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Husqvarna 450 e-series Operator's Manual
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Husqvarna 450 e-series Operator's Manual

Husqvarna 450 e-series Operator's Manual

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Please read the operator's manual carefully and make sure you understand the instructions before using the machine.
Lea detenidamente el manual de instrucciones y asegúrese de entender su contenido antes de utilizar la máquina.
1151081-49 Rev.2 2008-02-27
445
EPA II
450e
Lire attentivement et bien assimiler le manuel d'utilisation avant d'utiliser la machine.
Operator's manual
445e
450
EPA II
EPA II
EPA II
E E E E n n n n g g g g l l l l i i i i s s s s h h h h

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Summary of Contents for Husqvarna 450 e-series

  • Page 1 Operator’s manual 445e EPA II EPA II 450e EPA II EPA II E E E E n n n n g g g g l l l l i i i i s s s s h h h h Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.

  • Page 2: Key To Symbols

    KEY TO SYMBOLS Symbols on the machine: WARNING! Chain saws can be Visual check. dangerous! Careless or improper use can result in serious or fatal injury to the operator or others. Please read the operator’s manual carefully and make sure you Protective goggles or a visor must be understand the instructions before worn.

  • Page 3: Table Of Contents

    CONTENTS Contents FEDERAL EMISSION CONTROL WARRANTY STATEMENT KEY TO SYMBOLS YOUR WARRANTY RIGHTS AND OBLIGATIONS 41 Symbols on the machine: AMERICAN STANDARD SAFETY Symbols in the operator’s manual: PRECAUTIONS CONTENTS Safety precautions for chain saw users Contents INTRODUCTION Dear customer! WHAT IS WHAT? What is what on the chain saw? GENERAL SAFETY PRECAUTIONS...

  • Page 4: Introduction

    Dear customer! Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River, for production of muskets.

  • Page 5: What Is What

    WHAT IS WHAT? What is what on the chain saw? Cylinder cover 17 Muffler Decompression valve 18 Chain Air purge 19 Bar tip sprocket Start reminder 20 Bar Combined start and stop switch 21 Bumper spike Rear handle 22 Chain catcher Information and warning decal 23 Chain tensioning screw Fuel tank...

  • Page 6: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Before using a new chain saw WARNING! Never allow children to use or be in the vicinity of the machine. As the • Please read this manual carefully. machine is equipped with a spring- • Check that the cutting equipment is correctly fitted and loaded stop switch and can be started by adjusted.

  • Page 7: Always Use Common Sense

    GENERAL SAFETY PRECAUTIONS Always use common sense • Protective goggles or a visor • Gloves with saw protection It is not possible to cover every conceivable situation you • Trousers with saw protection can face when using a chain saw. Always exercise care and •...
  • Page 8 GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually • To release the chain brake pull the front hand guard (by your left hand) or automatically by the inertia backwards, towards the front handle. release mechanism. •...
  • Page 9 GENERAL SAFETY PRECAUTIONS • In the felling position the left hand is in a position that Throttle lockout makes manual activation of the chain brake The throttle lockout is designed to prevent accidental impossible. With this type of grip, that is when the left operation of the throttle control.

  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS The machine ′ s vibration damping system reduces the requiring among other things the muffler must be transfer of vibration between the engine unit/cutting equipped with an approved type of spark arrestor screen. equipment and the machine ′ s handle unit. The body of the chain saw, including the cutting equipment, is insulated from the handles by vibration damping units.
  • Page 11 Husqvarna. See instructions under the heading Technical Data for a list of replacement bar and chain combinations we recommend.

  • Page 12: Sharpening Your Chain And Adjusting Depth Gauge Setting

    GENERAL SAFETY PRECAUTIONS • Drive link width (mm/inches) File position Round file diameter • Number of drive links. It is very difficult to sharpen a chain correctly without the right equipment. We recommend that you use our file gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain.
  • Page 13 GENERAL SAFETY PRECAUTIONS Tensioning the chain • File all the teeth to the same length. When the length of the cutting teeth is reduced to 0.16 inch (4 mm) the chain is worn out and should be replaced. WARNING! A slack chain may jump off the bar and cause serious or even fatal injury.
  • Page 14 GENERAL SAFETY PRECAUTIONS 445e, 450e • Fold the knob back in to lock the tensioning. • Release the knob by folding it out. Lubricating cutting equipment WARNING! Poor lubrication of cutting equipment may cause the chain to snap, which could lead to serious, even fatal •...
  • Page 15 GENERAL SAFETY PRECAUTIONS Checking chain lubrication Chain drive sprocket • Check the chain lubrication each time you refuel. See instructions under the heading Lubricating the bar tip sprocket. Aim the tip of the bar at a light coloured surface about The clutch drum is fitted with one of the following drive 20 cm (8 inches) away.
  • Page 16 GENERAL SAFETY PRECAUTIONS • To prolong the life of the bar you should turn it over regularly. Check regularly: • Whether there are burrs on the edges of the bar. WARNING! Most chain saw accidents Remove these with a file if necessary. happen when the chain touches the operator.

  • Page 17: Assembly

    ASSEMBLY Fitting the bar and chain Tension the chain by turning the chain tensioning screw clockwise using the combination spanner. The chain should be tensioned until it does not sag from the underside of the bar. WARNING! Always wear gloves, when working with the chain.
  • Page 18 ASSEMBLY Fit the bar over the bar bolts. Place the bar in its rearmost position. Place the chain over the drive sprocket locate it in the groove on the bar. Begin on the top edge of the bar. Make sure that the edges of the cutting links are facing forward on the top edge of the bar.

  • Page 19: Fuel Handling

    Environment fuel • Do not mix more than one month’s supply of fuel at a HUSQVARNA recommends the use of alkylate fuel or time. environmental fuel for four-stroke engines blended with • If the machine is not used for some time the fuel tank two-stroke oil as set out below.

  • Page 20: Fueling

    FUEL HANDLING Fueling Fuel safety • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (gasoline and 2-stroke oil). • Move the machine at least 10 ft (3 m) from the refuelling point before starting it.

  • Page 21: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Push down the red choke control (5) as soon as the engine fires which can be heard through a "puff" sound. Keep on pulling the cord powerfully until the engine starts. WARNING! Note the following before starting: Warm engine When the chain saw is heated restart the saw only by...
  • Page 22 STARTING AND STOPPING Note! Pull the front hand guard towards the front • Always hold the saw with both hands. The right hand handle. The chain brake is now disengaged. Your saw should be on the rear handle, and the left hand on the is ready for use.

  • Page 23: Working Techniques

    WORKING TECHNIQUES Before use: Basic safety rules Look around you: • To ensure that people, animals or other things cannot affect your control of the machine. • To make sure that none of the above might come within reach of your saw or be injured by falling trees. Check that the chain brake works correctly and is not damaged.
  • Page 24 WORKING TECHNIQUES Have control over the workpiece. If the pieces you intend to cut are small and light, they can jam in the saw chain and be thrown towards you. Even if this does not need to be a danger, you may be surprised Before moving your chain saw switch off the engine and lose control of the saw.

  • Page 25: Basic Cutting Technique

    WORKING TECHNIQUES user. If the saw chain is jamming, the saw may be Terms pushed back at you. Cutting = General term for cutting through wood. Limbing = Cutting branches off a felled tree. Splitting = When the object you are cutting breaks off before the cut is complete.

  • Page 26: Tree Felling Technique

    WORKING TECHNIQUES Limbing Turn the log and finish the cut from the opposite side. When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. The log is supported at one end. There is a high risk that it will split.
  • Page 27 WORKING TECHNIQUES Felling direction Clearing the trunk and preparing your retreat The aim is to fell the tree in a position where you can limb Delimb the stem up to shoulder height. It is safer to work and cross-cut the log as easily as possible. You want it to from the top down and to have the tree between you and fall in a location where you can stand and move about the saw.
  • Page 28 WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the All control over the felling direction is lost if the felling end of the top cut. hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed.

  • Page 29: How To Avoid Kickback

    WORKING TECHNIQUES Freeing a tree that has fallen badly necessary to reduce the tension and make the tree or branch break at the point of maximum tension. Freeing a ”trapped tree” It is very dangerous to remove a trapped tree and there is high accident risk.
  • Page 30 WORKING TECHNIQUES was being used when the kickback zone of the bar Cutting the trunk into logs touched the object. See instructions under the heading Basic cutting technique. Kickback only occurs if the kickback zone of the bar touches an object. Limbing WARNING! A majority of kickback accidents occur during limbing.

  • Page 31: Maintenance

    Carburetor adjustment requires special training. This is especially true of the machine′s safety equipment. If your machine fails any of Your Husqvarna product has been designed and the checks described below we recommend you to manufactured to specifications that reduce harmful contact our servicing dealer.
  • Page 32 MAINTENANCE Checking the inertia brake release go of the front handle. The chain should stop immediately. With the engine turned off, hold the chain saw over a stump or other firm object. Let go of the front handle so that the bar drops towards the stump as the chain saw Throttle lockout rotates around the rear handle.

  • Page 33: Muffler

    MAINTENANCE Right hand guard Muffler Check that the right hand guard is not damaged and that Never use a machine that has a faulty muffler. there are no visible defects, such as cracks. Regularly check that the muffler is securely attached to Vibration damping system the machine.

  • Page 34: Starter

    MAINTENANCE Starter through the hole in the starter housing and the starter handle. Tie a good knot on the starter cord. WARNING! When the recoil spring is wound up in the starter housing it is under tension and can, if handled carelessly, pop out and cause personal injury.

  • Page 35: Air Filter

    A damaged air filter must always be replaced. Fitting the starter A HUSQVARNA chain saw can be equipped with different • To fit the starter, first pull out the starter cord and place types of air filters according to working conditions,...

  • Page 36: Spark Plug

    MAINTENANCE Spark plug Needle bearing lubrication The clutch drum has a needle bearing on the output shaft. The spark plug condition is influenced by: This needle bearing must be lubricated regularly. • Incorrect carburetor adjustment. When lubricating, remove the clutch cover by loosening •...

  • Page 37: Air Injection" Centrifugal Cleaning

    MAINTENANCE Temperature -5° ° ° ° C (23° ° ° ° F) or colder: ”Air Injection” centrifugal cleaning Centrifugal cleaning means the following: All air to the carburetor passes through the starter. Dirt and dust is pushed out by the cooling fan. For running the machine in cold weather or powder snow, a special cover is available, which is mounted on the starter housing.

  • Page 38: Maintenance Schedule

    MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekly maintenance Monthly maintenance Check the brake band on the chain On chain saws without a catalytic brake for wear.

  • Page 39: Technical Data

    TECHNICAL DATA Technical data 445e 450e Engine Cylinder displacement, cu.in/cm 2,79/45,7 2,79/45,7 3,06/50,2 3,06/50,2 Cylinder bore, inch/mm 1,65/42 1,65/42 1,73/44 1,73/44 Stroke, inch/mm 1,30/33 1,30/33 1,30/33 1,30/33 Idle speed, rpm 2700 2700 2700 2700 Power, kW/hp @ rpm 2,1 / 2,8 @ 9000 2,1 / 2,8 @ 9000 2,4/3,2 @ 9000 2,4/3,2 @ 9000...

  • Page 40: Bar And Chain Combinations

    Chain saw models Husqvarna 445, 445e, 450e and 450 met the kickback performance requirements of ANSI B 175.1-2000 when tested with the combinations of bars and saw chains listed below. The saw chain Husqvarna H30 is also classified as a low kickback saw chain since it met the requirements for low kickback saw chain outlined in ANSI B 175.1-2000.

  • Page 41: Federal Emission Control Warranty Statement Your Warranty Rights And Obligations

    FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND charge to the owner at an approved Husqvarna Forest & Garden servicing dealer. If you have any questions OBLIGATIONS regarding your warranty rights and responsibilities, you should contact your nearest authorized servicing dealer The EPA (The US Environmental Protection Agency), or call Husqvarna Forest &...

  • Page 42: American Standard Safety Precautions

    AMERICAN STANDARD SAFETY PRECAUTIONS Safety precautions for chain saw Other safety precautions users WARNING! Do not operate a chain saw with one hand! Serious injury to the (ANSI B 175.1-2000 Annex C) operator, helpers, bystanders or any Kickback safety precautions combination of these persons may result from one-handed operation.
  • Page 43 PRECAUCIONES DE SEGURIDAD DE LA NORMA AMERICANA 128 – English 1151081-49 Rev.2 2008-02-27...
  • Page 45 1151081-49 Rev.2 2008-02-27...
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  • Page 47 1151081-49 Rev.2 2008-02-27...
  • Page 48 1151081-49 ´®z+S(3¶5ߨ ´®z+S(3¶5ߨ 2008-02-28 1151081-49 Rev.2 2008-02-27...

This manual is also suitable for:

445 epa ii450 epa ii450e epa ii

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