Husqvarna 445e TrioBrake Operator's Manual
Husqvarna 445e TrioBrake Operator's Manual

Husqvarna 445e TrioBrake Operator's Manual

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Oper ator ' s manual
445e TrioBrake
Please r ead the operator's manual carefully and make sure you understand the instructions
before using the machine.
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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Table of Contents
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Summary of Contents for Husqvarna 445e TrioBrake

  • Page 1 Oper ator ′ s manual 445e TrioBrake Please r ead the operator’s manual carefully and make sure you understand the instructions before using the machine. 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...
  • Page 2: Key To Symbols

    KEY T O SYMBOLS Symbols on the mac hine: Symbols in the operator’ s manual: W ARNING! Chain saws can be dangerous! Careless or incorrect use can Switch off the engine bef ore result in serious or fatal injury to the carrying out any checks or operator or others.
  • Page 3: Table Of Contents

    CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ........2 Symbols in the operator’s manual: ....... 2 CONTENTS Contents ............... 3 INTR ODUCTION Dear Customer , ............ 4 WHA T IS WHAT? What is what on the chain sa w? ......5 GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw ......
  • Page 4: Intr Oduction

    The business concept is to develop, manufacture and market motor driven products for forestry and gardening as well as for building and construction industry. Husqvarna ′ s aim is also to be in the front edge according to ergonomics, usability, security and environmental protection.
  • Page 5: Wha T Is What

    WHA T IS WHA T? 25 24 23 22 What is what on the c hain 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 Knob Rear handle 22 Spike bumper...
  • Page 6: General Safety Preca Utions

    GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw W ARNING! 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- •...
  • Page 7: Always Use Common Sense

    GENERAL SAFETY PRECA UTIONS Al ways use common sense • Protective goggles or a visor • Gloves with saw protection It is not possib le 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: Chain Catcher

    GENERAL SAFETY PRECAUTIONS of the front hand guard, the chain brake can only be Throttle lockout activated by the inertia action. The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e. when you grasp the handle) it releases the throttle control (B).
  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Vibration damping system Muffler Your machine is equipped with a vibration damping The muffler is designed to keep noise levels to a minimum system that is designed to minimize vibration and make and to direct exhaust fumes away from the user. operation easier.
  • Page 11 To maintain the safety features of the cutting equipment, you should replace a worn or damaged bar or chain with a bar and chain combinations recommended by 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 • Chain oil hole and hole for chain tensioner. The bar When you sharpen a cutting tooth there are four important must be matched to the chain saw design. factors to remember. Filing angle Chain Cutting angle •...
  • Page 13: Tensioning The Chain

    GENERAL SAFETY PRECAUTIONS • Check that the chain is correctly tensioned. A slack acheive the correct depth gauge setting and bevel for chain will move sideways, making it more difficult to the depth gauge. sharpen correctly. • Always file cutting teeth from the inside face. Reduce •...
  • Page 14: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS • Turn the knob anti clockwise to loosen the bar cover. Lubricating cutting equipment WARNING! Poor lubrication of cutting equipment may cause the chain to snap, which could lead to serious, even fatal injuries. Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of •...
  • 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 wheel down (+). 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. Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle.
  • Page 18: Fuel Handling

    • If the machine is not used for some time the fuel tank HUSQVARNA recommends the use of alkylate fuel, either should be emptied and cleaned. Aspen two-stroke fuel or environmental fuel for four-stroke engines blended with two-stroke oil as set out below. Note...
  • Page 19: Fuelling

    FUEL HANDLING Fuelling • Move the machine at least 3 m from the refuelling point before starting it. WARNING! Taking the following precautions, will lessen the risk of fire: Min. 3 m (10 ft) Do not smoke and do not place any hot objects in the vicinity of fuel.
  • Page 20: Starting And Stopping

    STARTING AND STOPPING Starting and stopping WARNING! Note the following before starting: Grip the front handle with your left hand. Hold the chain saw on the ground by placing your right foot through the The chain brake must be engaged when rear handle.
  • Page 21: Starting And Stopping

    STARTING AND STOPPING CAUTION! Do not pull the starter cord all the way out and • Observe your surroundings and make sure that there do not let go of the starter handle when the cord is fully is no risk of people or animals coming into contact with extended.
  • Page 22: 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 23: General Rules

    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 24: Basic Cutting Technique

    WORKING TECHNIQUES the saw chain is jamming, the saw may be pushed Terms 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 25: 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 26 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 27 WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the The felling hinge controls the direction that the tree falls in. end of the top cut. All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional The directional cuts should run 1/4 of the diameter cuts and felling cut are badly placed.
  • Page 28: 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 29 WORKING TECHNIQUES was being used when the kickback zone of the bar touched the object. Kickback only occurs if the kickback zone of the bar touches an object. Limbing WARNING! A majority of kickback accidents occur during limbing. Do not use the kickback zone of the guide bar.
  • Page 30: Maintenance

    Carburettor adjustment demands 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 that you manufactured to specifications that reduce harmful take it to your service workshop.
  • Page 31 MAINTENANCE Checking the inertia brake release Never carry or hang the saw by the trigger! This could damage the mechanism and disable the chain brake. Place the chain saw, with the engine switched off, on a stump or other stable surface. Release the front handle and let the saw fall by its own weight, rotating around the rear handle towards the stump.
  • Page 32: Stop Switch

    MAINTENANCE Throttle lockout Right hand guard Check that the right hand guard is not damaged and that • Make sure the throttle control is locked at the idle there are no visible defects, such as cracks. setting when the throttle lockout is released. •...
  • Page 33: Muffler

    MAINTENANCE Muffler Starter WARNING! When the recoil spring is wound up in the starter housing it is under tension and can, if handled Never use a machine that has a faulty muffler. carelessly, pop out and cause personal injury. Care must be exercised when replacing the return spring or the starter cord.
  • Page 34: Tensioning The Recoil Spring

    MAINTENANCE through the hole in the starter housing and the starter Replacing the return and drive springs handle. Tie a good knot on the starter cord. Recoil spring (A) • Lift up the starter pulley. See instructions under the heading Changing a broken or worn starter cord. Remember that the recoil spring is coiled under tension in the starter housing.
  • Page 35: Air Filter

    A damaged air filter Lubricating the bar tip sprocket must always be replaced. A HUSQVARNA chain saw can be equipped with different types of air filter according to working conditions, weather, season, etc. Contact your dealer for advice.
  • Page 36: Needle Bearing Lubrication

    MAINTENANCE Needle bearing lubrication ”Air Injection” centrifugal cleaning Centrifugal cleaning means the following: All air to the carburettor passes through the starter. Dirt and dust is centrifuged out by the cooling fan. The clutch drum has a needle bearing on the output shaft. This needle bearing must be lubricated regularly.
  • Page 37: 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 38: Technical Data

    TECHNICAL DATA Technical data 445e TrioBrake Engine Cylinder displacement, cm 45,7 Cylinder bore, mm Stroke, mm Idle speed, rpm 2700 Power, kW/ rpm, Europe 2,1/9000 Power, kW/ rpm, Australia 2,1/9000 Ignition system Manufacturer of ignition system Walbro Type of ignition system...
  • Page 39: Bar And Chain Combinations

    The following combinations are CE approved. Chain Length, inch Pitch, inch Gauge, mm Max. nose radius Type Length, drive links (no.) 0,325 0,325 0,325 Husqvarna H30 0,325 0,325 0,325 0,325 0,325 Husqvarna H25 0,325 0,325 Saw chain filing and file gauges English – 39...
  • Page 40: Ec-Declaration Of Conformity

    Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel +46-36-146500, declares under sole responsibility that the chain saw Husqvarna 445e TrioBrake from 2008’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), is in conformity with the requirements of the COUNCIL’S DIRECTIVES: - of June 22, 1998 ”relating to machinery”...
  • Page 42 ´®z+S2,¶6.¨ ´®z+S2,¶6.¨...
  • Page 44 1151181-26 ´®z+S2,¶6.¨ ´®z+S2,¶6.¨ 2008-06-03...

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