Husqvarna 333R Trimmer User Manual
Contents
1. E ge x N y 2 N m N N N I i p x 5 aan UAN 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 conditions so that cleared stems fall in the cleared area of the stand To fell to the left the bottom of the tree should be pushed to the right Tilt the blade and bring it diagonally down to the right exerting firm pressure At the same time push the stem using the blade guard Cut with the area of the blade between 3 o clock and 5 o clock Apply full throttle before advancing the blade 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 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 To fell a tree forwards the bottom of the tree should be pulled backwards Pull the blade backwards with a quick firm movement English 21 WORKING TECHNIQUES Large stems must be cut from two sides First determine which direction the stem will fall Make the first cut on the fell2. WARRANTY COMMENCEMENT DATE The warranty period begins on the date small nonroad engine is delivered LENGTH OF COVERAGE Husqvarna Forest amp Garden warrants to the initial owner and each subsequent purchaser that the engine is free from defects in materials and workmanship which cause the failure of a warranted part for a period of two years WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Husqvarna Forest amp Garden servicing dealer If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest amp Garden at 1 800 487 5963 WARRANTY PERIOD Any warranted part which is not scheduled for replacement as required maintenance or which is scheduled only for regular inspection to the effect of repair or replace as necessary shall be warranted for 2 years Any warranted part which is scheduled for replacement as required maintenance shall be warranted for the period of time up to the first scheduled replacement point for that part DIAGNOSIS The owner shall not be charged for diagnostic labor which leads to the determination that a warranted part is defective if the diagnostic work is performed at an approved Husqvarna Forest amp Garden servicing dealer CONSEQUENTIAL DAMAGES Husqvarna Forest amp Garden may be liable
3. with HUSQVARNA two stroke oil 10 Gasoline litre 1 2 1 2 2 1 2 6 1 2 FUEL HANDLING Mixing Fueling Always mix the gasoline and oil in a clean container intended for fuel e Ble Always start by filling half the amount of the gasoline to be used Then add the entire amount of oil Mix shake the fuel mixture Add the remaining amount of gasoline WARNING Taking the following precautions will lessen the risk of fire Mix shake the fuel mixture thoroughly before filling the machine s fuel tank 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 Do not mix more than one month s supply of fuel at a time Clean the area around the fuel cap Contamination in the If the machine is not used for some time the fuel tank tank can cause operating problems should be emptied and cleaned Ensure that the fuel is well mixed by shaking the container before filling the tank 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 E
4. 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 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 The trimmer is ideal for cutting grass that is difficult to reach using a normal lawn mower Keep 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 N NM NY NAM AKI W 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 The fan effect of the rotating cord can be used for guick and easy clearing up Hold the cord parallel to and above the area to be swept and move the tool to and fro 4 1 When cutting and sweeping you should use full throttle to obtain the best results English 23 MAINTENANCE Carburetor Your 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 conti
5. Idle speed rpm Recommended max fast idle speed rpm Speed of output shaft rpm Max engine output acc to ISO 8893 kW rpm Catalytic converter muffler Speed regulated ignition system Ignition system Manufacturer type of ignition system Spark plug Electrode gap inch mm Fuel and lubrication system Manufacturer type of carburetor Fuel tank capacity US pint litre Weight 333R 2 11 34 6 1 50 38 0 1 20 30 5 2900 11500 8220 1 6 8400 No Yes Walbro MB NGK CMR6A 0 02 0 5 Zama C1Q 1 27 0 6 Weight without fuel cutting attachment and guard Lbs kg 13 4 6 1 Sound levels see note 1 Equivalent sound pressure level at the user s ear measured according to ANSI B175 3 1997 dB A min 96 102 max Vibration levels Vibration levels at handles measured according to ANSI B175 3 1997 m s At idle left right handles min At idle left right handles max At max speed left right handles min At max speed left right handles max 3 0 2 8 3 2 3 1 2 9 3 4 4 2 5 1 335RX 2 11 34 6 1 50 38 0 1 20 30 5 2900 11500 8220 1 6 8400 Yes Yes Walbro MB NGK CMR6A 0 02 0 5 Zama C1Q 1 27 0 6 13 7 6 2 95 102 2 0 1 9 2 4 1 8 2 7 2 7 Note 1 Equivalent noise pressure level is calculated as the time vveighted energy total for noise pressure levels under various working conditions with the following time distribution 1 2 idle and 1 2 max speed NOTE Noise p
6. 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 16 English Gasoline BL CAUTION Always use a quality gasoline oil mixture with an octane rating of at least 87 octane RON MON 2 If your machine is equipped with a catalytic converter see chapter on Technical data always use a good quality unleaded gasoline oil mixture Leaded gasoline will destroy the catalytic converter Use low emission gasoline also known as alkylate gasoline if it is available This engine is certified to operate on unleaded gasoline The lowest recommended octane grade is 87 RON MON 2 If you run the engine on a lower octane grade than 87 so called knocking can occur This gives rise to a high engine temperature and increased bearing load which can result in serious engine damage When working at continuous high revs a higher octane rating is recommended Two stroke oil For best results and performance use HUSQVARNA two stroke engine oil which is specially formulated for our air cooled two stroke engines Never use two stroke oil intended for water cooled engines sometimes referred to as outboard oil rated TCW Never use oil intended for four stroke engines Mixing ratio 1 50 2
7. cutting attachment wrong type or incorrectly filed see instructions under the heading Filing the blade increases the level of vibration 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 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 exhaus
8. damage or liability caused by the use of accessories and or attachments not specifically recommended by HUSQVARNA English 27 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 service work described in this manual More extensive work must be carried out by an authorised service workshop Daily maintenance Weekly maintenance um is Clean the outside of the machine Check that the harness is not damaged Check that the suspension eye 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 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
9. for damages to other engine components caused by the failure of a warranted part still under warranty WHAT IS NOT COVERED All failures caused by abuse neglect or improper maintenance are not covered ADD ON OR MODIFIED PARTS The use of add on or modified parts can be grounds for disallowing a warranty claim Husqvarna Forest amp Garden is not liable to cover failures of warranted parts caused by the use of add on or modified parts HOW TO FILE A CLAIM If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest amp Garden at 1 800 487 5963 WHERE TO GET WARRANTY SERVICE Warranty services or repairs shall be provided at all Husqvarna Forest amp Garden authorized servicing dealers MAINTENANCE REPLACEMENT AND REPAIR OF EMISSION RELATED PARTS Any Husqvarna Forest amp Garden approved replacement part used in the performance of any warranty maintenance or repairs on emission related parts will be provided without charge to the owner if the part is under warranty EMISSION CONTROL WARRANTY PARTS LIST 1 Carburetor and internal parts 2 Intake pipe airfilter holder and carburetor bolts 3 Airfilter and fuelfilter covered up to maintenance schedule 4 Ignition System 1 Spark Plug covered up to maintenance schedule 2 Ignition Module 5 Muffler with catalytic converter MAINTENANCE STATEMENT The owner is respon
10. for handle Visual check positioning Approved eye protection must always be Always wear approved protective gloves used Wear sturdy non slip boots Only use non metallic flexible cutting attachments i e trimmer heads with trimmer cord 2 English CONTENTS Contents KEY TO SYMBOLS O MDOIS i CONTENTS Hon Note the following before starting INTRODUCTION Dear customer cnr WHAT IS WHAT What is what on the clearing saw GENERAL SAFETY PRECAUTIONS E o Personal protective equipment Machine s safety equipment nenn Cutting equipment inneren ASSEMBLY Assembling the handlebar and throttle Fitting blades and trimmer heads Fitting the guard extension Fitting a blade guard grass blade and grass cutter Fitting the blade guard and saw blade Fitting a trimmer guard and Superauto Il 1 trimmer A Fitting other guards and cutting attachments Adjusting the harness and clearing saw Standard harness 8888 FUEL HANDLING C rr ON ic STARTING AND STOPPING Check before starting ripa Starting and stopping ee WORKING TECHNIQUES General worki
11. fuel lines Check that the transport guard for the blade is intact and that it can be secured correctly Check the starter 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 20 or replace the spark plug Check that the spark plug is fitted with a suppressor CR X Ona ba h sing na eci pm E I Ona na nu an sons e x One ha er ar no ul om e rqi n x Ezo Clean the machines cooling system Clean or replace the spark arrestor mesh on the muffler only applies to mufflers vvithout 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 28 English TECHNICAL DATA Technical data Technical data Engine Cylinder displacement cu in cm Cylinder bore inch mm Stroke inch mm
12. how to properly maintain and use it 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 For customer assistance call 704 921 7000 or contact us at our website www husqvarna com 4 English WHAT IS WHAT What is what on the clearing saw 1 Trimmer head 18 Locking nut 2 Grease filler cap bevel gear 19 Support flange 3 Bevel gear 20 Support cup 4 Cutting attachment guard 21 Drive disc 5 Shaft 22 Blade 6 Handlebar 23 Socket spanner 7 Throttle control 24 Operator s manual EPA 8 Stop switch 25 Transport guard 9 Throttle lock 26 Allen key 10 Suspension 27 Locking pin 11 Cylinder cover 28 Harness 12 Starter handle 29 Spark plug 13 Fuel tank 30 Start throttle button 14 Choke control 31 Part throttle dial RX 15 Air purge 32 Adjusting screw for throttle cable 16 Air filter cover 33 Spark plug spanner 17 Handle adjustment 34 Guard extension English 5 GENERAL SAFETY 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 or if you are taking medication that could affect your
13. 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 and guards 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 Running an engine in a confined VAN 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 operators manual You must use approved personal protective equipment whenever you use the machine Personal protective equipment ca
14. 3 If the machine is leaking fuel Check regularly for leaks from the fuel cap and fuel lines Transport and storage 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 When storing and transporting fuel always use approved containers intended for this purpose When storing the machine for long periods the fuel tank must be emptied Contact your local gas station to find out where to dispose of excess fuel Ensure the machine is cleaned and that a complete service is carried out before long term storage The transport guard must always be fitted to the cutting attachment when the machine is being transported or in storage In order to prevent unintentional starting of the engine the spark plug cap must always be removed during long term storage if the machine is not under close supervision and when performing all service measures 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 gasoline and two stroke engine 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
15. ANTY COVERAGE The 2001 and later small nonroad engines are warranted for two years If any emission related part on you engine as listed above is defective the part will be repaired or replaced by Husqvarna Forest amp Garden OWNER SWARRANTY RESPONSIBILITIES As the small nonroad engine owner you are responsible for the performance of the required maintenance listed in your Operator s Manual Husqvarna Forest amp Garden recommends that you retain all receipts covering maintenance on your small nonroad engine but Husqvarna Forest amp Garden cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the small nonroad engine owner you should however be aware that Husqvarna Forest amp Garden may deny you warranty coverage if your small nonroad engine or a part of it has failed due to abuse neglect improper maintenance unapproved modifications or the use of parts not made or approved by the original equipment manufacturer You are responsible for presenting your small nonroad engine to a Husqvarna Forest amp Garden authorized servicing dealer as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest amp Garden at 1 800 487 5963
16. Operator s manual EPA 333R 335Ry_serics Please read the operator s manual carefully and make sure you understand the instructions before using the machine English KEY TO SYMBOLS Symbols WARNING Clearing saws brushcutters and trimmers can be dangerous Careless or incorrect use can result in serious or fatal injury to the operator or others Please read the operator s manual carefully and make sure you understand the instructions before using the machine Starting instructions E Always wear A protective helmet where there is a risk of falling objects Hearing protection Approved eye protection Max speed of output shaft rpm max 10500 rpm EE Other symbols decals on the machine refer to special certification requirements for certain markets Watch out for thrown objects and ricochets Switch off the engine by moving the stop switch to the STOP position before carrying The operator of the machine must ensure out any checks or maintenance while working that no persons or animals come closer than 15 metres Machines fitted with saw blades or grass Always wear approved protective gloves blades can be thrown violently to the side Os A when the blade comes into contact with a an 4 EN fixed object The blade is capable of A ped amputating an arm or leg Always keep Regular cleaning is required people and animals at least 15 metres from the machine Arrows which show limits
17. USQVARNA AB HUSKVARNA SWEDEN IMPORTANT ENGINE INFORMATION THIS ENGINE CONFORMS TO U S EPA PH1 FOR SMALL NON ROAD ENGINES REFER TO OPERATOR S MANUAL FOR R MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS A This label certify that the product has been certified in accordance with American exhaust requirements EPA 1 IMPORTANT ENGINE INFORMATION N H Husqvarna HUSQVARNA AB HUSKVARNA SWEDEN TWC THIS ENGINE CONFORMS TO U S EPA PH2 AND 2005 AND LATER CALIFORNIA EMISSION REGULATIONS FOR SMALL OFFROAD ENGINES REFER TO OPERATOR S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS a EMISSIONS COMPLIANCE PERIOD CATEGORY This engine label certifies that the product is certified in accordance with American exhaust emissions requirements EPA Ph Il and CARB Tier Il The Emissions Compliance Period referred to on the emissions Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal and California emisson requirements Category C 50 hours B 125 hours and A 300 hours WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm 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 fa
18. arate the two halves see diagram Proceed as follows Insert a finger into the centre hole of the cover 1 while grasping the cover with your other fingers Using the index finger and thumb of your other hand release the two catches J that engage in the cut outs in the bottom half K Pull apart the trimmer head grasping the cover firmly Place the cover 1 and the support flange F on the output shaft Fit the nut G Tighten the nut to a torque of 35 50 Nm 3 5 5 kpm Use the socket spanner in the tool kit Grasp the handle of the spanner as close to the trimmer guard as possible 14 English 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 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 Screw on the trimmer head plastic blades H in the opposite direction to the direction of rotation To dismantle follow the instructions in the reverse order ASSEMBLY Adjusting the harness and
19. as icy ground unpredictable felling direction etc Always use sharp blades Avoid stones Control the felling direction take advantage of the wind 3 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 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 4 Take great care when cutting a tree that is under tension A tree that is under tension may spring back to its normal position before or after being cut If you position 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 Keep a good balance and a firm foothold 20 English 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 inju
20. clearing saw 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 Standard harness BL 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 Correct height Adjust the shoulder strap so that the cutting attachment is parallel to the ground Correct balance Let the cutting attachment rest lightly on the ground If you use a saw blade it should balance about 10 cm above the ground to prevent contact with stones and the like Adjust the position of the support hook to balance the clearing saw correctly English 15 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 change your clothes Wash any part of your body that has come in contact with fuel Use soap and water
21. ctory on the banks of the Huskvarna River for production of muskets The location was logical since water power was harnessed from the Huskvarna River to create the water powered plant During over 300 years of continuous operation 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 We develop manufacture and market high quality motor driven products for forestry and gardening as well as for building and construction industry Your purchase 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 authorized dealers ask for the address of your nearest servicing dealer It is our wish that you will be satisfied with your product and that it will be your companion for a long time Think of this operator s manual as a valuable document By following its content using service maintenance etc the life span and the second hand value of the machine can be extended If you ever lend or sell this machine make sure that the borrower or buyer gets the operator s manual so they will also Know
22. dles with a start throttle lock Set the throttle to the start position by first pressing the throttle lock and the throttle trigger then pressing the start throttle button A Then release the throttle lock 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 lock and throttle trigger again PART THROTTLE FUNCTION RX RXT RDX It is possible to set the engine for part throttle operation using the dial on the side of the throttle handle Turn the dial up to decrease the part throttle rpm Turn the dial down to increase the part throttle rpm When you have set the part throttle rpm you will feel increased resistance when you press the throttle trigger This increased resistance makes it easier to maintain a constant part throttle setting To obtain full throttle press the throttle trigger a little harder so that it goes past the part throttle setting As soon as you release the throttle trigger the engine will return to idle The part throttle function does not lock the engine at a given rpm it is simply a brake that makes it easier to maintain the engine at a given rpm Stopping Stop the engine by switching off the ignition English 19 WORKING TECHNIQUES General working instructions 6 Always hold the machine with both hands Hold the machine on the right side of your body IMPORTANT This section describe
23. e power speed temperature and fuel consumption If the high speed jet H is set too lean screwed in too far the engine speed will be too high and cause engine damage Do not let the engine run at full speed for more than 10 seconds Note that the engine should be loaded when you adjust the high speed jet H You should therefore fit the trimmer head T35 2 7 mm cord before adjusting the high speed jet The cord length should be standard i e to the knife on the trimmer guard Apply full throttle and turn the high speed jet H very slowly clockwise until the engine slows down Then turn the high speed jet H very slowly anticlockwise until the engine starts to run unevenly Now turn the high speed jet H slowly clockwise a little way until the engine runs smoothly all H o CAUTION For optimum adjustment of the carburettor contact a qualified dealer service vvorkshop that has a revolution counter at their disposal Correctiy adiusted carburetor When the carburetor is correctly adiusted the machine will accelerate without hesitation and burble a little at maximum speed It is also important that the cutting attachment does not rotate at idle If the low speed jet L is set too lean it may cause starting difficulties and poor acceleration If the high speed jet His set too lean it will result in less power less performance poor acceleration and or damage to the engine If both the L and H jets are set too
24. eyond either stop as this could cause damage Now start the machine according to the starting instructions and let it warm up for 10 minutes 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 Low speed jet L Try to find the highest idling speed turning the low speed needle L clockwise respectively counter clockwise When the highest speed has been found turn the low speed needle L 1 4 turn counter clockwise 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 Fine adjustment of the idle speed T Adjust the idle speed using the idle adjustment screw T if it is necessary to readjust First turn the idle adjustment 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 MAINTENANCE will run smoothly in every position The idle speed should also be well below 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 High speed jet H The high speed jet H affects the engin
25. 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 by 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 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 Tr ip 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 Wh 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 KW AW MANNY Reduce the risk of damaging plants by shortening the cord to 10 12 cm and reducing the engine speed WORKING TECHNIQUES Clearing The clearing technique removes all unwanted vegetation Keep the trimmer head just above the ground and tilt it Let
26. hrottle 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 kickback English 9 GENERAL SAFETY PRECAUTIONS Cutting equipment Sharpening grass cutters and grass blades al CIE See the cutting attachment packaging for correct sharpening instructions Sharpen blades and cutters Saw blades are intended for cutting fibrous types of wood O Grass blades and grass cutters are intended for cutting using a single cut flat file coarse grass Sharpen all edges equally to maintain the balance of the blade 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 Only use cutting attachments with the guards we Sharpening the saw blade recommend See the chapter on Technical data N N gt 49 gt N l L I See the cutting attachment packaging for correct sharpening instructions Keep the teeth of the blade correctly sharpened Follow our A correctly sharpened blade is essential for working efficiently instructions and use the recommended file gauge An and to avoid unnecessary wear to the blade and clearing saw incorrectl
27. ing 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 If the stems are tightly packed adapt your walking pace to suit If the 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 Brush cutting with a saw blade OL 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 Ab Grass blades and grass cutters must not be used on vvoody stems 22 English A grass blade is used for all types of tall or coarse grass The grass is cut down with a sidevvays 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
28. irection to the direction of rotation Caution left hand thread English 13 ASSEMBLY 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 To tighten the nut turn the spanner in the opposite direction to the direction of rotation Caution left hand thread 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 Fit the bottom half of the trimmer head K to the cover 1 by pressing them together with the cut outs on the bottom half aligned with the catches on the cover Fitting a trimmer guard and Superauto Il 1 trimmer head To dismantle follow the instructions in the reverse order Fitting other guards and cutting attachments Fit the correct trimmer guard A for use with the trimmer head CAUTION Ensure that the guard extension is fitted Hook the trimmer guard combination guard onto the fitting on the shaft and secure with the bolt L 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 To fit the trimmer head first sep
29. ment is positioned on your machine IMPORTANTI 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 lock The throttle lock 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 lock 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 lock is released Press the throttle lock and make sure it returns to its original position when you release it Check that the throttle control and throt
30. mmer heads 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 are to be used the machine must be equipped with the correct handlebar blade guard and harness Fitting the guard extension CAUTION The guard extension shall always be fitted when using the trimmer head plastic blades and combination guard The guard extension shall always be removed when using the grass blade and combination guard Enter the guard extension guide in the slot of the combination guard Then click the guard extension into position on the guard with the four quick fasteners The guard extension is removed easily using the spark plug spanner see illustration 11 ASSEMBLY Fitting a blade guard grass blade Fitting the blade guard and saw and grass cutter blade 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 recomme
31. nded blade guard See the Technical data section 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 support cup E 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 Remove the mounting plate H Fit the adapter 1 and bracket J with the two screws K as shown Fitthe blade guard A to the adapter using the 4 screws L as shown CAUTION Use the recommended blade guard See the Technical data section 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 d
32. ng The basic carburetor 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 24 English 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 Rec idle speed 2700 rpm Recommended max 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 Fine adjustment When the machine has been run in the carburetor should be finely adjusted The fine adjustment should be carried out by a qualified person First adjust the L jet then the idling screw T and then the H jet Conditions Before any adjustments are made make sure that the air filter is clean and the air filter cover is fitted If you adjust the carburettor when the air filter is dirty it will result in a leaner mixture when the filter is finally cleaned This can lead to serious engine damage Carefully turn both jets L and H so that they are midway between fully screwed in and fully screwed out Do not attempt to adjust the L and H jets b
33. ng instructions MAINTENANCE GARDES Cooling system siii An nd E AA An Spark pUJ A Sharpening grass cutters and grass blades Sharpening the saw blade renn Maintenance schedule TECHNICAL DATA Technical dala sari FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS Note the following before starting Long term exposure to noise can result in permanent hearing impairment So always use approved hearing protection Maintenance replacement or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual 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 Your warranty may not cover damage or liability caused by the use of non authorized accessories or replacement parts 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 Husqvarna H
34. nglish 17 STARTING AND STOPPING Check before starting Starting and stopping 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 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 07775 attachment cannot come into contact with a gt di gt any object FE Make sure no unauthorised persons are in the working area otherwise there is a risk of Check that the support flange is not cracked due to fatigue serious personal injury The safety distance or due to being tightened too much Discard the support is 15 metres flange if it is cracked Starting Ignition Set the stop switch to the start position 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 Check that the blade guard is not damaged or cracked Replace the blade guard if it is exposed to impact or is cracked Primer bulb Press the air purge repeatedly until fuel begins to fill the bulb The bulb need not be completel
35. nnot 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 6 English HELMET A helmet should be worn if the trees being cleared are taller than 2 m HEARING PROTECTION Wear hearing protection that provides adequate noise reduction EYE PROTECTION Always wear approved eye protection lf 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 Wear sturdy non slip boots 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 L 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 equip
36. nues to run at peak performance and to minimise harmful exhaust emissions after the running in period ask your dealer service workshop who will have a rev counter at their disposal to adjust your carburettor WARNING The complete clutch cover and shaft must be fitted before the machine is started otherwise the clutch can come loose and cause personal injury Function o The carburetor governs the engine s speed via the throttle control Air and fuel are mixed in the carburetor The air fuel mixture is adjustable Correct adjustment is essential to get the best performance from the machine The setting of the carburetor means that the engine is adapted to local conditions for example the climate altitude fuel and the type of 2 stroke oil The carburetor has three adjustment controls L Low speed jet H High speed jet T Idle adjustment screw The L and 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 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 setti
37. ons Sharpen blades and cutters using a single cut flat file Sharpen all edges equally to maintain the balance of the blade 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 Sharpening the saw blade WARNING Using an incorrect cutting attachment or an incorrectly sharpened blade increases the risk of kickback See the cutting attachment packaging for correct sharpening instructions A correctly sharpened blade is essential for working efficiently and to avoid unnecessary wear to the blade and clearing saw Make sure that the blade is well supported when you file it Use a 5 5 mm round file with a file holder 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 the top edges of the teeth with a flat file in exceptional cases If so this should be done before filing with a round file The top edges must be filed down by the same amouni for all the teeth Adjust the blade setting This should be 1 mm 2 Note Use only HUSQVARNA replacement parts Use of other brands of replacement parts can cause damage to your unit or injury to the operator or others Your warranty does not cover
38. 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 MAINTENANCE Spark plug The spark plug condition is influenced by Incorrect carburetor adjustment An incorrect fuel mixture too much or incorrect type of oil 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 0 020 The spark plug should be replaced after about a month in operation or earlier if necessary CAUTION Always use the recommended spark plug type Use of the wrong spark plug can damage the piston cylinder Sharpening grass cutters and grass blades 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 See the cutting attachment packaging for correct sharpening instructi
39. r 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 English 25 MAINTENANCE 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 Cooling fins on the cylinder 3 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 Bevel gear The be
40. ressure at the user s ear and vibration on the handles are measured with all the machine s approved cutting equipment fitted The table indicates the highest and lowest values English 29 TECHNICAL DATA Approved accessories Cutting attachment guard Art no Grass blade grass cutter Multi 255 3 255 3 teeth 537 33 16 01 Grass 255 4 255 4 teeth 537 33 16 01 7 Multi 275 4 275 4 teeth 537 33 16 01 P Multi 800 8 EEE CN EEE EL LE EEE EEE EL 30 English _FEDERAL EMISSION CONTROL WARRANTY STATEMENT_ YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA The US Environmental Protection Agency Environment Canada and Husqvarna Forest amp Garden are pleased to explain the emissions control system warranty on your 2001 and later small nonroad engine In U S and Canada new small nonroad engines must be designed built and equipped to meet the federal stringent anti smog standards Husqvarna Forest amp Garden must warrant the emission control system on your small nonroad engine for the period of time listed below provided there has been no abuse neglect or improper maintenance of your unit Your emission control system includes Parts such as the carburetor and the ignition system Where a warrantable condition exists Husqvarna Forest amp Garden will repair your small nonroad engine at no cost to you Expenses covered under warranty include diagnosis parts and labor MANUFACTURER S WARR
41. rich it will results in acceleration problems or too low a working speed 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 2 Press the start throttle lock as described under the heading Starting and stopping 3 Ifthe 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 4 Ifthe start throttle speed is too high turn the adjuster screw A anticlockwise until the cutting attachment stops Then turn adjuster screw A clockwise a further 1 2 turn 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 p 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 arresto
42. ry 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 WORKING TECHNIQUES WARNING Sometimes branches or grass get caught between the guard and cutting attachment Always stop the engine before cleaning Working methods WARNING 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 the blade kickback can occur if you attempt to cut thick stems with this area of the blade Forestry clearing using a saw blade The risk of kickback increases with increasing stem size You should therefore avoid cutting with the area of the blade between 12 o clock and 3 o clock 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 x VN S xr EI PR L 22 x S Non Jr be A
43. s 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 7 Keep the cutting attachment below waist level 8 Switch off the engine before moving to another area Fit Basic safety rules the transport guard before carrying or transporting the equipment any distance A O 9 Never put the machine down with the engine running unless you have it in clear sight 1 Look around you The ABC of clearing Always use the correct equipment 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 Make sure the equipment is well adjusted contact with the cutting attachment or loose objects that Follow the safety precautions are thrown out by the cutting attachment CAUTION Do not use the machine unless you are able to organise Your Wore carol call for help in the event of an accident Always use full throttle when starting to cut with the blade 2 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
44. se the recommended cutting attachment See the chapter on Technical data E gt I Smaller machines generally require small trimmer heads and vice versa This is because when clearing using a cord the engine must throw out the cord radially from the trimmer head and overcome the resistance of the grass being cleared The length of the cord is also important A longer cord requires greater engine power than a shorter cord of the same diameter 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 English 11 ASSEMBLY Assembling the handlebar and throttle Remove the screw at the rear of the throttle handle Slide the throttle handle onto the right side of the handlebar see diagram 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 Fit the mounting components as shown Loosely tighten the four screws R 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 RX 12 English Fitting blades and tri
45. sible for the performance of all required maintenance as defined in the operator s manual English 31 Super Auto II Super Auto I 1 VI 0 UA _ A LJ 4 EN DI A A 1140336 95 A 2005001
46. t fumes away from the user A muffler fitted with a catalytic converter is also designed to reduce harmful exhaust gases In countries that 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 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 Engine exhaust fumes contain carbon monoxide which can cause carbon monoxide poisoning For this reason you should not start or run the machine indoors or anywhere that is poorly ventilated The exhaust fumes from the engine are hot and may contain sparks which can start a fire Never star
47. t 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 attachment 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 Reduce the risk of blade thrust Obtain maximum cutting performance 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 t
48. tle lock 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 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 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 English 7 GENERAL SAFETY PRECAUTIONS Vibration damping system Your machine is equipped with a vibration damping system that is designed to reduce vibration and make operation easier Using incorrectly wound cord or a blunt or incorrect
49. vel 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 The grease in the bevel gear does not normally need to be changed except if repairs are carried out 26 English Air filter The air filler must be regularly cleaned to remove dust and dirt in order to avoid Carburettor malfunctions Starting problems Loss of engine power Unnecessary wear to engine parts 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 Always use HUSQVARNA filter oil art no 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
50. y filled 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 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 Never use the machine without a guard nor with a defective guard All covers must be correctly fitted and undamaged before you start the machine 18 English STARTING AND STOPPING 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 wrap the starter cord around your hand 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 not 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 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 For throttle han
51. y sharpened or damaged blade increases the risk of accidents Y General rules Keep the correct setting on the saw blade Follow our instructions and use the recommended setting tool An incorrectly set saw blade increases the risk of jamming and kickback and damage to the saw blade Make sure that the blade is well supported when you file o it Use a 5 5 mm round file vvith a file holder Check the cutting attachment for damage or cracks A filing angle is 15 File alternate teeth to the right and damaged cutting attachment should always be replaced those in between to the left If the blade has been heavily pitted by stones it may be necessary to dress the top 4 edges of the teeth with a flat file in exceptional cases If Cy CD so this should be done before filing with a round file The I top edges must be filed down by the same amount for all the teeth 10 English GENERAL SAFETY PRECAUTIONS Adjust the blade setting This should be 1 mm A y Trimmer head IMPORTANT Always ensure the trimmer cord is wound tightly and evenly around the drum otherwise the machine will generate harmful vibration 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 u
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