Husqvarna 3120K Saw User Manual
Contents
1. BUCO EE its thats A A A A ceteegaasas tien 22 Emission Control Warranty Statement Your warranty rights and obligations ceeeeees 23 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 English 3 SAFETY INSTRUCTIONS THE POWER CUTTER S SAFETY EQUIPMENT This section describes the power cutter s safety equipment its function and how checks and maintenance are carried out to ensure that it operates correctly See the chapter What is what to locate where this equipment is positioned on your power cutter WARNING Incorrect or careless use of a power cutter can turn it into a dangerous tool that can cause serious or even fatal injury It is extremely important that you read and understand this manual PERSONAL PROTECTIVE EQUIPMENT WARNING When using a power cutter protective equipment approved by the appropriate authorities must be used Perso nal 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 WARNING Never use a power cutter with defective safety equipment Follow the control maintenance and service instructions described in this manual 1 Anti vibration system PROTECTIVE HELMET EAR PROTECTION PROT2. 3120K Operator s Manual EPA LL Read these instructions carefully and make sure you understand them before using the machine 101 91 79 95 SYMBOL EXPLANATION Symbols on the power cutter WARNING The power cutter can be dangerous Careless and incorrect use can result in serious or fatal injury to the operator or others Please read the instructions carefully and make sure you understand them before using the power cutter Always wear e Approved protective helmet e Approved hearing protection e Protective glasses or visor Warning Sparks from the cutting blade can cause fire in combustible materials such as petrol gas wood dry grass etc Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance Re Always wear approved protective gloves ZF Regular cleaning is required Visual check Protective glasses or a visor must be worn N R 2 English WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints e Crystalline silica from bricks and cement and other masonry products Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how
3. 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 engine is running 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 Keep the handle dry clean and free from oil and fuel e Clean around the fuel cap Clean the fuel tank regularly The fuel filter should be changed at least once per year Contamination in the tank can disrupt operations Ensure that the fuel is well mixed by shaking the container before filling the tank e Always exercise care when filling the fuel Move the power cutter at least three metres from the filling area before starting Make sure the fuel cap is tightened START AND STOP Start and stop WARNING Before starting observe the following Do not start the power cutter without the cutting arm or cutting head fitted Otherwise the clutch can come loose and cause personal injury Always move the power cutter from the filling area before starting Ensure that you and the machine stand firmly and that the cutting blade rotates freely Make sure no unauthorised persons are within the working area Starting a cold engine IGNITION Slide the stop switch to the left CHOKE Pull out the chok
4. Belt pulley and clutch Never start the engine when the belt pulley and clutch are removed for maintenance MAINTENANCE Carburetor Your HUSQVARNA 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 check your carburetor for optimum operating conditions Functioning Final setting WARNING Do not start the power cutter without the cutting arm or cutting head fitted Otherwise the clutch can come loose and cause personal injury Operation The carburetor governs the engine speed via the throttle Air fuel are mixed in the carburetor High speed jet The carburetor is equipped with fixed H jet to ensure the engine always receives the correct fuel air mixture If the engine lacks power or accelerates poorly do the following Inspect or if necessary replace the air filter e If this does not help contact an authorised service workshop Low speed needle L Apply full throttle a couple of times and check that the saw is accelerating without hesitation Basic setting L 1 1 4 turn open If an adjustment is necessary try to reach the maximum idle speed by slowly closing the low speed needle L clockwi
5. Remove the bolts 1 Remove the cover Fit the drive belt over the clutch drum Refit the cover and tighten the bolts Feed the drive belt over the pulley on the cutting head 2 Slide on the belt cover and secure the cutting head together with the belt guard Tighten both bolts 4 by hand Screw in the tensioning screw 3 so that the square nut is in line with the arrow on the belt guard Shake the head to ensure the spring can tension the belt This automatically adjusts the belt to the correct tension Tighten both bolts 4 using the combination spanner NOTE After fitting a new belt the belt tension must be readjusted after the first two tanks of fuel have been used Checking the drive shaft and flanges e Check that the threads on the drive shaft are undamaged e Check that the contact surfaces of the cutting blade and flanges are flat run correctly on the spindle and are free from foreign objects Do not use flanges that are twisted have damaged edges untrue or dirty Do not use different size flanges Fitting the cutting blade Husqvarna cutting blades are manufactured and approved for freehand cutting The paper labels on each side of the blade are there to distribute the pressure from the flange washer and prevent the blade from slipping The blade is placed between the flange hub A and the flange washer B The flange washer is turned so that it fits in the flange hub
6. The cutting blade is tightened using the socket spanner 501 69 17 02 The shaft can be locked using a screwdriver steel pin or the like This is slid in as far as possible The blade is tighte ned clockwise Tightening torque for the bolt holding the blade is 15 25 Nm 130 215 in lb Blade guard The blade guard should always be fitted on the power cutter The guard should be adjusted so that the rear section is close to the work piece Cutting fragments and sparks are then collected by the guard and led away from the user WARNING 16 inch blade and blade guard should only be used on power cutters originally equipped with a 16 blade guard If a blade guard is fitted as a spare part on a power cutter originally equipped with a 14 blade guard the 16 cutting blade will rotate too fast A cutting blade with too high speed can burst or cause serious injury and damage English 13 FUEL HANDLING Fuelmix IMPORTANT The power cutter 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 can drastically affect the ratio of the mixture Always provide for good ventilation when handling fuel Gasoline e This engine
7. 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 Carburetor and internal parts Intake pipe airfilter holder and carburetor bolts Airfilter and fuelfilter covered up to maintainance schedule Ignition System a Spark Plug covered up to maintenance schedule b Ignition Module MAINTENANCE STATEMENT The owner is responsible for the performance of all required maintenance as defined in the operator s manual AANEEN 2000w5
8. Water cooling WARNING Water cooling which is only used for petrol driven power cutters and when cutting concrete cools the cutting blade and increases its service life as well as reduce dust formation see the section Abrasive blades Among the disadvantages are difficulties at very low temperatures the risk of damaging the floor and other sections of the building and risk for slippage Sharpening diamond blades Blades can become dull when the wrong feeding pressure is used or when cutting some materials such as heavily reinforced concrete To force a dull blade results in overheating and finally the loss of segments part of the blade Sharpen against a soft material such as sandstone silica or haydite brick Blade vibration The blade can become out of shape not round and vibrate if a too high feeding pressure is used or if the blade is pressed into the work piece A lower feeding pressure ought to stop the vibration Otherwise replace the cutting blade Kickback Kickback can occur very suddenly and with great force If the following directives are not followed it can result in serious or even fatal injury If the sector of the blade illustrated below is used for cutting the blade can start to climbing and kickback the power cutter upwards and backwards towards the user with immense force How to avoid kickback 1 Never cut with the segment illustrated in the diagram 2 Keep a good balance a
9. cutter until you have read the entire contents of this Operator s Manual All servicing in addition to the points listed in the section Control maintenance and service of the power cutter s safety equipment should be carried out by trained service specialists Check regularly that the muffler is secured to the Use the equipment recommended in the chapter Personal engine body safety equipment e Never use the machine when you are tired under the influence of medicines drugs or alcohol Do not lend the power cutter to anyone without providing this Operator s Manual Ensure the person using the power cutter understands the information in this Operator s Manual Transport and storage Store the power cutter under lock and key so that it s out of reach for children and unauthorised persons Do not store or transport the power cutter with the cutting blade fitted 4 Blade guard for the cutting blade Never use a defective blade guard or a blade guard that is not fitted correctly WARNING Check that the cutting blade is fitted correctly and does not show signs of damage A damaged cutting blade can cause personal injury WARNING Never use a power cutter with defective safety equipment The power cutter s safety equipment should be checked and maintained as described in this Operator s Manual If your power cutter does not meet any of these controls you shoul
10. drill sand or shape material can generate dust and vapors which may contain harmful chemicals Know the nature of the material being worked on and wear appropriate dust mask or respirator protection The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm You will find the following label on your power cutter A WARNING A Cutters can be dangerous For safe operation follow all safety precautions in operator s manual e Only trained and qualified personnel shall operate this cutter e Only use high speed reinforced wheels approved for free hand cutting and for the maximum speed rating of cutter Before each use check wheel and guard for any damage e Use ear eye head and hand protectors protective clothing and protective footwear e Keep all bystanders well away from the operating area Adjust guard to keep rear section in close workpiece contact IMPORTANT ENGINE INFORMATION amp Husqvarna 3120K 119cc VHV119UB25RB HUSQVARNA AB HUSKVARNA SWEDEN THIS ENGINE CONFORMS TO 1997 U S EPA EMISSION REGULATION FOR SMALL NONROAD ENGINES REFER TO OPERATOR S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS List of Contents Symbol explanation 0 0 0 eee 2 Safety instructions Personal protective equipment eects 4 The power cutter s safety equipment 00c 4 Control maint
11. must be adjusted by an authorised service workshop before it is used Care and storage General Husqvarna s power cutters are robust and durable However as they are used for high speed operations all servicing should be carried out on time and as specified so that the power cutter always works effectively and safely Read this Operator s Manual to determine which service routines you can carry out and ensure that all other service work is carried out by an authorised service workshop Power Cutter Always handle the power cutter with care and store it with the blade removed Blades All blades should be removed from the cutter after use and stored carefully e Special care should be taken with abrasive blades Blades must be stored on a firm level surface If blades are supplied with a backing pad then a spacer should be used to keep them flat e Avoid moisture and temperature extremes Remove the blades before the cutter is moved or transported Inspect new blades for transport or storage damage English 9 SAFETY INSTRUCTIONS CUTTING BLADES General Cutting blades are available in two standard designs abrasive blades and diamond blades WARNING A cutting blade may burst and cause injury to the operator High speed portable tools Cutting blades of the make Husqvarna are manufactured for portable high speed power cutters If oth
12. often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles CONTENTS Before using your new Power cutter e Read the Operator s Manual carefully e Check the assembly and adjustment of the cutting blade see chapter Assembly e Start the engine and check the carburettor settings See chapter Maintenance section Carburetor When adjusted correctly the cutting blade should not rotate when idling Setting the idling speed is described in the Operator s Manual Adjust the speed according to these instructions Do not use the power cutter if the idling speed is not correctly adjusted Let your Husqvarna dealer check the power cutter and carry out essential adjustments and repairs 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 should you modify the original design of the power cutter without approval from the manufacturer Always use genuine spare parts Unauthorized modifications or accessories may lead to serious injury or death Your warranty does not cover damage or liability caused by the use of non authorized accessories or replacement parts WARNING Use of products which cut grind
13. water to prevent overheating which can cause the blade to break and pieces being thrown off resulting in injury and damage Using diamond blades Proceed as follows Let the blade rotate in the same direction as the arrow indicates e Cool continually with water e Keep the blade sharp e Remove the blade when transporting the cutter Avoid e Running the blade in the wrong direction e Forcing a dull blade or wedging the blade into a cut Transporting the cutter with the blade fitted e Letting the blade fall on the work piece Dry diamond blades Dry diamond blades are a new generation of blades that do not require water cooling However the blades are still damaged by excessive heat It is good economics to let the blade cool by simply lifting the blade from the cut every 30 60 seconds and let it rotate in the air for 10 seconds to cool English 11 WHAT IS WHAT What is what on the power cutter 1 Cylinder cover 12 Throttle control 2 Muffler 13 Combination spanner 3 Fuel tank 14 Air filter cover 4 Starter throttle catch 15 Blade guard 5 Choke 16 Starter handle 6 Throttle trigger lockout 17 Operator s manual 7 Stop switch 18 Adjustment handle for blade guard 8 Cutting head 19 Front handle 9 Cutting arm 20 Starter 10 Belt tensioning screw 21 Decompression valve 11 Cutting blade 12 English ASSEMBLY Fitting the cutting head
14. 20 Reducing bush Max thickness Blade thickness Min thickness 3 mm 1 8 Backing pad Material Highly compressible Must be used e g blotting paper Max thickness 0 5 mm 020 Spindle hole Play 0 2 mm 010 drive shaft Flange tightening The blade does not slip flange not bent Check that the blade runs free of the guard Blade guard Plastic reducing bushes may only be used with abrasive blades Do not use reducing bushes with diamond blades or tungsten carbide tipped blades We recommend that the spindle is replaced so that it fits the blades to be used rather than using a reducing bush Contact your service workshop for details Guard Check that the guard is not cracked or shows signs of any other damage Clean the inside of the guard before fitting a new blade Check that the guard can be adjusted Diamond blades Diamond blades are basically made in the same way as abrasive blades but are manufactured from industrial diamonds held together by a bonding agent DIAMOND BLADE TYPES AND USES Diamond General char Material Water cooling blade acteristics Low cost per All brickwork Increases the cutting opera reinforced blades service tion Less blade concrete and life changes other Constant cutting composite depth Less materials dust NOT recommended for metal WARNING Cool a diamond blade continously with
15. E 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 for damages to other engine components caused by the failure of a warranted part still under warranty WHAT IS NOT COVERED
16. ECTIVE GLASSES OR FULL FACE PROTECTION Your power cutter is equipped with an anti vibration system This is designed to give as low vibration levels and comfortable usage as possible BREATHING MASK HEAVY DUTY FIRM GRIP PROTECTIVE GLOVES 7 The power cutter s anti vibration system reduces the transfer of vibration between the engine cutting equipment and the operator The engine SNUG FITTING HEAVY DUTY COMFORTABLE CLOTHING THAT ALLOWS FULL FREEDOM OF MOVEMENT LEG PROTECTION TO PROTECT AGAINST SPARKS AND CUTTING FRAGMENTS ANTI SLIP BOOTS WITH STEEL TOE CAPS FIRST AID KIT SHOULD ALWAYS BE ON HAND 4 English body including the cutting equipment is suspended in a handle system via anti vibration elements 2 Stop switch The stop switch should be used to stop the engine G SAFETY INSTRUCTIONS 3 Muffler WARNING During use and for some time after the muffler is very hot Do not touch the muffler if it is hot The muffler is designed to give the lowest possible noise level and to direct the engine s exhaust fumes away from the user The engine s exhaust fumes are hot and can contain sparks which can lead to the outbreak of fire IMPORTANT INFORMATION It is extremely important that the instructions for checking maintaining and servicing the muffler are followed see the section Control maintenance and service
17. atio 14 0 51 100 m s 16 0 47 100 m s 119 7 25 60 2 3 42 1 65 2 500 9 750 250 5 8 FHP Champion RCJ 7Y NGK BPMR 7A 0 5 020 Walbro WG9 1 25 2 65 13 2 29 1 14 0 30 9 Max peripherical speed 22 L FEDERAL AND CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA The US Environmental Protection Agency CARB California Air Resources Board and Husqvarna Forest amp Garden are pleased to explain the emissions control system warranty on your 1999 and later small off road nonroad engine In U S new small off road nonroad engines must be designed built and equipped to meet the federal and California stringent anti smog standards Husqvarna Forest amp Garden must warrant the emission control system on your small off road nonroad engine for the periods 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 off road nonroad engine at no cost to you Expenses covered under warranty include diagnosis parts and labor MANUFACTURER S WARRANTY COVERAGE The 1999 and later small off road nonroad engines are warranted for two years If any emission related part on your engine as listed above is defective the part will be repaired or
18. belt Check the condition of the cutting blade Check the condition of the blade guard D a F N Check the starter and the starter cord clean the outside of the starter s air intake N Check that all nuts and bolts are tightened correctly 8 Check the function of the stop switch Weekly maintenance 9 Check the back up paper filter 10 Check that the handles and the anti vibration elements are not damaged 11 Clean the spark plug Check that the electrode gap is 0 5 mm 12 Clean the cooling fins on the flywheel Check the starter and recoil spring 13 Clean the cooling fins on the cylinder 14 Check the muffler 15 Check the carburetor function Monthly maintenance 16 Check the clutch drum drive pulley and clutch springs with regard to wear 17 Clean the outside of the carburetor 18 Check the fuel filter fuel hose change if necessary 19 Clean the inside of the fuel tank 20 Check all cables and connections English 2 1 TECHNICAL DATA Engine Cylinder volume cm cu in Cylinder bore mm inch Stroke mm inch Idle speed rpm Recommended max speed unloaded rom Power kW Ignition system Manufacturer Spark plug Electrode gap mm inch Fuel and lubrication system Manufacturer Carburettor type Fuel capacity litre US Pint Weight Without fuel and cutting blade kg Lbs 14 350 mm 16 400 mm Cutting equipment Cutting blade Gear r
19. cing a broken recoil spring Lift the starter pulley see Changing a broken or worn starter cord e Disassemble the recoil spring by tapping the starter housing with its inside facing down lightly against a working bench or similar If the spring pops out when assembling it should be mounted again out and in towards the centre e Lubricate the recoil spring with thin oil Assemble the starter pulley and tension the recoil spring Fitting the starter e Fit the starter by first pulling out the starter cord and then placing the starter in position on the crankcase No slowly release the starter cord so that the pawls grip in the pulley e Fit and tighten the screws that hold the starter MAINTENANCE Muffler gt Cooling system The muffler is designed in gt g To maintain as low an operating temperature as possible the order to reduce the noise level power cutter is equipped with a cooling system and to direct the exhaust The cooling system consists of 1 An air intake on the Eg AA starter unit gases away from the opera tor The exhaust gases are hot and can contain sparks which may cause fire if directed against dry and combustible material 2 Air flow guide 3 Cooling fins on the Never use a saw with a flywheel clogged or defective muffler 4 Cooling fins on the cylinder 5 Cylinder co
20. d contact your service workshop 6 English SAFETY INSTRUCTIONS Fuel safety GENERAL WORKING INSTRUCTIONS Filling Fuel mixture Storage This section takes up the basic safety precautions for working with the power cutter Follow these general working instructions but never use a machine without the possibility of calling for help in the event of an accident fuel Bear in mind the risk of fire explosions and inhaling fumes Q WARNING Exercise great care when handling Basic safety precautions Never fill the machine while the engine is running IMPORTANT INFORMATION Never work with a power cutter that is defective or incorrectly adjusted Do not work with a power cutter that is incomplete or where assembly has not been carried out in a satisfactory manner Check that the cutting blade stops rotating e Provide good ventilation when filling or mixing fuel gasoline and 2 stroke oil when the throttle is released If you encounter a situation where you are uncertain how to proceed you should ask Move the machine at least 3 an expert m from the filling position E Avoid all usage which you consider to be beyond your before starting Min 3 m m capability e Never start the machine a If you have spilt fuel on it Wipe up all spillage e Check that no one is in the immediate vicinity when the machine is started or while working with the machine to ensure that people animals o
21. des usually have an inferior cutting capacity and shorter service life which results in higher cost per processed material ABRASIVE BLADES TYPES AND USES Use Blade General Material Water cooling type characteristics Con Universal Concrete Increases the crete usage asphalt blade s service economical stone life Reduces brickwork dust formation cast iron Recommended aluminium copper brass cables rubber etc Metal Unbeatable for Steel steel Reduces cutting steel not alloys and capacity NOT suitable for other hard recommended concrete etc metals SAFETY INSTRUCTIONS Cutting blades Type of cutting blades Check that the blade is approved for the same or higher speed according to the aproval plate of the engine Do not exceed the maximum 6300 rpm working speed stated on the RELINI LLS blade REISIST o LLKS RAK Damage Ensure the blade it not cracked or damaged in any other way SOO e Test the blade by hitting it SSS gently with a piece of wood ON If the blade does not give a SOO full sounding ring then it is VOSI damaged RRAN Never use a blade that has fallen on the floor Assembly e Check that the blade is fitted correctly and is secure Follow all specifications in the table below Specifications for fitting blades inches 787 7 8 1 22 2 25 4 Standard blades centre hole spindle mm
22. e STARTER THROTTLE CATCH Press in the throttle control and thereafter the starter throttle catch A Release the throttle control and the throttle is blocked in half throttle position The catch is released when the throttle control is pressed in all the way DECOMPRESSION VALVE Press in the valve to reduce the pressure in the cylinder this makes starting the power cutter easier The decompression valve should always be used when starting When the machine has started the valve automatically returns to its original position Starting a warm engine Use the same procedure as for starting cold engine but without choke Fast idle is recived by first set the choke control in choke position and then back again Q Q Start WARNING The cutting blade can rotate when the engine starts Make sure it can rotate freely Take hold of the front handle using your left hand Place your right foot on the lower section of the rear handle and press the power cutter against the ground Grip the starter with your right hand and slowly pull the starter cord out until you feel some resistance the pawls grip now pull quickly and powerfully NOTE Do not pull out the starter cord completely and do not release the starter from the fully extended position This can damage the power cutter When the engine starts quickl
23. enance and service of the machine s safety OQUIPIMEN ceeeeceeeeeeeteeeeeeeeeneeenteeenees General safety instructions Transport and storage Fuel Satety sis 2i0 iessscecvisavaeedeadaneidea Mascaies General working instructions GUTING EE TEE E ett eee Kickbackse i 2 dGateie Atel ie i tata rel ee ees Gare and Storage isch ghe niin intial ek Bee tied Cutting blades ero lt ch3 ceh tee es let el cig ha eps Generals ein ecto E A ed enti Raat oiaitadin Abrasive blades Diamond blad eS a t eor aaaea e SAPE Aeee PERE Rina What is what What is what on a power cutter sseseeeeeeeeieeeereeerereees 12 Assembly Fitting the cutting head eee eeeeeeeeseeeeeeneeereeeeeeeneeees Checking the drive shaft and flanges Fitting the cutting blade ooo eee eeeeeeeeeeeeeneeeeeeneeeeeneeees Fuel handling Fuel MIXtUle s inen a i dae ei 14 Fueling 225 esna a ivi ee att E a E A AEE NEAR 14 Start and stop Start and Stopien el ive at 15 Maintenance Adjusting the drive belt Changing the drive belt Carburettor eeeeeeeereeees Fuel filter Air filter 0 0 Slalteh state ee a Ae ae eared Rete ete Bk eee MUTH OF costts ate tek cents E E a tensctasesdeien Spark plug Cooling Syst m n a a E a Ea a Eai Daily maintenance ceccceeseceeeseeeeeeeeeeeseeeeeeseeeeeneeeeees Weekly maintenance Monthly maintenance ce ce eeseceeeeeeeeeeneeeeeeeeeeeneeerenaeees Technical Data
24. er makes of cutting blades are used ensure the blades comply with all the directives and requirements attributed to the specific type of power cutter WARNING Never exceed the maximum working speed of a cutting blade Special blades Some cutting blades are designed for stationary equipment and for use with attachments These types of cutting blades must not be used on portable power cutters uN WARNING Never use a cutting blade for any other purpose than that it was intended for Always contact local authorities and make sure you are following applicable directives 10 English Abrasive blades The cutting material in an abrasive blade consists of abrasive corn that is held together by an organic bonding agent Reinforced blades are made up of a fabric or fibre base that prevents total breakage at maximum working speed if the blade should be cracked or damaged The term reinforced does not refer to those cutting blades that are only reinforced around the flange A cutting blade s performance is determined by the type and size of abrasive corn and the type and hardness of the bonding agent Characteristics that give the blade a shorter service life and greater cutting capacity are said to make the blade softer A blade with a longer service life and slower cutting capacity is a blade with a harder effect High quality cutting blades are normally more economical Lower quality cutting bla
25. f you experience physical symptoms that can be related to over exposure to vibrations Examples of such symptoms are numbness lack of feeling tickling pricking pain lack of ora reduction in normal strength changes in the colour of the skin or its surfaces These symptoms normally appear in the fingers hands or wrists Cutting technique The technique described below is of a general character Check information for each blade regarding individual cutting characte ristics For example a diamond blade requires less feeding pressure than a abrasive blade 1 Support the work piece in such away that you can predict what will im happen and so it will not i iN iN i pinch 2 Always cut at full throttle 3 Start cutting gently do not force or squeeze the blade in 4 Use a high blade speed 5 Move the blade slowly backwards and forwards 6 Use a small part of the blade s cutting edge 7 Only use the blade s cutting edge when cutting 8 Cut with the blade fully vertical at right angles to the work piece WARNING Under all circumstances avoid cutting using the side of the blade it will almost certainly be damaged break and can cause immense damage Only use the cutting section WARNING Do not lean the blade to the side this can cause the blade to jam or break with personal injury as a consequence 8 English
26. is certified to operate on unleaded gasoline e Use good quality unleaded SE gasoline AN The lowest recommended Y octane rating is 87 If you A run the engine on lower octane rating than 87 so called knocking can occur This leads to an increased engine temperature which can result in a serious engine breakdown e When working at continuous high revs a higher octane rating is recommended Two stroke oil For the best results use A HUSQVARNA two stroke oil which is especially Gasoline Sana si developed for power cutters it Lit Mixing ratio 1 50 2 5 0 10 r 10 0 20 e Never use two stroke oil 15 0 30 intended for water cooled 20 0 40 outboard engines so called ee Baa outboard oil 1 2 1 2 es 21 2 6 1 2 e Never use oil intended for 5 12 7 8 four stroke engines Mixing e Always mix the gasoline and oil in a clean container intended for fuel e 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 e Mix shake the fuel mixture thoroughly before filling the saw s fuel tank Do not mix more than max one month s supply of fuel e If the saw is not used for some time the fuel tank should be emptied and cleaned e This engine is certified to operate on unleaded gasoline 14 English
27. lug resulting in abnormal wear to engine parts 18 English MAINTENANCE Starter WARNING The recoil spring sits in its tensioned posi tion in the starter housing and can with careless handling fly out and cause personal injury e When replacing the recoil spring or the starter cord great care should be exercised Always wear protective glasses Replacing a broken or worn starter cord Loosen the bolts that hold the starter against the crankcase and lift off the starter unit e Pull out the cord approx 30 cm and lift it out of the cut out in the starter pulley s periphery Reset the recoil spring by allowing the pulley to slowly rotate backwards e Loosen the screw in the centre of the starter pulley and lift off the pulley Insert and secure the starter cord in the starter pulley Wind on approx 3 turns of the cord on the pulley Fit the pulley on the recoil spring so that the end of the recoil spring hooks on the pulley Fit the screw in the centre of the pulley Thread the starter cord through the hole in the starter housing and the starter handle Tie a good knot on the end of the cord Tensioning the recoil spring Lift up the starter cord from the cut out on the pulley and turn the pulley approx 2 turns clockwise NOTE Ensure the starter pulley can be turned at least a further 1 2 turn when the starter cord is fully extended Repla
28. nd a firm foothold 3 Use both hands and take a firm grip with the thumb and fingers around the handle 4 Keep the work piece at a comfortable distance 5 Use the cutter at full throttle 6 Take care when inserting the blade in an existing cut 7 Never cut above shoulder height 8 Be alert to movement of the work piece or anything else that can occur which could cause the cut to close and pinch the blade SAFETY INSTRUCTIONS Pullin Pull in occurs when the lower part of the blade is suddenly stopped or when the cut closes To avoid this see the section How to avoid kickback and Pinching rotation below Pinching rotation Pinching occurs when the cut closes The power cutter can be drawn suddenly and powerfully downwards How to avoid pinching Support the work piece in such a way that the cut remains open during the cutting operation and when the cut is finished N Drying the blade After using the blade with water cooling let the cutter run for approx half a minute so that the blade dries If a damp blade is stored it can become unbalance and cause damage Check the speed of the drive shaft Use a tachometer regularly to check the speed of the drive shaft when the cutter is running at working tempera ture and at full throttle without a load The maximum speed is stated on the unit WARNING If the speed is higher than that stated then the unit
29. nment When storing the power cutter for long periods the fuel tank s E must be emptied Contact your local fuel station to find out Some working positions may create greater stress on the how to dispose of excess fuel operator e Check the cutting area for buried cables and wires WARNING Use a Husqvarna fuel can with an anti spill device Fuel and fuel fumes are highly flammable Think of the risks of fire explosion and breathing in fumes Stop the engine before refuelling Do not overfill with Only use the machine in areas with good ventilation Neglect can result in serious injury or death fuel Mop up any spills on the ground or the machine If you spill fuel on yourself or your clothes change your clothes Move the Cutti ng machine at least 3 metres from the refuelling site before starting WARNING A safe distance from the power cutter is 15 metres You are responsible that animals and onlookers are not in the working area Do not start to work with the power cutter before the working area is clear and you have a firm foothold e Start cutting with the engine at full throttle e Always hold the power cutter firmly with both hands Hold the machine so that the thumb and fingers grip around the handle English 7 SAFETY INSTRUCTIONS Over exposure to vibrations can result in blood vessel or nerve injury to persons suffering with blood circulation problems Seek medical attention i
30. of the power cutter s safety equipment 4 Blade guard for the cutting blade WARNING Always check that the blade guard is correctly fitted before starting the machine The blade guard is mounted above the cutting blade and prevents cutting fragments from being thrown towards the user Control maintenance and service of the machine s safety equipment WARNING All service and repairs to the power cutter require special training This applies especially to the power cutter s safety equipment If the power cutter does not meet any of the 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 Anti vibration system Check the anti vibration elements regularly for material cracks and deformation Check that the anti vibration elements are securely mounted between the engine unit and the handle system 2 Stop switch Start the engine and make sure that the engine stops when the stop switch is moved to the stop position English 5 SAFETY INSTRUCTIONS 3 Muffler GENERAL SAFETY INSTRUCTIONS Never use a machine that has a defective muffler IMPORTANT INFORMATION Do not use the power
31. r other things cannot affect your control of the power cutter b If you have spilt fuel on yourself or your clothes Change your clothes Avoid usage in unfavourable weather conditions for example thick fog heavy rain strong winds or extreme cold etc To work in bad weather conditions is tiring and can create dangerous circumstances e g slippery surfaces c If there is a fuel leak Make regular checks for leakage from the fuel cap and the fuel supply pipes e Never start to work with the power cutter before the working area is clear and you have a firm foothold Look out for any obstacles with unexpected movement Ensure when cutting that no material can become loose and fall causing operating injury Take great care when working on sloping ground e Make sure clothing and parts of the body do not come into contact with the cutting blade when the engine is started Store the power cutter and fuel so that any leakage or fumes do not risk coming into contact with sparks or naked flames e Maintain a safe distance from the cutting blade when the For example electric machines electric motors electrical engine is running Switenes power switches heaters or the Ike e The blade guard should always be fitted when the engine is When storing fuel approved containers intended for this running purpose must be used Ensure that the working area is sufficiently illuminated to create a safe working enviro
32. replaced by Husqvarna Forest amp Garden OWNER S WARRANTY RESPONSIBILITIES As the small off road 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 off road 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 off road nonroad engine owner you should however be aware that Husqvarna Forest amp Garden may deny you warranty coverage if your small off road 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 off road 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 WARRANTY COMMENCEMENT DATE The warranty period begins on the date small off road nonroad engine is delivered LENGTH OF COVERAG
33. se until the engine starves from fuel Then open counter clockwise 1 8 of a turn Check the engine acceleration NOTE A too lean adjusted low speed needle the L needle closed too much results in starting difficulties Final setting of the idling speed T Adjust the idling speed with the screw T If it is necessary to re adjust first turn the idle speed adjusting screw T clockwise until the blade starts to rotate Then turn counter clockwise until the blade stops A correctly adjusted idle speed setting occurs when the engine runs smoothly in every position It should also be good margin to the rpm when the blade starts to rotate Recommended idling speed 2 500 rpm Contact your servicing dealer if the idle speed setting cannot be adjusted so that the blade stops Do not use the power cutter until it has been properly adjusted or repaired English 17 MAINTENANCE Fuel filter The fuel filter sits inside the fuel tank e The fuel tank must be protected from contamination when filling This reduces the risk of operating disturbances caused by blockage of the fuel filter e The filter cannot be cleaned but must be replaced with a new filter when it blocked The filter should be changed at least once per year Air filter The air filter should be cleaned regularly removing dust and dirt to avoid e Carburettor malfunction e Starting problems e Reduced engine power 2 gt e Unnece
34. ssary wear to engine parts Abnormal fuel consumption pp gt The air filter system consists of a main filter and a back up filter 1 The main filter is an oiled foam filter that is easily accessible under the filter cover A When used in dusty conditions this filter should be checked replaced after every second tank of fuel The filter must be cleaned and oiled regularly to obtain a satisfactory filtering effect There is a special HUSQVARNA oil produced for this purpose e Remove the filter Wash the filter carefully in tepid soapy water After cleaning rinse the filter thoroughly in clean water Squeeze out the filter and let the filter dry NOTE Compressed air at a high pressure can damage the foam e Oil the filter carefully It is extremely important that the entire filter is saturated in oil 2 The back up filter is a paper filter and is accessible from under cover B This filter should be changed cleaned when the engine s output drops or after 1 2 weeks The filter is cleaned by shaking or carefully using compressed air Note the filter must not be washed A filter used for a long period of time can never be completely cleaned Therefore all air filters must be replaced periodically with a new filter A damaged air filter must always be replaced IMPORTANT INFORMATION Insufficient care of the air filter will cause deposits on the spark p
35. ver leads cold air onto the cylinder Clean the cooling system using a brush at least once a week in difficult conditions more often A dirty or blocked cooling system leads to the engine overheating resulting in damage to the cylinder and piston Spark plug The condition of the spark plug is affected by An incorrect carburetor setting 0 5 mm An incorrect fuel mixture too much oil SS e A dirty air filter These factors cause deposits on the spark plug electrode that may result in malfunction eo a or starting difficulties If the machine is low on power difficult to start or ee runs poorly while idling TS always check the spark plug first If the spark plug T is dirty clean it and at the same time check that the ETES electrode gap is 0 5 mm 020 The spark plug should be changed after about one month of operation or earlier if necessary NOTE Always use the recommended type of spark plug see chapter Technical data An incorrect spark plug can damage the cylinder piston 20 English MAINTENANCE Below follows some general maintenance instructions If you need further information please contact your service workshop Daily maintenance 1 Check that throttle components work correctly from a safety view point throttle and starter throttle catch Clean the main filter Check the tension of the drive
36. y apply full throttle and the starter throttle catch will automatically disengage Stop The engine is stopped by switching off the ignition Slide the stop switch to the right English 15 MAINTENANCE Adjusting the drive belt The drive belt is fully enclosed and well protected from dust dirt and mechanical effects during the cutting process To tension the drive belt slightly loosen the bolts A which secure the cutting head and belt guard Turn the tensioning screw so that the nut B is located directly under the arrow on the cover Shake the head to ensure the spring can tension the belt The belt now automatically has the right tension Tighten the bolts that hold the cutting head Changing the drive belt e e e e e e e e e e Loosen the two bolts A Turn the tensioning screw B until the tension has been released Remove the two bolts A Remove the front belt cover C Remove the belt from the pulley Dismantle the cutting head Remove the nut D Remove the side cover Replace the drive belt To assemble reverse the procedure for dismantling Check the blade guard for signs of cracking or other damage Replace it if damaged Lm oe WARNING Never use a power cutter without a blade guard over the cutting blade 16 English
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