Husqvarna 450 II Manuel utilisateur

445 II, 445e II, 450 II, 450e II

EN Operator's manual 19-41

ES Manual de usuario 42-66

FR Manuel d'utilisation 67-92

PT Manual do utilizador 93-117

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Contents

Introduction................................................................... 19

Safety............................................................................20

Assembly...................................................................... 23

Operation...................................................................... 24

Maintenance................................................................. 30

Troubleshooting............................................................ 36

Transportation and storage...........................................37

Technical data.............................................................. 37

Accessories.................................................................. 39

EC Declaration of Conformity....................................... 41

Introduction

Product description

The Husqvarna 445 II, 445e II, 450 II, 450e 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. 2) Stop.

(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) This product complies with applicable EC

Directives.

(Fig. 7) Noise emissions to the environment

according to European Directive 2000/14/EC

and New South Wales legislation “Protection

of the Environment Operations (Noise

Control) Regulation 2017”. Noise emission

data can be found on the machine label and

in the Technical data chapter.

(Fig. 8) Choke.

(Fig. 9) Idle adjustment screw.

(Fig. 10) High speed needle.

(Fig. 11) Low speed needle.

(Fig. 12) Fuel.

(Fig. 13) Chain oil.

(Fig. 14) Air purge bulb.

1286 - 002 - 03.06.2020 19

(Fig. 15) Adjustment of the oil pump.

(Fig. 16) Chain brake, engaged (right). Chain brake,

disengaged (left).

yyyywwxxx

x

The rating plate shows serial number. yyyy

is the production year and ww is the produc-

tion week.

Note: Other symbols/decals on the product refer to

certification requirements for some markets.

Euro V Emissions

WARNING: Tampering with the engine voids

the EU type-approval of this product.

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.

• The inside of the muffler contain 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 product you must understand the

effects of kickback and how to avoid them. Refer to

Kickback information on page 25

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.

• 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 judgement.

• 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 23

for instructions. Without a bar

and saw chain attached to the product the clutch can

come loose and cause serious injury.

(Fig. 17)

• 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!

20

1286 - 002 - 03.06.2020

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