Husqvarna 235F Brush Cutter User Manual
Contents
1. 6 English 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 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 helmet should be worn if the trees being cleared are taller than 2 m Wear hearing protection that provides 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 287 1 in the USA or EN 166 in EU countries GLOVES Gloves should be worn when necessary e g when fitting cutting attachments GENERAL SAFETV PRECAUTIONS 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 Alwavs wear he2. e Hook the blade guard combination guard A onto the fitting on the shaft and secure with the bolt CAUTION Ensure that the guard extension is removed Use the recommended blade guard See the Technical data section e Fit the drive disc B on the output shaft 14 English ASSEMBLV CAUTIONI Alwavs use the recommended guard for the cutting attachment vou are using See chapter on Technical data Fit the drive disc B on the output shaft Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing Insert the locking pin C in the hole to lock the shaft Place the blade D and support flange F on the output shaft 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 When loosening and tightening the saw blade nut there is a risk of injury from the teeth of the saw blade You should therefore always ensure that your hand is shielded by the blade guard when doing this Always use a socket spanner with a shaft that is long enough to allow this The arrow in the diagram shows the area where you should operate the socket spanner when loosening or tightening the nut Fitting the t
3. Press the air purge repeatedly until fuel begins to fill the bulb The bulb need not be completely filled 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 Repeat pulling the cord until the engine starts When the engine starts return choke control to run position and apply full throttle the throttle will automatically disengage from the start setting CAUTION Do nat pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended This can damage the machine For throttle handles with a start throttle lock Set the throttle to the start position by first pressing the throttle lockout and the throttle trigger then pressing the start throttle button A Then release the throttle lockout and the throttle trigger followed by the start throttle button The throttle function is now activated To return the engine to idle press the throttle lockout and throttle trigger again Stopping Stop the engine by switching off the ignition English 21 WORKING TECHNIQUES General working instr
4. Thin stems and brush are mown down Work with a sawing movement swinging sideways Try to cut several stems in a single sawing movement With groups of hardwood stems first clear around the group Start by cutting the stems high up around the outside of the group to avoid jamming Then cut the stems to the required height Now try to reach in with the blade and cut from the centre of the group If it is still difficult to gain access cut the stems high up and let them fall This will reduce the risk of jamming Grass clearing using a grass blade yo Grass blades and grass cutters must not be used on woody stems A grass blade is used for all types of tall or coarse grass The grass is cut down with a sideways swinging movement where the movement from right to left is the clearing stroke and the movement from left to right is the return stroke Let the left hand side of the blade between 8 and 12 o clock do the cutting If the blade is angled to the left when clearing grass the grass will collect in a line which makes it easier to collect e g bv raking Try to work rhythmically Stand firmly with your feet apart Move forward after the return stroke and stand firmly again Let the support cup rest lightly against the ground It is used to protect the blade from hitting the ground Reduce the risk of material wrapping around the blade by following these instructions 1 Always work at full throttle 2
5. 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 distance 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 ina confined or badly ventilated area can result in death due to asphyxiation or carbon monoxide poisoning
6. Avoid the previously cut material during the return stroke Stop the engine unclip the harness and place the machine on the ground before you start to collect the cut material Grass trimming with a trimmer head Trimming 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 to be cut W WI WN AAW a The cord can easily remove grass and weeds up against walls fences trees and borders however it can also damage sensitive bark on trees and bushes and damage fence posts Reduce the risk of damaging plants by shortening the cord to 10 12 cm and reducing the engine speed Clearing The clearing technique removes all unwanted vegetation Keep the trimmer head just above the ground and tilt it Let the end of the cord strike the ground around trees posts statues and the like CAUTION This technique increases the wear on the cord 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 English 25 WORKING TECHNIQUES e When trimming and clearing you should use less than full throttle so that the cord lasts longer and to reduce the wear on the trimmer head Cutting e The trimmer is ideal for cutting grass that is difficult to reach using a normal lawn mower K
7. 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 2005 EN ISO 11806 1997 SMP Svensk Maskinprovning AB Fyrisborgsgatan 3 SE 754 50 Uppsala Sweden has carried out voluntary type approval for Husqvarna AB The certificates have the numbers SEC 09 2167 01 164 050 Huskvarna December 29 2009 Bo Jonsson Development manager Authorized representative for Husqvarna AB and responsible for technical documentation 32 English E T35 T35x II 095 106 DL IR T45x T45 00 2 7 mm 9 0 m 3 0 mm 7 5 m 3 3 mm 6 0 m Trimmy SII Trimmy SII LLI 15cm 6 Original instructions 1153284 26
8. Os 10 death of the operator or others ASSEMBLY Fitting the manda el EaR A A HE 18 WARNINGI A clearing saw brushcutter Transport position handlebar aseene 13 or trimmer can be dangerous if used Assembling the cutting equipment 14 incorrectiv or carelessly and can cause Fitting a blade guard grass blade and grass cutter 14 serious or fatal injury to the operator or es others It is extremely important that you Fitting the blade guard and saw blade 14 read and understand the contents of this Fitting the trimmer guard and trimmer head Trimmy operator s manual ee ee ee 15 Fitting other guards and cutting attachments 16 Adjusting the harness and brush cutter 16 FUEL HANDLING FUEL Safety anidar e ana 18 SP E esse 18 A 19 STARTING AND STOPPING Check before starting nn 20 Starting and stopping nennen 20 WORKING TECHNIQUES General working instructions e er 22 MAINTENANCE Carburettor p pla 27 Mutilen A 28 Cooling system ee 28 Bevel gear een 28 PAN i Li KKK 29 A A 29 Maintenance schedule e eneennzzzennnenzeni 30 TECHNICAL DATA Technical data u 31 EC declaration of conformity 32 English 3 INTRODUCTION Dear Customer Congratulations on your choice to buy a Husqvarna product Husqvarna is based on a tradition that dates back to 1689 when the Swedish King Karl XI ordered the construction of a factory on the banks of the Husqvarna River for p
9. coarse grass General rules Only use cutting attachments with the guards we recommendi See the chapter on Technical data N N O gt N L Keep the teeth of the blade correctly sharpened Follow our instructions and use the recommended file gauge An incorrectiv sharpened or damaged blade increases the risk of accidents L Keep the correct setting on the saw bladel Follow our instructions and use the recommended setting tool An incorrectiv set saw blade increases the risk of jamming and blade thrust and damage to the saw blade GENERAL SAFETV PRECAUTIONS Check the cutting attachment for damage or cracks A A correctiv sharpened blade is essential for working damaged cutting attachment should alwavs be replaced efficiently and to avoid unnecessary wear to the blade and brush cutter Sharpening grass cutters and grass blades e See the cutting attachment packaging for correct sharpening instructions Sharpen blades and cutters using a single cut flat file MAN e Make sure that the blade is well supported when you Sharpen all edges equally to maintain the balance of file it Use a 5 5 mm round file with a file holder the blade ka e The filing angle is 15 File alternate teeth to the right and those in between to the left If the blade has been heavily pitted by stones it may be necessary to dress WARNING Always discard a blade that is the top edges of
10. 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 Screw on the trimmer head plastic blades H in the opposite direction to the direction of rotation e To dismantle follow the instructions in the reverse order 16 English Adjusting the harness and brush cutter WARNINGI When using a brush cutter it must alwavs be hooked securelv to the harness Otherwise vou will be unable to control the brush cutter safelv and this can result in injurv to vourself or others Never use a harness with a defective quick release Quick release At the front is an easily accessible quick release Use this if the engine catches fire or in any other emergency situation that requires you to free yourself from the machine and harness Spreading the load on your shoulders A well adjusted harness and machine makes work much easier Adjust the harness for the best working position Tension the side straps so that the weight is evenly distributed across both shoulders ASSEMBLV Correct height y Forestry clearing Adjust the support strap so that the support hook is around 10 cm below your hip The blade should be angled forward a little Grass clearing The support hook should hang around 20 cm below your hip so that the blade is parallel
11. 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 throttle 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 English 7 GENERAL SAFETV PRECAUTIONS 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 toward
12. the blade blade thrust can occur if you attempt to cut thick stems with this area of the blade Before you start clearing check the clearing area the type of terrain the slope of the ground whether there are stones hollows etc Start at whichever end of the area is easiest and clear an open space from which to work Work systematically to and fro across the area clearing a width of around 4 5 m on each pass This exploits the full reach of the machine in both directions and gives the operator a convenient and varied working area to work in NN a ee F Ta NES i je vir b Ty L a Da FM Neon ES bet gt o an N N N r N EA IN ta a NO ia gt N RL SF TUR i na M S Clear a strip around 75 m long Move your fuel can as work progresses On sloping ground you should work along the slope It is much easier to work along a slope than it is to work up and down it You should plan the strip so that you avoid going over ditches or other obstacles on the ground You should also orient the strip to take advantage of wind English 23 WORKING TECHNIQUES conditions so that cleared stems fall in the cleared area of the stand 3 o clock and 5 o clock so that the direction of rotation of the blade pushes the bottom of the tree to the left a Na N e To fell a tree forwards the bottom of the tree should be pulled backwards Pull the blade backwards with a quick firm movement Forestry c
13. Operator s manual 235R 235FR Please read the operator s manual carefullv and make sure vou understand the instructions before using the machine AR y un KEV TO SVMBOLS Svmbols WARNINGI Clearing saws brushcutters and trimmers can be dangerous Careless or incorrect use can result in serious or fatal injury to the operator or others It is extremely important that you read and understand the contents of the operator s manual Wear sturdy non slip boots Only use non metallic flexible cutting attachments i e trimmer heads with trimmer cord Please read the operator s manual carefully and make sure you understand the instructions before using the machine Noise emission to the environment according to the European Lwa Communitv s Directive The machine s emission is specified in chapter Technical data and on label dB Alwavs wear e A protective helmet where there is a risk of falling objects e Approved hearing protection Other symbols decals on the machine refer to special certification requirements for certain markets Max speed of output shaft rom a max 41 0500 rpm Switch off the engine bv moving the e Approved eye protection stop switch to the STOP position This product is in accordance with before carrying out any checks or applicable EC directives maintenance Always wear approved protective Watch out for thrown objects and gloves ricochets Regular cleaning is requ
14. The inside of the muffler significant risk of fire We therefore fit certain mufflers with contain chemicals that may be a spark arrestor mesh Check whether the muffler on your carcinogenic Avoid contact with these machine is fitted with this kind of mesh 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 t Locking nut For mufflers it is verv important that vou follow the IE instructions on checking maintaining and servicing vour machine A locking nut is used to secure some tvpes of cutting attachment Never use a machine that has a faultv muffler When fitting tighten the nut in the opposite direction to the direction of rotation of the cutting attachment To remove it undo the nut in the same direction as the cutting attachment rotates CAUTIONI The nut has a left hand thread When loosening and tightening the saw blade nut there is a risk of injurv from the teeth of the saw blade Vou should therefore alwavs ensure that vour hand is shielded bv the blade guard when doing this Alwavs use a socket spanner with a shaft that is long enough to allow this The arrow in the diagram shows the area where vou English 9 GENERAL SAFETV PRECAUTIONS should operate the socket spanner when loosening or tightening the nut The nylon lini
15. W rpm 1 3 9000 1 3 9000 Catalvtic converter muffler Ves Ves Speed regulated ignition svstem Ves Ves Ignition system Spark plug Electrode gap mm Fuel and lubrication system Fuel tank capacity litre Weight Weight without fuel cutting attachment and guard 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 measured according to EN ISO 11806 and ISO 22868 dB A Equipped with trimmer head original Equipped with grass blade original Equipped with saw blade original Vibration levels see note 3 Equivalent vibration levels Any eg at handles measured according to EN ISO 11806 and ISO 22867 m s Equipped with trimmer head original left right Equipped with grass blade original left right Equipped with saw blade original left right NGK BPMR 7A Champion RCJ 7V 0 5 0 5 111 113 96 98 5 1 4 8 5 9 3 4 NGK BPMR 7A Champion RCJ 7Y 0 9 0 5 1 3 111 113 96 98 97 5 1 4 8 5 9 3 4 6 8 2 9 Note 1 Noise emissions in the environment measured as sound power Lwa in conformity with EC directive 2000 1 4 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
16. 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 Bevel gear The bevel gear is filled with the right quantity of grease at the factory However before using the machine you should check that the bevel gear is filled three quarters full with grease Use HUSQVARNA special grease MAINTENANCE The grease in the bevel gear does not normallv need to be changed except if repairs are carried out Air filter gt A The air filter must be regulariv 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 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 Always use HUSQVARNA filter oil art n
17. avv long pants Do not wear jewellerv shorts sandals or go barefoot Secure hair so itis above shoulder level FIRST AID KIT Alwavs have a first aid kit nearbv It 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 your 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
18. cts 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 in the tank can cause operating problems Ensure that the fuel is well mixed by shaking the container before filling the tank m Min 3 a 10 ft English 19 STARTING AND STOPPING Check before starting Check the blade to ensure that no cracks have formed at the bottom of the teeth or bv the centre hole The most common reason whv cracks are formed is that sharp corners have been formed at the bottom of the teeth while sharpening or that the blade has been used with dull teeth Discard a blade if cracks are found trimmer guard if they have been exposed to impact or are cracked Never use the machine without a guard nor with a defective guard iii ka All covers must be correctly fitted and undamaged a gt ea F before you start the machine A Starting and stopping e Check that the support flange is not cracked due to fatigue or due to being tightened too much Discard the support flange if it is cracked WARNING The comp
19. e is being transported or in storage e Secure the machine during transport A WARNING Take care when handling fuel Bear in mind the risk of fire explosion and inhaling fumes Fuel CAUTION 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 fuel 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 18 English plo CAUTION 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
20. eep the cord parallel to the ground when cutting Avoid pressing the trimmer head against the ground as this can ruin the lawn and damage the tool w AVANT b WN e 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 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 e When cutting and sweeping you should use full throttle to obtain the best results 26 English MAINTENANCE Carburettor Vour Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions After the engine has used 8 10 tanks of fuel the engine will be run in To ensure that it continues to run at peak performance and to minimise harmful exhaust emissions after the running in period ask vour dealer service workshop who will have a rev counter at their disposal to adjust vour carburettor Function e The carburettor governs the engine s speed via the throttle control Air and fuel are mixed in the carburettor The air fuel mixture is adjustable Correct adjustment is essential to get the best performance from the machine e Adjusting the carburettor means that the engine is adapted to local operating conditions e g climate altitude petrol and
21. 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 done with a 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 28 English 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
22. ill be your companion for a long time Think of this operator s 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 operator s manual 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 1 2 3 4 5 6 7 8 A O 12 13 14 15 Blade Grease filler cap bevel gear Bevel gear Cutting attachment guard Shaft Handlebar Throttle control Stop switch Throttle lockout Support eyes for harness Cylinder cover Starter handle Fuel tank Choke control Air purge WHAT IS WHAT Air filter cover Handle adjustment Locking nut Support flange Support cup Drive disc Trimmer head Socket spanner Operator s manual Transport guard Allen key Locking pin Harness Start throttle button English 5 GENERAL SAFETV PRECAUTIONS Important IMPORTANT The machine is only designed for trimming grass grass clearing and or forestry clearing 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
23. 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 English 31 TECHNICAL DATA Approved secessoriea 230m Tvpe Cutting attachment guard Art no 235FR Centre hole in blades cutters 25 4 mm Tricut 300 mm Separate blades i Plastic blades have part number 531 01 77 15 537 33 16 01 537 34 94 01 Trimmy S II 2 4 3 3 mm cord 537 33 16 01 537 34 94 01 T35 T35x 9 2 4 3 0 mm cord 537 33 16 01 537 34 94 01 T45x 2 7 3 3 mm cord 537 33 16 01 537 34 94 01 Trimmer head S35 9 2 4 3 0 mm cord 537 33 16 01 537 34 94 01 F35 9 2 0 3 5 mm cord 537 33 16 01 537 34 94 01 Auto 55 2 7 3 3 mm cord 537 33 16 01 537 34 94 01 IM Ki Gr upport Cu pport cup With ball bearing SS 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 Husqvarna 235FR and 235R 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
24. ired The operator of the machine must ensure while working that no persons or animals come closer than 15 metres Machines fitted with saw blades or vistelenees grass blades can be thrown violently e to the side when the blade comes ony A into contact with a fixed object This is Yi called blade thrust The blade is f 3 capable of amputating an arm or leg Approved eye protection must always Always keep people and animals at least 15 metres from be used the machine Arrows which show limits for handle positioning ty Always wear approved protective gloves 2 English CONTENTS Contents Note the following before KEV TO SVMBOLS starting DO a 0 ees 2 Please read the operator s manual carefully CONTENTS CONTENTS aeg 3 WARNINGI Long term exposure to noise Note the following before starting 3 can result in permanent hearing INTRODUCTION impairment So alwavs use approved hearing protection Dear CUSTOMER ns 4 WHAT IS WHAT2 What IS what escorias 5 WARNING Under no circumstances may the design of the machine be modified GENERAL SAFETY PRECAUTIONS without the permission of the Important ee ee 6 manufacturer Always use genuine Personal protective equipment nn 6 accessories Non authorized _ china bati ina dati gt modifications and or accessories can Y equipment ueeeeseeeeeeeeeeeneeeneennn result in serious personal injury or the Cutting equipment EEE
25. learing using a saw blade e The risk of blade thrust increases with increasing stem size You should therefore avoid cutting with the area of the blade between 12 o clock and 3 o clock e Large stems must be cut from two sides First determine which direction the stem will fall Make the first cut on the felling side Then finish cutting the stem from the other side Adjust the cutting pressure to match the size of the stem and the hardness of the wood Small stems require more pressure while large stems require less pressure Fa e To fell to the left the bottom of the tree should be l pushed to the right Tilt the blade and bring it l O diagonally down to the right exerting firm pressure At f the same time push the stem using the blade guard l z LN Cut with the area of the blade between 3 o clock and 5 o clock Apply full throttle before advancing the blade Al bi A e Ifthe stems are tightly packed adapt your walking pace to suit e Ifthe blade jams in a stem never jerk the machine free If you do this the blade bevel gear shaft or handlebar may be damaged Release the handles grip the shaft with both hands and gently pull the machine free e To fell to the right the bottom of the tree should be pushed to the left Tilt the blade and bring it diagonally up to the right Cut with the area of the blade between 24 English WORKING TECHNIQUES Brush cutting with a saw blade o O We
26. lete clutch cover and shaft must be fitted before the machine is started otherwise the clutch can come loose and cause personal injury 3 e Ensure the locking nut has not lost its captive force The nut lock should have a locking force of at least 1 5 Nm The tightening torque of the locking nut should be 35 50 Nm 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 Make sure no unauthorised persons are in the working area otherwise there is a risk of serious personal injury The safety distance is 15 metres by e Check that the blade guard is not damaged or cracked Replace the blade guard if it is exposed to impact or is cracked Cold engine Ignition Set the stop switch to the start position Choke Set the choke control in the choke position e Check that the trimmer head and trimmer guard are not damaged or cracked Replace the trimmer head or 20 English STARTING AND STOPPING Primer bulb Press the air purge repeatediv until fuel begins to fill the bulb The bulb need not be completelv filled Warm engine Ignition Set the stop switch to the start position Choke Set the throttle to the start position bv moving the choke control to the choke position and then returning it to its original position gt Primer bulb
27. loping ground Take great care when cutting a tree that is in tension A tree that is in tension may spring back to its normal position before or after being cut If you position 2 English yourself incorrectly or make the cut in the wrong place the tree may hit you or the machine and cause you to lose control Both situations can cause serious personal injury 6 Keep a good balance and a firm foothold 7 Always hold the machine with both hands Hold the machine on the right side of your body 8 Keep the cutting attachment below waist level 9 Switch off the engine before moving to another area Fit the transport guard before carrying or transporting the equipment any distance 10 Never put the machine down with the engine running unless you have it in clear sight The ABC of clearing Always use the correct equipment Make sure the equipment is well adjusted Follow the safety precautions Organise your work carefully Always use full throttle when starting to cut with the blade Always use sharp blades Avoid stones WORKING TECHNIQUES e Control the felling direction take advantage of the Working methods wind 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 aro
28. ng inside the locking nut must not be so worn that vou can turn it bv hand The lining should offer a resistance of atleast 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 vour 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 Maintain the correct blade setting Follow our instructions and use the recommended file gauge 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 10 English Cutting equipment Saw blades are intended for cutting fibrous types of wood e Grass blades and grass cutters are intended for cutting
29. nges in skin colour or condition These symptoms normally appear in the fingers hands or wrists The risk increases at low temperatures 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 brush GENERAL SAFETV PRECAUTIONS cutter Certain harnesses also have a quick release fitted Regularly check that the muffler is securely attached to to the support hook the machine Check that the harness straps are correctly positioned If the muffler on your machine is fitted with a spark Once the harness and machine have been adjusted arrestor mesh this must be cleaned regularly A blocked check that the harness quick release works correctly mesh will cause the engine to overheat and may lead to serious damage 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 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 In countries that have a warm and dry climate there is a WARNING
30. o 531 00 92 48 The 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 el Spark plug gt 6 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 5 mm The spark plug should be replaced after about a month in operation or earlier if necessary 0 5 mm y j 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 English 29 MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be perf
31. ormed on the machine Most of the items are described in the Maintenance section The user must only carry out the maintenance and service work described in this Operators Manual More extensive work must be carried out by an authorized service workshop Daily Weekly Monthly Maintenance l a maintenance maintenance maintenance Clean the outside of the machine X Check that the harness is not damaged Check that the suspension ring is not damaged Make sure the throttle trigger lock and the throttle function correctly from a safety point of view Check that the stop switch works correctly Check that the handle and handlebar are undamaged and secured correctly Check that the cutting attachment does not rotate at idle Clean the air filter Replace if necessary 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 nuts and screws are tight Check that there are no fuel leaks from the engine tank or fuel lines Check that the transport guard for the blade is intact and that it can be secured correctly Check the star
32. recommended Two stroke oil e For best results and performance use HUSQVARNA 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 HUSQVARNA two stroke oil 1 33 3 with oils class JASO FB or ISO EGB formulated for air cooled two stroke engines FUEL HANDLING Mixing Alwavs mix the petrol and oil in a clean container intended for fuel 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 Fuelling WARNING Taking the following precautions will lessen the risk of fire Do not smoke or place hot obje
33. rimmer guard and trimmer head Trimmy SII e Fit the correct trimmer guard A for use with the trimmer head CAUTION Ensure that the guard extension is fitted Hang the trimmer guard combination guard A on the two hooks on the plate holder M Bend the guard around the shaft and tighten it with the bolt L on the opposite side of the shaft Use the locking pin C Place the locking pin in the groove on the screw head and tighten See diagram 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 Screw on the trimmer head H in the opposite direction to the direction of rotation e Tighten the trimmer head to a torque of 35 50 Nm 3 5 5 kpm e To dismantle follow the instructions in the reverse order English 15 ASSEMBLV Fitting other guards and cutting attachments ERA e Fit the trimmer guard combination guard A intended for use with the trimmer head plastic blades CAUTION Ensure that the guard extension is fitted Hang the trimmer guard combination guard A on the two hooks on the plate holder M Bend the guard around the shaft and tighten it with the bolt L on the opposite side of the shaft Use the locking pin C Place the locking pin in the groove on the screw head and tighten See diagram
34. roduction 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 of beeing 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 building and construction industry Husqvarna s aim is also to be in the front edge according to ergonomics usability security and environmental protection That is the reason why we have developed many different features to provide 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 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 w
35. s 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 Alwavs use the recommended guard for the cutting attachment vou are using See chapter on Technical data WARNINGI 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 8 English Vibration damping system Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier Use of incorrectly wound cord or an incorrect cutting attachment increases the level of vibration See instructions under the heading Cutting equipment The machine s 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 cha
36. sponding hole in the gear equipment housing e Insert the locking pin C in the hole to lock the shaft WARNINGI When fitting the cutting attachment it is extremelv important that the raised section on the drive disc support flange engages correctiv in the Fit the nut G The nut must be tightened to a torque centre hole of the cutting attachment If of 35 50 Nm 3 5 5 kpm Use the socket spanner in the cutting attachment is fitted the tool kit Hold the shaft of the spanner as close to incorrectly it can result in serious and or the blade guard as possible To tighten the nut turn fatal personal injury the spanner in the opposite direction to the direction of rotation Caution left hand thread e Place the blade D support cup E and support flange F on the output shaft 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 are to be used the machine must be equipped with the correct handlebar blade guard and harness Fitting the blade guard and saw Fitting a blade guard grass blade blade and grass cutter gt e Remove the mounting plate H Fit the adapter 1 and o S bracket J with the two screws K as shown Fit the blade guard A to the adapter using the 4 screws L as shown
37. ter and starter cord Check that the vibration damping elements are not damaged 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 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 E X Fri E Check that nuts and screws are tight X ree K at A 30 English TECHNICAL DATA Technical data Technical data 235R 235FR Engine Cylinder displacement cm 40 2 40 2 Cylinder bore mm 40 40 Stroke mm 32 32 Idle speed rpm 2700 2700 Recommended max speed rpm 11500 12500 11500 12500 Speed of output shaft rpm 10000 10000 Max engine output acc to ISO 8893 k
38. the teeth with a flat file in exceptional bent twisted cracked broken or cases If so this should be done before filing with a damaged in any other way Never attempt round file The top edges must be filed down by the to straighten a twisted blade so that it same amount for all the teeth can be reused Only use original blades of the specified type Sharpening the saw blade Fal e See the cutting attachment packaging for correct sharpening instructions English 11 GENERAL SAFETV PRECAUTIONS Trimmer head IMPORTANTI Always ensure the trimmer cord is wound tightly and evenly around the drum otherwise the machine will generate 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 e Smaller machines generally require small trimmer heads and vice versa This is because when clearing using acord the engine must throw out the cord radially from the trimmer head and overcome the resistance of the grass being cleared e The length of the cord is also important A longer cord requires greater engine power than a shorter cord of the same diameter e Make sure that the cutter on the trimmer guard is intact This is used to cut the cord
39. the type of 2 stroke oil e The carburettor has three adjustment controls L Low speed jet H High speed jet T Idle adjustment screw T e The Land H jets are used to adjust the supply of fuel to match the rate that air is admitted which is controlled with the throttle If they are screwed clockwise the air fuel ratio becomes leaner less fuel and if they are turned anti clockwise the ratio becomes richer more fuel A lean mixture gives a higher engine speed and a rich mixture gives a lower engine speed e The T screw regulates the throttle setting at idle speed If the T screw is turned clockwise this gives a higher idle speed turning it anti clockwise gives a lower idle speed Basic setting e The basic carburettor settings are adjusted during testing at the factory The basic setting is richer than the optimal setting and should be maintained for the first few hours the machine is in use The carburettor should then be finely adjusted Fine adjustment should be carried out by a skilled technician CAUTION If the cutting attachment rotates when the engine is idling the idle adjustment screw T should be turned anti clockwise until the cutting attachment stops Adjustment of the idle speed Before anv adjustments are made make sure that the air filter is clean and the air filter cover is fitted Adjust the idle speed using the idle adjustment screw T if it is necessary to readjust First turn the idle adj
40. to the correct length e 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 12 English ASSEMBLV Fitting the handlebar 6 Remove the screw at the rear of the throttle handle Slide the throttle handle onto the right side of the handlebar see diagram z Align the screw hole in the throttle handle with the hole in the handlebar Refit the screw in the hole in the rear of the throttle handle Screw the screw through the handle and handlebar Tighten it Remove the mounting components from the handlebar mounting Position the handlebar as shown Fit the mounting components and tighten the knob lightly Fit the wiring as shown 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 Tighten the knob Transport position handlebar The handlebar can easily be turned to fit along the shaft for easier transportation and storage Loosen the knob Turn the handlebar clockwise so that the throttle handle rests against the engine Now twist the handlebar around the shaft Tighten the knob Fit the transport guard to the cutting attachment English 13 ASSEMBLV Assembling the cutting e Turn the blade shaft until one of the holes in the drive a disc aligns with the corre
41. to the ground Correct balance y Forestry clearing Move the suspension ring on the machine forward or backward It is easier to avoid sawing into the ground if the blade is balanced a few dm above the ground Grass clearing Let the blade balance at a comfortable cutting height i e close to the ground English 17 FUEL HANDLING Petrol Fuel safetv 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 change 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 machin
42. uctions IMPORTANTI This section describes the basic safetv precautions for working with brush cutters and trimmers If vou encounter a situation where vou are uncertain how to proceed vou should ask an expert Contact vour dealer or vour service workshop Avoid all usage which vou consider to be bevond vour capabilitv Vou must understand the difference between forestrv clearing grass clearing and grass trimming before use Basic safetv rules A y 5 2 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 CAUTION 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 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 s
43. und 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 unauthorised 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 WARNING Sometimes branches or grass get caught between the guard and cutting attachment Always stop the engine before cleaning WARNING 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 A blade thrust can be violent enough to cause the machine and or operator to be propelled in any direction and possibly lose control of the machine Blade thrust can occur without warning if the machine snags stalls or binds Blade thrust is more likely to occur in areas where it is difficult to see the material being cut Avoid cutting with the area of the blade between the 12 o clock and 3 o clock positions Because of the speed of rotation of
44. ustment screw T clockwise until the cutting attachment starts to rotate Then turn the screw anticlockwise until the cutting attachment stops The idle speed is correctly adjusted when the engine will run smoothly in every position The idle speed should also be well below the speed at which the cutting attachment starts to rotate Rec idle speed See the Technical data section 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 Adjusting the start throttle speed The correct start throttle speed is set by means of an adjuster on the rear of the handle next to the cable Use this screw 4 mm Allen screw to increase or decrease the start throttle speed Proceed as follows 1 Run the machine at idle English 27 MAINTENANCE 2 Press the start throttle lock as described under the heading Starting and stopping 3 If the start throttle speed is too low below 4000 rpm turn the adjuster screw A clockwise until the cutting attachment starts to rotate Then turn A clockwise a further 1 2 turn Muffler CAUTION Some mufflers are fitted with a catalytic converter See chapter on Technical data to see whether vour machine is fitted with a catalvtic converter The muffler is designed to reduce the noise level and to direct the exhaust gases away from the operator The
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