Husqvarna 326HS75 Trimmer User Manual
Contents
1. If any object is hit or if vibrations occur stop the machine immediately Remove the spark plug cable from the spark plug Check that the machine is not damaged Repair any damage If anything jams in the blades while you are working switch off the engine and wait until it has stopped completely before cleaning the blades Disconnect the HT lead from the spark plug English 9 SAFETY INSTRUCTIONS Protective instructions when work is completed T he transport guard should always be fitted to the blades when the machine is not in use Ensure the blades have stopped and remove the spark plug cable from the spark plug before carrying out cleaning repairs or an inspection Always wear heavy duty gloves when repairing the al blades T he blades are me extremely sharp and can easily causes cuts Store the machine out of reach from children e Only use original spare parts when carrying out repairs Basic working techniques e When cutting the sides of a hedge work from the bottom upwards W hen cutting horizontally work from right to left Adjust the throttle setting to suit the load W hen trimming a hedge the engine should always be turned away from the hedge T he hedge trimmer should be held as close to the body as possible to get the best balance M ake sure that the tip does not touch the ground Do not try to force the work but move at a steady speed so that all the stems are cut2. See the refuelling section Personal protective equipment e Provide good ventilation Never use a machine that has been modified so when filling or mixing that it no longer corresponds with the original fuel petrol and 2 stroke 10 ft design oil Never use a machine that is faulty Follow the l maintenance control and service instructions in Movethe machine at this Operator s Manual least 3 m from the filling Some maintenance and service actions should position before starting be carried out by trained and qualified specialists See the chapter Maintenance e Never start the machine All covers and guards must be fitted before a If you have spilt fuel on starting the machine Check that the spark plug cap and HT lead are not damaged otherwise you could get an electric shock it Wipe up all spillage b If you have spilt fuel on yourself or your clothes Change your clothes WARNING Faulty blades can increase the risk of c If there is a fuel leak accidents M ake regular checks for leakage from the fuel cap and the fuel supply pipes Start e Thegearbox and clutch drum must be fitted before the machine is started otherwise the clutch can become loose Transport and storage and cause personal injury e Store and transport the machine and fuel so that any Never start the machine indoors Bear in mind the dangers leakage or fumes do not risk coming into contact with of inhaling the engine
3. contents SYMBOL EXPLANATION SI DES en ee Le 2 CONTENTS USE CT CONTENTS er Sartre 3 SAFETY INSTRUCTIONS Personal protective equipment sssnssssensnnnenensennnnnnnnnnennennnn 4 The machines protective equipment zrenesssessesnenenennnnennenn no 4 Control maintenance and service of the hedge trimmer s protective equipment ceccccsestescsrsessstessstesesreessetesens 6 General safety instructions 222ssn22sennneennnnennenennennnnnn nennen 8 General working instructions for hedge trimmer 9 WHAT IS WHAT W hat is what on the hedge trimmer sarreren 11 FUEL HANDLING FST En ee E EE 12 A A o E 12 START AND STOP Control before Sonar 13 A e EN een 13 MAINTENANCE A PPP en een 14 VD E eset eaten eae Ne o TE E T 16 COON SON ra a 16 SPIER 1 A re 16 A o AS 17 A A e E E 17 leelo e eri E OE PR 17 M alntenance schedule oooconccnnocicocinionnoncnnrononornnran noria oran 18 EMISSION CONTROL WARRANTY STATEMENT Your warranty rights and obligatiONS ooococooccoooo 20 English 3 SAFETY INSTRUCTIONS Personal protective eqipment The machine s protective equipment IMPORTANT INFORMATION T his section describes the hedge trimmer s protective equip ment its function and how checks and maintenance are Bag carried out to ensure that it operates correctly See the chapter LS LE oe N a W hat iswhat to locate where this equipment is positioned on serious or even fatal injur
4. of the manufacturer Always use genuine accessories Non authorised modifications and or accessories can result in serious personal injury or the death of the operator or others Your warranty does not cover damage or liability caused by the use of non authorized accessories or replacement parts WARNING The inside of the muffler with catalytic converter contains chemicals that may cause cancer Do not contact inside of damaged muffler IMPORTANT ENGINE INFORMATION L HUSQVARNA AB HUSKVARNA SWEDEN TWC THIS ENGINE CONFORMS TO U S EPAPH2 AND 2000 2003 CALIFORNIA EMISSON REGULATIONS FOR SMALL OFF ROAD ENGINES REFER TO OPERATOR S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS THE AIR INDEX OF THIS ENGINE IS 3 DEE 4 T sl Tas 710 THE LOWER THE AIR INDEX THE LESS POLLUTION C EMISSIONS COMPLIANCE PERIOD CATEGORY J T his decal certifies that the product has been approved in accordance with American exhaust emissions requirements EPA Ph II and CARB Tier II T he 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 emission requirements Category C 50 hours B 125 hours and A 300 hours A WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm List of
5. them off 1 4 turn Lock the screws using the locking nuts on the top face of the bar The washers should still slide freely under the screw heads after the screws have been tightened W hen the blades are correctly adjusted the play between the blades should be 0 2 0 4 mm measured at the screws T he edges of the blade are too hard to be filed D ull blades should be sharpened using a grinder SAFETY INSTRUCTIONS e Replace the blades if they are bent or damaged 7 Assembly of the catcher accessory Loosen the nuts on top of the cutter bar Align the bolts in the holes on the catcher and fit the nuts Adjust the blades contact pressure according to point 6 8 Gearbox The gearbox gets hot when the hedge trimmer isin use To avoid burning yourself do not touch the gearbox English 7 SAFETY INSTRUCTIONS General safety instructions Fuel safety IMPORTANT INFORMATION Always use a fuel container with an anti e The machine is only designed for cutting spill valve branches and twigs e Never fill the machine Never use the machine if you are tired if you ae while the engine is have consumed alcohol or if you are taking medicines that can affect your sight your running Always stop the judgement or the control of your body engine and let it cool for a few minutes before Use personal protective equipment
6. 1Q 1 06 0 5 13 0 5 9 97 25 530 7 1 6 2 1 000 4695 N ote 1 Equivalent sound pressure level is calculated as the time weighted energy total for sound pressure levels under various working conditions with the following time distribution 1 2 idle and 1 2 max speed English 1 9 EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA U S Environmental Protection Agency CARB California Air Resources Board and H usqvarna Forest amp Garden are pleased to explain the emissions control system warranty on your 2001 and later small off road engine In U S new small off road engines must be designed built and equipped to meet the federal or California stringent anti smog standards H usqvarna Forest amp Garden must warrant the emission control system on your small off road engine for the periods of time listed below provided there has been no abuse neglect or improper maintenance of your small offroad engine Your emission control system includes parts such as the carburetor the ignition system and catalytic converter W here a warrantable condition exists H usqvarna Forest amp Garden will reoair your small off road engine at no cost to you including diagnosis parts and labor MANUFACTURER S WARRANTY COVERAGE The 2001 and later small off road engines are warranted for two years If any emission related part on your engine Is defective the part will be repaired or replaced by H us
7. ON Blows from branches or objects thrown by the moving blades can damage the eyes 2 Stop switch T he stop switch C should BOOTS be used to stop the engine U se anti slip and stable boots CLOTHING Wear clothes made of a strong fabric and avoid loose clothing that can catch on shrubs and branches Always wear heavy duty long pants Do not wear jewellery shorts sandals or go barefoot Secure hair so it is above shoulder level 3 Hand guard The hand guard D prevents the operator s hands from coming into contact with the blades For example if the operator should loose his grip on the front handle FIRST AID KIT A first aid kit should be close at hand 4 English SAFETY INSTRUCTIONS 4 Vibration damping system The hedge trimmer is equipped with a vibration damping system which is designed to give as vibration free and comfortable use as possible The hedge trimmer s vibra tion damping system reduces the transfer of vibrations between the engine unit blades and the hedge trim mer s handles T he engine body including the blades is suspended on the handlebar system by five springs WARNING Over exposure to vibrations can result in blood vessel or nerve injury to persons suffering with blood circulation problems Seek medical attention if you experience physical symptoms that can be related to over exposure to vibrations Examples of such symptoms ar
8. Operator s manual CARB II EPA ID 326HS75 X series 326HS99 X series Please read these instructions carefully and make ure you understand them before using the machine English Symbols gt E O 7 SYMBOL EXPLANATION WARNING T he hedge trimmer can be dangerous Careless or incorrect use can result in serious even fatal injury Read through the O perator s M anual carefully and understand the content before using the hedge trimmer Always use e Ear protection Approved eye protection e This product isin accordance with applicable CE directives e Always wear approved protective gloves Other symbols decals on the machine refer to special certification requirements for certain markets 2 English Checks and or maintenance should be carried out with the engine switched off with the stop switch in the STOP position Always use approved protective gloves Regular cleaning required O cular control Approved eye protection must always be used CONTENTS H usqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice Maintenance replacement or repair of the emission control devices and systems 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
9. also the automatic start throttle position Stop The engine is stopped by switching the ignition off AIR PURGE using the stop switch Press the air purge diaphragm repeatedly until fuel begins to fill the diaphragm T he diaphragm need not be completely filled English 1 3 MAINTENANCE Carburetor Your H usqvarna product has been designed and manufactured to specifications that reduce harmful emissions After your unit has been run 8 10 tanks of fuel the engine has broken in To ensure that your unit is at peak performance and producing the least amount of harmful emissions after break in have your authorized servicing dealer who has a revolution counter at his disposal to adjust your carburetor for optimum Operating conditions WARNING The blades must be fitted before the hedge trimmer is started otherwise the clutch can become loose and cause personal injury Operation e Thecarburetor governs the engines speed via the throttle Air fuel is mixed in the carburetor T he air fuel mixture is adjustable To take advantage of the engines optimal output the adjustment must be correct e Thesetting of the carburetor means that the engine is adapted to local conditions for example the climate altitude gasoline and the type of 2 stroke oil e Thecarburetor is equipped with three adjustment possibili ties H H igh speed needle L Low speed needle T Idle speed adjuster scre
10. cutters start to move T he cutters should not move when the choke control isin the start throttle position WARNING Contact your dealer service workshop if the idle speed setting cannot be adjusted so that the blades stop Do not use the machine until it has been properly adjusted or repaired High speed needle H The high speed needle affects the machines power speed temperature and fuel consumption A too lean adjustment on the high speed needle H the high speed needle H is screwed in too much gives a too high speed resulting in engine damage Do not allow the engine to run at full speed for more than 10 seconds Apply full throttle and turn the high speed needle H slowly anticlockwise until the engine runs unevenly T he high speed needle H is then turned slowly clockwise a e little until the engine runs smoothly O N ote the engine should be O run unloaded when adjusting H the high speed needle 2 Thehigh speed needle is adjusted correctly when the machine splatters a little If the machine smokes heavily at the same time as it splatters heavily the adjustment is too rich N OTE For optimum setting of the carburetor contact a qualified servicing dealer who has a revolution counter at his disposal Correctly adjusted carburetor W hen the carburettor is correctly adjusted the machine will accelerate without hesitation and the engine will splutter a little at maximum speed In additi
11. d on or modified parts can be grounds for disallowing a warranty claim H usqvarna 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 H usqvarna 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 H usqvarna Forest 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 maintainance schedule 4 Ignition System a Spark Plug covered up to maintenance schedule b Ignition M odule 5 M uffler with catalytic converter MAINTENANCE STATEMENT T he owner is responsible for the performance of all required maintenance as defined in the operator s manual 114 00 15 93 TUL 2002W01
12. d workmanship which cause the failure of a warranted part for a period of two years 20 English WHAT IS COVERED REPAIROR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved H usqvarna 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 H usqvarna 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 reolacement 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 H usqvarna Forest amp Garden servicing dealer CONSEQUENTIAL DAMAGES H usqvarna Forest amp Garden may be liable 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 T he use of ad
13. diaphragm repeatedly until fuel begins to fill the diaphragm T he diaphragm Start and stop need not be completely WARNING The gearbox and clutch drum must be fitted before the machine is started Press the machine body otherwise the clutch can become loose against the ground using your and cause personal injury left hand NOTE Do not use your foot Grip the starter Always move the hedge trimmer about 3 handle with your right hand metres from the filling position before the and dow Il the start machine is started Place the machine on y Ee eden a hard surface Bear in mind that the cord out until you feel some blades could start to move when the resistance the starter hooks engine starts Make sure the blades grip now quickly and cannot come into contact with any object powerfully pull the cord Make sure that no unauthorised persons Immediately press the choke are in the working area otherwise there is control in when the engine a risk of serious personal injury fires and repeat until the engine starts W hen the engine starts quickly apply Cold engine 9 full throttle and the start IGNITION throttle will automatically Set the stop switch to the disengage Start position NOTE Do not pull the starter cord out completely and do not release the starter cord from the fully extended position T his can damage the hedge trimmer CHOKE Set the choke control in the choke position A T he choke position is
14. e numbness lack of feeling tickling pricking pain lack of or a reduction in normal strength changes in the colour of the skin or its surfaces These symptoms normally appear in the fingers hands or wrists 5 Muffler T he muffler is designed to give the lowest possible noise level and to direct the engine s exhaust fumes away from the operator M uffler fitted with catalytic con verter is also designed to reduce harmful exhaust components In countries that have a warm and dry climate the risk of fireis obvious We have therefore fitted certain mufflers with a spark arrest screen M ake sure that your muffler is fitted with this kind of screen It is extremely important that the instructions for checking maintaining and servicing the muffler are followed See the section Control maintenance and service of the machine s safety equipment WARNING Mufflers fitted with catalytic converters become extremely hot during use and after stopping This also applies at idling speeds Contact can result in burns to the skin Be observant to the risk of fire WARNING Bear in mind that exhaust fumes e contain carbon monoxide which can cause carbon monoxide poisoning Therefore never start or run the machine indoors are hot and can contain sparks that can cause fires Never start the machine indoors or close to inflammable material English 5 SAFETY INSTRUCTIONS Co
15. en the idling screw T and then theH jet Conditions Before any adjustments are made the airfilter should be clean and the airfilter cover fitted Adjusting the carburetor while a dirty airfilter isin use will result in a leaner mixture when the filter is finally cleaned T his can give rise to serious engine damage e Carefully turn theL and H needle to the mid point between fully turned in and fully turned out Do not attempt to adjust the needles beyond the stops as damage can occur e N ow start the machine according to the starting instructions and run it warm for 10 minutes NOTE If the blades move theT screw should be turned counter clockwise until the blades stop Low speed needle L Try to find the highest idling speed turning the low speed needle L clockwise respectively counter clockwise W hen the highest speed has been found turn the low speed needle L 1 4 turn counter clockwise NOTE If the blades move when the engine is idling turn the idling speed screw T counter clockwise until the blades stop MAINTENANCE Adjusting the idle speed T Adjust the idling speed with the screw T if it is necessary to readjust First turn the idle speed adjusting screw T clockwise until the blades start moving Then turn the screw anti clockwise until the blades stop T he idle speed is correctly adjusted when the engine runs smoothly in every position T here should be a good margin to the speed when the
16. evenly 10 English WHAT IS WHAT Husqvarna What is what on the hedge trimmer oe of oS ST ee eS E a E O perator s M anual Grease nipple G earbox Blades H and guard H andle Cylinder cover Starter handle Fuel cap Fuel tank 11 12 15 14 15 16 17 18 19 20 Air purge Choke T hrottle trigger lock T hrottle trigger Stop switch Air filter cover Spark plug spanner Allen key Blade cover Transport Catcher accessory English 11 FUEL HANDLING Fuel mixture NOTE The machine is fitted with a two stroke engine and must always berun on a mixture of gasoline and two stroke oil It is important to measure the quantity of oil accurately to ensure the correct mixture ratio Small discrepancies in the amount of oil have a great bearing on the proportions of the fuel mixture when mixing small amounts of fuel WARNING Always provide good ventilation when handling fuel Gasoline NOTE Always use an oil mixed quality gasoline at least 87 octane If your machine is equipped with a catalytic converter an unleaded oil mixed quality gasoline should always be used A leaded gasoline will destroy the catalytic converter This engine is certified to operate on unleaded gasoline The lowest recommended octane rating is 87 If you run the engine on lower octane rating than 87 so called knocking can occur T his leads to a
17. he other safety equipment described in the section Personal protective equipment e Always wear working clothes and thick long trousers N ever wear loose fitting clothes or jewellery e Secure hair so it is above shoulder level Protective instructions regarding the surroundings e N ever allow children to use the machine e Ensure no one comes within 15 metres while working Pas UN N ever allow anyone to use the machine without first being absolutely sure that they understand the contents of the O perator s M anual N ever work on a ladder stool or any other raised position that is not fully secured Protective instructions while working e Always ensure you have a Safe and firm working position Always use both hands to hold the machine H old the machine in front of you Use your left hand to operate the throttle M ake sure that your hands and feet cannot come into contact with the blades when the engine is running Watch out for stumps of branches that can be thrown out during cutting When the engine is switched off keep your hands and feet away from the blades until they have stopped Do not cut too close to the ground Stones and other objects can be thrown Check the hedge you intend to trim for foreign objects such as electricity cables insects and animals etc and for other objects that could damage the cutting attachment such as metal items
18. lutch spring and clutch drum for wear Change if necessary e Check electrical wires and connections e Change the spark plug e Change the airfilter Check and clean the muffler s spark arrest screen if necessary only mufflers with a catalytic converter 18 English Technical data Engine Displacement cu in cm Cylinder bore inch mm Stroke length inch mm Idling speed rom Recommended max speed rom M ax engine output acc to ISO 8893 Catalytic converter muffler Speed regulated ignition system Ignition system M anufacturer type of ignition system Spark plug Electrod gap inch mm Fuel lubrication system M anufacturer type of carburetor Fuel tank capacity US pint litres Weight Weight without fuel LB S kg Sound levels See note 1 Equivalent sound pressure level at the user s ear measured according to EN ISO 11806 and ISO 7917 dB A Vibration levels Vibration levels on the handles measured according to EN ISO 11806 and ISO 7916 m s Idling rear front handles M ax speed rear front handles Blades Length mm Blade speed cut min TECHNICAL DATA 326HS75 1 50 24 5 1 34 34 1 06 27 2 700 11 000 0 9 kW 9 000 rpm Yes Yes Walbro MB Champion RC 6Y 0 02 0 5 ZamaC10 1 06 0 5 12 3 5 0 3 3 3 6 1 102 720 4695 326HS99 1 50 24 5 1 34 34 1 06 27 2 700 11 000 0 9 kW 9 000 rpm Yes Yes Walbro MB Champion RC 6Y 0 02 0 5 ZamaC
19. n increased engine temperature which can result in a serious engine breakdown W hen working at continuous high revs a higher octane rating Is recommended Two stroke oil e For the best results use H U SQ VARNA two stroke oil which has been specially developed for HUSQVARNA s small two stroke engines M ixing ratio 1 50 2 e N ever use two stroke oil intended for water cooled outboard motors so called outboard motor oil e N ever use oil intended for four stroke engines 12 English Mixture e Always mix gasoline and oil in a clean container intended for fuel e Always start by filling half the quantity of gasoline required Then add the entire oil quantity M ix shake the fuel mixture Fill the remaining quantity of gasoline e Mix shake the fuel mixture carefully before filling in the machine s fuel tank e Do not mix more than max one month s supply of fuel f the machine is not used for a long period of time the fuel tank should be emptied and cleaned e This engine is certified to operate on unleaded gasoline 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 handling the saw near flammable substances or vapours Fuelling WARNING The following precautions reduce the risk of fire Do not smoke or place any sources of heat in the vicinity of the fuel Never refuel when the e
20. ngine is running Always stop the engine and let it cool for a few minutes before refuelling Open the fuel cap slowly when fuelling so that any over pressure is released slowly Tighten the fuel cap carefully after refuelling Always move the machine from the fuelling place before starting e Clean around the fuel cap Contamination in the tank Y can disrupt operations e Ensure that the fuel is well mixed by shaking the container before filling the tank Oil 2 1 50 START AND STOP Control before starting Warm engine IGNITION Set the stop switch to the Start position e Inspect the working area Remove objects that can be thrown e Check the blades N ever use blades that are dull cracked or damaged e Check that the hedge trimmer isin full working order Check that all nuts and bolts are tightened correctly e M ake sure the gearbox is lubricated correctly See the section Lubricating the blades e Ensure the blades always stop when the engine is idling e Only usethe machine for what it is intended for Ensure that the handle and safety functions are in order N ever use a machine that lacks a part or has been modified outside of the specifications CHOKE Set the choke control in the choke position and then back again to its original position B In this way only the start throttle is applied with no choke AIR PURGE Press the air purge
21. ntrol maintenance and service of the hedge trimmer s protective equipment IMPORTANT INFORMATION e All service and repairs to the machine require special training This applies especially to the machine s safety equipment If the machine does not meet any of he controls listed below you should contact your service workshop The purchase of one of our products guarantees that professional repair and servicing will be carried out on it If the point of purchase is not one of our servicing dealers please ask for details of the closest service workshop WARNING Never use a machine with defective safety equipment The safety equipment should be maintained as described in this section If your machine does not meet any of these controls you should contact your service workshop WARNING Always stop the engine before starting work on any part of the cutting equipment This continues to rotate even after the throttle has been released Ensure that the cutting equipment has stopped completely and remove the cable from the spark plug before you start to work on it 1 Throttle trigger lock e Check that the throttle is locked in the idling position when the throttle trigger lock isin its original position e Pressin the throttle trigger lock and make sure it returns to its original position when released e Ensure that the throttle and throttle trigger lock move easily and that their return spring system
22. on the cutters must not move when idling or when the choke control is in the start position If the low speed needle is set for too lean a mixture it can cause starting problems and poor acceleration A too lean adjusted high speed needle H gives lower power less capacity bad acceleration and or damage to the engine A too rich adjustment of the two speed needles L and H gives acceleration problems or too low working speed English 1 5 MAINTENANCE Muffler NOTE Some mufflers are fitted with a catalytic converter See Technical data to see whether you clearing saw is fitted with a catalytic converter T he muffler is designed to dampen the noise level and to direct the exhaust fumes away from the user The exhaust fumes are hot and can contain sparks which can result in fire if the exhaust fumes are directed towards a dry and inflammable material Some mufflers are equipped with a special spark arrest screen If your machine is fitted with this type of screen it should be cleaned regularly T his is done using a wire brush On mufflers without a catalytic converter the screen should be cleaned weekly or reolaced if necessary On mufflers fitted with a catalytic converter the screen should be checked and cleaned monthly If the screen is damaged it should be replaced If the screen is frequently blocked this can be a sign that the function of the catalytic converter is impaired Contact your dealer to ins
23. 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 on the machine N ever use common engine oil T his would drain through the filter quite quickly and collect in the bottom Gearbox There is a grease nipple A on the gearbox U se a grease gun to top up with grease T his should be carried out after approximately every 20 working hours U se H usqvarna special grease No 503 98 96 01 N ote that the gearbox must not be filled completely with grease T he grease expands as the machine heats up during operation If the gearbox was completely filled with grease it could damage the seals and lead to leakage The lubricant in the gearbox does not normally need to be reolaced other than with repair Cleaning and lubrication After you have used the machine clean any resin and plant residue from the blades using cleaning agent 531 00 60 75 UL22 Always lubricate the blade runners with special grease 531 00 60 74 UL 2001 before use English 17 MAINTENANCE Maintenance schedule Below you will find some general maintenance instructions Daily maintenance Check throttle trigger and throttle trigger lockout function e Check stop switch function Check that the blades do not rotate while idling or when the choke isin the start position e Clean the exte
24. pect the muffler A blocked screen will cause the engine to overheat resulting in damage to the cylinder and piston Also see under M aintenance lel NOTE N ever use a machine with a defective muffler WARNING Mufflers fitted with catalytic converters become extremely hot during use and after stopping This also applies at idling speeds Contact can result in burns to the skin Be observant to the risk of fire 16 English Cooling system To maintain as low opera ting temperature as possible the engine is equipped with a cooling system The cooling system consists of 1 An air intake on the starter unit 2 Cooling fins on the SS flywheel gt P 3 Cooling fins on the A cylinder 4 Cylinder cover leads INS cold air onto the cylin EN der D Clean the cooling system using a brush at least once a week in difficult conditions more often BE A dirty or blocked cooling system leads to the engine overheating resulting in damage to the cylinder and piston Spark plug Thecondition of the spark plug is affected by e An incorrect carburetor setting e An incorrect fuel mixture too much or faulty oil e A dirty air filter T hese factors cause deposits on the spark plug electrode that may result in malfunction or starting difficulties If the machine is low on power difficult to start or runs poorly while idling always check the spark plug first before taking othe
25. qvarna Forest amp Garden OWNER S WARRANTY RESPONSIBILITIES As the small off road engine owner you are responsible for the performance of the required maintenance listed in your O wner s M anual H usqvarna Forest amp Garden recommends that you retain all receipts covering maintenance on your small off road engine but H usqvarna Forest amp Garden cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance Asthe small off road engine owner you should however be aware that H usqvarna Forest amp Garden may deny you warranty coverage if your small off road engine or a part has failed due to abuse neglect improper maintenance or unapproved modifications You are responsible for presenting your small off road engine to a H usqvarna Forest amp Garden authorized servicing dealer as soon as a problem exists T he 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 H usqvarna Forest amp Garden at 1 800 487 5963 WARRANTY COMMENCEMENT DATE The warranty period begins on the date small off road engine is delivered LENGTH OF COVERAGE H usqvarna Forest amp Garden warrants to the initial owner and each Subsequent purchaser that the engine is free from defects in materials an
26. r action If the spark plug is dirty clean it and at the same time check that the electrode gap is0 5 mm T he spark plug should be changed after about one month of operation or earlier if necessary NOTE Always use the recommended type of spark plug An incorrect spark plug can damage the cylinder piston MAINTENANCE Air filter Theair filter A should be cleaned regularly removing dust and dirt to avoid carburetor malfunction starting problems reduced engine power unnecessary wear to engine parts abnormal fuel consump tion Clean the filter after every 25 hours or more regularly if operating conditions are exceptionally dusty Cleaning the air filter Dismantle the air filter cover B and remove the air filter Wash in clean warm soapy water Ensure that the filter is dry before refitting An air filter used for along period of time can never be cleaned completely T herefore it is necessary to replace the filter from time to time with a new filter 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 the section on Oiling the air filter Oiling the air filter Always use HUSQVARNA filter oil order no 503 47 73 01 T hefilter 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 the pour the filter oil
27. rior of the machine e Check that the harness is undamaged e Check that the blade is properly centred sharp and without cracks e Check the hand guard for cracks and chips or damage Replace if necessary e Check that the blade screws are sufficiently tightened See the section Control maintenance and service of the machine s safety equipment e Make sure that the blade transport guard is undamaged and that it can be securely fitted e Check that nuts and screws are sufficiently tightened e Check for fuel leaks Weekly maintenance e Check the starter especially cord and return spring M ake sure that the vibration damping elements are not damaged e Clean the carburetor area e Clean the exterior of the spark plug e Remove it and check the electrode gap e Adjust it to 0 5 mm 020 or change the spark plug e Clean the cooling fins on the cylinder and check that the air intake at the starter is not clogged e Fill the gearbox with grease T his should be carried out after approximately every 20 working hours e Clean the air filter e Clean or replace the muffler s spark arrest screen not on mufflers with a catalytic converter Monthly maintenance e Clean the fuel tank e Clean the exterior of the carburetor and the space around it e Clean the fan and the space around it e Check fuel hose for cracks or other damage Change if necessary e Change fuel filter in fuel tank Check clutch c
28. s function e Seethe section Start Start the hedge trimmer and apply full throttle R elease the throttle and check that the blades stop and remain at a standstill If the blades rotate with the throttle in the idling position then the carburettor s idling setting must be checked See chapter M ainte nance 6 English 2 Stop switch e Start the engine and make sure that the engine stops when the stop switch is moved to the stop position 3 Hand guard e Check that the hand guard D is secured e M ake sure the hand guard D isnot dam aged in anyway 4 Vibration damping system e Check the vibration damping element regularly for material cracks and distortion e Check that the vibration damping element is securely attached between the engine unit and the handlebar unit 5 Muffler e Never use a machine that has a defective muffler e Check regularly that the muffler is secure e If your muffler is fitted with a spark arrest screen then it should be cleaned regularly A blocked screen leads to the engine overheating with serious damage as a result N ever use a muffler with a defective spark arrest screen 6 Blades To ensure good cutting results it is important that the contact pressure between the blades is correct The contact pressure between the blades is adjusted by tightening the screws on the underside of the bar as far as they will go then backing
29. s exhaust fumes sparks or naked flames For example electric machines electric motors electrical switches power switches heaters e Observe your surroundings and make sure that there is no or the like risk Of people or animals coming into contact with the cutting equipment e When storing and transporting fuel approved containers intended for this purpose must be used e Place the machine on the ground make sure the blades are free from branches and stones Press the machine body against the ground using your left hand NOTE Do not use your foot Grip the starter handle with your right hand and pull the starter cord e When storing the machine for long periods the fuel tank must be emptied Contact your local petrol station to find out how to dispose of excess fuel e The blades transport guard should always be fitted when transporting or storing the hedge trimmer WARNING Exercise great care when handling fuel Bear in mind the risk of fire explosions and inhaling fumes 8 English SAFETY INSTRUCTIONS Safety instructions when using the hedge trimmer WARNING The hedge trimmer can cause serious personal injury Read the safety instructions carefully Learn how to use the machine WARNING Cutting tool Do not touch the tool without first switching off the engine NOTE Read the O perator s M anual carefully before using the hedge trimmer Personal protection e Always wear boots and t
30. w Thefuel quantity in relation to the air flow permitted by the throttle opening is adjusted using the L and H needles Turning the needles clockwise gives a leaner fuel mixture less fuel and turning them anti clockwise gives a richer fuel mixture more fuel A leaner mixture gives high revs while a richer mixture give less revs e TheT screw regulates the position of the throttle while the engine Is idling Turning the screw clockwise gives a higher idling speed while turning it anti clockwise gives a lower idling speed 14 English Basic setting e Thecarburetor is set to its basic setting when test run at the factory T he basic setting is richer than the optimal setting and should be kept during the machines first working hours T hereafter the carburetor should be finely adjusted Fine adjustment should be carried out by a skilled technician NOTE If the blades move while the engine is idling the T screw should be turned anti clockwise until the blades stop Recommended idling speed is 2 700 rpm Recommended max speed See technical data WARNING If the idling speed cannot be adjusted so that the blades stop contact your service workshop Do not use the machine until it has been correctly adjusted or repaired Fine adjustment e When the machine has been run in the carburetor should be finely adjusted T he fine adjustment should be carried out by qualified person First adjust the L jet th
31. y It is extremely important that you read and understand this your machine manual e Incorrect or careless use of a hedge trimmer can WARNING Never use a hedge trimmer with defective protective equipment Follow the control When using a hedge trimmer protective equipment approved by the appropriate authorities must be used Personal protective maintenance and service instructions equipment does not eliminate the risk of HESeHIDediIntHis section accidents however it can reduce the effects of an injury in the event of an accident Ask your dealer for help when choosing protective equipment 1 Throttle trigger lock Thethrottle trigger lock is WARNING designed to prevent the A N Remove your hearing protection as soon as throttle from accidentally you stop the engine so that you can hear being engaged T he trigger any noises or warning signals A can only be pressed in if the lock B is held in the operator holding the handle W hen the grip on the handle is released the throttle and the throttle trigger lock return to their original positions T his takes place via two indepen dent return spring systems This means that the throttle is automatically locked in the idling position GLOVES Gloves should be worn when necessary e g when inspect ing cleaning or assembling cutting equipment EAR PROTECTION Ear protection offering sufficient dampening effect should be used EYE PROTECTI
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