Home

Husqvarna 340 Chainsaw User Manual

1. e eee 6 DUONG saad niaren E EEEE 6 Always use COMMON SENSE eee eee 7 Personal protective equipment wt Machine s safety equipment eee 7 Cutting Squipment siseseid seini 10 ASSEMBLY Fitting the bar and chain i cccccccsiisnesisessnanccecerees 17 FUEL HANDLING UCI S teat A re Gate Accent et estes 19 FUCUIIG sisa sei aeaends 20 Fuelsafoty eeccccayscennincdicenssimnesinceeaamaponnass 20 STARTING AND STOPPING Starting and Stopping seseris 21 WORKING TECHNIQUES Before USC mae dies cueee eee ance 23 General working instructions 0 0 00 cece 23 How to avoid kickback eee eee eect 29 MAINTENANCE G neral senare a arenae Carburettor adjustment Checking maintaining and servicing chain saw satoty OQUIDIMGME corsier 31 Mufflers ieee EE E ESE ade 33 ETO E I E E E E E A 34 ANTE E E E T TAE 35 Spat PUG re stamina 35 Needle bearing lubrication ceeeeeeeeeteeeteeee 35 Adjustment of the oil pump ee 36 Cooling system 36 Air Injection centrifugal cleaning 0 36 WINTER USE 1c scisec cues beeereeetasteesedcestbe depasteenes e 36 Maintenance schedule c eceeeeee 38 TECHNICAL DATA Technical data a 39 Guide bar and saw chain combinations 41 Saw chain filing and file gauges 0 00 41 EC declaration of conformity 0 0 0 cece 42 English 3 INTRODUCTION Dear Customer Congratulations on your choice to buy a Husqvarna
2. 13 GENERAL SAFETY PRECAUTIONS 455 Rancher Il 460 Rancher Il 465 Rancher Il Undo the bar nuts that hold the clutch cover chain brake Use the combination spanner Then tighten the bar nuts by hand as tight as you can pa e Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw using the combination spanner Tighten the chain until it does not sag from the underside of the bar g Use the combination spanner to tighten the bar nuts while lifting the tip of the bar at the same time Check that you can pull the chain round freely by hand and that it does not sag from the underside of the bar Kgs 2s The position of the chain tensioning screw on our chain saws varies from model to model See instructions under the heading What is what to find out where it is on your model 455e Rancher Il 455e Rancher II TrioBrake e Release the knob by folding it out 14 English e Turn the knob anti clockwise to loosen the bar cover e Adjust the tension on the chain by turning the wheel down for tighter tension and up to loosen the tension 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 whether it is warm summer o
3. Clean or replace the spark arrestor mesh on the muffler Empty the fuel tank and clean the inside Sharpen the chain and check its tension and condition Check the drive sprocket for excessive wear and replace if necessary Clean the starter units air intake Clean the carburettor compartment Clean the air filter Replace if necessary Empty the oil tank and clean the inside Check all cables and connections Check that nuts and screws are tight Check that the stop switch works correctly Check that there are no fuel leaks from the engine tank or fuel lines Check that the chain does not rotate when the engine is idling 38 English Technical data Engine Cylinder displacement cm3 Cylinder bore mm Stroke mm Idle speed rpm Power kW rpm Ignition system Spark plug Electrode gap mm Fuel and lubrication system Fuel tank capacity litre Oil pump capacity at 9 000 rpm ml min Oil tank capacity litre Type of oil pump Weight Chain saw without bar or chain empty tanks kg Noise emissions see note 1 Sound power level measured dB A Sound power level guaranteed Lwa dB A Sound levels see note 2 Equivalent sound pressure level at the operator s ear dB A TECHNICAL DATA 455 Rancher Il 55 5 47 32 2700 2 6 9000 NGK BPMR 7A 0 5 0 44 6 17 0 32 Adjustable 5 9 112 114 Equivalent vibration levels a hyeq see
4. WORKING TECHNIQUES Freeing a tree that has fallen badly Freeing a trapped tree It is very dangerous to remove a trapped tree and there is high accident risk Never try to fell the tree that is trapped Never work in the risk zone of the hanging trapped tree The safest method is to use a winch e Tractor mounted Portable Cutting trees and branches that are in tension Preparations Work out which side is in tension and where the point of maximum tension is i e where it would break if it was bent even more Decide which is the safest way to release the tension and whether you are able to do it safely In complicated situations the only safe method is to put aside your chain saw and use a winch General advice Position yourself so that you will be clear of the tree or branch when the tension is released Make one or more cuts at or near the point of maximum tension Make as many cuts of sufficient depth as necessary to reduce the tension and make the tree or branch break at the point of maximum tension art SS Reali io eo Bass Never cut straight through a tree or branch that is in tension If you must cut across tree limb make two to three cuts one inch apart one to two inches deep Continue to cut deeper until tree limb bends and tension is released Cut tree limb from outside the bend after tension has been released How to avoid kickback WARNING K
5. Air purge 2 English gt mE 3 Q w Se amp Ea a PD ge i Chain brake activated right Chain brake not activated left VO Other symbols decals on the machine refer to special certification requirements for certain markets Symbols in the operator s manual Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance CAUTION The start stop switch automatically returns to run position In order to prevent unintentional starting the spark plug cap must be removed from the spark plug when assembling checking and or performing maintenance Always wear approved protective gloves Regular cleaning is required Visual check Oi Protective goggles or a visor must be worn Refuelling f Filling with oil and adjusting oil flow The chain brake must be engaged when the chain saw is started WARNING Kickback may occur when the nose or tip of the guide bar touches an object and cause a lightning fast reverse reaction kicking the guide bar up and towards the operator May cause serious personal injury CONTENTS Contents KEY TO SYMBOLS Symbols on the Machine n se 2 Symbols in the operator s manual 2 CONTENTS CONTEM S dir aeeai 3 INTRODUCTION Dear CustOMmen reee S EE 4 WHAT IS WHAT What is what on the chain Saw ssec 5 GENERAL SAFETY PRECAUTIONS Before using a new chain Saw
6. GENERAL SAFETY PRECAUTIONS Bar groove width inches mm The groove in the bar must match the width of the chain drive links e Chain oil hole and hole for chain tensioner The bar must be matched to the chain saw design Lary Saw chain j e Chain pitch inches Drive link width mm inches Number of drive links Sharpening your chain and adjusting depth gauge setting General information on sharpening cutting teeth Never use a blunt chain When the chain is blunt you have to exert more pressure to force the bar through the wood and the chips will be very small If the chain is very blunt it will produce wood powder and no chips or shavings Asharp chain eats its way through the wood and produces long thick chips or shavings The cutting part of the chain is called the cutter and consists of a cutting tooth A and the depth gauge B The cutters cutting depth is determined by the 12 English difference in height between the two depth gauge setting A fod When you sharpen a cutting tooth there are four important factors to remember 1 Filing angle f 2 Cutting angle 3 File position 4 Round file diameter a 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
7. Rancher II TrioBrake TECHNICAL DATA Guide bar and saw chain combinations The following cutting attachments are approved for the models Husqvarna 455 Rancher II 455e Rancher II and 455e Guide bar Saw chain s j F Length drive links Length inch Pitch inch Gauge mm Max nose radius Type no 15 64 16 10T 66 0 325 1 5 Husqvarna H25 18 72 20 12T 80 15 56 16 60 3 8 1 5 11T Husqvarna H42 18 68 20 72 Length inch Pitch inch Guide bar Gauge mm Max nose radius Type Saw chain The following cutting attachments are approved for the models Husqvarna 460 Rancher II and 465 Rancher II Length drive links no 15 Husqvarna H42 56 AD inch mm inch mm H25 3 16 4 8 80 30 10 0 025 0 65 5056981 00 5056981 09 H42 7 35 5 5 55 25 10 0 025 0 65 5056981 01 5052435 01 English 41 TECHNICAL DATA EC declaration of conformity Applies to Europe only Husqvarna AB SE 561 82 Huskvarna Sweden tel 46 36 146500 declares under sole responsibility that the chain saws for forest service Husqvarna 455 Rancher II 455e Rancher II 455e Rancher II TrioBrake 460 Rancher Il and 465 Rancher Il from 2012 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 t
8. 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 us if you have any questions about the use of the chain saw We will willingly be of service and provide you with advice as well as help you to use your chain saw both efficiently and safely Attend a training course in chain saw usage if possible Your dealer forestry school or your library can provide information about which training materials and courses are available Work is constantly in progress to improve the design and technology improvements that increase your safety and efficiency Visit your dealer regularly to see whether you can benefit from new features that have been introduced Personal protective equipment WARNING Most chain saw accidents happen when the chain touches the operator You must use approved personal protective equipment whenever you use the machine Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen Ask your dealer for help in choosing the right equipment Always wear Approved protective helmet Hearing protection Protective goggles or a visor e Gloves with saw protection e Trousers with saw protection Boots with saw protection steel toe cap and
9. If it is possible can you turn the log stop cutting about 2 3 of the way through the log 26 English Turn the log and finish the cut from the opposite side The log is supported at one end There is a high risk that it will split Start by cutting from below about 1 3 of the way through Finish by cutting from above so that the two cuts meet The log is supported at both ends There is a high risk that the chain will jam PRA Start by cutting from above about 1 3 of the way through Finish by cutting from below so that the two cuts meet Tree felling technique IMPORTANT It takes a lot of experience to fell a tree Inexperienced users of chain saws should not fell trees Do not attempt any task that you feel unsure of Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 2 1 2 tree lengths Make sure that no one else is in this risk zone before or during felling WORKING TECHNIQUES Felling direction The aim is to fell the tree in a position where you can limb and cross cut the log as easily as possible You want it to fall in a location where you can stand and move about safely Once you have decided which way you want the tree to fall you must judge which way the tree would fall naturally Several factors affect this Lean of the tree Bend e Wind direction Arrangement of branches Weight of snow Ob
10. Right hand guard Throttle trigger Clutch cover 455e Rancher Il 455e Rancher II TrioBrake Chain tensioner wheel Knob Clutch cover 455 Rancher I Chain tensioning screw Operator s manual Combination spanner Guide bar cover English 5 GENERAL SAFETY PRECAUTIONS Before using a new chain saw e Please read this manual carefully e Check that the cutting equipment is correctly fitted and adjusted See instructions under the heading Assembly e Refuel and start the chain saw See the instructions under the headings Fuel Handling and Starting and Stopping Do not use the chain saw until sufficient chain oil has reached the chain See instructions under the heading Lubricating cutting equipment e Long term exposure to noise can result in permanent hearing impairment So always use approved hearing protection WARNING Under no circumstances may the design of the machine be modified without the permission of the manufacturer Always use original accessories Non authorized modifications and or accessories can result in serious personal injury or the death of the operator or others WARNING A chain saw is a dangerous tool if used carelessly or incorrectly and can cause serious even fatal injuries It is very important that you read and understand the contents of this operator s manual WARNING The inside of the muffler contain chemicals that may be carcinogenic Avoid contact with these elements in
11. Wear personal protective equipment See instructions under the Personal protective equipment heading Do not modify this product or use it if it appears to have been modified by others Never use a machine that is faulty Carry out the checks maintenance and service instructions described in this manual Some maintenance and service measures must be carried out by trained and qualified specialists See instructions under the Maintenance heading Never use any accessories other than those recommended in this manual See instructions under the headings Cutting equipment and Technical data CAUTION Always wear protective glasses or a face visor to reduce the risk of injury from thrown objects A chain saw is capable of throwing objects such as wood chips small pieces of wood etc at great force This can result in serious injury especially to the eyes WARNING Running an engine ina confined or badly ventilated area can result in death due to asphyxiation or carbon monoxide poisoning WARNING Faulty cutting equipment or the wrong combination of bar and saw chain increases the risk of kickback Only use the bar saw chain combinations we recommend and follow the filing instructions See instructions under the heading Technical data GENERAL SAFETY PRECAUTIONS Always use common sense It is not possible to cover every conceivable situation you can face when using a chain saw Always exercise care and use your common sense
12. machine is not one of our authorised dealers ask for the address of your nearest service workshop It is our wish that you will be satisfied with your product and that it will be your companion for a long time Think of this operator s manual as a valuable document By following its content usage service maintenance etc the life soan and the second hand value of the machine can be extended If you sell this machine make sure that the operator s manual is passed on to the buyer Thank you for using a Husqvarna product Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice 4 English WHAT IS WHAT What is what on the chain saw AN OA FF WOOD a O 12 13 14 15 16 17 18 Front hand guard Cylinder cover Air purge Start reminder Right hand brake trigger 455e Rancher II TrioBrake Rear handle Information and warning decal Combined start and stop switch Fuel tank Starter Starter handle Chain oil tank Product and serial number plate Throttle lockout Decompression valve Front handle Muffler Bar tip sprocket 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Saw chain Guide bar Spike bumper Chain catcher Chain tensioning screw 460 Rancher Il 465 Rancher I Clutch cover 460 Rancher II 465 Rancher II Oil pump adjustment screw
13. missing or defective The muffler is designed to reduce the noise level and to direct the exhaust gases away from the operator The exhaust gases are hot and can contain sparks which may cause fire if directed against dry and combustible material Starter 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 Care must be exercised when replacing the return spring or the starter cord Wear protective glasses and protective gloves Changing a broken or worn starter cord Loosen the screws that hold the starter against the crankcase and remove the starter Pull out the cord approx 30 cm and hook it into the notch in the rim of the pulley Release the recoil spring by letting the pulley rotate slowly backwards 34 English Undo the screw in the centre of the pulley and remove the pulley Insert and fasten a new starter cord to the pulley Wind approx 3 turns of the starter cord onto the pulley Connect the pulley to the recoil spring so that the end of the spring engages in the pulley Fit the screw in the centre of the pulley Insert the starter cord through the hole in the starter housing and the starter handle Make a secure knot in the end of the starter cord Tensioning the recoil spring Hook the starter cord in the notch in the pulley and turn the starter pulley about 2 turns clockw
14. with both hands General Always use full throttle when cutting Reduce the speed to idle after every cut running the engine for too long at full throttle without any load i e without any resistance from the chain during cutting can lead to serious engine damage Cutting from above Cutting on the pull stroke e Cutting from below Cutting on the push stroke Cutting on the push stroke increases the risk of kickback See instructions under the heading How to avoid kickback Terms 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 There are five important factors you should consider before making a cut 1 Make sure the cutting equipment will not jam in the cut 3 Make sure the chain will not strike the ground or any other object during or after cutting 5 Do the conditions and surrounding terrain affect how safely you can stand and move about Two factors decide whether the chain will jam or the object that you are cutting will split the first is how the object is supported before and after cutting and the second is whether it is in tension In most cases you can avoid these problems by cutting in two stages from the top and from the bottom You need to support the object so that it will not trap the chain or split during cutting IMPORTANT If the chain jams in the
15. B A Equivalent vibration levels a pyeq see note 3 Front handle m s Rear handle m s Chain bar Standard bar length inch cm Recommended bar lengths inch cm Usable cutting length inch cm Pitch inch mm Thickness of drive links inch mm Type of drive sprocket number of teeth Chain speed at max power m sec 460 Rancher Il 64 1 49 34 2700 3 0 9 000 NGK BPMR 7A 0 5 0 44 6 17 0 32 Adjustable 6 1 117 119 108 4 0 5 0 18 46 15 24 38 61 14 23 36 58 3 8 9 52 0 050 1 3 0 058 1 5 Spur 7 20 0 465 Rancher Il 64 1 49 34 2700 3 2 9600 NGK BPMR 7A 0 5 0 44 6 17 0 32 Adjustable 6 1 117 119 109 3 9 5 5 18 46 15 24 38 61 14 23 36 58 3 8 9 52 0 058 1 5 Rim 7 21 4 Note 1 Noise emissions in the environment measured as sound power Lwa in conformity with EC directive 2000 14 EC Note 2 Equivalent sound pressure level according to ISO 22868 is calculated as the time weighted energy total for different sound pressure levels under various working conditions Typical statistical dispersion for equivalent sound pressure level is a standard deviation of 1 dB A Note 3 Equivalent vibration level according to ISO 22867 is calculated as the time weighted energy total for vibration levels under various working conditions Reported data for equivalent vibration level has a typical statistical dispersion standard deviation of 1 m s 40 English
16. NING The risk of kickback is increased if the depth gauge setting is too large Adjustment of depth gauge setting e The cutting teeth should be newly sharpened before adjusting the depth gauge setting We recommend that you adjust the depth gauge setting every third time you sharpen the cutting teeth NOTE This recommendation assumes that the length of the cutting teeth is not reduced excessively e You will need a flat file and a depth gauge tool We recommend that you use our depth gauge tool to acheive the correct depth gauge setting and bevel for the depth gauge e Place the depth gauge tool over the chain Detailed information regarding the use of the depth gauge tool will be found on the package for the depth gauge tool Use the flat file to file off the tip of the depth gauge that protrudes through the depth gauge tool The depth gauge setting is correct when you no longer feel resistance as you draw the file along the depth gauge tool WARNING A slack chain may jump off and cause serious or even fatal injury The more you use a chain the longer it becomes It is therefore important to adjust the chain regularly to take up the slack Check the chain tension every time you refuel NOTE A new chain has a running in period during which you should check the tension more frequently Tension the chain as tightly as possible but not so tight that you cannot pull it round freely by hand English
17. Operator s manual 455 Rancher Il 455e Rancher Il 455e Rancher Il TrioBrake 460 Rancher II 465 Rancher II carefully and make sure you understand the instructions before using the machine Please read the operator s manual KEY TO SYMBOLS Symbols on the machine WARNING Chain saws can be dangerous Careless or incorrect use can result in serious or fatal injury to the operator or others Please read the operator s manual carefully and make sure you understand the instructions before using the machine Always wear Approved protective helmet Approved hearing protection Protective goggles or a visor This product is in accordance with applicable EC directives Noise emission to the environment according to the European Community s Directive The machine s emission is specified in the Technical data chapter and on the label WARNING Kickback may occur when the nose or tip of the guide bar touches an object and cause a lightning fast reverse reaction kicking the guide bar up and towards the operator May cause serious personal injury Decompression valve The valve is to reduce the pressure in the cylinder and make starting easier You should always use the decompression valve when starting the machine Ignition choke Set the choke control in the choke position This should automatically set the stop switch to the start position Adjustment of the oil pump Refuelling Chain oil fill
18. See instructions under the heading Technical data for information about sharpening your chain WARNING Departure from the sharpening instructions considerably increases the risk of kickback Sharpening cutting teeth To sharpen cutting teeth you will need a round file and a file gauge See instructions under the heading Technical GENERAL SAFETY PRECAUTIONS data for information on the size of file and gauge that are recommended for the chain fitted to your chain saw e Check that the chain is correctly tensioned A slack chain will move sideways making it more difficult to sharpen correctly CIP OERO OY PA SIPS IE ISTE ISTE Always file cutting teeth from the inside face Reduce the pressure on the return stroke File all the teeth on one side first then turn the chain saw over and file the teeth on the other side e File all the teeth to the same length When the length of the cutting teeth is reduced to 4 mm 5 32 the chain is worn out and should be replaced 5 32 ea lo General advice on adjusting depth gauge setting min 4mm When you sharpen the cutting tooth A the depth gauge setting C will decrease To maintain optimal cutting performance the depth gauge B has to be filed down to achieve the recommended depth gauge setting See instructions under the heading Technical data to find the correct depth gauge setting for your particular chain c eD WAR
19. The filter must therefore be replaced with a new one at regular intervals A damaged air filter 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 Spark plug The spark plug condition is influenced by Anincorrect fuel mixture too much or incorrect type of oil e A dirty air filter These factors cause deposits on the spark plug electrodes which may result in operating problems and starting difficulties If the machine is low on power difficult to start or runs poorly at idle speed always check the spark plug first before taking any further action If the spark plug is dirty clean it and check that the electrode gap is 0 5 mm The spark plug should be replaced after about a month in operation or earlier if necessary 0 5 mm Note Always use the recommended spark plug type Use of the wrong spark plug can damage the piston cylinder Check that the spark plug is fitted with a suppressor Needle bearing lubrication The clutch drum has a needle bearing on the output shaft This needle bearing must be lubricated regularly once a week When lubricating remove the clutch cover by loosening the two bar nuts Lay the saw on its side with the clutch drum upwards Lubrication involves engine oil dripping into the centre of the clutch drum as it rotates Englis
20. ake release 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 When the bar hits the stump the brake should be activated Checking the right hand brake trigger Check that the right hand guard is not damaged and that there are no visible defects such as cracks Push the trigger up and forwards to check that it moves freely and is securely hinged to the clutch cover Never carry or hang the saw by the trigger This could damage the mechanism and disable the chain brake 32 English Checking the brake trigger Place the chain saw on firm ground and start it Make sure the chain does not touch the ground or any other object See the instructions under the heading Start and stop Grasp the chain saw firmly wrapping your fingers and thumbs around the handles Apply full throttle and activate the chain brake by tilting your left wrist forward onto the front hand guard Do not let go of the front handle The chain should stop immediately Make sure the throttle control is locked at the idle setting when the throttle lockout is released Press the throttle lockout and make sure it returns to its original position when you release it Check that the throttle trigger and throttle lockout move freely and that the return springs wor
21. bration can lead to circulatory damage or nerve damage in people who have impaired circulation Contact your doctor if you experience symptoms of overexposure to vibration Such symptoms include numbness loss of feeling tingling pricking pain loss of strength changes in skin colour or condition These symptoms normally appear in the fingers hands or wrists These symptoms may be increased in cold temperatures Stop switch Use the stop switch to switch off the engine 10 English Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user WARNING The exhaust fumes from the engine are hot and may contain sparks which can start a fire Never start the machine indoors or near combustible material In areas with a hot dry climate there is a high risk of fires These areas are sometimes subject to government rules requiring among other things the muffler must be equipped with an approved type of spark arrestor mesh CAUTION The muffler gets very hot during and after use This also applies during idling Be aware of the fire hazard especially when working near flammable substances and or vapours WARNING Never use a saw without a muffler or with a damaged muffler A damaged muffler may substantially increase the noise level and the fire hazard Keep fire fighting equipment handy If a spark arrestor screen is required in your area never use th
22. cut stop the engine Don t try to pull the chain saw free If you do you may be injured by the chain when the chain saw suddenly breaks free Use a lever to open up the cut and free the chain saw The following instructions describe how to handle the 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 English 25 WORKING TECHNIQUES Cut difficult branches piece by piece Cutting WARNING Never attempt to cut logs while they are in a pile or when a couple of logs are lying together Such procedures drastically increase the risk of kickback which can result in a serious or fatal injury If you have a pile of logs each log you attempt to cut should be removed from the pile placed on a saw horse or runners and cut individually Remove the cut pieces from the cutting area By leaving them in the cutting area you increase the risk for inadvertently getting a kickback as well as increasing the risk of losing your balance while working The log is lying on the ground There is little risk of the chain jamming or the object splitting However there is a risk that the chain will touch the ground when you finish the cut Mo a Cut all the way through the log from above Avoid letting the chain touch the ground as you finish the cut Maintain full throttle but be prepared for what might happen
23. e saw without or with a broken spark arrestor screen Cutting equipment This section describes how to choose and maintain your cutting equipment in order to e Reduce the risk of kickback e Reduce the risk of the saw chain breaking or jumping off the bar Obtain optimal cutting performance e Extend the life of cutting equipment e Avoid increasing vibration levels GENERAL SAFETY PRECAUTIONS General rules e Only use cutting equipment recommended by us See instructions under the heading Technical data age sore j Keep the chain s cutting teeth properly sharpened Follow our instructions and use the recommended file gauge A damaged or badly sharpened chain increases the risk of accidents Ba Maintain the correct depth gauge setting Follow our instructions and use the recommended depth gauge clearance Too large a clearance increases the risk of kickback Keep the chain properly tensioned If the chain is slack it is more likely to jump off and lead to increased wear on the bar chain and drive sprocket properly maintained A poorly lubricated chain is more likely to break and lead to increased wear on the bar chain and drive sprocket 6 Cutting equipment designed to reduce kickback WARNING Faulty cutting equipment or the wrong combination of bar and saw chain increases the risk of kickback Only use the bar saw chain combinations we recommend and follow the filing instruc
24. ensioned chain ensures good cutting performance and long life 18 English Fitting a spike bumper To fit a spike bumper contact your service agent FUEL HANDLING Fuel Note The machine is equipped with a two stroke engine and must always be run using a mixture of petrol and two stroke oil It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained When mixing small amounts of fuel even small inaccuracies can drastically affect the ratio of the mixture WARNING Always ensure there is adequate ventilation when handling fuel Use good quality unleaded or leaded petrol e The lowest recommended octane grade is 90 RON If you run the engine on a lower octane grade than 90 so called knocking can occur This gives rise to a high engine temperature and increased bearing load which can result in serious engine damage When working with continuous high revs e g limbing a higher octane is recommended Environment fuel HUSQVARNA recommends the use of alkylate fuel either Aspen two stroke fuel or environmental fuel for four stroke engines blended with two stroke oil as set out below Ethanol fuel HUSQVARNA recommends commercial available fuel with maximum 10 ethanol content Running in Avoid running at a too high speed for extended periods during the first 10 hours Two stroke oil e For best results and performance use HUSQVARNA tw
25. es the risk of accidents but only you can prevent them English 7 GENERAL SAFETY PRECAUTIONS Take care when using your saw and make sure the kickback zone of the bar never touches any object DTG The chain brake A can either be activated manually by your left hand or automatically by the inertia release mechanism A The brake is applied when the front hand guard B is pushed forwards or when the right hand brake trigger E is pushed up and forwards that tightens the brake band C around the engine drive system D clutch drum The front hand guard is not designed solely to activate the chain brake Another important feature is that it reduces the risk of your left hand hitting the chain if you lose grip of the front handle The chain brake must be engaged when the chain saw is started to prevent the saw chain from rotating y ITO Use the chain brake as a parking brake when starting and when moving over short distances to 8 English reduce the risk of moving chain accidentally hitting your leg or anyone or anything close by To release the chain brake pull the front hand guard backwards towards the front handle Kickback can be very sudden and violent Most kickbacks are minor and do not always activate the chain brake If this happens you should hold the chain saw firmly and not let go The way the chain brake is activated either manually
26. f surprise By being prepared you reduce the risk Kickback is usually quite mild but it can sometimes be very sudden and violent Always hold the chain saw firmly with your right hand on the rear handle and your left hand on the front handle Wrap your fingers and thumbs around the handles You should use this grip whether you are right handed or left handed This grip minimises the effect of kickback and lets you keep the chain saw under control Do not let go of the handles Most kickback accidents happen during limbing Make sure you are standing firmly and that there is nothing in the way that might make you trip or lose your balance Lack of concentration can lead to kickback if the kickback zone of the bar accidentally touches a branch nearby tree or some other object Have control over the workpiece If the pieces you intend to cut are small and light they can jam in the 24 English saw chain and be thrown towards you Even if this does not need to be a danger you may be surprised and lose control of the saw Never saw stacked logs or branches without first separating them Only saw one log or one piece at a time Remove the cut pieces to keep your working area safe 4 Never use the chain saw above shoulder height and try not to cut with the tip of the bar Never use the chain saw one handed You must have a steady stance in order to have full control over the chain saw Never work standing on a
27. g direction 1 Danger zone 2 Retreat path 3 Felling direction Felling WARNING Unless you have special training we advise you not to fell trees with a diameter larger than the bar length of your saw Felling is done using three cuts First you make the directional cuts which consist of the top cut and the bottom cut then you finish with the felling cut By placing these cuts correctly you can control the felling direction very accurately Directional cuts To make the directional cut you begin with the top cut Aim using to the saw s felling direction mark 1 toward a goal further forward in the terrain where you would like the tree to fall 2 Stand on the right hand side of the tree behind the saw and cut with a pull stroke English 27 WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the end of the top cut The directional cuts should run 1 4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45 The line where the two cuts meet is called the directional cut line This line should be perfectly horizontal and at right angles 90 to the chosen felling direction Tg Felling cut The felling cut is made from the opposite side of the tree and it must be perfectly horizontal Stand on the left side of the tree and cut on the pull stroke Make the felling cut about 3 5 cm 1 5 2 inches above the bottom directi
28. ground unpredictable felling 6 Check that the anti vibration system works and is not direction etc damaged 3 Take great care when removing small branches and avoid cutting bushes i e cutting many small branches at the same time Small branches can be grabbed by the chain and thrown back at you causing serious 8 Check that all parts of the chain saw are tightened injury correctly and that they are not damaged or missing 7 Check that the muffler is securely attached and not damaged 9 Check that the chain catcher is in place and not damaged 10 Check the chain tension General working instructions 4 Make sure you can move and stand safely Check the area around you for possible obstacles roots rocks IMPORTANT branches ditches etc in case you have to move This section describes basic safety rules for using a suddenly Take great care when working on sloping chain saw This information is never a substitute for ground professional skills and experience If you get into a situation where you feel unsafe stop and seek expert advice Contact your chain saw dealer service agent or an experienced chain saw user Do not attempt any task that you feel unsure of Before using a chain saw you must understand the effects of kickback and how to avoid them See instructions under the heading How to avoid kickback Before using a chain saw you must understand the difference between cutting with the top and bottom 5 Ta
29. h 35 MAINTENANCE Adjustment of the oil pump Adjustments are made by turning the screw using a screwdriver or combination spanner The machine is supplied from the factory with the screw set to position 2 Turning the screw clockwise will reduce the oil flow and turning the screw anti clockwise will increase the oil flow Recommended settings Bar 15 Position 1 Bar 16 18 Position 2 Bar 20 24 Position 3 WARNING The engine must not be running when making adjustments Cooling system To keep the working temperature as low as possible the machine is equipped with a cooling system SO am The cooling system consists of 1 Air intake on the starter 2 Air guide plate 3 Fins on the flywheel 4 Cooling fins on the cylinder 5 Cylinder cover directs cold air over the cylinder Clean the cooling system with a brush once a week more often in demanding conditions A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder 36 English 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 IMPORTANT In order to maintain operation of the centrifugal cleaning system it must be regularly maintained Clean the air intake to the starter the fins on the flywheel the space around the fl
30. he COUNCIL S DIRECTIVES of May 17 2006 relating to machinery 2006 42 EC of December 15 2004 relating to electromagnetic compatibility 2004 108 EC of May 8 2000 relating to the noise emissions in the environment 2000 14 EC For information relating to noise emissions see the Technical data chapter The following standards have been applied EN ISO 12100 2010 ISO 14982 1998 EN ISO 11681 1 2011 Notified body 0404 SMP Svensk Maskinprovning AB Fyrisborgsgatan 3 SE 754 50 Uppsala Sweden has carried out EC type examination in accordance with the machinery directive s 2006 42 EC article 12 point 3b The certificates for EC type examination in accordance with annex IX have the numbers 0404 12 2351 455 Rancher II 445e Rancher Il 455e Rancher II TrioBrake 0404 12 2349 460 Rancher II 0404 12 2350 465 Rancher II In addition SMP Svensk Maskinprovning AB Fyrisborgsgatan 3 SE 754 50 Uppsala Sweden has certified conformity with annex V of the Council s Directive of May 8 2000 relating to the noise emissions in the environment 2000 14 EC The certificates have the numbers 01 161 098 455 Rancher II 455e Rancher II 455e Rancher II TrioBrake 01 161 100 460 Rancher II 465 Rancher II The supplied chain saw conforms to the example that underwent EC type examination Huskvarna 14 June 2012 Bengt Fr gelius Development director chainsaw R amp D Authorized representative for Husqvarna AB and respon
31. he ground Pull the starter handle with your right hand and pull out the starter cord slowly until you feel a resistance as the starter pawls engage then pull firmly and rapidly until the engine starts not let go of the starter handle when the cord is fully extended This can damage the machine As the chain brake is still engaged the speed of the engine must be set to idling as soon as possible this is achieved by quickly disengaging the throttle lock This prevents unnecessary wear to the clutch clutch drum and brake band N X EE There is a simplified start reminder with illustrations to describe each step on the rear edge of the saw UET EEO OON SOMO English 21 STARTING AND STOPPING Note Reactivate the chain brake by pushing the front should use this grip Use a firm grip with thumbs and hand guard back towards the front handle The chain saw fingers encircling the chain saw handles is now ready for use WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk 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 Stop the engine by pushing the start stop switch down NOTE The start stop switch automatically returns to run positio
32. ically return to its original setting Air purge 3 Press the air purge diaphragm repeatedly until fuel begins to fill the diaphragm about 6 times The diaphragm need not be completely filled Grip the front handle with your left hand Put your right foot into the boot grip through the lower section of the rear handle pressing the machine against the ground Pull the starter handle with your right hand and pull out the starter cord slowly until you feel a resistance as the starter pawls engage then pull firmly and rapidly until the engine starts Push down the red choke control as soon as the engine fires which can be heard through a puff sound Keep on pulling the cord powerfully until the engine starts Warm engine Start position 1 Set the start stop switch in the choke position by pulling the red control outward upward Then immediately press down on the start stop switch to attain start throttle setting Decompression valve 2 Press the valve to reduce the pressure in the cylinder and make starting easier Once the machine has started the valve will automatically return to its original setting Air purge 3 Press the air purge diaphragm repeatedly until fuel begins to fill the diaphragm about 6 times The diaphragm need not be completely filled Grip the front handle with your left hand Put your right foot into the boot grip through the lower section of the rear handle pressing the machine against t
33. ickback can happen very suddenly and violently kicking the chain saw bar and chain back at the user If this happens when the chain is moving it can cause very serious even fatal injuries It is vital you understand what causes kickback and that you can avoid it by taking care and using the right working technique What is kickback The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar known as the kickback zone touches an object v Kickback always occurs in the cutting plane of the bar Normally the chain saw and bar are thrown backwards and upwards towards the user However the chain saw may move in a different direction depending on the way it was being used when the kickback zone of the bar touched the object English 29 WORKING TECHNIQUES Kickback only occurs if the kickback zone of the bar touches an object WARNING A majority of kickback accidents occur during limbing Do not use the kickback zone of the guide bar Be extremely cautious and avoid contacting the log other limbs or objects with the nose of the guide bar Be extremely cautious of limbs under tension They can spring back toward you and cause loss of control resulting in injury Make sure that you can stand and move about safely Work on the left side of the trunk Work as close as possible to the chain saw for max
34. imum control If possible let the weight of the chain saw rest on the trunk Keep the trunk between you and the chain saw as you move along the trunk Cutting the trunk into logs See instructions under the heading Basic cutting technique 30 English MAINTENANCE General Checking maintaining and The user must only carry out the maintenance and service work described in this Operator s Manual More extensive work must be carried out by an authorized service workshop Carburettor adjustment Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions AutoTune If the engine is equipped with AutoTune manual adjustment of the carburettor s H and L needles and the T screw no longer applies Both needles and the T screw have been removed AutoTune is a function that adjusts the carburettor electronically always resulting in optimal adjustment WARNING If the saw chain rotates while idling contact your servicing dealer Do not use the chain saw until it has been properly adjusted or repaired Function The carburettor controls the speed of the engine via the throttle Air fuel is mixed in the carburettor This air fuel mixture is adjustable e The automatic adjustment of the carburettor means that the engine is adapted to local conditions e g the climate altitude petrol and the type of 2 stroke oil This function is controlled by AutoTune Eng
35. ine adjustment The following steps should be taken when the chain saw is started for the first time or when outside circumstances change fuel altitude air filter etc Start the engine Accelerate the engine and saw a number of cuts in a thick log 3 5 min The chain saw must be run 8 000 12 000 rpm the entire time so that the carburettor can adjust itself Conditions NOTE The ignition system includes an in built speed limiter When the speed governor is activated you will get the same sound experience as when the chain saw 4 cycles servicing chain saw safety equipment Note All service and repair work on the machine demands special training This is especially true of the machine s safety equipment If your machine fails any of the checks described below we recommend that you take it to your service workshop Chain brake and front hand guard Checking brake band wear Brush off any wood dust resin and dirt from the chain brake and clutch drum Dirt and wear can impair operation of the brake Regularly check that the brake band is at least 0 6 mm thick at its thinnest point Checking the front hand guard Make sure the front hand guard is not damaged and that there are no visible defects such as cracks Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover English 31 MAINTENANCE Checking the inertia br
36. ise Note Check that the pulley can be turned at least a further 1 2 turn when the starter cord is pulled all the way out e Lift off the pulley See instructions under heading Changing a broken or worn starter cord Remove the recoil spring from inside the pulley by tapping the pulley lightly with its inside face downwards against a work bench or the like If the spring pops out during fitting wind it up again working from the outside in towards centre e Lubricate the recoil spring with light oil Fit the pulley and tension the recoil spring MAINTENANCE Fitting the starter e To fit the starter first pull out the starter cord and place the starter in position against the crankcase Then slowly release the starter cord so that the pulley engages with the pawls Fit and tighten the screws that hold the starter Air filter The air filter must be regularly cleaned to remove dust and dirt in order to avoid e Carburettor malfunctions e Starting problems e Loss of engine power e Unnecessary wear to engine parts e Excessive fuel consumption e Remove the air filter after taking off the air filter cover When refitting make sure that the air filter seals tightly against the filter holder Clean the filter by brushing or shaking it The filter can be cleaned more thoroughly by washing it in water and detergent An air filter that has been in use for a long time cannot be cleaned completely
37. k plug cap from the spark plug Activate the chain brake Secure the machine during transport Long term storage Empty the fuel oil tanks in a well ventilated area Store the fuel in approved cans in a safe place Fit the guide bar cover Clean the machine See instructions under the heading Maintenance schedule Ensure the machine is cleaned and that a complete service is carried out before long term storage STARTING AND STOPPING Starting and stopping WARNING Note the following before starting The chain brake must be engaged when the chain saw is started to reduce the chance of contact with the moving chain during starting Never start a chain saw unless the bar chain and all covers are fitted correctly Otherwise the clutch can come loose and cause personal injuries Place the machine on firm ground Make sure you have a secure footing and that the chain cannot touch anything Keep people and animals well away from the working area Never twist the starter cord around your hand Starting The chain brake must be engaged when the chain saw is started Activate the brake by moving the front hand guard forwards om Cold engine Start position 1 Set the start stop switch in the choke position by pulling the red control outward upward Decompression valve 2 Press the valve to reduce the pressure in the cylinder and make starting easier Once the machine has started the valve will automat
38. k properly MAINTENANCE e Start the chain saw and apply full throttle Release the throttle control and check that the chain stops and remains stationary If the chain rotates when the throttle trigger is in the idle position contact your servicing dealer Chain catcher are Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw Right hand guard Check that the right hand guard is not damaged and that there are no visible defects such as cracks Regularly check the vibration damping units for cracks or deformation Make sure the vibration damping units are securely attached to the engine unit and handle unit Stop switch Start the engine and make sure the engine stops when you move the stop switch to the stop setting Regularly check that the muffler is securely attached to the machine Some mufflers are equipped with a special spark arrestor mesh If your machine has this type of muffler you should clean the mesh at least once a week This is best done with a wire brush A blocked mesh will cause the engine to overheat and may lead to serious damage Note The mesh must be replaced if it is damaged If the mesh is blocked the machine will overheat and this will cause damage to the cylinder and piston Never use a machine with a muffler that is in poor condition Never English 33 MAINTENANCE use a muffler if the spark arrestor mesh is
39. ke great care when cutting a tree that is in tension edges of the bar See instructions under the headings A tree that is in tension may spring back to its normal How to avoid kickback and Machine s safety equipment position before or after being cut If you position i yourself incorrectly or make the cut in the wrong place Wear personal protective equipment See instructions the tree may hit you or the machine and cause you to under the Personal protective equipment heading lose control Both situations can cause serious personal injury Basic safety rules 1 Look around you e To ensure that people animals or other things cannot s affect your control of the machine 6 Before moving your chain saw switch off the engine and lock the chain using the chain brake Carry the chain saw with the bar and chain pointing backwards English 23 WORKING TECHNIQUES Fit a guard to the bar before transporting the chain saw or carrying it for any distance 7 When you put the chain saw on the ground lock the saw chain using the chain brake and ensure you have a constant view of the machine Switch the engine off before leaving your chain saw for any length of time WARNING Sometimes chips get stuck in the clutch cover causing the chain to jam Always stop the engine before cleaning General rules 1 If you understand what kickback is and how it happens then you can reduce or eliminate the element o
40. ked frequently until the chain is run in Check the chain tension regularly A correctly tensioned chain ensures good cutting performance and long life 455e Rancher Il 455e Rancher II TrioBrake Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle Remove the knob and remove the clutch cover chain brake Take off the transportation ring English 17 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 ial Make sure that the edges of the cutting links are facing forward on the top edge of the bar 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 The chain should be tensioned until it does not sag from the underside of the bar The chain is correctly tensioned when it does not sag from the underside of the bar but can still be turned easily by hand Hold up the bar tip and tighten the bar knob by turning the knob clockwise When fitting a new chain the chain tension has to be checked frequently until the chain is run in Check the chain tension regularly A correctly t
41. ladder in a tree or where you do not have firm ground to stand on Always use a fast cutting speed i e full throttle Take great care when you cut with the top edge of the bar i e when cutting from the underside of the object This is known as cutting on the push stroke The chain tries to push the chain saw back towards the user If the saw chain is jamming the saw may be pushed back at you WORKING TECHNIQUES 8 Unless the user resists this pushing force there is a risk that the chain saw will move so far backwards that only the kickback zone of the bar is in contact with the tree which will lead to a kickback Cutting with the bottom edge of the bar i e from the top of the object downwards is known as cutting on the pull stroke In this case the chain saw pulls itself towards the tree and the front edge of the chain saw body rests naturally on the trunk when cutting Cutting on the pull stroke gives the operator better control over the chain saw and the position of the kickback zone 9 Follow the instructions on sharpening and maintaining your bar and chain When you replace the bar and chain use only combinations that are recommended by us See instructions under the headings Cutting equipment and Technical data Basic cutting technique WARNING Never use a chain saw by holding it with one hand A chain saw is not safely controlled with one hand Always have a secure firm grip around the handles
42. n To avoid involuntary start up the spark plug cap i must always be removed from the spark plug when the instructions under the heading Start and stop Do not machine is unsupervised drop start This method is very dangerous because you may lose control of the saw Never start the machine indoors Exhaust fumes can be dangerous if inhaled e Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment Always hold the saw 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 22 English WORKING TECHNIQUES Before use To make sure that none of the above might come within reach of your saw or be injured by falling trees 1 Check that the chain brake works correctly and is not damaged CAUTION Follow the instructions above but do not use a chain saw in a situation where you cannot call for help in 3 Check that the throttle lockout works correctly and is case of an accident not damaged 2 Check that the rear right hand guard is not damaged 2 Do not use the machine in bad weather such as 4 Check that the stop switch works correctly and is not dense fog heavy rain strong wind intense cold etc damaged Working in bad weather is tiring and often brings 5 Check that all handles are free from oil added risks such as icy
43. non slip sole Always have a first aid kit nearby e Fire Extinguisher and Shovel Generally clothes should be close fitting without restricting your freedom of movement IMPORTANT Sparks can come from the muffler the bar and chain or other sources Always have fire extinguishing tools available if you should need them Help prevent forest fires Machine s safety equipment In this section the machine s safety features and their function are explained For inspection and maintenance see instructions under the heading Checking maintaining and servicing chain saw safety equipment See instructions under the heading What is what to find where these parts are located on your machine The life span of the machine can be reduced and the risk of accidents can increase if machine maintenance is not carried out correctly and if service and or repairs are not carried out professionally If you need further information please contact your nearest service workshop WARNING Never use a machine with defective safety components Safety equipment must be inspected and maintained See instructions under the heading Checking maintaining and servicing chain saw safety equipment If your machine does not pass all the checks take the saw to a servicing dealer for repair Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain if you get a kickback The chain brake reduc
44. note 3 Front handle m s Rear handle m s Chain bar Standard bar length inch cm Recommended bar lengths inch cm Usable cutting length inch cm Pitch inch mm Thickness of drive links inch mm Type of drive sprocket number of teeth Chain speed at max power m sec 3 4 4 5 15 38 15 20 38 51 14 19 36 49 0 325 8 25 3 8 9 52 0 050 1 3 0 058 1 5 Spur 7 20 0 455e Rancher Il 55 5 47 32 2700 2 6 9000 NGK BPMR 7A 0 5 0 44 6 17 0 32 Adjustable 6 0 112 114 104 3 4 4 5 15 38 15 20 38 51 14 19 36 49 0 325 8 25 3 8 9 52 0 050 1 3 0 058 1 5 Spur 7 20 0 455e Rancher Il TrioBrake 55 5 47 32 2700 2 6 9000 NGK BPMR 7A 0 5 0 44 6 17 0 32 Adjustable 6 2 112 114 105 3 4 4 5 15 38 15 20 38 51 14 19 36 49 0 325 8 25 3 8 9 52 0 050 1 3 0 058 1 5 Spur 7 20 0 English 39 TECHNICAL DATA Engine Cylinder displacement cm Cylinder bore mm Stroke mm Idle speed rpm Power kW rpm Ignition system Spark plug Electrode gap mm Fuel and lubrication system Fuel tank capacity litre Oil pump capacity at 9 000 rpm ml min Oil tank capacity litre Type of oil pump Weight Chain saw without bar or chain empty tanks kg Noise emissions see note 1 Sound power level measured dB A Sound power level guaranteed Lwa dB A Sound levels see note 2 Equivalent sound pressure level at the operator s ear d
45. o stroke engine oil which is specially formulated for our air cooled two stroke engines Never use two stroke oil intended for water cooled engines sometimes referred to as outboard oil rated TCW e Never use oil intended for four stroke engines e A poor oil quality and or too high oil fuel ratio may jeopardise function and decrease the life time of catalytic converters Mixing ratio 1 50 2 with HUSQVARNA two stroke oil 1 33 3 with oils class JASO FB or ISO EGB formulated for air cooled two stroke engines Petrol litre Two stroke oil litre 2 1 50 3 1 33 5 0 10 0 15 0 20 0 30 0 30 0 45 0 40 0 60 e Always mix the petrol and oil in a clean container intended for fuel e Always start by filling half the amount of the petrol to be used Then add the entire amount of oil Mix shake the fuel mixture Add the remaining amount of petrol e Mix shake the fuel mixture thoroughly before filling the machine s fuel tank Do not mix more than one month s supply of fuel at a time e Ifthe machine is not used for some time the fuel tank should be emptied and cleaned Chain oil We recommend the use of special oil chain oil with good adhesion characteristics e Never use waste oil This results in damage to the oil pump the bar and the chain e Itis important to use oil of the right grade suitable viscosity range to suit the air temperature e In tempera
46. onal cut hans AA Lo he W AM N Set the spike bumper if one is fitted just behind the felling hinge Use full throttle and advance the chain bar slowly into the tree Make sure the tree does not start to move in the opposite direction to your intended felling direction Drive a wedge or breaking bar into the cut as soon as it is deep enough Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1 10 of the trunk diameter The uncut section of the trunk is called the felling hinge 28 English The felling hinge controls the direction that the tree falls in All control over the felling direction is lost if the felling hinge is too narrow or non existent or if the directional cuts and felling cut are badly placed When the felling cut and directional cut are complete the tree should start to fall by itself or with the aid of a felling wedge or breaking bar We recommend that you use a bar that is longer than the diameter of the tree so that you can make the felling cut and directional cuts with single cutting strokes See instructions under the heading Technical data section to find out which lengths of bar are recommended for your saw There are methods for felling trees with a diameter larger than the bar length However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree
47. ons under the headings General working instructions and General safety precautions ASSEMBLY should be tensioned until it does not sag from the underside of the bar Fitting the bar and chain WARNING Always wear gloves when working with the chain 455 Rancher Il 460 Rancher Il 465 Rancher Il Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle Remove the bar nuts and remove the clutch cover chain brake Take off the transportation ring A 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 Fit the clutch cover and locate 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 Tighten the bar nuts finger tight Tension the chain by turning the chain tensioning screw clockwise using the combination spanner The chain The chain is correctly tensioned when it does not sag from the underside of the bar but can still be turned easily by hand Hold up the bar tip and tighten the bar nuts with the combination spanner When fitting a new chain the chain tension has to be chec
48. or automatically by the inertia release mechanism depends on the force of the kickback and the position of the chain saw in relation to the object that the kickback zone of the bar strikes If you get a violent kickback while the kickback zone of the bar is farthest away from you the chain brake is designed to be activated by the inertia in the kickback direction GENERAL SAFETY PRECAUTIONS If the kickback is less violent or the kickback zone of the bar is closer to you the chain brake will be activated manually by the movement of your left hand e Inthe felling position the left hand is in a position that makes manual activation of the chain brake impossible With this type of grip that is when the left hand is placed so that it cannot affect the movement of the front hand guard the chain brake can only be activated by the inertia action Will my hand always activate the chain brake during a kickback No It takes a certain force to move the hand guard forward If your hand only lightly touches the front guard or slips over it the force may not be enough to trigger the chain brake You should also maintain a firm grip of the chain saw handles while working If you do and experience a kickback your hand may never leave the front handle and will not activate the chain brake or the chain brake will only activate after the saw has swung around a considerable distance In such instances the chain brake might not have en
49. ough time to stop the saw chain before it touches you There are also certain positions in which your hand cannot reach the front hand guard to activate the chain brake for example when the saw chain is held in felling position Will my inertia activated chain brake always activate during kickback in the event of a kickback No First your brake must be in working order Testing the brake is simple see instructions under the heading Checking maintaining and servicing chain saw safety equipment We recommend you do before you begin each work session Second the kickback must be strong enough to activate the chain brake If the chain brake is too sensitive it would activate all the time which would be a nuisance Will my chain brake always protect me from injury in the event of a kickback No First the chain brake must be in working order to provide the intended protection Second it must be activated during the kickback as described above to stop the saw chain Third the chain brake may be activated but if the bar is too close to you the brake might not have enough time to slow down and stop the chain before the chain saw hits you Only you and proper working technique can eliminate kickback and its danger Throttle lockout 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 When you
50. 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 Husqvarna River for production of muskets The location was logical since water power was harnessed from the Huskvarna River to create the water powered plant During the more than 300 years in existence the Husqvarna factory has produced a lot of different products from wood stoves to modern kitchen appliances sewing machines bicycles motorcycles etc In 1956 the first motor driven lawn mowers appeared followed by chain saws in 1959 and it is within this area Husqvarna is working today Today Husqvarna is one of the leading manufacturers in the world of forest and garden products with quality as our highest priority The business concept is to develop manufacture and market motor driven products for forestry and gardening as well as for the building and construction industry Husqvarna s aim is also to be at the front edge for ergonomics usability security and environmental protection That is the reason why we have developed many different features to add to our products within these areas We are convinced that you will appreciate with great satisfaction the quality and performance of our product for a very long time to come The purchase of one of our products gives you access to professional help with repairs and service whenever this may be necessary If the retailer who sells your
51. r cold winter weather As a chain saw manufacturer we have developed an optimal chain oil which with its vegetable oil base is also biodegradable We recommend the use of our own oil for both maximum chain life and to minimise environmental damage If our own chain oil is not available standard chain oil is recommended GENERAL SAFETY PRECAUTIONS Never use waste oil Using waste oil can be dangerous to you and damage the machine and environment IMPORTANT When using vegetable based saw chain oil dismantle and clean the groove in the bar and saw chain before long term storage Otherwise there is a risk of the saw chain oil oxidizing which will result in the saw chain becoming stiff and the bar tip sprocket jamming Filling with chain oil All our chain saws have an automatic chain lubrication system On some models the oil flow is also adjustable The saw chain oil tank and the fuel tank are designed so that the fuel runs out before the saw chain oil However this safety feature requires that you use the right sort of chain oil if the oil is too thin it will run out before the fuel and that you also use the recommended cutting equipment a bar that is too long will use more chain oil Checking chain lubrication e 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 awa
52. release the handle the throttle control and the throttle lockout both move back to their original positions This arrangement means that the throttle control is automatically locked at the idle setting A b PER A p B Chain catcher The chain catcher is designed to catch the chain if it snaps or jumps off This should not happen if the chain is properly tensioned see instructions under the heading Assembly and if the bar and chain are properly serviced and maintained see instructions under the heading General working instructions Right hand guard Apart from protecting your hand if the chain jumps or snaps the right hand guard stops branches and twigs from interfering with your grip on the rear handle English 9 GENERAL SAFETY PRECAUTIONS Vibration damping system Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier The machine s vibration damping system reduces the transfer of vibration between the engine unit cutting 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 Cutting hardwoods most broadleaf trees creates more vibration than cutting softwoods most conifers Cutting with cutting equipment that is blunt or faulty wrong type or badly sharpened will increase the vibration level SSS WARNING Overexposure to vi
53. sible for technical documentation 42 English Original instructions 1154135 26
54. stacles within the reach of the tree for example other trees power lines roads and buildings e Look for signs of damage and rot in the stem this makes it more probably that the tree will break and start to fall before you expect it to You may find you are forced to let the tree fall in its natural direction because it is impossible or dangerous to try to make it fall in the direction you first intended Another very important factor which does not affect the felling direction but does affect your safety is to make sure the tree has no damaged or dead branches that might break off and hit you during felling The main point to avoid is letting the tree fall onto another tree It is very dangerous to remove a trapped tree and there is high accident risk See instructions under the heading Freeing a tree that has fallen badly IMPORTANT During critical felling operations hearing protectors should be lifted immediately when sawing is completed so that sounds and warning signals can be heard Clearing the trunk and preparing your retreat Delimb the stem up to shoulder height It is safer to work from the top down and to have the tree between you and the saw Remove any undergrowth from the base of the tree and check the area for obstacles stones branches holes etc so that you have a clear path of retreat when the tree starts to fall Your path of retreat should be roughly 135 degrees away from the intended fellin
55. the event of a damaged muffler WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk WARNING This machine 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 machine 6 English WARNING Never allow children to use or be in the vicinity of the machine As the machine is equipped with a spring loaded 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 machine This can mean a risk of serious personal injury Therefore remove the spark plug cap when the machine is not under close supervision Important IMPORTANT This chain saw for forest service is designed for forest work such as felling limbing and cutting National regulation can restrict the use of the machine You should only use the saw with the bar and chain combinations we recommend in the chapter Technical data Never use the machine if you are fatigued while under the influence of alcohol or drugs medication or anything that could affect your vision alertness coordination or judgement
56. the items are described in the Maintenance section Daily maintenance Weekly maintenance Monthly maintenance Clean the outside of the machine Check the cooling system weekly Check the brake band on the chain brake for wear Replace when less than 0 6 mm 0 024 inch remains at the most worn point Check that the components of the throttle control work safely Throttle lockout and throttle control Check the starter starter cord and return spring Check the clutch centre clutch drum and clutch spring for wear Clean the chain brake and check that it operates safely Make sure that the chain catcher is undamaged and replace it if necessary Check that the vibration damping elements are not damaged Clean the spark plug Check that the electrode gap is 0 5 mm The bar should be turned daily for more even wear Check the lubrication hole in the bar to be sure it is not clogged Clean the bar groove If the bar has a sprocket tip this should be lubricated Lubricate the clutch drum bearing Clean the outside of the carburettor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check the fuel filter and the fuel hose Replace if necessary Check the saw chain with regard to visible cracks in the rivets and links whether the saw chain is stiff or whether the rivets and links are abnormally worn Replace if necessary
57. the saw chain if it exhibits any of the points above We recommend you compare the existing chain with a new chain to decide how badly the existing chain is worn When the length of the cutting teeth has worn down to only 4 mm the chain must be replaced Check regularly Guide bar Whether there are burrs on the edges of the bar Remove these with a file if necessary Whether the groove in the bar has become badly worn Replace the bar if necessary Whether the tip of the bar is uneven or badly worn If a hollow forms on the underside of the bar tip this is due to running with a slack chain A N To prolong the life of the bar you should turn it over daily 16 English WARNING Most chain saw accidents happen when the chain touches the operator Wear personal protective equipment See instructions under the Personal protective equipment heading Do not tackle any job that you feel you are not adequately trained for See instructions under the headings Personal protective equipment How to avoid kickback Cutting equipment and General working instructions Avoid situations where there is a risk of kickback See instructions under the heading Machine s safety equipment Use the recommended protective equipment and check its condition See instructions under the heading General working instructions Check that all the chain saw safety features are working See instructi
58. tions See instructions under the heading Technical data The only way to avoid kickback is to make sure that the kickback zone of the bar never touches anything By using cutting equipment with built in kickback reduction and keeping the chain sharp and well maintained you can reduce the effects of kickback Guide bar The smaller the tip radius the lower the chance of kickback Saw chain A chain is made up of a number of links which are available in standard and low kickback versions IMPORTANT No saw chain design eliminates the danger of kickback WARNING Any contact with a rotating saw chain can cause extremely serious injuries Z Some terms that describe the bar and chain 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 Guide bar e Length inches cm l L lt Number of teeth on bar tip sprocket T E e Chain pitch inches The spacing between the drive links of the chain must match the spacing of the teeth on the bar tip sprocket and drive sprocket Number of drive links The number of drive links is determined by the length of the bar the chain pitch and the number of teeth on the bar tip sprocket English 11
59. tures below 0 C 32 F some oils become too viscous This can overload the oil pump and result in damage to the oil pump components e Contact your service agent when choosing chain oil English 19 FUEL HANDLING Move the machine at least 3 m from the refuelling point before starting it Fueling WARNING Taking the following precautions will lessen the risk of fire 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 Always move the machine away from the refuelling area and source before starting Clean the area around the fuel cap Clean the fuel and chain oil tanks regularly The fuel filter must be replaced at least once a year Contamination in the tanks causes malfunction Make sure the fuel is well mixed by shaking the container before refuelling The capacities of the chain oil tank and fuel tank are carefully matched You should therefore always fill the chain oil tank and fuel tank at the same time WARNING Fuel and fuel vapour are highly flammable Take care when handling fuel and chain oil Be aware of the risks of fire explosion and those associated with inhalation Fuel safety Never refuel the machine while the engine is running Make s
60. ure there is plenty of ventilation when refuelling or mixing fuel petrol and 2 stroke oil 20 English 1 If you have spilt fuel or chain oil on the machine Wipe off the spillage and allow remaining fuel to evaporate 2 If you have spilt fuel on yourself or your clothes change your clothes Wash any part of your body that has come in contact with fuel Use soap and water 3 Ifthe machine is leaking fuel Check regularly for leaks from the fuel cap and fuel lines WARNING Never use a machine with visible damage to the spark plug guard and ignition cable A risk of sparking arises which can cause a fire Transport and storage Always store the chain saw and fuel so that there is no risk of leakages or fumes coming into contact with sparks or naked flames from electrical equipment electric motors relays switches boilers and the like Always store fuel in an approved container designed for that purpose For longer periods of storage or for transport of the chain saw the fuel and chain oil tanks should be emptied Ask where you can dispose of waste fuel and chain oil at your local petrol station The guide bar cover must always be fitted to the cutting attachment when the machine is being transported or in storage in order to prevent accident contact with the sharp chain Even a non moving chain can cause serious cuts to yourself or persons you bump into with an exposed chain Remove the spar
61. y After 1 minute running at 3 4 throttle you should see a distinct line of oil on the light surface If the chain lubrication is not working e Check that the oil channel in the bar is not obstructed Clean if necessary e Check that the groove in the edge of the bar is clean Clean if necessary e Check that the bar tip sprocket turns freely and that the lubricating hole in the tip sprocket is not blocked Clean and lubricate if necessary If the chain lubrication system is still not working after carrying out the above checks and associated measures you should contact your service agent Chain drive sprocket The clutch drum is fitted with one of the following drive sprockets A Spur sprocket the chain sprocket is welded on the drum B Rim sprocket replaceable O o Regularly check the degree of wear on the drive sprocket Replace if wear is excessive Replace the drive sprocket whenever you replace the chain Needle bearing lubrication Both versions of sprockets have a needle bearing on the drive shaft which has to be greased regularly once a week CAUTION Use a high quality bearing grease or engine oil See instructions under the heading Maintenance Needle bearing lubrication Checking wear on cutting equipment e Visible cracks in rivets and links e Whether the chain is stiff e Whether rivets and links are badly worn English 15 GENERAL SAFETY PRECAUTIONS Replace
62. ywheel inlet pipe and carburettor compartment Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by e Too low engine temperature e Icing of the air filter and carburettor Special measures are therefore often required e Partly mask the air inlet on the starter to increase the working temperature of the engine Temperature 0 C or colder The cylinder cover is designed so it can be adjusted for running in cold weather so that preheated air from the cylinder can pass into the carburettor space preventing icing of the air filter etc MAINTENANCE Temperature 5 C or colder For running the machine in cold weather or powder snow a special cover is available which is mounted on the starter housing This reduces the intake of cold air and prevents large amounts of snow from being sucked in CAUTION If the special winterising kit has been fitted or any measures have been taken to increase the temperature these changes must be reversed before the machine is used in normal temperature conditions Otherwise there is a risk of overheating resulting in severe damage to the engine IMPORTANT Any maintenance other than that described in this manual must be carried out by your servicing dealer retailer English 37 Maintenance schedule MAINTENANCE The following is a list of the maintenance steps that must be performed on the machine Most of

Husqvarna 340 Chainsaw User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents