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Operator's manual ( CARB II , EPA II ) / r / _ 326 H S75 x - , e , - ie , 326HS99x . , erie , Please read these instructions carefully and makee . sure you understand them before using the machin English
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SYMBOL EXPLANATION Symbols Checks and / or maintenance should be carried out with the engine switched off , with the stop switch in the STOP position . WARNING ! The hedge trimmer can be dangerous ! Careless or incorrect use can result in serious , even fatal injury . Awyroruoveeoeeve carefully and understand the contental Read through tile Operator's Manu before using the hedge trimmer . Always use I _ I Regular cleaning required . • Ear protection • Approved eye protection • This product is in accordance with I _ I Ocular control . applicable CE directives . gloves . used . • Always wear approved protective Approved eye protection must always be Other symbols / decals on the machine refer to special certification requirements for certain markets . 2 - English
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CONTENTS Husqvarna AB has a policy of contirmous product List of contents development and therefore reserves the right to modify the design and appearance of products without prior notice . SYMBOL EXPLANATION Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Maintenance , replacement , or repair of the emission control devices and systems may be performed by any nonroad CONTENTS engine repair establishment or individual . List of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SAFETY INSTRUCTIONS Personal protective equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 The machine's protective equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Control , maintenance and service of the hedge trimmer's protective equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 General working instructions for hedge trimmer . . . . . . . . . . . . . . . . . . 9 WHAT IS WHAT ? What is what on the hedge trimmer ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 FUEL HANDLING Fuel mixture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Fuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 START AND STOP i ! ! iiii ! : ilill ¸ ! , ¸ i ¸ ! i ¸ ii ¸ iiiiiiii ! ii ¸ iliiiIl ¸ iiii ¸ liiiiiiii ! ! i ! iiii ! i ¸ ! l : il ! i ! ! ! ii ! iiiii ! ! ! ! ! iiiii ¸ l ! ! ! iiii ¸ : iiiii ! iilii : iiii ! i ! i ! iii ! ii ! ! ! iiiiii ! ! ! iiiiii ! liiiiiiiiii ! iiIiiJii : ii ! ! iiii ; i ! i ! Control before starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Start and stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 MAINTENANCE Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Muffler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 IMPORTANT ENGINE INFORMATION Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Air filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 HUSQVARNA AB HDSXVARNA SWEDEN TWC Gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 CALIFORNIA EMISSON REGULAItONS FOR SMALL OFF * Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ROADENGINES , REFERTOOPERATOR " S MANUAL FOR MAINTENANCESPECIFICATIONSAND ADJUSTMENTS , Maintenance schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 THE AIR INDEX OFTHIS ENGINEIS 3 ri _ l 41 i 61 i 81 I 101 THE LOWER THE AIR INDEX , THE LESSPOLLUTION TECHNICAL DATA EMISSIONSCOMPLIANCE PERIOD : CATEGORY 326HS75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 326HS99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 This decal certifies that the product has beer ] approved in accordance with American exhaust emissions requirements EMISSION CONTROL WARRANTY STATEMENT EPA Ph II and CARB Tier II . Your warranty rights and obligations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 The Emissions Compliance Period referred to on the Emissions Compliance label indicates the rmmber of operating hours for which the engine has been shown to meet Federal arm California emission requirements . Category C = 50 hours , B = 125 hours , and A = 300 hours . WARNING The engine exhaust from this productate contains chemicals known to the St of California to cause cancer , birth defects or other reproductive harm . English - 3
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SAFETY INSTRUCTIONS Personal protective eqipment The machine's protective equipment IMPORTANT INFORMATION This section describes the hedge trimmer's protective equip - ment , its function and how checks and maintenance are Incorrect or careless use of a hedge trimmer can carried out to ensure that it operates correctly . ( See the chapter turn it into a dangerous tool that can cause " What is what " to locate where this equipment is positioned on serious or even fatal injury . It is extremely your machine . ) important that you read and understand this manual . When using a hedge trimmer , protective equipment approved by the appropriate authorities must be used . Personal protective equipment does not eliminate the risk of 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 The throttle trigger lock is designed to prevent the throttle from accidentally being engaged . The trigger ( A ) can only be pressed in , if the lock ( B ) is held in ( = tile operator holding the GLOVES handle ) . When the grip on Gloves should be worn when the handle is released the necessary , e . g . , when inspect - throttle and the throttle ing , cleaning or assembling trigger lock return to their cutting equipment . original positions . This takes place via two indepen - EAR PROTECTION dent return spring systems . Ear protection offering This means that the throttle sufficient dampening effect is automatically locked in should be used . the idling position . EYE PROTECTION Blows from branches or 2 . Stop switch objects thrown by the moving blades can damage the eyes . The stop switch ( C ) should be used to stop the engine . BOOTS Use anti - slip and stable boots . CLOTHING Wear clothes made of a strong fabric and avoid loose 3 . Hand guard clothing that can catch on D shrubs and branches . Always The hand guard ( D ) wear heavy - duty long pants . prevents the operator's Do not wearjewellery , shorts , hands from coming into sandals or go barefoot . Secure contact with the blades . For hair so it is above shoulder example , if the operator level . should loose his grip on the front handle . FIRST AID KIT A first aid kit should be close at hand . 4 - English
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SAFETY INSTRUCTIONS 4 . Vibration 5 . Muffler damping system The muffler is designed to give the lowest possible The hedge trimmer is noise level and to direct the equipped with a vibration engine's exhaust fumes away damping system , which is from the operator . Muffler designed to give as vibration - fitted with catalytic con - free and comfortable use as verter is also designed to possible . reduce harmful exhaust components . The hedge trimmer's vibra - In countries that have a tion damping system reduces warm and dry climate tile the transfer of vibrations risk of fire is obvious . We between the engine / unit have therefore fitted certain blades and the hedge trim - mufflers with a spark arrest mer's handles . The engine screen . Make sure that your body , including the blades , is muffler is fitted with this suspended on tile handlebar kind of screen . system by five springs . 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 } safety equipment " ) . English - 5
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SAFETY INSTRUCTIONS Control , maintenance and service of the hedge trimmer's protective equipment IMPORTANT INFORMATION 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 . 1 . Throttle trigger lock 2 . Stop switch Check that the throttle is • Start the engine and locked in the " idling make sure that the engine position " when the stops when the stop switch is moved to the throttle trigger lock is in its original position . stop position . • Press in the throttle trigger lock and make sure it returns to its original position when released . 3 . Hand guard • Ensure that the throttle • Check that the hand and throttle trigger lock guard ( D ) is secured . D move easily and that their \ " \ \ \ return spring systems • Make sure the hand function . guard ( D ) is not dam - aged in anyway . • See the section " & ar [ ' . Start the hedge trimmer and apply full throttle , f Release the throttle and check ttlat the blades 4 . Vibration stop and remain at a standstill . If the blades damping system rotate with the throttle in • Check the vibration the idling position then damping element the carburettor's idling regularly for material setting must be ctmcked . cracks and distortion . See chapter " Mainte - nance ' _ • Check that the vibration damping element is securely attached between the engine unit and the handlebar unit . 6 - English
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SAFETY INSTRUCTIONS 5 . Muffler • Replace the blades if they are bent or damaged . • Never use a machine that has a defective muffler . • Check regularly that the muffler is secure . • 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 re . sult . Never use a muffler with a defective spark arrest screen . 7 . Assembly of the catcher ( accessory ) 6 . Blades Loosen tile nuts oi1 top of the cutter bar . Align the bolts in To ensure good cutting the holes on the catcher and results it is important that fit the nuts . Adjust the blades ' the contact pressure contact pressure according to between the blades is point 6 . correct . The contact pressure between tile blades is adjusted by tightening the 8 . Gearbox screws on the underside of the bar as far as they will • The gearbox gets hot go , then backing them off when the hedge trimmer 1 / 4 turn . Lock the screws is in use . To avoid using the locking nuts on burning yourself do not the top face of the bar . The touch the gearbox . washers should still slide freely under the screw heads after the screws have been tightened . When the blades are correctly adjusted the play between the blades should be 0.2 0.4 mm , measured at the screws . The edges of the blade are too hard to be filed . Dull blades should be sharpened using a grinder . English - 7
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SAFETY INSTRUCTIONS Fuel safety General safety instructions IMPORTANT INFORMATION • Always use a fuel container with an anti - The machine is only designed for cutting spill valve . branches and twigs . • Never fill the machine Never use the machine if you are tired , if you while the engine is have consumed alcohol , or if you are taking rurming . Always stop the medicines that can affect your sight , your engine and let it cool for judgement or the control of your body . a few minutes before Use personal protective equipment . See the refuelling . section " Personal protective equipment " . • Provide good ventilation Never use a machine that has been modified so when filling or mixing that it no longer corresponds with the original ( 10 ft ) Min . 3 m j fuel { petrol and 2 - stroke design . oil ) . Never use a machine that is faulty . Follow the • Move the machine at maintenance , control and service instructions in least 3 m from the filling this Operator's Manual . Some maintenance and service actions should position before starting . be carried out by trained and qualified specialists . See the chapter " Maintenance ' ; • 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 it . Wipe up all spillage . cap and HT lead are not damaged , otherwise you could get an electric shock . b ) If you have spilt fuel on yourself or your clothes . Change your clothes . c ) If there is a fuel leak . Make regular checks for leakage from tile fuel cap and the fuel supply pipes . Start • The gearbox and clutch drum must be fitted before the machine is started , otherwise the clutch can become loose Transport and storage and cause personal injury . 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's exhaust fumes . sparks or naked flames . For example , electric machines , electric motors , electrical switches / power switches , heaters 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 . When storing and transporting fuel , approved containers intended for this purpose must be used . • Place the machine on the ground , make sure the When storing the machine for long periods the fuel tank @ blades are free from must be emptied . Contact your local petrol station to find branches and storms . out how to dispose of excess fuel . Press the machine body against the ground using The blades transport guard should always be fitted when your left hand ( NOTE ! transporting or storing the hedge trimmer . Do not use your foot ) . Grip the starter handle with your right hand and pull the starter cord . 8 - English
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SAFETY INSTRUCTIONS Safety instructions when using the hedge Protective instructions while working trimmer Always ensure you have a safe arm firm working @ position . Always use both harms to hold the machine . Hold the machine in front of you . Use your left hand to operate the throttle . Make sure that your hands arm feet cannot come into contact with the blades when the NOTE [ Read the Operator's Manual carefully before using the hedge trimmer . engine is running . Watch out for stumps of branches that can be Personal protection thrown out during • Always weal - boots , and tile cutting . other safpty equipment described in the section When the engine is " Personal protective switched off keep your harms arm feet away from equipment " . the blades until they have • Always wear working stopped . clothes and thick , long trousers . • Never wear loose fitting Do not cut too close to the ground . Storms arm other objects clothes or jewellery can be throwrL • Secure hair so it is above Check the hedge you intend to trim for foreign objects such shoulder level . as electricity cables , insects and animals , etc , and for other objects that could damage the cutting attachment , such as metal items . Protective instructions regarding the If any object is hit or if vibrations occur stop tile machine surroundings immediately . Remove the spark plug cable from the spark • Never allow children to use plug . Check that the machine is not damaged . Repair any the machine . damage . • Ensure no one comes If anythingjams in the blades while you are working , switch within 15 metres while off the engine and wait until it has stopped completely working . before cleaning the blades . Disconrmct the HT lead from the spark plug . • Never allow anyone to use the machine without first being absolutely sure that they understand tile contents of the Operator's Manual . • Never work on a ladder , stool or any other raised position that is not fully secured . English - 9
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SAFETY INSTRUCTIONS Protective instructions when work is completed • The transport guard should always be fitted to the blades when the machine is not in use . • Ensure tile 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 blades . The blades are extremely sharp and can easily causes cuts . • Store the machine out of reach from children . Only use original spare parts when carrying out repairs . Basic working techniques • When cutting the sides of a hedge , work from the bottom upwards . When cutting horizontally , work from right to left . • Adjust the throttle setting to suit the load . • When trimming a hedge the engine should always be turned away from the hedge . • The hedge trimmer should be held as close to the body as possible to get the best balance . • Make sure that the tip does not touch the ground . • Do not ttTf to force the work , but move at a steady speed so that all the stems are cut evenly . 10 - English
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WHAT IS WHAT ? / What is what on the hedge trimmer ? 1 . Operator's Manual 11 . Air purge 12 . Choke 2 . Grease nipple 3 . Gearbox 13 . Throttle trigger lock 4 . Blades 14 . Throttle trigger 5 . Hand guard 15 . Stop switch 6 . Handle 16 . Air filter cover 7 . Cylinder cover 17 . Spark plug spanner 8 . Starter handle 18 . Allen key 9 . Fuel cap 19 . Blade cover ( Transport ) 10 . Fuel tank 20 . Catcher ( accassory ) En _ , , h - 11
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FUEL HANDLING Mixture Fuel mixture NOTE ! • Always mix gasoline and oil in a clean container intended for The machine is fitted with a two - stroke engine and must fuel . always be run on a mixture of gasoline and two - stroke oil . It is • Always start by filling half the quantity of gasoline required . important to measure the quantity of oil accurately , to ensure Then add the entire oil quantity . Mix ( shake ) the fuel the correct mixture ratio . Small discrepancies in the amount of mixture . Fill the remaining quantity of gasoline . oil have a great bearing on the proportions of the fuel mixture • Mix ( shake ) the fuel mixture carefully before filling in the when mixing small amounts of fuel . machirm's fuel tank . • Do not mix more than max . one month's supply of fuel . • If the machine is not used for a long period of time , the fuel tank should be emptied and cleaned . • This engine is certified to operate on unleaded gasoline . Gasoline NOTE ! Always use an oil - mixed quality gasoline ( at least 8 " / octane ) . If your machine is equipped with a catalytic converter , ( an unleaded , oil Fuelling mixed quality gasoline should always be used . A leaded gasoline will destroy the catalytic converter . 6 • This engine is certified to 6 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 . This leads to an increased engine • Clean around the fuel cap . temperature , which can Contamination in the tank result in a serious engine can disrupt operations . breakdown . • Ensure that the fuel is well • When working at mixed by shaking the continuous high revs a container before filling the higher octane rating is tank . recommended . Min . 3 m i ( 10 ft ) • # Two - stroke oil Gasoline Oil 2 % ( 1 : 50 ) • For the best results use HUSQVARNA two - stroke oil , Lit . Lit , 5 0,10 which has been specially developed for HUSQVARNA's 10 0,20 small , two - stroke engines . Mixing ratio 1 : 50 ( 2 % ) . 15 0,30 20 0,40 • Never use two - stroke oil intended for water cooled outboard US US gallon fL oz . motors , so - called outboard motor oil . 1 2 1 / 2 2 1 / 2 6 1 / 2 • Never use oil intended for four - stroke engines . 5 12 7 / 8 12 - English
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START AND STOP Warm engine Control before starting @ IGNITION : • Inspect the working area . Remove objects that can be Set the stop switch to the thrown . start position . • Check the blades . Never use blades that are dull , CHOKE : cracked or damaged . Set the choke control in the • Check that the hedge choke position and then trimmer is in full back again to its original working order . Check position ( B ) that all nuts and bolts are In this way only the start tightened correctly . throttle is applied with no • Make sure the gearbox is lubricated correctly . See the choke . section " Lubricating the bladed ' . • Ensure the blades always stop when tile engine is idling . AIR PURGE : • Only use the machine for what it is intended for . Press the air purge • Ensure that the handle and safety functions are in order . diaphragm repeatedly until Never use a machine that lacks a part or has been modified fuel begins to fill the outside of the specifications . diaphragm . The diaphragm rmed not be completely Start and stop filled . Start 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 slowly pull the starter cord out until you feel some resistance , ( the starter hooks grip ) now quickly and powerfully pull the cord . Immediately press the choke control in when the engine fires and repeat until the engine starts . When the engine starts , quickly apply Cold engine full throttle and the start @ throttle will automatically IGNITION : disengage . Set the stop switch to the start position . NOTE ! Do not pull the starter cord out completely and do CHOKE : not release the starter cord from the fully extended position . A Set the choke control in the This can damage the hedge trimmer . choke position ( A ) . The choke position is also the automatic start throttle Stop position . 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 . The diaphragm need not be completely filled . English - 1 3
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MAINTENANCE Carburetor Basic setting • The carburetor is set to its basic setting when test run at the Your Husqvarna product has been designed and manufactured factory . The basic setting is richer than the optimal setting to specifications that reduce harmful emissions . and should be kept during the machine's first working After your unit has been run 8 - 10 tanks of fuel the engine has hours . Thereafter the carburetor should be firmly adjusted . broken irL To ensure , that your unit is at peak performance and Fine adjustment should be carried out by a skilled producing the least amount of harmful emissions after break technician . in , have your authorized servicing dealer , who has a revolution counter at his disposal , to adjust your carburetor for optimum NOTE ! If the blades move while the engine is idling the T - operating conditions . screw should be turned anti - clockwise until the blades stop . Recommended idling speed is : 2 700 rpm . Recommended max . speed : See " tachnicaldata ' : ii _ ! iii ¸ ! ! ! iii _ iii ! ! _ iiiiliiii ! si _ ! _ i i _ ! ii _ ksh 6 _ i ¸ i ! _ 0 ; _ il _ : i _ S _ i ! t _ e i ! ! iii : il _ i ! i ! ! ! ! iii ! ! iiiii ! _ ! iiiii ! _ li Operation • Tbe carburetor governs the engine's speed via the Fine adjustment throttle . Air / fuel is mixed • Wben the macbine bas been " run - in " the carburetor should in the carburetor . The be finely adjusted . The fine adjustment should be carried air / fuel mixture , is H out by qualified person . First adjust the L - jet , then the L adjustable . To take \ idling screw T and then the H - jet . \ advantage of the engine's \ optimal output the Conditions adjustment must be • Before any adjustments are made the airfilter should be clean correct . and the airfilter cover fitted . Adjusting the carburetor while a dirty airfilter is in use will result in a leaner mixture when • The setting of the the filter is finally cleaned . This can give rise to serious carburetor means that engine damage . the engine is adapted to • Carefully turn the L and H needle to the mid point between local conditions , for fully turned in and fully turned out . . example , tile climate , • Do not attempt to adjust the needles beyond the stops as altitude , gasoline and the damage can occur . type of ? - stroke oil . • Now start tbe machine according to the starting instructions and run it warm for 10 minutes . • The carburetor is equipped with three adjustment possibili - NOTE ! If the blades move , the T screw should be turned ties : counter = clockwise until the blades stop . H = High speed needle L = Low speed needle T = Idle speed adjuster screw Low speed needle L L Try to find the bighest idling • The fuel quantity in re . lation to the air flow permitted by \ speed , turning the low speed the throttle opening is adjusted using the L and H - needles . needle L clockwise Turning the needles clockwise gives a leaner fuel mixture respectively counter - ( less fuel ) and turning them anti - clockwise gives a richer clockwise . When the highest fuel mixture ( more fuel ) . A leaner mixture gives high revs speed has been found , turn while a richer mixture give less revs . the low speed needle L 1 / 4 turn counter - clockwise . • The T - screw regulates the position of the throttle while the NOTE ! If the blades move engine is idling . Turning the screw clockwise gives a higher when the engine is idling , idling speed while turning it anti - clockwise gives a lower turn the idling speed screw T idling speed . counter - clockwise until the blades stop . \ 1 4 - English
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MAINTENANCE Adjusting the idle speed , T Correctly adjusted carburetor AdJust the idling speed with When the carburettor is corre , ctly adjusted the machine will the screw T , if it is necessary accelerate without hesitation and the engine will splutter a to readjust . First turn the idle little at maximum speed . In addition , the cutters must not speed adjusting screw T T move when idling or when the choke control is in the start clockwise until the blades position . If the low speed needle is set for too lean a mixture it stalt moving . Then turn the can cause starting problems and poor acceleratiorL screw anti - clockwise until the A too lean adjusted high speed needle H gives lower power = blades stop . The idle speed is less capacity , bad acceleration and / or damage to the engine . correctly adjusted when the A too rich adjustment of the two speed needles L and H gives engine runs smoothly in acceleration problems or too low working speed . every positiorL There should be a good margin to the speed when the cutters start to move . The cutters should not move when the choke control is in the start throttle position . WARNING ! Contact your dealer / setwice 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 H the machine's 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 i0 seconds . Apply full throttle and turn the high speed needle H slowly anticlockwise until the engine runs unevenly . The high speed needle H is then turned slowly clockwise a little until the engine runs smoothly Note the engine should be run unloaded when adjusting the high speed needle . The high 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 . NOTE ! For optimum setting of the carburetor , contact a qualified servicing dealer who has a revolution counter at his disposal . English - 1 5
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MAINTENANCE Muffler Cooling system NOTE ! Some mufflers are fitted with a catalytic converter . See To maintain as low opera - " Technicaldata " to see whether you clearing saw is fitted with a ting temperature as possible catalytic convelter . the engine is equipped with a cooling system . The muffler is designed to 1 2 dampen the noise level and The cooling system consists to direct the exhaust fumes of : away from the user . The 1 . An air intake on the exhaust fumes are hot and starter unit . can contain sparks , which 2 . Cooling fins on the can re . sult in fire if the flywheel . exhaust fumes are directed 3 . Cooling fins on the towards a dry and cylinder inflammable material Some 4 . Cylinder cover ( leads mufflers are equipped with a cold air onto the cylin - special spark arrest screerL If der ) . your machine is fitted with this type of screen it should Clean the cooling system be cleaned regularly . This is using a brush at least once a done using a wire brush . On week , in difficult conditions mufflers without a catalytic more often . converter the screen should be cleaned weekly , or A dirty or blocked cooling system leads to the engine replaced if necessary . On overheating resulting in damage to the cylinder and piston . mufflers fitted with a catalytic converter the screen should be checked and cleaned monthly . If the Spark plug screen is damaged it should The condition of the spark plug is affected by : be replaced . If the screen is • An incorrect carburetor setting . frequently blocked , this can • An incorrect fuel mixture ( too much or faulty oil ) . be a sign that the function of • A dirty air filter . the catalytic converter is These factors cause deposits on the spark plug electrode that impaired . Contact your may result in malfunction or starting difficulties . dealer to inspect the muffler . A blocked screen will cause If the machine is low on the engine to overheat power , difficult to start or re . sulting in damage to the runs poorly while idling cylinder and pistorL Also see always check the spark plug under " A _ aintenan _ ' _ first before taking other action . NOTE ! Never use a machine with a If the spark plug is dirty , defective muffler . clean it and at the same time check that the electrode gap is 0.5 mm . The spark plug should be changed after about one month of operation or earlier if necessm _ y . NOTE ! Always use the recommended type of spark plug . An incorrect spark plug can damage the cylinder / piston . 1 6 - English
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MAINTENANCE Air filter Gearbox The air filter ( A ) should be There isa grease nipple ( A ) cleaned regularly removing on the gearbox . Use a grease dust and dirt to avoid : gun to top up with grease . This should be carried out A • carburetor malfunction after approximately every 20 • starting problems working hom _ . Use • reduced engine power Husqvarna special grease , No . 503 98 96 - 01 . • unnecessary wear to engine parts • abnormal fuel consump - Note that the gearbox must tion not be filled completely with grease . The grease expands Clean the filter after every as the machine heats up 25 hours or more regularly during operation . If the if operating conditions are gearbox was completely exceptionally dusty . filled with grease it could damage the seals and lead to leakage . Cleaning the air filter Dismantle the air filter cover ( B ) and remove the air filter . The lubricant in the gearbox Wash in clean , warm soapy water . Ensure that the filter is dry does not normally need to be before refitting . replaced other than with An air filter used for a long period of time can never be cleaned repair . completely . Therefore 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 filteF . Cleaning and lubrication After you have used the machine clean any resin and Oiling the air filter plant re . sidue from the blades Always use HUSQVARNA using cleaning agent 531 00 filter oil , order no . 503 47 60 - 75 ( UL22 ) . 73 - 01 . The filter oil contains a solvent to make it spread Always lubricate the blade evenly through the filter . You runners with special grease should therefore avoid skin 531 00 60 - 74 ( UL 2001 ) contact . Put the filter in a before use . plastic bag and the pore - the filter oil over it . Knead the plastic bag to distribute the oil . Squeeze the excess oil out of the filter inside the plastic bag and pour off the excess before fitting the filter on the machine . Never use common engine oil . This would drain through the filter quite quickly and collect in the bottom . En _ l _ , h1 - 7
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MAINTENANCE Maintenance schedule Below you will find some general mair _ termnce instructions . Daily maintenance • Check throttle trigger and throttle trigger lockout function . • Check stop switch function . • Check that the blades do not rotate while idling or when the choke is in the start position . • Clean the exterior of the machine . • Check that the harness is undamaged . • Check that the blade is properly centred , sharp , and without cracks . • Check the hand guard for cracks and chips or damage . Replace if necessary . • Check that tile blade screws are sufficiently tightened ( See the section " Control , maintenance and service of the machine's safety equipment _ ) . • Make sure that the blade transport guard is undamaged and that it can be securely fitted . • Check that nuts and screws are sufficiently tightened . • Check for fuel leaks . Weekly maintenance • Check the starter , especially cord and return spring . • Make sure that the vibration damping elements are not damaged . • Clean tile carburetor area . • Clean the exterior of the spark plug . • Remove it and check the electrode gap . • Adjust it to 0,5 mm ( . 020 " ) , or change the spark plug . • Clean the cooling fins on the cylinder and check that the air intake at the starter is not clogged . • Fill the gearbox with grease . This should be carried out after approximately every 20 working hours . • Clean tile air filter . • Clean or replace the muffler's spark arrest screen ( not on mufflers with a catalytic converter ) . Monthly maintenance • Clean the fuel tank . • Clean tile exterior of the carburetor and the space around it . • Clean the fan and the space around it . • Check fuel hose for cracks or other damage . Change if necessary . • Change fuel filter in fuel tank . • Check clutch , clutch spring and clutch drum for wear . Change if necessary . • Check electrical wires and connections . • Change tile spark plug . • Change the airfilter . • Check and clean the muffler's spark arrest screen if necessary ( only mufflers with a catalytic converter ) . 1 8 - EngEish
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TECHNICAL DATA Technical data 326HS75 326HS99 Engine 1,50124,5 1,50 / 24,5 Displacement , cu inlcm 3 1,34134 1,34 / 34 Cylinder bore , inch / mm 1,06127 1,06 / 27 Stroke length , inch / mm 2 700 2 700 Idling speed , rpm 11 000 11 000 Recommended max . speed rpm Max . engine output , acc . to ISO 8893 0,9 kW / 9 000 rpm 0,9 kW / 9 000 rpm Yes Yes Catalytic converter muffler Yes Yes Speed - regulated ignition system Ignition system Walbro MB Walbro MB Manufacturer / type of ignition system 8park plug Champion RCJ 6Y Champion RCJ 6Y 0,02 / 0,5 0,02 / 0,5 Electrod gap , inch / mm Fuel lubrication system Zama C1Q Zama C1Q Manufacturer / type of carburetor 1,06 / 0,5 1,06 / 0,5 Fuel tank capacity , U8 pint / litres Weight 12,3 / 5,6 13,0 / 5,9 Weight without fuel , LBS / kg Sound levels ( See note i ) Equivalent sound pre . ssurelevel at the user's ear , measured according to EN 96 97 ISO 11806 and ISO 7917 , dB ( A ) : Vibration levels Vibration levels on the handles measured according to EN ISO 11806 and I80 7916 , m / s 2 3,3 / 3,6 3,3 / 3,6 Idling , rear / front handles : 7,1 / 6,2 7,1 / 6,2 Max . speed , rear / front handles : Blades Length , ram : 720 1 000 Blade speed , cut / min : 4 695 4 695 Note 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
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EMISSION CONTROL WARRANTY STATEMENT WHAT IS COVERED YOUR WARRANTY RIGHTS AND REPAIROR REPLACEMENTOF PARTS OBLIGATIONS Repair or replacement of any warranted pa _ t will be performed at no charge to the owner at an approved tlusqvarna Forest & The EPA ( U . S . Environmenta ! Protection Agency ) , CARB Garden servicing dealer . ( California Air Resources Board ) and Husqvarna Forest & Garden If you have any questions regarding your warranty rights and are pleased to explain the emissions control system warranty on responsibilities , you should contact your nearest authorized your 2001 and later small off - road engine . In U . S . , new small off servicing dealer or call tlusqvarna Forest & Garden at 1 - 800 - 487 - 5963 . road engines must be designed , built and equipped to meet the WARRANTY PERIOD federal or California stringent anti - smog standards , t tusqvarna Forest & Garden must warrant the emission control system on Any warranted part which is not scheduled for replacement as required maintenance , or which is scheduled only for regular your small off road engine for the periods of time listed below inspection to the effect of " repair or replace as necessa W " shal ! be provided there has been rio abuse , neglect or improper warranted for 2 years . Any warranted part which is scheduled for maintenance of your small offroad engine . replacement as requFad maintenance shall be warranted for the Your emission control system includes parts such as the carburetor , period of time up to the first scheduled replacement point for that the ignition system and catalytic converter . part . W'here a warrantable condition exists , t tusqvarna Forest & Garden DIAGNOSIS will repair your small off road engine at rio cost to you including The owner shall not be charged for diagnostic labor which leads to diagnosis , parts and labor . the determination that a warranted part is defective , if the diagnostic work is performed at an approved t { usqvarna Fo _ ' ast & Garden servicing dealer . MANUFACTURER'S WARRANTY CONSEQUENTIAL DAMAGES COVERAGE t { usqvarna Forest & Garden may be liable for damages to other engine components caused by the failure of a warranted pa _ t still The 2001 and later small off road engines are warranted for two under warranty . years . If any emission related part on your engine is defective , the part will be repaired or replaced by Husqvarna Forest & Garden . WHAT IS NOT COVERED All failm'es caused by abuse , neglect or improper maintenance are OWNER'S WARRANTY not covered . ADDON OR MODIFIED PARTS RESPONSIBILITIES The use of add - on or modified pm _ s can be grounds for As the small offi road engine owner , you are responsible for the disallowing a warranty claim . Husqvarna Forest & Garden is not performance of the required maintenance listed in your Owner's liable to cover failures of warranted parts caused by the use of add - Manual . Husqvarna Forest & Garden recommends that you retain on or modified parts . all receipts covering maintenance on your small off road engine , but tIusqvarna Forest & Garden cannot deny warranty solely for HOW TO FILE A CLAIM the lack of receipts or for your failure to ensure the performance of If you have any questions regarding your warranty rights and all scheduled maintenance . responsibilities , you should contact your nea _ ' est authorized As the small off - road engine owner , you should , however , be aware servicing dealer or call Husqvarna Forest & Garden at 1 - 800 - 487 - that Husqvarna Forest & Garden may deny you warranty coverage 5963 . if your small off road engine or a part has failed due to abuse , neglect , improper maintenance or unapproved modifications . WHERE TO GET WARRANTY SERVICE You are responsible for presenting your small off road engine to a Warranty services or repairs shall be p _ ' ovided at all I tusqvarna t tusqvarna Forest & Garden authorized servicing dealer as soon as Forest & Garden authorized servicing dealers . a problem exists . The warranty repaFs should be completed in a reasonable amount of time , not to exceed 30 days . MAINTENANCE , REPLACEMENT AND If you have any questions regarding your warranty rights and responsibilities , you should contact your nearest authorized REPAIR OF EMISSION - RELATED PARTS servicing dealer or call Husqvarna Forest & Garden at 1 - 800 - 487 - Any Husqvarna Forest & Garden approved replacement part used 5963 . in the performance of any warranty maintenance or _ epairs on emission - related parts , wil ! be provided without charge to the owner if the part is under warranty . WARRANTY COMMENCEMENT DATE The warranty period begins on the date small offi road engine is EMISSION CONTROL WARRANTY delivered . PARTS LIST 1 . Carburetor and internal parts 2 . Intake pipe , airfilter holder and carburetor bolts . LENGTH OF COVERAGE 3 . Airfilter and fuelfilter covered up to maintainance schedule . t tusqvarna Forest & Garden warrants to the initial owner and each 4 . Ignition System subsequent pro'chaser that the engine is free from defects in a ) Spark Plug , covered up to maintenance schedule materials and workmanship which cause the failure of a warranted b ) Ignition Module part for a period of two yem _ . 5 . Muffler with catalytic converter MAINTENANCE STATEMENT The owner is responsible for the performance of all required maintenance , as defined in the operator's manual . 20 - English
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