuel the machine while the engine is

running.

• Always move the product at least 3 m (10 ft) away

from the refuelling area and fuel source before

starting.

(Fig. 37)

After refuelling, there are some situations where you

must never start the product:

• If you have spilled fuel or chain oil on the product.

Wipe off the spillage and allow remaining fuel to

evaporate.

• If you have spilled fuel on yourself or on your

clothes. Change your clothes and wash any part of

your body that has come in contact with fuel. Use

soap and water.

• If the product leaks fuel. Regularly do a check for

leaks from the fuel tank, fuel cap and fuel lines.

Safety instructions for maintenance

WARNING: Read the warning instructions

that follow before you do maintenance on

the product.

• Do only the maintenance and servicing given in this

operator's manual. Let professional servicing

personnel do all other servicing and repairs.

• Regularly do the safety checks, maintenance and

service instructions given in this manual. Regular

maintenance increases the life of the product and

decreases the risk of accidents. Refer to

Introduction

on page 13

for instructions.

• If the safety checks in this operator's manual is not

approved after you do maintenance, speak to your

servicing dealer. We guarantee that there are

professional repairs and servicing available for your

product.

Safety instructions for the cutting equipment

WARNING: Read the warning instructions

that follow before you use the product.

• Only use the guide bar/saw chain combinations and

filing equipment that we recommend. Refer to

Accessories on page 28

for instructions.

• Use protective gloves when you use or do

maintenance on the saw chain. A saw chain that

does not move can also cause injuries.

• Keep the cutting teeth correctly sharpened. Obey the

instructions and use the recommended file gauge. A

saw chain that is damaged or incorrectly sharpened

increases the risk of accidents.

(Fig. 38)

• Keep the correct depth gauge setting. Obey the

instructions and use the recommended depth gauge

setting. Too large depth gauge setting increases the

risk of kickback.

(Fig. 39)

• Make sure that the saw chain has the correct

tension. If the saw chain is not tight against the guide

bar, the saw chain can derail. An incorrect saw chain

tension increases wear on the guide bar, saw chain

and chain drive sprocket. Refer to

To adjust the

tension of the saw chain on page 25

(Fig. 40)

• Do maintenance on the cutting equipment regularly

and keep it correctly lubricated. If the saw chain is

not correctly lubricated, the risk of wear on the guide

bar, saw chain and chain drive sprocket increases.

(Fig. 41)

Assembly

Introduction

WARNING: Read and understand the safety

chapter before you assemble the product.

To assemble the guide bar and saw

chain

1. Move the front hand guard rearward to disengage

the chain brake.

2. Remove the bar nut and the clutch cover. (Fig. 42)

1270 - 002 - 30.06.2020 13

Note: If the clutch cover is not easy to remove,

tighten the bar nut, engage the chain brake and

release. A click is heard if it is released correctly.

3. Assemble the guide bar onto the bar bolts. Move the

guide bar to its most rear position.

4. Install the saw chain correctly around the drive

sprocket and put it in the groove on the guide bar.

WARNING: Always use protective

gloves when you assemble the saw

chain.

5. Make sure that the edges of the cutters point forward

on the top edge of the guide bar. (Fig. 43)

6. Align the hole in the guide bar with the chain adjuster

pin and install the clutch cover.

7. Tighten the bar nut finger tight.

8. Tighten the saw chain. Refer to

To adjust the tension

of the saw chain on page 25

for instructions.

9. Tighten the bar nut.

Operation

Introduction

WARNING: Read and understand the safety

chapter before you use the product.

To do a function check before you use

the product

1. Make sure that the chain brake operates correctly

and that it is not damaged.

2. Make sure that the right hand guard is not damaged.

3. Make sure that the throttle lockout operates correctly

and that it is not damaged.

4. Make sure that the start/stop switch operates

correctly and that it is not damaged.

5. Make sure that there is no oil on the handles.

6. Make sure that the vibration damping system

operates correctly and that it is not damaged.

7. Make sure that the muffler is correctly attached and

that it is not damaged.

8. Make sure that all parts of the product are correctly

attached and not damaged or missing.

9. Make sure that the chain catcher is correctly

attached.

10. Do a check of the saw chain tension. (Fig. 44)

Fuel

This product has a two-stroke engine.

CAUTION: Incorrect type of fuel can result in

engine damage. Use a mixture of gasoline

and two-stroke oil.

Premixed fuel

• Use Husqvarna premixed alkylate fuel of a good

quality, for best performance and extension of the

engine life. This fuel contains less harmful chemicals

compared to regular fuel, which decreases harmful

exhaust fumes. The quantity of remains after

combustion is lower with this fuel, which keeps the

components of the engine more clean.

To mix fuel

Gasoline

• Use good quality unleaded gasoline with a maximum

of 10% ethanol contents.

CAUTION: Do not use gasoline with an

octane grade less than 90 RON/87 AKI.

Use of a lower octane grade can cause

engine knocking, which causes engine

damages.

• We recommend that you use gasoline of a higher

octane grade for work with continuously high rpm.

Two-stroke oil

• For best results and performance use Husqvarna

two-stroke oil.

• If Husqvarna two-stroke oil is not available, use a

two-stroke oil of good quality for air-cooled engines.

Speak to your servicing dealer to select the correct

oil.

CAUTION: Do not use two-stroke oil for

water-cooled outboard engines, also

referred to as outboard oil. Do not use oil

for four-stroke engines.

To mix gasoline and two-stroke oil

Gasoline, liter Two-stroke oil,

liter

2% (50:1)

5 0.10

10 0.20

15 0.30

20 0.40

14 1270 - 002 - 30.06.2020

US gallon US fl. oz.

1 2 ½

2 1/2 6 ½

5 12 ⅞

CAUTION: Small errors can influence the

ratio of the mixture drastically when you mix

small quantities of fuel. Measure the quantity

of oil carefully and make sure that you get

the correct mixture.

(Fig. 45)

1. Fill half the quantity of gasoline in a clean container

for fuel.

2. Add the full quantity of oil.

3. Shake the fuel mixture.

4. Add the remaining quantity of gasoline to the

container.

5. Carefully shake the fuel mixture.

CAUTION: Do not mix fuel for more than 1

month at a time.

To fill the fuel tank

1. Clean the area around the fuel tank cap. (Fig. 46)

2. Shake the container and make sure that the fuel is

fully mixed.

3. Remove the fuel tank cap and fill the fuel tank.

4. Tighten the fuel tank cap carefully.

5. Move the product 3 m/10 ft or more away from the

refueling area and fuel source before you start the

engine.

Note:

To see where the fuel tank is on your product,

refer to

Product overview on page 9

To do a run-in

• During the first 10 hours of operation, do not apply

full throttle without load for extended periods.

To use the correct chain oil

WARNING:

Do not use waste oil, which can

cause injury to you and the environment.

Waste oil also causes damage to the oil

pump, the guide bar and the saw chain.

WARNING: The saw chain can break if the

lubrication of the cutting equipment is not

sufficient. Risk of serious injury or death to

the operator.

WARNING: This product has a function that

lets the fuel run out before the chain oil. Use

the correct chain oil for this function to

operate correctly. Speak to your servicing

dealer when you select your chain oil.

• Use Husqvarna chain oil for maximum saw chain life

and to prevent negative effects on the environment.

If Husqvarna chain oil is not available, we

recommend you to use a standard chain oil.

• Use a chain oil with good adherence to the saw

chain.

• Use a chain oil with correct viscosity range that

agrees with the air temperature.

CAUTION: If the oil is too thin, it runs out

before the fuel. In temperatures below

0°C/32°F some chain oils become too

thick, which can cause damage to the oil

pump components.

• Use the recommended cutting equipment. Refer to

Accessories on page 28

• Remove the cap to the chain oil tank.

• Fill the chain oil tank with chain oil.

• Attach the cap carefully.

(Fig. 47)

Note: To see where the chain oil tank is on you product,

refer to

Product overview on page 9

Kickback information

WARNING:

A kickback can cause serious

injury or death to the operator or others. To

decrease the risk you must know the causes

of kickback and how to prevent them.

A kickback occurs when the kickback zone of the guide

bar touches an object. A kickback can occur suddenly

and with large force, which throws the product in the

direction of the operator.

(Fig. 48)

Kickback always occurs in the cutting plane of the guide

bar. Usually, the product is thrown against the operator

but can also move in a different direction. It is how you

use the product when the kickback occurs that causes

the direction of the movement.

(Fig. 49)

A smaller bar tip radius decreases the force of the

kickback.

Use a low kickback saw chain to decrease the effects of

kickback. Do not let the kickback zone touch an object.

WARNING:

No saw chain fully prevents

kickback. Always obey the instructions.

1270 - 002 - 30.06.2020 15

Common questions about kickback

• Will the hand always engage the chain brake during

a kickback?

No. It is necessary to use some force to push the

front hand guard forward. If you do not use the force

necessary, the chain brake will not be engaged. You

must also hold the handles of the product stable with

two hands during work. If a kickback occurs, it is

possible that the chain brake does not stop the saw

chain before it touches you. There are also some

positions in which your hand can not touch the front

hand guard to engage the chain brake. An example

of this is in the felling position.

• Will the inertia release mechanism always engage

the chain brake during kickback?

No. First, the chain brake must operate correctly.

Refer to

To do a check of the chain brake on page

for instructions about how to do a check of the

chain brake. We recommend you to do this each

time before you use the product. Second, the force

of the kickback must be large to engage the chain

brake. If the chain brake is too sensitive, it can

engage during rough operation.

• Will the chain brake always protect me from injury

during a kickback?

No. The chain brake must operate correctly to give

protection. The chain brake must also be engaged

during a kickback to stop the saw chain. If you are

near the guide bar, it is possible that the chain brake

does not have time to stop the saw chain before it

hits you.

WARNING:

Only you and the correct

working technique can prevent kickbacks.

To start the product

To prepare to start with a cold engine

WARNING:

The chain brake must be

engaged when the product is started to

decrease the risk of injury.

1. Move the front hand guard forward to engage the

chain brake. (Fig. 50)

2. Pull the start/stop switch (A) out and up, to set it in

choke position.

3. Push the air purge bulb (B) approximately 6 times or

until fuel starts to fill the bulb. It is not necessary to

fill the air purge bulb fully. (Fig. 51)

4. Continue to

To start the product on page 16

for

more instructions.

To prepare to start with a warm engine

WARNING: The chain brake must be

engaged when the product is started to

decrease the risk of injury.

1. Move the front hand guard forward to engage the

chain brake. (Fig. 50)

2. Pull the start/stop switch (A) out and up, to set it in

choke position.

3. Push the air purge bulb (B) approximately 6 times or

until fuel starts to fill the bulb. It is not necessary to

fill the air purge bulb fully. (Fig. 52)

4. Push the start/stop switch down (C).

5. Continue to

To start the product on page 16

for

more instructions.

To start the product

WARNING: You must keep your feet in a

stable position when you start the product.

WARNING: If the saw chain rotates at idle

speed, speak to your servicing dealer and

do not use the product.

1. Put the product on the ground.

2. Put your left hand on the front handle.

3. Put your right foot into the footgrip on the rear

handle.

4. Pull the starter rope handle slowly with your right

hand until you feel resistance.

WARNING:

Do not twist the starter rope

around your hand.

5. Pull the starter rope handle quickly and with force.

(Fig. 53)

CAUTION:

Do not pull the starter rope to

full extension and do not let go of the

starter rope handle. This can cause

damage to the product.

a) If you start your product with a cold engine, pull

the starter rope handle until the engine fires.

Note:

You can identify when the engine fires

through a "puff" sound.

b) Disengage the choke.

6. Pull the starter rope handle until the engine starts.

7. Quickly disengage the throttle trigger lockout to set

the product to idle speed. (Fig. 54)

8. Move the front hand guard rearward to disengage

the chain brake. (Fig. 55)

1270 - 002 - 30.06.2020

9. Use the product.

To stop the product

1. Push the start/stop switch down to stop the engine.

(Fig. 34)

Pull stroke and push stroke

You can cut through wood with the product in 2 different

positions.

• To cut on the pull stroke is when you cut with the

bottom of the guide bar. The saw chain pulls through

the tree when you cut. In this position you have

better control of the product and the position of the

kickback zone.

(Fig. 56)

• To cut on the push stroke is when you cut with the

top of the guide bar. The saw chain pushes the

product in the direction of the operator.

(Fig. 57)

WARNING: If the saw chain is caught in

the trunk, the product can be pushed at

you. Hold the product tightly and make

sure that the kickback zone of the guide

bar does not touch the tree and causes a

kickback.

(Fig. 58)

To use the cutting technique

WARNING: Use full throttle when you cut

and decrease to idle speed after each cut.

CAUTION: Engine damage can occur if the

engine runs for too long at full throttle

without load.

1. Put the trunk on a saw horse or runners. (Fig. 59)

WARNING: Do not cut trunks in a pile.

That increases the risk of kickback and

can result in serious injury or death.

2. Remove the cut pieces from the cutting area.

WARNING: Cut pieces in the cutting

area increase the risk of kickback and

that you can not keep your balance.

To use the spiked bumper

1. Push the spiked bumper into the trunk of the tree.

2. Apply full throttle and rotate the product. Keep the

spiked bumper against the trunk. This procedure

makes it easier to apply the force necessary to cut

through the trunk. (Fig. 60)

To cut a trunk on the ground

1. Cut through the trunk on the pull stroke. Keep full

throttle but be prepared for sudden accidents. (Fig.

61)

WARNING: Make sure that the saw

chain does not touch the ground when

you complete the kerf.

2. Cut approximately ⅔ through the trunk and then

stop. Turn the trunk and cut from the opposite side.

(Fig. 62)

To cut a trunk that has support on one end

WARNING: Make sure that the trunk does

not break during cutting. Obey the

instructions below.

(Fig. 63)

1. Cut on the push stroke approximately ⅓ through the

trunk.

2. Cut through the trunk on the pull stroke until the two

kerfs touch. (Fig. 64)

To cut a trunk that has support on two ends

WARNING: Make sure that the saw chain

does not get caught in the trunk during

cutting. Obey the instructions below.

(Fig. 65)

1. Cut on the pull stroke approximately ⅓ through the

trunk.

2. Cut through the remaining part of the trunk on the

push stroke to complete the cut. (Fig. 66)

WARNING:

Stop the engine if the saw chain

gets caught in the trunk. Use a lever to open

up the kerf and remove the product. Do not

try to pull the product out by hand. This can

result in injury when the product suddenly

breaks free.

To use the limbing technique

Note:

For thick branches, use the cutting technique.

Refer to

To use the cutting technique on page 17

WARNING: There is a high accident risk

when you use the limbing technique. Refer

Kickback information on page 15

for

instructions how to prevent kickback.

WARNING: Cut limbs one by one. Be careful

when you remove small limbs and do not cut

bushes or many small limbs at the same

time. Small limbs can get caught in the saw

1270 - 002 - 30.06.2020 17

chain and prevent safe operation of the

product.

Note: Cut the limbs piece by piece if it is necessary.(Fig.

67)

1. Remove the limbs on the right side of the trunk.

a) Keep the guide bar on the right side of the trunk

and keep the body of the product against the

trunk.

b) Select the applicable cutting technique for the

tension in the branch. (Fig. 68)

WARNING: If you are not sure about

how to cut the branch, speak to a

professional chainsaw operator

before you continue.

2. Remove the limbs on the top of the trunk.

a) Keep the product on the trunk and let the guide

bar move along the trunk.

b) Cut on the push stroke. (Fig. 69)

3. Remove the limbs on the left side of the trunk.

a) Select the applicable cutting technique for the

tension in the branch. (Fig. 70)

WARNING: If you are not sure about

how to cut the branch, speak to a

professional chainsaw operator

before you continue.

Refer to

To cut trees and branches that are in tension on

page 19

for instructions on how to cut branches that

are in tension.

To use the tree felling technique

WARNING:

You must have experience to

fell a tree. If possible, engage in a training

course in chainsaw operation. Speak to an

operator with experience for more

knowledge.

To keep a safe distance

1. Make sure that persons around you keep a safe

distance at a minimum of 2 1/2 tree lengths. (Fig. 71)

2. Make sure that no person is in the risk zone before

or during felling. (Fig. 72)

To calculate the felling direction

1. Examine in which direction it is necessary for the

tree to fall. The goal is to fell it in a position where

you can limb and cut the trunk easily. It is also

important that you are stable on your feet and can

move about safely.

WARNING:

If it is dangerous or not

possible to fell the tree in its natural

direction, fell the tree in a different

direction.

2. Examine the natural fall direction of the tree. For

example the tilt and bend of the tree, wind direction,

the location of the branches and weight of snow.

3. Examine if there are obstacles, for example other

trees, power lines, roads and/or buildings around.

4. Look for signs of damage and rot in the stem.

WARNING: Rot in the stem can mean a

risk that the tree falls before you

complete the cutting.

5. Make sure the tree has no damaged or dead

branches that can break off and hit you during

felling.

6. Do not let the tree fall onto a different standing tree.

It is dangerous to remove a caught tree and there is

a high accident risk. Refer to

To free a trapped tree

on page 19

. (Fig. 73)

WARNING: During critical felling

operations, lift your hearing protection

immediately when the sawing is

complete. It is important that you hear

sounds and warning signals.

To clear the trunk and prepare your path of

retreat

Cut off all branches from your shoulder height and

down.

1. Cut on the pull stroke from the top down. Make sure

that the tree is between you and the product. (Fig.

74)

2. Remove undergrowth from the work area around the

tree. Remove all cut off material from the work area.

3. Do a check of the area for obstacles such as stones,

branches and holes. You must have a clear path of

retreat when the tree starts to fall. Your path of

retreat must be approximately 135 degrees away

from the felling direction.

1. The danger zone

2. The path of retreat

3. The felling direction

(Fig. 75)

To fell a tree

Husqvarna recommends you to make the directional

cuts and then use the safe corner method when you fell

a tree. The safe corner method helps you to make a

correct felling hinge and control the felling direction.

1270 - 002 - 30.06.2020

WARNING: Do not fell trees with a diameter

that is more than two times larger than the

guide bar length. For this, you must have

special training.

The felling hinge

The most important procedure during tree felling is to

make the correct felling hinge. With a correct felling

hinge, you control the felling direction and make sure

that the felling procedure is safe.

The thickness of the felling hinge must be equal and a

minimum of 10% of the tree diameter.

WARNING: If the felling hinge is incorrect or

too thin, you have no control of the felling

direction.

(Fig. 76)

To make the directional cuts

1. Make the directional cuts ¼ of the diameter of the

tree. Make a 45°-70° angle between the top

directional cut and bottom directional cut. (Fig. 77)

a) Make the top directional cut. Align the felling

direction mark (1) of the product with the felling

direction of the tree (2). Stay behind the product

and keep the tree on your left side. Cut with a

pull stroke.

b) Make the bottom directional cut. Make sure that

the end of the bottom directional cut is at the

same point as the end of the top directional cut.

(Fig. 78)

2. Make sure that the bottom directional cut is

horizontal and at a 90° angle to the felling direction.

To use the safe corner method

The felling cut must be made slightly above the

directional cut.

(Fig. 79)

WARNING:

Be careful when you cut with the

guide bar tip. Start to cut with the lower

section of the guide bar tip as you make a

bore cut into the trunk.

(Fig. 80)

1. If the usable cutting length is longer than the tree

diameter, do these steps (a-d).

a) Make a bore cut straight into the trunk to

complete the felling hinge width. (Fig. 81)

b) Cut on the pull stroke until ⅓ of the trunk is left.

c) Pull the guide bar 5-10 cm/2-4 in rearward.

d) Cut through the remaining of the trunk to

complete a safe corner that is 5-10 cm/2-4 in

wide. (Fig. 82)

2. If the usable cutting length is shorter than the tree

diameter, do these steps (a-d).

a) Make a bore cut straight into the trunk. The bore

cut must extend 3/5 of the tree diameter.

b) Cut on the pull stroke through the remaining

trunk. (Fig. 83)

c) Cut straight into the trunk from the other side of

the tree to complete the felling hinge.

d) Cut on the push stroke, until ⅓ of the trunk is left,

to complete the safe corner. (Fig. 84)

3. Put a wedge in the kerf straight from behind. (Fig.

85)

4. Cut off the corner to make the tree fall.

Note: If the tree does not fall, hit the wedge until it

does.

5. When the tree starts to fall, use the path of retreat to

move away from the tree. Move a minimum of 5

m/15 ft away from the tree.

To free a trapped tree

WARNING: It is very dangerous to remove a

trapped tree and there is a high accident

risk. Keep out of the risk zone and do not try

to fell a trapped tree.

(Fig. 86)

The safest procedure is to use one of the following

winches:

• Tractor-mounted

(Fig. 87)

• Portable

(Fig. 88)

To cut trees and branches that are in tension

1. Figure out which side of the tree or branch that is in

tension.

2. Figure out where the point of maximum tension is.

(Fig. 89)

3. Examine which is the safest procedure to release the

tension.

Note:

In some situations the only safe procedure is

to use a winch and not your product.

4. Keep a position where the tree or branch can not hit

you when the tension is released. (Fig. 90)

5. Make one or more cuts of sufficient depth necessary

to decrease the tension. Cut at or near the point of

maximum tension. Make the tree or branch break at

the point of maximum tension. (Fig. 91)

WARNING:

Do not cut straight through a

tree or branch that is in tension.

1270 - 002 - 30.06.2020 19

WARNING: Be very careful when you

cut a tree that is in tension. There is a

risk that the tree moves quickly before or

after you cut it. Serious injury can occur

if you are in an incorrect position or if

you cut incorrectly.

6. If you must cut across tree/branch, make 2 to 3 cuts,

1 in. apart and with a depth of 2 in. (Fig. 92)

7. Continue to cut more into the tree until the tree/

branch bends and the tension is released. (Fig. 93)

8. Cut the tree/branch from the opposite side of the

bend, after the tension is released.

To use the product in cold weather

CAUTION: Snow and cold weather can

cause operation problems. Risk of too low

engine temperature or ice on the air filter

and the carburetor.

1. Clothe a part of the air intake on the starter. This

increases the engine temperature.

2. For temperatures below -5°C/23°F or in conditions

with snow, a winter cover is available. Assemble the

winter cover on the starter housing. The winter cover

decreases the flow of cool air and keeps snow away

from the carburetor space. (Fig. 94)

CAUTION: Remove the winter cover if

the temperature increases above -5°C/

23°F. Risk of too high engine

temperature and damage to the engine.

Maintenance

Introduction

WARNING: Read and understand the safety

chapter before you do maintenance on the

product.

Maintenance schedule

Daily maintenance Weekly maintenance Monthly maintenance

Clean the external parts of the prod-

uct and make sure that there is no oil

on the handles.

Clean the cooling system. Refer to

To clean the cooling system on page

Do a check of the brake band. Refer

To do a check of the brake band

on page 21

Do a check of the throttle trigger and

throttle trigger lockout. Refer to

To do

a check of the throttle trigger and

throttle trigger lockout on page 22

Do a check of the starter, starter rope

and return spring.

Do a check of the clutch centre,

clutch drum and clutch spring.

Make sure that there is no damage

on the vibration damping units.

Lubricate the needle bearing. Refer

To lubricate the needle bearing on

page 25

Clean the spark plug. Refer to

To do

a check of the spark plug on page

Clean and do a check of the chain

brake. Refer to

To do a check of the

chain brake on page 21To do a

check of the front hand guard and the

chain brake activation on page 21

Remove burrs from the edges of the

guide bar. Refer to

To do a check of

the guide bar on page 25

Clean the external parts of the carbu-

rettor.

Do a check of the chain catcher. Re-

fer to

To do a check of the chain

catcher on page 22

Clean or replace the spark arrestor

mesh on the muffler.

Do a check of the fuel filter and the

fuel hose. Replace if necessary.

Turn the guide bar, do a check of the

lubrication hole and clean the groove

in the guide bar. Refer to

To do a

check of the guide bar on page 25

Clean the carburetor area. Do a check of all cables and connec-

tions.

20 1270 - 002 - 30.06.2020

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Modèle: 967650801

Catégorie: Tronçonneuses électriques

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