Husqvarna 440 Operation Manual

Husqvarna 440 Operation Manual

Operation manual
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Oper ator ' s manual
435 435e 440e
Please r ead the operator's manual carefully and make sure you understand the instructions
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
before using the machine.
115 10 82-26 Re v .2 2008-06-03


Table of Contents

Summary of Contents for Husqvarna 440

  • Page 1 Oper ator ′ s manual 435 435e 440e Please r ead the operator’s manual carefully and make sure you understand the instructions 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 before using the machine.
  • 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? What is what on the c hain saw? Cylinder cover 16 Muffler Air purge 17 Chain Start reminder 18 Bar tip sprocket Combined start and stop switch 19 Bar Rear handle 20 Spike bumper Information and warning decal 21 Chain catcher Fuel tank 22 Chain tensioner wheel...
  • 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 • Please read this manual carefully. the machine is equipped with a spring- •...
  • Page 7: Always Use Common Sense

    GENERAL SAFETY PRECA UTIONS Al ways use common sense • Approved protective helmet • Hearing protection It is not possib le to cover every conceivable situation you • Protective goggles or a visor can face when using a chain saw. Always exercise care and use your common sense.
  • Page 8 GENERAL SAFETY PRECAUTIONS Take care when using your saw and make sure the activated for long periods. The chain saw can become kickback zone of the bar never touches any object. very hot. • The chain brake (A) can either be activated manually (by your left hand) or automatically by the inertia release mechanism.
  • Page 9 GENERAL SAFETY PRECAUTIONS If the kickback is less violent or the kickback zone of Will my chain brake always protect me the bar is closer to you the chain brake will be from injury in the event of a kickback? activated manually by the movement of your left hand.
  • Page 10 GENERAL SAFETY PRECAUTIONS Right hand guard Stop switch Apart from protecting your hand if the chain jumps or Use the stop switch to switch off the engine. snaps, the right hand guard stops branches and twigs from interfering with your grip on the rear handle. Muffler Vibration damping system The muffler is designed to keep noise levels to a minimum...
  • Page 11: Cutting Equipment

    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 • Number of drive links. The number of drive links is • A sharp chain eats its way through the wood and determined by the length of the bar, the chain pitch produces long, thick chips or shavings. and the number of teeth on the bar tip sprocket.
  • Page 13 GENERAL SAFETY PRECAUTIONS WARNING! Departure from the WARNING! The risk of kickback is sharpening instructions considerably increased if the depth gauge setting is increases the risk of kickback. too large! Sharpening cutting teeth Adjustment of depth gauge setting To sharpen cutting teeth you will need a round file and a •...
  • Page 14 GENERAL SAFETY PRECAUTIONS Tension the chain as tightly as possible, but not so tight 435e, 440e that you cannot pull it round freely by hand. • Release the knob by folding it out. • Loosen the bar nut that holds the clutch cover and chain brake.
  • Page 15: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS • Fold the knob back in to lock the tensioning. Checking chain lubrication • 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 20 cm (8 inches) away.
  • Page 16 GENERAL SAFETY PRECAUTIONS Chain drive sprocket The clutch drum is fitted with one of the following drive Check regularly: sprockets: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. A Spur sprocket (the chain sprocket is welded on the drum) B Rim sprocket (replaceable) •...
  • Page 17: Assembly

    ASSEMBLY Fitting the bar and chain The chain is correctly tensioned when there is no slack on the underside of the bar, and it can still be turned easily by hand. Tighten the bar nut with the combination spanner while holding up the tip of the bar. WARNING! Always wear gloves, when working with the chain.
  • Page 18: Fitting Spike Bumper

    ASSEMBLY Mount the clutch cover and remember to fit the chain adjuster pin in the hole in the bar. Check that the drive links of the chain fit correctly over the drive sprocket and that the chain is correctly located in the groove in the bar. Tension the chain by turning the wheel down (+).
  • Page 19: Fuel Handling Fuel

    • Mix (shake) the fuel mixture thoroughly before filling the machine’s fuel tank. HUSQVARNA recommends the use of alkylate fuel, either Aspen two-stroke fuel or environmental fuel for • Do not mix more than one month’s supply of fuel at a four-stroke engines blended with two-stroke oil as set out time.
  • Page 20: Fuelling

    FUEL HANDLING Fuelling Fuel safety • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (petrol and 2-stroke oil). • Move the machine at least 3 m from the refuelling point before starting it.
  • Page 21: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Warm engine When the chain saw is heated restart the saw only by pulling the cord powerfully until the engine starts (5). WARNING! Note the following before starting: Never twist the starter cord around your hand. The chain brake must be engaged when the chain saw is started to reduce the chance of contact with the moving chain...
  • Page 22: Starting And Stopping

    STARTING AND STOPPING • Never start a chain saw unless the bar, chain and all Stopping covers are fitted correctly. See instructions under the heading Assembly. Without a bar and chain attached to the chain saw the clutch can come loose and cause serious injury.
  • 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 the saw chain is jamming, the saw may be pushed Cutting on the push stroke increases the risk of kickback. back at you. See instructions under the heading How to avoid kickback. Terms Cutting = General term for cutting through wood. Limbing = Cutting branches off a felled tree.
  • Page 26: Tree Felling Technique

    WORKING TECHNIQUES The following instructions describe how to handle the Turn the log and finish the cut from the opposite side. commonest situations you are likely to encounter when using a chain saw. Limbing When limbing thick branches you should use the same approach as for cutting.
  • 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 trunk diameter. The uncut section of the trunk is called the end of the top cut. felling hinge. The felling hinge controls the direction that the tree falls in. All control over the felling direction is lost if the felling The directional cuts should run 1/4 of the diameter hinge is too narrow or non-existent, or if the directional...
  • Page 29: Freeing A Tree That Has Fallen Badly

    WORKING TECHNIQUES Freeing a tree that has fallen badly General advice: Position yourself so that you will be clear of the tree or Freeing a ”trapped tree” branch when the tension is released. It is very dangerous to remove a trapped tree and there is high accident risk.
  • Page 30: How To Avoid Kickback

    WORKING TECHNIQUES How to avoid kickback Limbing WARNING! A majority of kickback WARNING! Kickback can happen very accidents occur during limbing. Do not suddenly and violently; kicking the use the kickback zone of the guide bar. chain saw, bar and chain back at the Be extremely cautious and avoid user.
  • Page 31: Maintenance

    Carburettor adjustment demands special training. This is especially true of the machine’s safety equipment. If your machine fails any Your Husqvarna product has been designed and of the checks described below we recommend that you manufactured to specifications that reduce harmful take it to your service workshop.
  • Page 32 MAINTENANCE Checking the inertia brake release Throttle lockout Place the chain saw, with the engine switched off, on a • Make sure the throttle control is locked at the idle stump or other stable surface. Release the front handle setting when the throttle lockout is released. and let the saw fall by its own weight, rotating around the rear handle towards the stump.
  • 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: Replacing Return/Drive Springs

    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 filter according to working conditions, weather,...
  • 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 carburettor adjustment. When lubricating, remove the clutch cover by loosening •...
  • Page 37: Air Injection" Centrifugal Cleaning

    MAINTENANCE ”Air Injection” centrifugal CAUTION! If the special winterising kit has been fitted or any measures have been taken to increase the cleaning temperature these changes must be reversed before the machine is used in normal temperature conditions. Centrifugal cleaning means the following: All air to the Otherwise there is a risk of overheating, resulting in carburettor passes through the starter.
  • 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

    NGK BPMR 7A/ NGK BPMR 7A/ NGK BPMR 7A/ Spark plug Champion RCJ 7Y/ Champion RCJ 7Y/ Champion RCJ 7Y/ Husqvarna PR 17Y Husqvarna PR 17Y Husqvarna PR 17Y Electrode gap, mm Fuel and lubrication system Manufacturer of carburettor Zama...
  • Page 40: 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 Husqvarna H30 0,325 0,325 Saw chain filing and file gauges 40 – English 115 10 82-26 Rev.2 2008-06-03...
  • Page 41: Ec-Declaration Of Conformity

    Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares under sole responsibility that the chain saws Husqvarna 435, 435e and 440e from 2008’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), are in conformity with the requirements of the COUNCIL’S DIRECTIVES: - of June 22, 1998 ”relating to machinery”...
  • Page 42 ´®z+S(6¶68¨ ´®z+S(6¶68¨ 115 10 82-26 Rev.2 2008-06-03...
  • Page 44 1151082-26 ´®z+S(6¶68¨ ´®z+S(6¶68¨ 2008-06-03 115 10 82-26 Rev.2 2008-06-03...

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