Jonsered BC2043 Brush Cutter User Manual
Contents
1. Dear Customer Congratulations on your choice to buy a Jonsered product 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 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 operators manual as a valuable document By following its content using service maintenance etc the life span and the second hand value of the machine can be extended If you will sell this machine make sure that the buyer will get the operators manual Good luck on using your Jonsered machine Jonsered 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 Trimmer head Bevel gear Grease filler cap bevel gear Cord cutter Cutting attachment guard Guard extension Shaft Handle adjustment oO O N O 0 A W DN Throttle control 10 Stop switch 11 Start throttle button 12 Throttle lockout 13 Suspension ring 14 Clutch cover 15 Choke control 16 Cylinder cover WHAT ISWHAT 17 Air purge 18 Ai2. l I Y When cutting and sweeping you should use full throttle to obtain the best results 20 English MAINTENANCE Carburettor Adjusting the idle speed T Check that the air filter is clean When the idle speed is correct the cutting attachment should not rotate If adjustment is required close turn clockwise the idle adjustment screw T with the engine running until the cutting attachment starts to rotate Open turn anticlockwise the screw until the cutting attachment stops The idle speed is correctly set when the engine runs smoothly in all positions and there is a clear margin to the speed at which the cutting attachment starts to rotate WARNING If the idle speed cannot be adjusted so that the cutting attachment stops contact your dealer service workshop Do not use the machine until it has been correctly adjusted or repaired Muffler mu ES CAUTION Some mufflers are fitted with a catalytic converter See chapter on Technical data to see whether your machine is fitted with a catalytic converter 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 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 do
3. adequate noise reduction EYE PROTECTION Always wear approved eye protection If you use a visor then you must also wear approved protective goggles Approved protective goggles must comply with standard ANSI Z87 1 in the USA or EN 166 in EU countries GLOVES Gloves should be worn when necessary e g when fitting cutting attachments BOOTS Wear boots with steel toe caps and non slip sole CLOTHING Wear clothes made of a strong fabric and avoid loose clothing that can catch on twigs and branches Always wear heavy long pants Do not wear jewellery shorts sandals or go barefoot Secure hair so it is above shoulder level FIRST AID KIT Always have a first aid kit nearby It GENERAL SAFETY PRECAUTIONS Machine s safety equipment This section describes the machine s safety equipment its purpose and how checks and maintenance should be carried out to ensure that it operates correctly See the What is what section to locate where this equipment is positioned 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 IMPORTANT All servicing and repair work on the machine requires special training This is especially true of the machine s safety equipment If y
4. are to be used the machine must be equipped with the correct handlebar blade guard and harness Fitting the cord cutter and guard extension to the trimmer guard e Attach the cord cutter to the guard extension with screw and washer as shown Fit the guard extension to the trimmer guard as shown 12 English Fitting a blade guard grass blade and grass cutter aloo plo e Fit the guard A to the gear housing using the support plate M and two screws L e Fit the drive disc B on the output shaft e Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing e Insert the locking pin C in the hole to lock the shaft e Place the blade D support cup E and support flange F on the output shaft e Fit the nut G The nut must be tightened to a torque of 35 50 Nm 3 5 5 kpm Use the socket spanner in the tool kit Hold the shaft of the spanner as close to the blade guard as possible To tighten the nut turn the spanner in the opposite direction to the direction of rotation Caution left hand thread ASSEMBLY Fitting other guards and cutting Standard harness attachments gt Quick release At the front is an easily accessible quick release Use this if the engine catches fire or in any other emergency situation Fit the guard A to the gear housing using the support that requires you to free yourself from the machine an
5. in the tank can cause operating problems Ensure that the fuel is well mixed by shaking the container before filling the tank am um Min 3 10 ft English 15 STARTING AND STOPPING Check before starting Starting and stopping e Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole The most WARNING The complete clutch cover and common reason why cracks are formed is that sharp shaft must be fitted before the machine is corners have been formed at the bottom of the teeth while started otherwise the clutch can come loose sharpening or that the blade has been used with dull and cause personal injury teeth Discard a blade if cracks are found Always move the machine away from the refuelling area before starting Place the machine on a flat surface Ensure the cutting attachment cannot come into contact with any object yt Make sure no unauthorised persons are in the working area otherwise there is a risk of e Check that the support flange is not cracked due to fatigue Satan pore hh Tre cel TEEGEE or due to being tightened too much Discard the support flange if it is cracked is 15 metres Starting e Ensure the locking nut has not lost its captive force The Cold engine nut lock should have a locking force of at least 1 5 Nm The tightening torque of the locking nut should be 35 50 Ignition Set the stop switch to the start position Nm e Ch
6. technical documentation English 25 E 4 lt P oly Trim Tap n Go 35 Spin N EE Tap n Go 45 Spin N FIE Tap n Go 55 Spin N gt 15 cm 5 9 Trimmy SII LLI Trimmy SII 15cm 6 1152665 26 PA AA 20091100
7. 01 Polytrim 300 mm Separate blades f Plastic blades have part number 531 01 77 15 523 09 54 01 Tap N Go 35 Spin 2 4 3 0 mm cord 523 09 54 01 Tap N Go 45 Spin 2 7 3 3 mm cord 523 09 54 01 Trimmer head Tap N Go 55 Spin 2 7 3 3 mm cord 523 09 54 01 Trimmy S II 2 4 3 3 mm cord 523 09 54 01 Support cup LI IN EC declaration of conformity Applies to Europe only We Husqvarna AB SE 561 82 Huskvarna Sweden tel 46 36 146500 declare that the brush cutters Jonsered BC2043 and BC2053 with serial numbers dating from 2009 onwards the year is clearly stated on the rating plate followed by the serial number comply with the requirements of the COUNCILS DIRECTIVE 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 Conformity assessment according to Annex V For information relating to noise emissions see the chapter Technical data The following standards have been applied EN ISO 12100 2 2003 CISPR 12 2007 EN ISO 11806 2008 SMP Svensk Maskinprovning AB Fyrisborgsgatan 3 SE 754 50 Uppsala Sweden has performed voluntary type examination on behalf of Husqvarna AB The certificates are numbered SEC 09 2065 Huskvarna December 29 2009 Bo Jonsson Development manager Authorized representative for Husqvarna AB and responsible for
8. 7 Operators manual Please read the operators manual carefully and RE make sure you understand the instructions before using the machine KEY TO SYMBOLS Symbols Only use non metallic flexible cutting ANN Aceangi Sam UPCE es attachments i e trimmer heads with trimmer can be dangerous if used l trimmer cord incorrectly or carelessly and can cause serious or fatal injury to the operator or N others lt is extremelv important that vou read and understand the contents of this Noise emission to the environment L operators manual according to the European Communitv s Directive The machine s emission is specified in chapter Technical data and on dB Please read the operators manual label carefully and make sure you understand LL the instructions before using the machine z Other symbols decals on the machine refer to Always wear special certification requirements for certain markets e A protective helmet where there is a risk of falling objects Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance e Approved hearing protection e Approved eye protection Max speed of output shaft rom max Always wear approved protective gloves 10000 rpm This product is in accordance with sa applicable EC directives Regular cleaning is required Watch out for thrown objects and ricochets Visual check The operator of the machin
9. A damaged air filter must always be replaced 22 English Bevel gear Pe The bevel gear is filled with the right amount of grease at the factory However before using the machine you should check that the bevel gear is filled 3 4 full with grease Use JONSERED special grease The grease in the bevel gear does not normally need to be changed except if repairs are carried out Spark plug Pe The spark plug condition is influenced by e Incorrect carburettor adjustment e An incorrect 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 6 0 7 mm The spark plug should be replaced after about a month in operation or earlier if necessary 0 6 0 7 mm CAUTION 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 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 The user must only carry out the maintenance and se
10. ISO EGB formulated for air cooled two stroke engines Two stroke oil litre Petrol litre 2 1 50 3 1 33 me a oe e jw joe FUEL HANDLING Mixing Fuelling e Al ili iner ways mix the petrol and oil in a clean container intended for fuel gt 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 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 If the machine is not used for some time the fuel tank should be emptied and cleaned WARNING The catalytic converter 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 Taking the following precautions will lessen the risk of fire Do not smoke or place hot objects near fuel Always shut off the engine before refuelling 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 before starting Always use a fuel container with an anti spill valve Clean the area around the fuel cap Contamination
11. ange your clothes Wash any part of your body that has come in contact with fuel Use soap and water 3 If the machine is leaking fuel Check regularly for leaks from the fuel cap and fuel lines Transport and storage e Store and transport the machine and fuel so that there is no risk of any leakage or fumes coming into contact with sparks or naked flames for example from electrical machinery electric motors electrical relays switches or boilers e When storing and transporting fuel always use approved containers intended for this purpose e When storing the machine for long periods the fuel tank must be emptied Contact your local petrol station to find out where to dispose of excess fuel e Ensure the machine is cleaned and that a complete service is carried out before long term storage e The transport guard must always be fitted to the cutting attachment when the machine is being transported or in storage e Secure the machine during transport WARNING Take care when handling fuel Bear in mind the risk of fire explosion and inhaling fumes Fuel NB The machine is equipped with a two stroke engine and must always been 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 Fuel and f
12. d plate M and two screws L harness Fit the drive disc B on the output shaft Spreading the load on your shoulders e Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing A well adjusted harness and machine makes work much easier Adjust the harness for the best working position Insert the locking pin C in the hole to lock the shaft Tension the side straps so that the weight is evenly distributed Screw on the trimmer head H in the opposite direction to across both shoulders the direction of rotation e To dismantle follow the instructions in the reverse order Correct height Adjusting the harness and clearing Adjust the shoulder strap so that the cutting attachment is Saw parallel to the ground WARNING When using a clearing saw it must always be hooked securely to the harness Otherwise you will be unable to control the clearing saw safely and this can result in injury to yourself or others Never use a harness with a defective quick release Correct balance Let the cutting attachment rest lightly on the ground Adjust the position of the suspension ring to balance the clearing saw correctly English 13 FUEL HANDLING Fuel safety Never start the machine 1 If you have spilt fuel on it Wipe off the spillage and allow remaining fuel to evaporate 2 If you have spilt fuel on yourself or your clothes ch
13. e and check that the cutting attachment stops and remains at a standstill If the cutting attachment rotates with the throttle in the idle position then the carburettor idle setting must be checked See instructions under the heading Maintenance Stop switch Use the stop switch to switch off the engine Start the engine and make sure the engine stops when you move the stop switch to the stop setting Cutting attachment guard This guard is intended to prevent loose objects from being thrown towards the operator The guard also protects the operator from accidental contact with the cutting attachment Check that the guard is undamaged and not cracked Replace the guard if it has been exposed to impact or is cracked English GENERAL SAFETY PRECAUTIONS Always use the recommended guard for the cutting attachment you are using See chapter on Technical data WARNING Never use a cutting attachment without an approved guard See the chapter on Technical data If an incorrect or faulty guard is fitted this can cause serious personal injury Vibration damping system Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier z AD Using incorrectly wound cord or a blunt or incorrect cutting attachment wrong type or incorrectly filed see instructions under the heading Filing the blade increases the level of vibration The machine s
14. e must ensure while working that no persons or animals come closer than 15 metres Approved eye protection must always be used Machines fitted with saw blades or grass blades can be thrown violently to the side when the blade comes into contact with a fixed object This is called blade thrust The blade is capable of amputating an arm or leg Always keep people and animals at least 15 metres from the machine Arrows which show limits for handle positioning Always wear approved protective gloves Wear sturdy non slip boots 2 English CONTENTS Contents KEY TO SYMBOLS Sn A E i 2 CONTENTS 010 pija L 3 Note the following before starting 3 INTRODUCTION Dear Customer eeueeaa aaa aaa aaa aaa aaa aa nennen 4 WHAT IS WHAT What iS what seccccccsedacciencwtensedaccecusrandincaaiebaccoosueseeieentions 3 GENERAL SAFETY PRECAUTIONS TIO Ai LP NNW 6 Personal protective equipment ss eenennzennnzzzzni 6 Machine s safety equipment esssaaaaa aa aaaaasaaa naa 7 Cutting equipment uni ee 9 ASSEMBLY Fitting the main body LL ena nnnann nanna mnn 11 Fitting the handlebar e nnnennnnnnnnnnznnnnnnnnnnna 11 Connecting throttle cable and stop switch wires 11 Assembling the cutting equipment 2 2 1112122 12 Adjusting the harness and clearing Saw 13 Standard harness sssseeennenzennnnn
15. e should be at least twice the tree height and no less than 15 metres 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 WARNING Running an engine in a confined or badly ventilated area can result in death due to asphyxiation or carbon monoxide poisoning Personal protective equipment IMPORTANT A clearing saw brushcutter or trimmer can be dangerous If used incorrectly or carelessly and can cause serious or fatal injury to the operator or others It is extremely important that you read and understand the contents of this operator s manual 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 6 English WARNING Listen out for warning signals or shouts when you are wearing hearing protection Always remove your hearing protection as soon as the engine stops HELMET A protective helmet where there is a risk of falling objects HEARING PROTECTION Wear hearing protection that provides
16. eck that the blade guard is not damaged or cracked Replace the blade guard if it is exposed to impact or is Primer bulb Press the air purge repeatedly until fuel begins to fill the bulb The bulb need not be completely filled e Check that the trimmer head and trimmer guard are not damaged or cracked Replace the trimmer head or trimmer guard if they have been exposed to impact or are cracked e Never use the machine without a guard nor with a defective guard e All covers must be correctly fitted and undamaged before you start the machine 16 English STARTING AND STOPPING Warm engine Use the same starting procedure as for a cold engine but without setting the choke control in the choke position WARNING When the engine is started with the choke in either the choke or start throttle positions the cutting attachment will start to rotate immediately Hold the body of the machine on the ground using your left hand CAUTION Not with your foot Grip the starter handle slowly pull out the cord with your right hand until you feel some resistance the starter pawls grip now quickly and powerfully pull the cord Never twist the starter cord around your hand Repeat pulling the cord until the engine starts When the engine starts return choke control to run position CAUTION Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended Thi
17. ed for cutting coarse grass General rules Only use cutting attachments with the guards we recommend See the chapter on Technical data N L N gt ma English 9 GENERAL SAFETY PRECAUTIONS Keep the teeth of the blade correctly sharpened Follow our instructions and use the recommended file gauge An incorrectly sharpened or damaged blade increases the risk of Trimmer head accidents IMPORTANT Always ensure the trimmer cord is wound tightly and evenly yy around the drum otherwise the machine will generate O harmful vibration e Only use the recommended trimmer heads and trimmer cords These have been tested by the manufacturer to suit a particular engine size This is especially important when a fully automatic trimmer head is used Only use the recommended cutting attachment See the chapter on Technical data Check the cutting attachment for damage or cracks A damaged cutting attachment should always be replaced Sm gt gt I e Smaller machines generally require small trimmer heads and vice versa his is because when clearing using a Sharpening grass cutters and grass cord the engine must throw out the cord radially from the trimmer head and overcome the resistance of the grass blades being cleared gt e The length of the cord is also important A longer cord requires greater engine power than a shorter cord of the same diamete
18. hat have a warm and dry climate there is a significant risk of fire We therefore fit certain mufflers with a spark arrestor mesh Check whether the muffler on your machine is fitted with this kind of mesh For mufflers it is very important that you follow the instructions on checking maintaining and servicing your machine Never use a machine that has a faulty muffler GENERAL SAFETY PRECAUTIONS Regularly check that the muffler is securely attached to the machine If the muffler on your machine is fitted with a spark arrestor mesh this must be cleaned regularly A blocked mesh will cause the engine to overheat and may lead to serious damage WARNING Mufflers fitted with catalytic converters get very hot during use and remain so for some time after stopping This also applies at idle speed Contact can result in burns to the skin Remember the risk of fire WARNING The inside of the muffler contain chemicals that may be carcinogenic Avoid contact with these elements in the event of a damaged muffler WARNING Bear in mind that 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 Locking nut A locking nut is used to secure some types of cutting attachment When fitting tighten the nut in the opposite direction to the direction of rotation of the cutting attachme
19. ised persons at a distance Children animals onlookers and helpers should be kept outside the safety zone of 15 m Stop the machine immediately if anyone approaches Never swing the machine around without first checking behind you to make sure no one is within the safety zone Basic working techniques Always slow the engine to idle speed after each working operation Long periods at full throttle without any load on the engine can lead to serious engine damage 5 Keep a good balance and a firm foothold WARNING Sometimes branches or grass get caught between the guard and cutting attachment Always stop the engine before cleaning 18 English WORKING TECHNIQUES WARNING Machines fitted with saw blades Grass trimming with a trimmer head or grass blades can be thrown violently to the side when the blade comes into contact with a fixed object This is called blade thrust A blade thrust can be violent enough to cause the machine and or operator to be Trimming propelled in any direction and possibly lose control of the machine Blade thrust can occur without warning if the machine snags e Hold the trimmer head just above the ground at an angle It is the end of the cord that does the work Let the cord work at its own pace Never press the cord into the area stalls or binds Blade thrust is more likely to to be cut occur in areas where it is difficult to see the material being cut Avoid cut
20. learing grass the When trimming and clearing you should use less than full grass will collect in a line which makes it easier to collect throttle so that the cord lasts longer and to reduce the e g by raking wear on the trimmer head e Try to work rhythmically Stand firmly with your feet apart Cutting Move forward after the return stroke and stand firmly m m again e The trimmer is ideal for cutting grass that is difficult to reach using a normal lawn mower Keep the cord parallel Letthe support cup rest lightly against the ground It is to the ground when cutting Avoid pressing the trimmer used to protect the blade from hitting the ground head against the ground as this can ruin the lawn and Reduce the risk of material wrapping around the blade by damage the tool following these instructions 1 Always work at full throttle 2 on previously cut material during the return y E TATI Do not allow the trimmer head to constantly come into contact with the ground during normal cutting Constant contact of this type can cause damage and wear to the trimmer head e Stop the engine unclip the harness and place the machine on the ground before you start to collect the cut material English 19 WORKING TECHNIQUES Sweeping e The fan effect of the rotating cord can be used for quick and easy clearing up Hold the cord parallel to and above the area to be swept and move the tool to and fro 4 L I
21. lfunctions e Starting problems e Loss of engine power e Unnecessary wear to engine parts English 21 MAINTENANCE e Excessive fuel consumption Clean the filter every 25 hours or more regularly if conditions are exceptionally dusty Cleaning the air filter Remove the air filter cover and take out the filter Wash it clean in warm soapy water Ensure that the filter is dry before refitting it An air filter that has been in use for a long time cannot be cleaned completely The filter must therefore be replaced with a new one at regular intervals A damaged air filter must always be replaced If the machine is used in dusty conditions the air filter should be soaked in oil See instructions under the heading Oiling the air filter Oiling the air filter gt ES Always use special filter oil Filter oil contains a solvent to make it spread evenly through the filter You should therefore avoid skin contact Put the filter in a plastic bag and pour the filter oil over it Knead the plastic bag to distribute the oil Squeeze the excess oil out of the filter inside the plastic bag and pour off the excess before fitting the filter to the machine Never use common engine oil This would drain through the filter quite quickly and collect in the bottom An air filter that has been in use for a long time cannot be cleaned completely The filter must therefore be replaced with a new one at regular intervals
22. ne witha wire brush On mufflers without a catalytic converter the mesh should be cleaned weekly or replaced if necessary On mufflers fitted with a catalytic converter the mesh should be checked and if necessary cleaned monthly If the mesh is damaged it should be replaced If the mesh is frequently blocked this can be a sign that the performance of the catalytic converter is impaired Contact your dealer to inspect the muffler A blocked mesh will cause the machine to overheat and result in damage to the cylinder and piston CAUTION Never use a machine with a defective muffler WARNING Mufflers fitted with catalytic converters get very hot during use and remain so for some time after stopping This also applies at idle speed Contact can result in burns to the skin Remember the risk of fire Cooling system To keep the working temperature as low as possible the machine is equipped with a cooling system The cooling system consists of 1 Air intake on the starter 2 Fins on the flywheel 3 Cooling fins on the cylinder 4 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 Air filter ES The air filter must be regularly cleaned to remove dust and dirt in order to avoid e Carburettor ma
23. nt To remove it undo the nut in the same direction as the cutting attachment rotates CAUTION The nut has a left hand thread Tighten the nut using the socket spanner The nylon lining inside the locking nut must not be so worn that you can turn it by hand The lining should offer a resistance of at least 1 5 Nm The nut should be replaced after it has been put on approx 10 times Cutting equipment This section describes how to choose and maintain your cutting equipment in order to e Reduce the risk of blade thrust e Obtain maximum cutting performance e Extend the life of cutting equipment IMPORTANT Only use cutting attachments with the guards we recommend See the chapter on Technical data Refer to the instructions for the cutting attachment to check the correct way to load the cord and the correct cord diameter Keep the teeth of the blade correctly sharpened Follow our recommendations Also refer to the instructions on the blade packaging WARNING Always stop the engine before doing any work on the cutting attachment This continues to rotate even after the throttle has been released Ensure that the cutting attachment has stopped completely and disconnect the HT lead from the spark plug before you start to work on it WARNING Using an incorrect cutting attachment or an incorrectly sharpened blade increases the risk of blade thrust Cutting equipment Grass blades and grass cutters are intend
24. nzzsnnnnzzenmnnzznzznzzzzzz 13 FUEL HANDLING FUCLSGIEIY neusten 14 A A 14 o ena E cae etaoee eevee 15 STARTING AND STOPPING Check before starting ccccccccccconocccononcconononononononanons 16 Starting and stopping sse ennennnnzznnnnnnnnznnnnznnnnn zz nn 16 WORKING TECHNIQUES General working instructions sssseeeeennnnzennnzzzznnnnnzzn 18 MAINTENANCE Carburettor een ee 21 MOMO Sean ee 21 Cooling system este een 21 PAN ji OPP EEE 21 Bevel GEAT Z ae 22 EPA PIU a 22 Maintenance schedule uesaaaaaaa aa nennen 23 TECHNICAL DATA Cer e ve R 24 EC declaration of conformity cccccccccccccocononnncnnnnnnonnnos 25 Note the following before starting Please read the operators manual carefully WARNING 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 genuine accessories Non authorized modifications and or accessories can result in serious personal injury or the death of the operator or others WARNING A clearing saw brushcutter or trimmer can be dangerous if used incorrectly or carelessly and can cause serious or fatal injury to the operator or others It is extremely important that you read and understand the contents of this operator s manual English 3 INTRODUCTION
25. our machine fails any of the checks described below you must contact your service agent When you buy any of our products we guarantee the availability of professional repairs and service If the retailer who sells your machine is not a servicing dealer ask him for the address of your nearest service agent WARNING Never use a machine with faulty safety equipment The machine s safety equipment must be checked and maintained as described in this section If your machine fails any of these checks contact your service agent to get it repaired 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 release the handle the throttle control and the throttle lockout both move back to their original positions This movement is controlled by two independent return springs This arrangement means that the throttle control is automatically locked at the idle setting 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 control and throttle lockout move freely and that the return springs work properly See instructions under the heading Start Start the machine and apply full throttle Release the throttl
26. r e See the cutting attachment packaging for correct sharpening instructions Sharpen blades and cutters using a single cut flat file Sharpen all edges equally to maintain the balance of the blade e Make sure that the cutter on the trimmer guard is intact This is used to cut the cord to the correct length To increase the life of the cord it can be soaked in water for a couple of days This will make the line tougher so that it lasts longer WARNING Always discard a blade that is bent twisted cracked broken or damaged in any other way Never attempt to straighten a twisted blade so that it can be reused Only use original blades of the specified type 10 English ASSEMBLY Fitting the main body Connect the engine A to the tube B with four screws C Fitting the handlebar e Fit the handlebar in the handlebar clamp on the shaft using Six Screws e Put on the harness and hang the machine from the support hook Now make a final adjustment so that the machine is in a comfortable working position when it hangs from the harness Connecting throttle cable and stop switch wires 1 Remove the air filter cover 2 Insert the throttle cable A through the carburettor bracket B then screw the cable adjuster sleeve C into the carburettor bracket fully 3 Position the slotted fitting D on the carburettor so the recessed hole E for the cable lug F is away from the cable adj
27. r filter cover 19 Fuel tank 20 Starter handle 21 Transport guard 22 Socket spanner 23 Spanner 24 Locking pin 25 Locking nut 26 Support flange 27 Support cup 28 Blade 29 Drive disc 30 Harness 31 Operator s manual 32 Handlebar English 5 GENERAL SAFETY PRECAUTIONS Important IMPORTANT The machine is only designed for trimming grass The only accessories you can operate with this engine unit are the cutting attachments we recommend in the chapter on Technical data Never use the machine if you are tired if you have drunk alcohol or if you are taking medication that could affect your vision your judgement or your co ordination Wear personal protective equipment See instructions under the heading Personal protective equipment Never use a machine that has been modified in any way from its original specification 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 heading Maintenance All covers guards and handles must be fitted before Starting Ensure that the spark plug cap and ignition lead are undamaged to avoid the risk of electric shock The machine operator must ensure that no people or animals come closer than 15 metres while working When several operators are working in the same area the safety distanc
28. rvice work described in this Operator s Manual More extensive work must be carried out by an authorized service workshop Daily Weekly Monthly Maintenance y l s maintenance maintenance maintenance Clean the outside of the machine X PA Check that the harness is not damaged T Make sure the throttle trigger lock and the throttle function correctiv from a safetv point of view Check that the handle and handlebar are undamaged and secured correctiv Check that the stop switch works correctiv Check that the cutting attachment does not rotate at idle Clean the air filter Replace if necessarv Check that the guard is undamaged and not cracked Replace the guard if it has been exposed to impact or is cracked Check that the blade is correctly centred is sharp and is not cracked An off centre blade will cause vibration that could result in damage to the machine Check that the trimmer head is undamaged and not cracked Replace the trimmer head if necessary Check that the locking nut of the cutting equipment is tighten correctly Check that the transport guard for the blade is intact and that it can be secured correctly Clean the outside of the spark plug Remove it and check the electrode gap Adjust the gap to 0 5 mm or replace the spark plug Check that the spark plug is fitted with a Suppressor Clean the machine s cooling system Clean or replace the spark arrestor mesh on the muffler only applies to mufflers
29. s can damage the machine CAUTION Do not put any part of your body in marked area Contact can result in burns to the skin or electrical shock if the spark plug cap has been damaged Always use gloves Do not use a machine with damaged spark plug cap Stopping Stop the engine by switching off the ignition English 1 WORKING TECHNIQUES General working instructions IMPORTANT This section describes the basic safety precautions for working with clearing saws and trimmers If you encounter a situation where you are uncertain how to proceed you should ask an expert Contact your dealer or your service workshop Avoid all usage which you consider to be beyond your capability You must understand the difference between forestry clearing grass clearing and grass trimming before use Basic safety rules MO 1 Look around you To ensure that people animals or other things cannot affect your control of the machine To ensure that people animals etc do not come into contact with the cutting attachment or loose objects that are thrown out by the cutting attachment NB Do not use the machine unless you are able to call for help in the event of an accident Inspect the working area Remove all loose objects such as stones broken glass nails steel wire string etc that could be thrown out or become wrapped around the cutting attachment Do not use the machine in bad weather
30. such as dense fog heavy rain strong wind intense cold etc Working in bad weather is tiring and often brings added risks such as icy ground unpredictable felling direction etc Make sure you can move and stand safely Check the area around you for possible obstacles roots rocks branches ditches etc in case you have to move suddenly Take great care when working on sloping ground Always hold the machine with both hands Hold the machine on the right side of your body Keep the cutting attachment below waist level Switch off the engine before moving to another area Fit the transport guard before carrying or transporting the equipment any distance Never put the machine down with the engine running unless you have it in clear sight WARNING Neither the operator of the machine nor anyone else may attempt to remove the cut material while the engine is running or the cutting equipment is rotating as this can result in serious injury Stop the engine and cutting equipment before you remove material that has wound around the blade shaft as otherwise there is a risk of injury The bevel gear can get hot during use and may remain so for a while afterwards You could get burnt if you touch it WARNING Watch out for thrown objects Always wear approved eye protection Never lean over the cutting attachment guard Stones rubbish etc can be thrown up into the eyes causing blindness or serious injury Keep unauthor
31. ting with the area of the blade between the 12 o clock and 3 o clock positions Because of the speed of rotation W of the blade blade thrust can occur if you attempt to cut thick stems with this area of e The cord can easily remove grass and weeds up against the blade walls fences trees and borders however it can also damage sensitive bark on trees and bushes and damage fence posts Woli MANNY N Grass clearing using a grass blade e Reduce the risk of damaging plants by shortening the cord to 10 12 cm and reducing the engine speed Clearing e Grass blades and grass cutters must not be used on woody stems e The clearing technique removes all unwanted vegetation Keep the trimmer head just above the ground and tilt it Let e A grass blade is used for all types of tall or coarse grass the end of the cord strike the ground around trees posts The grass is cut down with a sideways swinging statues and the like CAUTION This technique increases movement where the movement from right to left is the the wear on the cord clearing stroke and the movement from left to right is the return stroke Let the left hand side of the blade between J 8 and 12 o clock do the cutting e The cord wears quicker and must be fed forward more often when working against stones brick concrete metal fences etc than when coming into contact with trees and wooden fences e If the blade is angled to the left when c
32. uel fumes are highly inflammable and can cause serious injury when inhaled or allowed to come in contact with the skin For this reason observe caution when handling fuel and make sure there is adequate ventilation 14 English Petrol BJ AE NB Always use a quality petrol oil mixture at least 90 octane RON If your machine is equipped with a catalytic converter see chapter on Technical data always use a good quality unleaded petrol oil mixture Leaded petrol will destroy the catalytic converter Use low emission petrol also known as alkylate petrol if it is available e The lowest octane recommended 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 which can result in serious engine damage e When working at continuous high revs a higher octane rating is recommended Two stroke oil e For best results and performance use JONSERED two stroke engine oil which is specially formulated for our air cooled two stroke engines e 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 e Mixing ratio 1 50 2 with JONSERED two stroke oil 1 33 3 with oils class JASO FB or
33. ure level at the operator s ear measured according to EN ISO 11806 and ISO 22868 dB A Equipped with grass blade original 94 95 Equipped with trimmer head original 96 96 Vibration levels see note 3 Equivalent vibration levels ayy eq at handles measured according to EN ISO 11806 and ISO 22867 m s Equipped with grass blade original left right 3 8 4 4 6 2 5 3 Equipped with trimmer head original left right 5 6 5 3 4 7 5 3 Note 1 Noise emissions in the environment measured as sound power Lwa In conformity with EC directive 2000 14 EC Reported sound power level for the machine has been measured with the original cutting attachment that gives the highest level The difference between guaranteed and measured sound power is that the guaranteed sound power also includes dispersion in the measurement result and the variations between different machines of the same model according to Directive 2000 14 EC Note 2 Reported data for equivalent sound pressure level for the machine has a typical statistical dispersion standard deviation of 1 dB A Note 3 Reported data for equivalent vibration level has a typical statistical dispersion standard deviation of 1 m s 24 English TECHNICAL DATA Approved accessories Cutting attachment guard Art no Out sat reed Mi eee Multi 255 4 0 255 4 teeth 923 09 54 01 Grass blade grass cutter Multi 275 4 O 275 4 teeth 523 09 54 01 Multi 300 3 0 300 3 teeth 923 09 54
34. uster sleeve 4 Rotate the carburettor throttle cam and slip the throttle cable through the slot in the slotted fitting making sure the cable lug drops into the recessed hole 5 Operate the throttle trigger a few times to make sure that it works correctly 6 Adjust the cable adjuster sleeve so the stop on the carburettor throttle cam just contacts the throttle stop and the cable position keep 1 2 mm play between the cable lug and the slotted fitting when the throttle trigger is fully depressed 1 2mm 7 When the throttle cable is adjusted correctly tighten the locking nut G 8 Plug the stop switch wires H into the matching connectors from the engine Note that wire polarity is not SF ZA English 1 1 ASSEMBLY 9 Lap and fix the stop switch wires and connectors with clamp I 10 Refit the air filter cover Assembling the cutting equipment WARNING When fitting the cutting attachment it is extremely important that the raised section on the drive disc support flange engages correctly in the centre hole of the cutting attachment If the cutting attachment is fitted incorrectly it can result in serious and or fatal personal injury WARNING Never use a cutting attachment without an approved guard See the chapter on Technical data If an incorrect or faulty guard is fitted this can cause serious personal injury IMPORTANT If a saw blade or grass blade
35. vibration damping system reduces the transfer of vibration between the engine unit cutting equipment and the machine s handle unit Regularly check the vibration damping units for cracks or deformation Check that the vibration damping element is undamaged and securely attached WARNING Overexposure to vibration 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 The risk increases at low temperatures 8 English Quick release There is an easily accessible quick release fitted at the front as a safety precaution in case the engine catches fire or in any other situation that requires you to free yourself from the machine and harness See instructions under the heading Adjusting the harness and clearing saw Check that the harness straps are correctly positioned Once the harness and machine have been adjusted check that the harness quick release works correctly Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user A muffler fitted with a catalytic converter is also designed to reduce harmful exhaust gases In countries t
36. without a catalytic converter Clean the outside of the carburettor and the space around it Check that the bevel gear is filled three quarters full with lubricant Fill if necessary using special grease Check the fuel filter from contamination and the fuel hose from cracks or other defects Replace if necessary Check all cables and connections Check the clutch clutch springs and the clutch drum for wear Replace if necessary by an autorized service workshop Replace the spark plug Check that the spark plug is fitted with a suppressor Check and clean the spark arrestor mesh on the muffler only applies to mufflers fitted with a catalytic converter English 23 TECHNICAL DATA Technical data BC2043 BC2053 Engine Cylinder displacement cm 41 5 49 9 Cylinder bore mm 40 43 9 Stroke mm 33 33 Idle speed rpm 2600 2600 Recommended max speed rom 10400 10400 Speed of output shaft rom 8060 8060 Max engine output acc to ISO 8893 kW rom 1 77 7500 1 91 7500 Catalytic converter muffler No No Speed regulated ignition system No No Ignition system Spark plug NGK BPMR 6Y NGK BPMR 6Y Electrode gap mm 0 6 0 7 0 6 0 7 Fuel and lubrication system Fuel tank capacity litre 1 0 150 Weight Weight without fuel cutting attachment and guard kg 7 8 7 8 Noise emissions see note 1 Sound power level measured dB A 109 109 Sound power level guaranteed Lwa dB A 111 111 Noise levels see note 2 Equivalent sound press
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