Husqvarna 3120XP Chainsaw User Manual
Contents
1.2. e File all the teeth to the same length When the length of the cutting teeth is reduced to 4 mm 0 16 the chain is worn out and should be replaced fa SIN English 11 SAFETY INSTRUCTIONS General advice on setting raker clearance e When you sharpen the cutting teeth you reduce the raker clearance cutting depth To maintain optimal cutting performance you must file back the raker lip to the recommended height See the Technical data section to find the raker clearance for your particular chain Y bc e Ona low kickback cutting link the front edge of the raker lip is rounded It is very important that you maintain this radius or bevel when you adjust the raker clearance e We recommend that you use our raker gauge to achieve the correct clearance and bevel on the raker lip WARNING The risk of kickback is increased if the raker clearance is too large Setting the raker clearance e Before setting the raker clearance the cutting teeth should be newly sharpened We recommend that you adjust the raker clearance every third time you sharpen the chain NOTE This recommendation assumes that the length of the cutting teeth is not reduced excessively To adjust the raker clearance you will need a flat file anda raker gauge e Place the gauge over the raker lip e Place the file over the part of the lip that protrudes through the gauge and file off the excess The clearance is correct wh
3. LENGTH OF COVERAGE Husqvarna Forest amp Garden warrants to the initial owner and each subsequent purchaser that the engine is free from defects in materials and workmanship which cause the failure of a warranted part for a period of two years WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Husqvarna Forest amp Garden servicing dealer If you have any questions regarding 36 English 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 un
4. 8 10 tanks of fuel the engine will be run in To ensure that it continues to run at peak performance and to minimise harmful exhaust emissions after the running in period ask your dealer service workshop who will have a rev counter at their disposal to adjust your carburettor Function Basic settings Fine adjustment WARNING Do not start the chain saw unless the bar chain and clutch cover chain brake are fitted otherwise the clutch may come loose and cause personal injury Function e The carburettor governs the engine s speed via the throttle control Air and fuel are mixed in the carburettor The air fuel mixture is adjustable Correct adjustment is essential to get the best performance from the machine e The setting of the carburettor means that the engine is adepted to local conditions for example the climate altitude fuel and the type of 2 stroke oil e The carburettor has two adjustment controls L Low speed jet Idle adjustment screw Maximum speed is controlled by a fixed jet electronic speed governor e The amount of fuel that is mixed with the air admitted by the throttle opening is adjusted using the low speed jet If this is turned clockwise it gives a leaner air fuel mixture less fuel and if it is turned anti clockwise it gives a richer air fuel mixture more fuel A leaner mixture gives a higher engine speed while a richer mixture gives a lower engine speed e The T screw regulat
5. Release the recoil spring by letting the pulley rotate slowly backwards e Undo the screw in the centre of the pulley and remove the pulley Insert and fasten a new starter cord to the pulley Wind approx 3 turns of the starter cord onto the pulley Connect the pulley to the recoil spring so that the end of the spring engages in the pulley Fit the screw in the centre of the pulley Insert the starter cord through the hole in the starter housing and the starter handle Make a secure knot in the end of the starter cord Tensioning the recoil spring e Hook the starter cord in the notch in the pulley and turn the starter pulley about 2 turns clockwise CAUTION Check that the pulley can be turned at least a further 1 2 turn when the starter cord is pulled all the way out Changing a broken recoil spring e Lift up the starter pulley See instructions under the heading Changing a broken or worn starter cord Remember that the recoil spring is coiled under tension in the starter housing MAINTENANCE e Remove the recoil spring by tapping the starter with the inside facing downwards gently on a work bench If the spring pops out during assembly coil it up from the outside working inwards e Lubricate the recoil spring with light oil Fit the pulley and tension the recoil spring Fitting the starter e To fit the starter first pull out the starter cord and place the Starter in position against the crankcase Then
6. movement activates a spring loaded mechanism that tightens the brake band C around the engine drive system D clutch drum The front hand guard is not designed solely to activate the chain brake Another important feature is that it reduces the risk of the chain hitting your left hand if you lose grip of the front handle w The chain brake must be engaged when the chain saw is Started You can also use the chain brake as a temporary brake when you change position or if you put the chain saw down for a short time Apart from the fact that a chain saw with a chain brake greatly reduces the risk of accidents due to kickback you should also apply the chain brake manually if there is a risk of the chain accidentally hitting anyone or anything close by To release the chain brake pull the front hand guard backwards towards the front handle a Kickback can be very sudden and violent Most kickbacks are minor and do not always activate the chain brake If this happens you should hold the chain saw firmly and not let go The way the chain brake is activated either manually or automatically by the inertia release mechanism depends on the force of the kickback and the position of the chain saw in relation to the object that the kickback zone of the bar strikes If you get a violent kickback while the kickback zone of the bar is farthest away from you the chain brake will be activated by the movement of the
7. the bottom directional cut Use full throttle and bring the bar and chain slowly into the tree Make sure the tree does not start to move in the opposite direction to your intended felling direction Drive a wedge or breaking bar into the cut as soon as it is deep enough Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1 10 of the trunk diameter The uncut section of the trunk is called the felling hinge H The felling hinge controls the direction that the tree falls in All control over the felling direction is lost if the felling hinge is too narrow or non existent or if the directional cuts and felling cut are badly placed When the felling cut and directional cut are complete the tree should start to fall by itself or with the aid of a felling wedge or breaking bar We recommend that you use a bar that is longer than the diameter of the tree so that you can make the felling cut and directional cuts with single cutting strokes See the Technical data section to find out which lengths of bar are recommended for your saw or There are methods for felling trees with a diameter larger than the bar length However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree ZN i WARNING Unless you have special training we advise you not
8. the same starting procedure as for a cold engine but without setting the choke control in the choke position Starting Grip the front handle with your left hand Hold the chain saw on the ground by placing your right foot through the rear handle Pull the starter handle with your right hand and pull out the starter cord slowly until you feel a resistance as the starter pawls engage then pull firmly and rapidly Never wrap the starter cord around your hand As the chain brake is still activated the engine must return to idling speed as soon as possible by disengaging the throttel latch in order to avoid unnecessery wear on the clutch assembly Push in the choke control as soon as the engine fire and make repeated starting attempts Immediately press and release the throttle when the engine starts That will disengage the throttle latch English 27 STARTING AND STOPPING CAUTION Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended This can damage the machine Pull the front hand guard towards the front handle The chain brake is now disengaged Your saw is ready for use Stop the engine by switching off the ignition Move the ignition switch to stop position 28 English MAINTENANCE Carburettor Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions After the engine has used
9. to fell trees with a diameter larger than the bar length of your saw English 21 SAFETY INSTRUCTIONS Limbing WARNING Most kickback accidents happen during limbing Pay close attention to the position of the kickback zone of the bar when you are limbing branches that are in tension Make sure that you can stand and move about safely Work on the left side of the trunk Work as close as possible to the chain saw for maximum control If possible let the weight of the chain saw rest on the trunk Keep the trunk between you and the chain saw as you move along the trunk Cutting the trunk into logs See instructions under the heading Basic cutting technique Freeing a tree that has fallen badly Freeing a trapped tree It is very dangerous to remove a trapped tree and there is high accident risk The safest method is to use a winch e Tractor mounted e Portable 22 English Cutting trees and branches that are in tension Preparations Work out which side is in tension and where the point of maximum tension is i e where it would break if it was bent even more Decide which is the safest way to release the tension and whether you are able to do it safely In complicated situations the only safe method is to put aside your chain saw and use a winch General advice Position yourself so that you will be clear of the tree or branch when the tension is released Make on
10. working instructions and General safety precautions A Spur sprocket the chain sprocket is welded on the drum Regularly check the degree of wear on the drive sprocket Replace if wear is excessive Replace the drive sprocket whenever you replace the chain Check regularly e Whether there are burrs on the edges of the bar Remove these with a file if necessary Ss e Whether the groove in the bar has become badly worn Replace the bar if necessary i 14 English SAFETY INSTRUCTIONS How to avoid kickback WARNING Kickback can happen very suddenly and violently kicking the chain saw bar and chain back at the user If this happens when the chain is moving it can cause very serious even fatal injuries It is vital you understand what causes kickback and that you can avoid it by taking care and using the right working technique What is kickback The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar known as the kickback zone touches an object A C Kickback always occurs in the cutting plane of the bar Normally the chain saw and bar are thrown backwards and upwards towards the user However the chain saw may move in a different direction depending on the way it was being used when the kickback zone of the bar touched the object Kickback only occurs if the kickback zone of th
11. your machine is nota servicing dealer ask him for the address of your nearest service agent Chain brake and front hand guard Checking brake band wear Brush off any wood dust resin and dirt from the chain brake and clutch drum Dirt and wear can impair operation of the brake Regularly check that the brake band is at least 0 6 mm thick at its thinnest point Checking the front hand guard Make sure the front hand guard is not damaged and that there are no visible defects such as cracks Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover Checking the inertia brake release plo Hold the chain saw over a stump or other firm object Let go of the front handle so that the bar drops towards the stump as the chain saw rotates around the rear handle Checking the brake trigger Place the chain saw on firm ground and start it Make sure the chain does not touch the ground or any other object See the instructions under the heading Start and stop English SAFETY INSTRUCTIONS Grasp the chain saw firmly wrapping your fingers and thumbs around the handles Apply full throttle and activate the chain brake by tilting your left wrist forward onto the front hand guard Do not let go of the front handle The chain should stop immediately e Make sure the throttle control is locked at the idle setting when
12. 2 tree lengths Make sure that no one else is in this risk zone before or during felling Felling direction The aim is to fell the tree in a position where you can limb and cross cut the log as easily as possible You want it to fall on ground where you can stand and move about safely The main point to avoid is letting the tree fall onto another tree See instructions under the heading Freeing a tree that has fallen badly Once you have decided which way you want the tree to fall you must judge which way the tree would fall naturally Several factors affect this e Lean of the tree e Bend e Wind direction e Arrangement of branches e Weight of snow You may find you are forced to let the tree fall in its natural direction because it is impossible or dangerous to try to make it fall in the direction you first intended 20 English Another very important factor which does not affect the felling direction but does affect your safety is to make sure the tree has no damaged or dead branches that might break off and hit you during felling WARNING During critical felling operations hearing protectors should be lifted immediately when sawing is completed so that sounds and warning signals can be heard Clearing the trunk and preparing your retreat Remove any branches that are in the way To do this it is best to work from the top down and keep the trunk between you and the chain saw Never limb above sh
13. Operator s manual EPA D 3120XP i Please read the operator s manual carefully and make sure you understand the instructions before using the machine English Key to symbols WARNING Chain saws can be dangerous Careless or incorrect use can result in serious or fatal injury to the operator or others Please read the operator s manual carefully and make sure you understand the instructions before using the machine Always wear e Approved protective helmet e Approved hearing protection e Protective goggles or a visor Both of the operator s hands must be used to operate the chain saw Please see page 30 in your Chain saw operator s safety manual Never operate a chain saw holding it with one hand only Please see page 30 in your Chain saw operator s safety manual Contact of the guide bar tip with any object should be avoided Please see pages 12 21 in your Chain saw operator s safety manual Tip contact may cause the guide bar to move suddenly upward and backward which may cause serious injury Please see pages 12 21 in your Chain saw operator s safety manual Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance Always wear approved protective gloves Regular cleaning is required Visual check Protective goggles or a visor must be worn 2 English KEY TO SYMBOLS Refuelling Filling with oil an
14. QVARNA AB HUSKVARNA SWEDEN EM i 7 _ Failure to follow instructions could result in serious THIS ENGINE CONFORMS TO U S EPA PH 1 ie a Sia PNA PEES OPCOM S a personal injury Recommended cutting equipment our W Ite WWW NUSQV CO see Operator s Manual s Other low or reduced A e S kickback combinations in Operator s Manual s SPECIFICATIONS AND ADJUSTMENTS NATIONAL STANDARD SAFETY SPECIFICATIONS FOR GASOLINE POWERED CHAIN SAWS ANSI B175 1 2000 English 3 SAFETY INSTRUCTIONS Personal protective equipment WARNING Most chain saw accidents happen when the chain touches the operator You must use approved personal protective equipment whenever you use the machine Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen Ask your dealer for help in choosing the right equipment WARNING Long or continuous exposure to high noise levels may cause permanent hearing impairment Always wear approved hearing protection when operating a chain saw e Protective helmet e Hearing protection e Protective goggles or a visor C IEK e Gloves with saw protection e Protective trousers with saw protection e Boots with saw protection steel toe cap and non slip sole Generally clothes should be close fitting without restricting your freedom of movement e Always have a first aid kit nearby E Ly 4 E
15. all parts of the chain saw are tightened correctly and that they are not damaged or missing 9 Check that the chain catcher is in place and not damaged Starting pl WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk e Never start a chain saw unless the bar chain and all covers are fitted correctly e The chain brake should be activated when starting see section on Starting Do not drop start This method is very dangerous because you may lose control of the saw see section on Starting e Never start a chain saw unless the bar chain and clutch cover are fitted correctly See instructions under the heading Assembly e Never start the machine indoors Exhaust fumes can be dangerous if inhaled SAFETY INSTRUCTIONS Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment Place the chain saw on the ground and hold the rear handle down with your right foot Grasp the front handle firmly using your left hand Make sure the chain saw is Steady and the chain is not touching the ground or other objects Then grasp the starter handle with your right hand and pull the starter cord Never wrap the starter cord around your hand WARNING Fuel and fuel vapour are highly flammable Take care when handling fuel and chain oil Be aware of the ris
16. bove Cutting on the pull stroke e Cutting from below Cutting on the push stroke Cutting on the push stroke increases the risk of kickback See instructions under the heading How to avoid kickback Terms Cutting General term for cutting through wood Limbing Cutting branches off a felled tree Splitting When the object you are cutting breaks off before the cut is complete There are five important factors you should consider before making a cut 1 Make sure the cutting equipment will not jam in the cut 3 Make sure the chain will not strike the ground or any other object during or after cutting 5 Do the conditions and surrounding terrain affect how safely you can stand and move about Two factors decide whether the chain will jam or the object that you are cutting will split the first is how the object is supported before and after cutting and the second is whether it is in tension SAFETY INSTRUCTIONS In most cases you can avoid these problems by cutting in two stages from the top and from the bottom You need to support the object so that it will not trap the chain or split during cutting WARNING If the chain jams in the cut stop the engine Don t try to pull the chain saw free If you do you may be injured by the chain when the chain saw suddenly breaks free Use a lever to open up the cut and free the chain saw The following instructions describe how to handle the commonest situa
17. chain saw models with an adjustable oil pump Checking chain lubrication e Check the chain lubrication each time you refuel Aim the tip of the bar at a light coloured surface about 20 cm 8 inches away After 1 minute running at 3 4 throttle you should see a distinct line of oil on the light surface If the chain lubrication is not working e Check that the oil channel in the bar is not obstructed Clean if necessary e Check that the groove in the edge of the bar is clean Clean if necessary e Check that the bar tip sprocket turns freely and that the lubricating hole in the tip sprocket is not blocked Clean and lubricate if necessary If the chain lubrication system is still not working after carrying out the above checks and associated measures you should contact your service agent Lubricating the bar tip sprocket Lubricate the bar tip sprocket each time you refuel Use the special grease gun and a good quality bearing grease Needle bearing lubrication The clutch drum is fitted with one of the following drive sprockets A Spur sprocket the chain sprocket is welded on the drum B Rim sprocket replaceable A Ne B CR CH Both versions have a needle bearing on the drive shaft which has to be greased regularly once a week CAUTION Use only high quality bearing grease or engine oil English 13 SAFETY INSTRUCTIONS Checking wear on cutting equipment e Whether the tip of the ba
18. counterweight inertia activated in the kickback direction If the kickback is less violent or the kickback zone of the bar is closer to you the chain brake will be activated manually by the movement of your left hand English 5 SAFETY INSTRUCTIONS e During felling your left hand grasps the front handle in such a way that it cannot activate the chain brake In this position i e when your left hand is in such a position that it cannot affect the movement of the front hand guard the chain brake can only be activated by the inertia of the counterweight e The inertia activated chain brake is a valuable feature but there are certain factors to remember see point above ZN Throttle lock The throttle lock is designed to prevent accidental operation of the throttle control When you press the lock A i e when you grasp the handle it releases the throttle control B When you release the handle the throttle control and the throttle lock both move back to their original positions This movement is controlled by two independent return springs This arrangement means that the throttle control is automatically locked at the idle setting Chain catcher The chain catcher is designed to catch the chain if it snaps or jumps off This should not happen if the chain is properly tensioned see instructions under the heading Assembly and if the bar and chain are properly serviced and maintained see instruction
19. d adjusting oil flow Other symbols decals on the machine refer to special certification requirements for certain markets CONTENTS Contents Before using a new chain saw KEY TO SYMBOLS e Please read the operators manual carefully Key tO SYMDOIS cccccccceceeeseeeeeeeeeeeeeeeeeseeaeeeeeeeeesaaeees 2 Check that the cutting equipment is correctly fitted and CONTENTS adjusted See instructions under the heading Assembly Contents Stare O ogee erate 3 gt Aeelalatthech nsavandcheckihe cabaettor Before using a new Chain SAW ceeeeeeeeeeeeeeeeeeeees 3 settings See the instructions under the headings Fuel SAFETY INSTRUCTIONS Handling Starting and Stopping and Carburettor Paleo protective equipmeni CEEE EET AEE EE 4 lt Donorusehechansavuniisuiicentchanoilhas Machine s safety SQUIDMEME ce ciccteccce cts ececeesee ai 4 reached the chain See instructions under the heading Checking maintaining and servicing the machine s Lubricating cutting equipment ANY Poepie E ase ee eo yisemeeeseceteheeeteeeee 7 IMPORTANT If the carburettor mixture is too lean it greatly Cutting equipment ote Secu uae oeeu mes eteee E 9 increases the risk of engine failure Poor maintenance of the How to avoid kickback cccccceseececeseeeceeeeeeeeeeeaeeeees 15 air filter will cause carbon build up on the spark plug and lead General safety precautions ssseeeeeseeeeeeeeeeeeeees 16 to starting difficulties If the chain is improperl
20. der warranty WHAT IS NOT COVERED All failures caused by abuse neglect or improper maintenance are not covered ADD ON OR MODIFIED PARTS The use of add on or modified parts can be grounds for disallowing a warranty claim Husqvarna Forest amp Garden is not liable to cover failures of warranted parts caused by the use of add on or modified parts HOW TO FILE A CLAIM If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest amp Garden at 1 800 487 5963 WHERE TO GET WARRANTY SERVICE Warranty services or repairs shall be provided at all Husqvarna Forest amp Garden authorized servicing dealers MAINTENANCE REPLACEMENT AND REPAIR OF EMISSION RELATED PARTS Any Husqvarna Forest amp Garden approved replacement part used in the performance of any warranty maintenance or repairs on emission related parts will be provided without charge to the owner if the part is under warranty EMISSION CONTROL WARRANTY PARTS LIST 1 Carburetor and internal parts 2 Intake pipe airfilter holder and carburetor bolts 3 Airfilter and fuelfilter covered up to maintenance schedule 4 Ignition System 1 Spark Plug covered up to maintenance schedule 2 Ignition Module MAINTENANCE STATEMENT The owner is responsible for the performance of all required maintenance as defined in the operator s manual 1140232 95 A T 2008 01 00
21. e bar touches an object General rules 1 If you understand what kickback is and how it happens then you can reduce or eliminate the element of surprise By being prepared you reduce the risk Kickback is usually quite mild but it can sometimes be very sudden and violent Always hold the chain saw firmly with your right hand on the rear handle and your left hand on the front handle Wrap your fingers and thumbs around the handles You should use this grip whether you are right handed or left handed This grip minimises the effect of kickback and lets you keep the chain saw under control Do not let go of the handles Most kickback accidents happen during limbing Make sure you are standing firmly and that there is nothing in the way that might make you trip or lose your balance Lack of concentration can lead to kickback if the kickback zone of the bar accidentally touches a branch nearby tree or some other object Never use the chain saw above shoulder height and try not to cut with the tip of the bar Never use the chain saw one handed In order to keep control of your saw always maintain a firm foothold Never work on a ladder in a tree or on any other insecure support Always use a fast cutting speed i e full throttle Take great care when you cut with the top edge of the bar i e when cutting from the underside of the object This is known as Cutting on the push stroke The chain tries to
22. e front handle Remove the bar nuts and remove the clutch cover chain brake Take off the transportation ring A Fit the bar over the bar bolts Place the bar in its rearmost position Place the chain over the drive sprocket locate it in the groove on the bar Begin on the top edge of the bar Make sure that the edges of the cutting links are facing forward on the top edge of the bar Fit the clutch cover and locate the chain adjuster pin in the hole in the bar Check that the drive links of the chain fit correctly over the drive sprocket and that the chain is correctly located in the groove in the bar Tighten the bar nuts finger tight 24 English Tension the chain by turning the chain tensioning screw clockwise using the combination spanner The chain should be tensioned until it does not sag from the underside of the bar The chain is correctly tensioned when it does not sag from the underside of the bar but can still be turned easily by hand Hold up the bar tip and tighten the bar nuts with the combination spanner When fitting a new chain the chain tension has to be checked frequently until the chain is run in Check the chain tension regularly A correctly tensioned chain ensures good cutting performance and long life gt FUEL HANDLING Fuel Mixing CAUTION The machine is equipped with a two stroke engine e Always mix the gasoline and oil in a clean container and mus
23. e maximum speed The high speed jet affects the chain saw s power For optimum setting of the carburettor contact a qualified servicing dealer who has a revolution counter at his disposal CAUTION Setting the high speed jet too lean reduces the engine s power and causes overheating This results in engine damage Correctly adjusted carburettor When the carburettor is correctly adjusted the machine accelerates without hesitation and the machine 4 cycles a little at max speed It is also important that the chain does not rotate at idle If the L jet is set too lean it may cause starting difficulties and poor acceleration If the H jet is set too lean the machine will have less power poor acceleration and could suffer damage to the engine If the L and H jets are set too rich it will lead to acceleration problems or too low a working speed Starter WARNING When the recoil spring is wound up in the starter housing it is under tension and can if handled carelessly pop out and cause personal injury Always be careful when changing the recoil spring or the starter cord Always wear protective goggles Changing a broken or worn starter cord Length of starter cord 1100 mm 43 Thickness of starter cord 4 0 mm 5 32 e Loosen the screws that hold the starter against the crankcase and remove the starter 30 English e Pull out the cord approx 30 cm and hook it into the notch in the rim of the pulley
24. e or more cuts at or near the point of maximum tension Make as many cuts of sufficient depth as necessary to reduce the tension and make the tree or branch break at the point of maximum tension Never cut straight through a tree or branch that is in tension ok fk Oo Oo 13 14 15 WHAT IS WHAT lwp lt Q OM 8 D OH 1 G Ze n o What is what on the chain saw l 2 3 4 5 6 7 8 9 Cylinder cover Front handle Front hand guard Starter Chain oil tank Starter handle Adjuster screws carburettor Choke control Rear handle Stop switch Ignition on off switch Fuel tank Muffler Bar tip sprocket Chain Bar 16 Spike bumper 17 Chain catcher Catches chain if it jumps or breaks 18 Clutch cover with built in chain brake 19 Right hand guard Protects right hand if chain breaks or jumps 20 Throttle control 21 Throttle lock Prevents accidental operation of throttle control 22 Decompression valve 23 Combination spanner 24 Chain tensioning screw 25 Operator s manual EPA 26 Bar guard 27 Air filter cover 28 Lever for extra chain oil 29 Half throttle lock button English 23 ASSEMBLY Fitting the bar and chain WARNING Always wear gloves when working with the chain in order to protect your hands from injury Check that the chain brake is in disengaged position by moving the front hand guard towards th
25. em To keep the working temperature as low as possible the machine is equipped with a cooling system The cooling system consists of 1 Air intake on the starter 2 Air guide plate 3 Fins on the flywheel 4 Cooling fins on the cylinder 5 Cylinder cover directs cold air over the cylinder Clean the cooling system with a brush once a week more often in demanding conditions A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder Below you will find some general maintenance instructions Daily maintenance 1 Check the throttle trigger for smooth operation If any binding occurs or if engine fails to return to idle the machine should be taken to your dealer before it is used again Also be sure that the trigger cannot be pulled until the throttle trigger lockout is depressed 2 Clean the chain brake and check that it operates safely Make sure that the chain catcher is undamaged and replace it if necessary 3 Clean or replace the air filter as necessary Check for damage or holes 4 The bar should be turned daily for more even wear Check the lubrication hole in the bar to be sure it is not clogged Clean the bar groove If the bar has a sprocket tip this should be lubricated 5 Check that the bar and chain are getting sufficient oil 6 Sharpen the chain and check its tension and condition Check the drive sprocket for excessive wear and r
26. en you no longer feel any resistance as you draw the file over the gauge 12 English Tensioning the chain WARNING A slack chain may jump off and cause serious or even fatal injury The more you use a chain the longer it becomes It is therefore important to adjust the chain regularly to take up the Slack Check the chain tension every time you refuel NOTE A new chain has a running in period during which you should check the tension more frequently The position of the chain tensioning screw on our chain saws varies from model to model See the What is what section to find out where it is on your model Tension the chain as tightly as possible but not so tight that you cannot pull it round freely by hand Lr am sameeren e Undo the bar nuts that hold the clutch cover chain brake Use the combination spanner Then tighten the bar nuts by hand as tight as you can e Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw using the combination spanner Tighten the chain until it does not sag from the underside of the bar e Use the combination spanner to tighten the bar nuts while lifting the tip of the bar at the same time Check that you can pull the chain round freely by hand and that it does not sag from the underside of the bar SAFETY INSTRUCTIONS Lubricating cutting equipment WARNING Poor lubrication of cutting equipment may cause t
27. eplace if necessary Clean the air intake on the starter Check the starter and starter cord for wear or damage Check that nuts and screws are tight Test the stop switch to be sure it shuts off the engine Weekly maintenance Check that the vibration damping elements are not damaged Lubricate the clutch drum bearing File off any burrs from the edges of the bar Clean the spark plug Check that the electrode gap is 0 5 mm 0 020 inch Clean the fins on the flywheel Check the starter and the recoil spring Clean the cooling fins on the cylinder Clean or replace the spark arrestor mesh in the muffler Clean the carburettor compartment Monthly maintenance iN Oo dO N O OO Check the brake band on the chain brake for wear Check the clutch centre clutch drum and clutch spring for wear Clean the outside of the carburettor Check fuel hose for cracks or other damage Change if necessary Clean the inside of the fuel tank Clean the inside of the oil tank Check all cables and connections Change the spark plug Change the air filter English 33 TECHNICAL DATA Technical data Engine Cylinder volume cu in cm Cylinder bore inch mm Stroke inch mm Idle speed rom Power kW rom Ignition system Manufacture Type of ignition system Spark plug Electrode gap inch mm Fuel and lubrication system Manufacturer of carburettor Carburettor type Fuel tank capacity US pin
28. es the throttle setting at idle speed If the T screw is turned clockwise this gives a higher idle speed turning it anti clockwise gives a lower idle speed Basic settings and running in The basic carburettor settings are adjusted during testing at the factory The basic setting is richer than the optimal setting and should be kept during the machine s first working hours Thereafter the carburetor should be finely adjusted Fine adjustment should be carried out by a skilled technician NOTE If the chain rotate while idling the T screw should be adjusted counter clockwise until it stops Recommended idling speed 2 500 rpm Fine adjustment When the saw has been run in the carburettor should be finely adjusted The fine adjustment should be carried out by qualified person The L needle is adjusted first then the idling screw T Conditions e Before any adjustments are made the air filter should be clean and the cylinder cover fitted Adjusting the carburettor while a dirty air filter is in use will result in a leaner mixture next time the filter is cleaned This can give rise to serious engine damage e Turn the low speed jet carefully clockwise until it bottoms Now turn it one turn anti clockwise The carburettor is now set to L 1 e Now start the machine according to the starting instructions and let it warm up for 10 minutes CAUTION If the chain rotates while idling the T screw must be turned anti clockwise unt
29. gers hands or wrists The risk increases at low temperatures Stop switch Use the stop switch to switch off the engine A QY SAFETY INSTRUCTIONS Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user WARNING The exhaust fumes from the engine are hot and may contain sparks which can start a fire Never start the machine indoors or near combustible material In areas with a hot dry climate there is a high risk of fires These areas are sometimes controlled by legislation and requirements that among other things the muffler must be equipped with an approved type of spark arrestor mesh For mufflers it is very important that you follow the instructions on checking maintaining and servicing your machine See instructions under the heading Checking maintaining and servicing the machine s safety equipment WARNING The muffler gets very hot in use and remains so for a short time afterwards Do not touch the muffler if it is hot Checking maintaining and servicing the machine s safety equipment WARNING All servicing and repair work on the machine requires special training This is especially true of the machine s safety equipment If your machine fails any of the checks described below you must contact your service agent When you buy any of our products we guarantee the availability of professional repairs and service If the retailer who sells
30. he chain to snap which could lead to serious even fatal injuries Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm Summer or cold winter weather As achain saw manufacturer we have developed an optimal chain oil which has a vegetable oil base We recommend the use of our own oil for both maximum chain life and to minimise environmental damage If our own chain oil is not available standard chain oil is recommended In areas where oil specifically for lubrication of saw chains is unavailable ordinary EP 90 transmission oil may be used Never use waste oil This is dangerous for yourself the machine and the environment Filling with chain oil e All our chain saws have an automatic chain lubrication system On some models the oil flow is also adjustable a e The sizes of the chain oil tank and fuel tank have been chosen so that the engine will run out of fuel before running out of oil This means that you should never run with a dry chain However this safety feature requires that you use the right sort of chain oil if the oil is too thin it will run out before the fuel and that you adjust the carburettor as recommended a weak mixture may mean that the fuel lasts longer than the oil and that you also use the recommended cutting equipment a bar that is too long will use more chain oil The above conditions also apply to
31. il the chain stops e Place the machine on a flat surface so that the bar points away from you and so that the bar and chain do not come into contact with the surface or other objects Low speed jet L 1 4 M a Turn the low speed jet L clockwise until it stops If the engine accelerates poorly or idles unevenly turn the low speed jet L anticlockwise until good acceleration and idling are achieved CAUTION If the chain rotates while idling the T screw must be turned anti clockwise until the chain stops 9 Final setting of the idling speed T Adjust the idle speed with the T screw If it is necessary to re adjust turn the T screw clockwise while the engine is running until the chain starts to rotate Then turn counter clockwise until the chain stops A correctly adjusted idle speed setting occurs when the engine runs smoothly in every position It should also be good margin to the rom when the chain starts to rotate WARNING Contact your servicing dealer if the idle speed setting cannot be adjusted so that the chain stops Do not use the chain saw until it has been properly adjusted or repaired English 29 MAINTENANCE High speed jet H k ilh Dd This chain saw is equipped with a carburettor that has a built in fixed high speed jet CAUTION There is an integrated speed governor in the ignition that limits the maximum speed to 12 000 rpm Adjusting the jet therefore has no effect on th
32. ions and use the recommended raker gauge Too large a clearance increases the risk of kickback N Regularly check that the muffler is securely attached to the machine fo o a m m 1 DN aA e Keep the chain properly tensioned If the chain is slack LL it is more likely to jump off and lead to increased wear on the bar chain and drive sprocket If the muffler on your machine is fitted with a spark arrestor mesh this must be cleaned regularly A blocked mesh will cause the engine to overheat and may lead to serious IMG TONE NEN SP ey CRO RICE a oe e Keep cutting equipment well lubricated and properly maintained A poorly lubricated chain is more likely to break and lead to increased wear on the bar chain and drive sprocket A Never use a muffler if the spark arrestor mesh is missing fo or defective WARNING Never use a machine with faulty safety equipment The machine s safety Cutting equipment designed to minimise equipment must be checked and maintained kickback as described in this section If your machine fails any of these checks contact your service agent to get it repaired WARNING Faulty cutting equipment or the wrong combination of bar and chain increases the risk of kickback Use only the Cutting equipment bar and chain combinations that we recommend See the Technical data section This section describes how to choose and maintain your cutting equipment in
33. ks of fire explosion and those associated with inhalation Never refuel the machine while the engine is running Make sure there is plenty of ventilation when refuelling or mixing fuel gasoline and 2 stroke oil Move the machine at least 3 m from the refuelling point before starting it Never start the machine 1 If you have spilt fuel or chain oil on the machine Wipe off the spillage and allow remaining fuel to evaporate 2 If you have spilt fuel on yourself or your clothes change your clothes Wash any part of your body that has come in contact with fuel Use soap and water 3 Ifthe machine is leaking fuel Check regularly for leaks from the fuel cap and fuel lines Transport and storage Always store the chain saw and fuel so that there is no risk of leakages or fumes coming into contact with sparks or naked flames from electrical equipment electric motors relays switches boilers and the like Always store fuel in an approved container designed for that purpose For longer periods of storage or for transport of the chain saw the fuel and chain oil tanks should be emptied Ask where you can dispose of waste fuel and chain oil at your local gas station Ensure the machine is cleaned and that a complete service is carried out before long term storage The transport guard must always be fitted to the cutting attachment when the machine is being transported or in storage General working instructio
34. l branches can be grabbed by the chain and thrown back at you Causing serious injury e Make sure you can move and stand safely Check the area around you for possible obstacles roots rocks branches ditches etc in case you have to move suddenly Take great care when working on sloping ground e Take the utmost care when cutting through branches or logs that are in tension A log or branch that is in tension can suddenly spring back into its natural position before or after you cut it If you stand on the wrong side or start cutting in the wrong place it may strike you or your chain saw so that you lose control Both situations could cause serious injury ple e Before moving your chain saw switch off the engine and lock the chain using the chain brake Carry the chain saw with the bar and chain pointing backwards Fit a guard to the bar before transporting the chain saw or carrying it for any distance e Never put a chain saw down while the engine is running unless you have it in clear view and the chain brake is on Switch the engine off before leaving your chain saw for any length of time 18 English Basic cutting technique General e Always use full throttle when cutting e Reduce the speed to idle after every cut running the engine for too long at full throttle without any load i e without any resistance from the chain during cutting can lead to serious engine damage e Cutting from a
35. ll tip radius low risk of kickback Ja e Chain pitch inches The spacing between the drive links of the chain must match the spacing of the teeth on the bar tip sprocket and drive sprocket 10 English e Number of drive links The number of drive links is determined by the length of the bar the chain pitch and the number of teeth on the bar tip sprocket e Bar groove width inches mm The groove in the bar must match the width of the chain drive links mi ig e Chain oil hole and hole for chain tensioner The bar must be matched to the chain saw design amp O Cc Q Chain e Chain pitch inches Drive link width mm inches e Number of drive links a e Level of kickback reduction The level of kickback reduction offered by a chain is only indicated by its model number See the Technical data section to find the model numbers of chains that are recommended for use with your model of chain saw SAFETY INSTRUCTIONS Sharpening your chain and adjusting raker clearance WARNING The risk of kickback is increased with a badly sharpened chain General information on sharpening cutting teeth e Never use a blunt chain When the chain is blunt you have to exert more pressure to force the bar through the wood and the cuttings will be very small If the chain is very blunt it will not produce any cuttings at all Wood powder would be the only result e A sharp chain eats its way thro
36. nglish Machine s safety equipment This section describes the machine s safety equipment its purpose and how checks and maintenance should be carried out to ensure that it operates correctly See the What is what section to locate where this equipment is positioned on your machine WARNING Never use a machine that has faulty safety equipment Carry out the inspection maintenance and service routines listed in this section e Chain brake and front hand guard aA e Throttle lock ad e Chain catcher e Right hand guard p e Vibration damping system p f C Lan a e S ceee e Stop switch e Cutting equipment See instructions under the heading Cutting equipment SAFETY INSTRUCTIONS Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain immediately if you get a kickback The chain brake reduces the risk of accidents but only you can prevent them Take care when using your saw and make sure the kickback zone of the bar never touches any object A The chain brake A can either be activated manually by your left hand or automatically by the inertia release mechanism a pendulum that swings independently of the chain saw On most of our models the front hand guard acts as a counterweight in case of kickback The brake is applied when the front hand guard B is pushed forwards This
37. ns WARNING This section describes basic safety rules for using a chain saw This information is never a substitute for professional skills and experience If you get into a situation where you feel unsafe stop and seek expert advice Contact your chain saw dealer service agent or an experienced chain saw user Do not attempt any task that you feel unsure of Before using a chain saw you must understand the effects of kickback and how to avoid them See instructions under the heading How to avoid kickback Before using a chain saw you must understand the difference between cutting with the top and bottom edges of the bar See instructions under the heading How to avoid kickback Basic safety rules Look around you To ensure that people animals or other things cannot affect your control of the machine To make sure that none of the above might come within reach of your saw or be injured by falling trees Follow the instructions above but do not use achain sawina situation where you cannot call for help in case of an accident Do not use the machine in bad weather such as dense fog heavy rain strong wind intense cold etc Working in bad weather is tiring and often brings added risks such as icy ground unpredictable felling direction etc English 17 SAFETY INSTRUCTIONS e Take great care when removing small branches and avoid cutting bushes i e cutting many small branches at the same time Smal
38. order to The only way to avoid kickback is to make sure that the gt Reduce rickor kadhak kickback zone of the bar never touches anything By using cutting equipment with built in kickback reduction Reduce the risk of the chain breaking or jumping and keeping the chain sharp and well maintained you can e Obtain maximum cutting performance reduce the effects of kickback e Extend the life of cutting equipment Bar General rules The smaller the tip radius the smaller the kickback zone and the lower the chance of kickback e Only use cutting equipment recommended by us See the Technical data section A A SB c CIES IA D English 9 SAFETY INSTRUCTIONS A chain is made up of a number of links which are available in standard and low kickback versions Low kickback None Standard A Bee Cutting link Drive link Side link IEE Hae Combining these links in different ways gives different degrees of kickback reduction In terms of kickback reduction alone four different types of link are available Level of kickback Cutting link Drive link Side link reduction Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomes worn or damaged you must replace it with one of the bars and chains recommended by us See the Technical data section Bar e Length inches cm p L e Number of teeth on bar tip sprocket T Small number sma
39. osits on the spark plug electrodes which may result in operating problems and starting difficulties e If the machine is low on power difficult to start or runs poorly at idle speed always check the spark plug first before taking any further action If the spark plug is dirty clean it and check that the electrode gap is 0 5 mm 0 020 The spark plug should be replaced after about a month in operation or earlier if necessary CAUTION Always use the recommended spark plug type Use of the wrong spark plug can damage the piston cylinder English 31 MAINTENANCE Muffler The muffler is designed to reduce the noise level and to direct the exhaust gases away from the operator The exhaust gases are hot and can contain sparks which may cause fire if directed against dry and combustible material Some mufflers are equipped with a special spark arrestor mesh If your machine has this type of muffler you should clean the mesh at least once a week This is best done with a wire brush CAUTION The mesh must be replaced if it is damaged If the mesh is blocked the machine will overheat and this will cause damage to the cylinder and piston Never use a machine with a muffler that is in poor condition Needle bearing lubrication The clutch drum is fitted with one of the following drive sprockets e A Spur sprocket the chain sprocket is welded on the drum e B Rim sprocket replaceable R 7 d Ged Both ve
40. oulder height Remove any undergrowth from the base of the tree and check the area for obstacles stones branches holes etc so that you have a clear path of retreat when the tree starts to fall Your path of retreat should be roughly 135 degrees away from the intended felling direction Felling Felling is done using three cuts First you make the directional cuts which consist of the top cut and the bottom cut then you finish with the felling cut By placing these cuts correctly you can control the felling direction very accurately Directional cuts To make the directional cuts you begin with the top cut Stand to the right of the tree and cut on the pull stroke n ars i i q N Next make the bottom cut so that it finishes exactly at the end of the top cut Ai a ee TRG a SR er ae Ls ss A SAFETY INSTRUCTIONS The directional cuts should run 1 4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45 l The line where the two cuts meet is called the directional cut line This line should be perfectly horizontal and at right angles 90 to the chosen felling direction Felling cut The felling cut is made from the opposite side of the tree and it must be perfectly horizontal Stand on the left side of the tree and cut on the pull stroke Make the felling cut about 3 5 cm 1 5 2 inches above
41. part on you engine as listed above is defective the part will be repaired or replaced by Husqvarna Forest amp Garden OWNER S WARRANTY RESPONSIBILITIES As the small nonroad engine owner you are responsible for the performance of the required maintenance listed in your Operator s Manual Husqvarna Forest amp Garden recommends that you retain all receipts covering maintenance on your small nonroad engine but Husqvarna Forest amp Garden cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the small nonroad engine owner you should however be aware that Husqvarna Forest amp Garden may deny you warranty coverage if your small nonroad engine or a part of it has failed due to abuse neglect improper maintenance unapproved modifications or the use of parts not made or approved by the Original equipment manufacturer You are responsible for presenting your small nonroad engine to a Husqvarna Forest amp Garden authorized servicing dealer as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest amp Garden at 1 800 487 5963 WARRANTY COMMENCEMENT DATE The warranty period begins on the date small nonroad engine is delivered
42. push the chain saw back towards the user Unless the user resists this pushing force there is a risk that the chain saw will move so far backwards that only the kickback zone of the bar is in contact with the tree which will lead to a kickback hee ap AN AA emg English 15 SAFETY INSTRUCTIONS Cutting with the bottom edge of the bar i e from the top of the object downwards is known as Cutting on the pull stroke In this case the chain saw pulls itself towards the tree and the front edge of the chain saw body rests naturally on the trunk when cutting Cutting on the pull stroke gives the operator better control over the chain saw and the position of the kickback zone Follow the instructions on sharpening and maintaining your bar and chain When you replace the bar and chain use only combinations that are recommended by us See instructions under the headings Cutting equipment and Technical data WARNING The risk of kickback is increased if you use the wrong cutting equipment or a chain that is not sharpened correctly The wrong combination of bar and chain can increase the risk of kickback General safety precautions Chain saws are designed solely for cutting wood The only accessories you may use with this engine unit are the combinations of bars and chains we recommend in the Technical data section Never use the machine if you are tired if you have drunk alcohol or if you are taking medica
43. r is uneven or badly worn If a hollow forms on the underside of the bar tip this is due to gt running with a slack chain Ti Check the chain daily for gt e To prolong the life of the bar you should turn it over daily e Visible cracks in rivets and links e Whether the chain is stiff e Whether rivets and links are badly worn We recommend you compare the existing chain with a new WARNING Most chain saw accidents chain to decide how badly the existing chain is worn happen ee he cha ouches iNe gt O16 operator Al Wear personal protective equipment See instructions under the heading Personal Lo protective equipment Do not tackle any job that you feel you are not adequately trained for See instructions under the headings Personal protective When the length of the cutting teeth has worn down to only 4 mm the chain must be replaced equipment How to avoid kickback Cutting equipment and General working instructions m piel Avoid situations where there is a risk of kickback See instructions under the heading Machine s safety equipment Chain drive sprocket The clutch drum is fitted with one of the following drive sprockets Use the recommended protective equipment and check its condition See instructions B Rim sprocket replaceable under the heading General working instructions Check that all the chain saw safety features are working See instructions under the headings General
44. rsions have a needle bearing on the drive shaft which has to be greased regularly once a week CAUTION Use only high quality bearing grease or engine oll 32 English Adjustment of the oil pump e The oil pump is adjustable Adjustments are made by turning the screw using a screwdriver or combination spanner The machine is supplied from the factory set to 1 turn open Turning the screw clockwise will reduce the oil flow and turning the screw anti clockwise will increase the oil flow WARNING The engine must not be running when making adjustments Recommended settings Bar 24 28 0 turns from the closed position Bar 28 34 3 4 turns from the closed position Bar 34 42 1 1 2 turns from the closed position Bar 42 and longer 1 3 4 turns from the closed position These recommendations apply to Husqvarna s chain oil for other chain oils increase the oil flow by one step Extra chain oil Under EXTREME conditions the chain and bar may require extra chain oil The oil flow should only be increased when the engine is running and the chain rotating Push the lever to the right where it will automatically be held in the locked position Press in the lever button to release it Note It is not necessary to pump continuously When the extra oil flow has been activated oil consumption increases by 40 80 depending on the oil pump s basic setting MAINTENANCE Cooling syst
45. s under the heading General working instructions Right hand guard Apart from protecting your hand if the chain jumps or snaps the right hand guard stops branches and twigs from interfering with your grip on the rear handle 6 English Vibration damping system Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier When you use a chain saw vibration is generated by the uneven contact between the chain and the wood you are cutting Cutting hardwoods most broadleaf trees creates more vibration than cutting softwoods most conifers Cutting with cutting equipment that is blunt or faulty wrong type or badly sharpened will increase the vibration level See instructions under the heading Cutting equipment low The machine s vibration damping system reduces the transfer of vibration between the engine unit cutting equipment and the machine s handle unit The body of the chain saw including the cutting equipment is insulated from the handles by vibration damping units WARNING Overexposure to vibration can lead to circulatory damage or nerve damage in people who have impaired circulation Contact your doctor if you experience symptoms of overexposure to vibration Such symptoms include numbness loss of feeling tingling pricking pain loss of strength changes in skin colour or condition These symptoms normally appear in the fin
46. safest saw and cutting equipment applicable to your cutting need Bar Chain Length inches Pitch inch Max nose radius 24 42 0 404 ATL 1 65 Husqvarna H64 Oregon 27 Listed ATL is the Oregon designation of Armour Tip Large hard nose bar inch mm inch mm inch cm dl H64 0 404 0 063 1 6 7 32 5 5 0 030 0 75 24 60 76 28 71 84 Oregon 27 32 80 92 36 90 104 42 107 124 English 35 FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA The US Environmental Protection Agency Environment Canada and Husqvarna Forest amp Garden are pleased to explain the emissions control system warranty on your 2001 and later small nonroad engine In U S and Canada new small nonroad engines must be designed built and equipped to meet the federal stringent anti smog standards Husqvarna Forest amp Garden must warrant the emission control system on your small nonroad engine for the period of time listed below provided there has been no abuse neglect or improper maintenance of your unit Your emmission control system includes Parts such as the carburetor and the ignition system Where a warrantable condition exists Husqvarna Forest amp Garden will repair your small nonroad engine at no cost to you Expenses covered under warranty include diagnosis parts and labor MANUFACTURER S WARRANTY COVERAGE The 2001 and later small nonroad engines are warranted for two years If any emission related
47. se serious even fatal injuries It is very Cooling system cccccccseseeeeceeeceeeeeeeeeeeseaeeeeeeesaaaeeeeeess 33 important that you read and understand the Daily maintenance ceeccceeeceeeeeeeeeeeeeeseeeeeseeeeeeaeeeees 33 contents of this operator s manual Weekly maintenance cccccseecceeceeeeeeceeeeeeeseeeeeesaeees 33 Monthly maintenance cececeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaes 33 WARNING The inside of the muffler contain TECHNICAL DATA chemicals that may be carcinogenic Avoid Technical dala J cvssusonmcscnosersgaccaegrsessuntauinoidnenceoadtieniacsnancnes 34 contact with these elements in the event of a FEDERAL EMISSION CONTROL WARRANTY camma IU le STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS 36 WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk A WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm You will find the following labels on your machine KAD A N gt EPAI Husqvarna AB has a policy of continuous product Ey E MINS development and therefore reserves the right to modify the This saw is capable of severe kickback ORIANT ENG NE ON design and appearance of products without prior notice an Follow all safety precautions i Husqvarna in the Operator s Manual s HUS
48. slowly release the starter cord so that the pulley engages with the pawils e Fit and tighten the screws that hold the starter Air filter The air filter must be regularly cleaned to remove dust and dirt in order to avoid e Carburettor malfunctions e Starting problems e Loss of engine power e Unnecessary wear to engine parts e Excessive fuel consumption ple Clean the air filter daily or more often in demanding conditions e Remove the air filter after taking off the air filter cover When refitting make sure that the air filter seals tightly against the filter holder Clean the filter by brushing or shaking it e The filter can be cleaned more thoroughly by washing it in water and detergent An air filter that has been in use for a long time cannot be cleaned completely The filter must therefore be replaced with a new one at regular intervals A damaged air filter must always be replaced IMPORTANT A flocked air filter should be used to avoid excessive engine wear under extremely dusty conditions such as cutting wood that contains sand volcanic ash burnt wood or when cutting construction timber CAUTION Foam air filters must be oiled before use Use special Twin Air Oil or if unavailable SAE 30 oil Spark plug The spark plug condition is influenced by e Incorrect carburettor adjustment e Wrong fuel mixture too much oil e Adirty air filter These factors cause dep
49. t always been run using a mixture of gasoline and intended for fuel two stroke engine oil It is important to accurately measure Always start by filling half the amount of the gasoline to be the amount of oil to be mixed to ensure that the correct used Then add the entire amount of oil Mix shake the mixture is obtained When mixing small amounts of fuel even fuel mixture Add the remaining amount of gasoline small inaccuracies can drastically affect the ratio of the o mixture e Mix shake the fuel mixture thoroughly before filling the machine s fuel tank WARNING Always ensure there is adequate ventilation when handling fuel Gasoline e This engine is certified to operate on unleaded gasoline e Use good quality unleaded gasoline e Do not mix more than one month s supply of fuel at a time e ifthe machine is not used for some time the fuel tank The lowest octane recommended is 87 If you run the should be emptied and cleaned engine on a lower octane than 87 it can result in knocking This engine is certified to operate on unleaded This gives rise toa high engine temperature which can gasoline result in serious engine damage When working with continuous high revs e g limbing a Chain oil higher octane is recommended Two stroke oil For best results and performance use HUSQVARNA two The chain lubrication system is automatic and we stroke oil which is specially formulated for our two s
50. t litre Oil pump capacity at 9 000 rom ml min Oil tank capacity US pint litre Type of oil pump Weight Chain saw without bar or chain empty tanks Lbs kg Chain bar Standard bar length inch cm Recommended bar lengths inch cm Usable cutting length inches cm Chain speed at max power m sec Pitch inch mm Thickness of drive links inch mm Number of teeth on drive sprocket 34 English 3120XP 7 29 118 8 2 36 60 1 65 42 2500 6 2 9000 SEM CD NGK BPMR 7A Champion RCJ 7Y 0 02 0 5 Walbro WG 7A 2 64 1 25 30 54 1 48 0 7 Automatic Manual for extra oil flow 22 9 10 4 24 60 24 42 60 105 23 42 5 7 104 20 1 0 404 10 26 0 063 1 6 7 TECHNICAL DATA Recommended original and replacement bar and chain combinations This Husqvarna chain saw model is in the ANSI category of saws above 3 8 cu in and is not required to comply with low kickback performance requirements However for this model we recommend the following cutting equipment The combinations of power head bar and chain have been investigated in accordance with the kickback and vibration requirements of ANSI B 175 1 1991 WARNING This chain saw model is capable of severe kickback that could result in serious injuries to the user Do not operate this saw unless you have extraordinary cutting needs and experience and specialized training for dealing with kickback Saws with significantly reduced kickback potential are available Always use the
51. the throttle lock is released e Press the throttle lock and make sure it returns to its Original position when you release it a e Check that the throttle control and throttle lock move freely and that the return springs work properly i e Start the chain saw and apply full throttle Release the throttle control and check that the chain stops and remains stationary If the chain rotates when the throttle control is in the idle position you should check the carburettor idle adjustment 8 English Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw Right hand guard Check that the right hand guard is not damaged and that there are no visible defects such as cracks Vibration damping system Regularly check the vibration damping units for cracks or deformation Make sure the vibration damping units are securely attached to the engine unit and handle unit Stop switch ple Start the engine and make sure the engine stops when you move the stop switch to the stop setting A FS SAFETY INSTRUCTIONS Muffler e Keep the chain s cutting teeth properly sharpened Follow our instructions and use the recommended file gauge A damaged or badly sharpened chain increases the risk of accidents e Never use a machine that has a faulty muffler fo 0 N D e Maintain the correct raker clearance Follow our instruct
52. tion that could affect your vision your judgement or your co ordination Wear personal protective equipment See instructions under the heading Personal protective equipment Never use a machine that has been modified in any way from its original specification Never use a machine that is faulty Carry out the checks maintenance and service instructions described in this manual Some maintenance and service measures must be carried out by trained and qualified specialists See instructions under the heading Maintenance Never use any accessories other than those recommended in this manual See instructions under the headings Cutting equipment and Technical data WARNING The risk of accident is increased if you use the wrong cutting equipment or a chain that is not sharpened correctly Using the wrong combination of bar and chain can increase the risk of accidents 16 English Before use 1 Check that the chain brake works correctly and is not damaged See the instructions under the heading Checking the chain brake 2 Check that the rear right hand guard is not damaged 3 Check that the throttle lock works correctly and is not damaged 4 Check that the start and stop switch works correctly and is not damaged 5 Check that all handles are free from oil 6 Check that the anti vibration system works and is not damaged 7 Check that the muffler is securely attached and not damaged 8 Check that
53. tions you are likely to encounter when using a chain saw Cutting The log is lying on the ground There is little risk of the chain jamming or the object splitting However there is a risk that the chain will touch the ground when you finish the cut Cut all the way through the log from above Avoid letting the chain touch the ground as you finish the cut Maintain full throttle but be prepared for what might happen If it is possible can you turn the log stop cutting about 2 3 of the way through the log Turn the log and finish the cut from the opposite side ey The log is supported at one end There is a high risk that it will split Start by cutting from below about 1 3 of the way through Finish by cutting from above so that the two cuts meet Oe The log is supported at both ends There is a high risk that the chain will jam Finish by cutting from below so that the two cuts meet Oo Limbing When limbing thick branches you should use the same approach as for cutting Cut difficult branches piece by piece English 19 SAFETY INSTRUCTIONS Tree felling technique WARNING It takes a lot of experience to fell a tree Inexperienced users of chain saws should not fell trees Do not attempt any task that you feel unsure of Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 21
54. troke recommend the use of special oil chain oil with good engines Mixture 1 50 2 adhesion characteristics e Never use two stroke oil intended for water cooled outboard engines sometimes referred to as outboard oil e Never use oil intended for four stroke engines Gasoline litre Two stroke oil litre 2 50 rs wo 0200 e In countries where no special chain oil is available EP90 transmission oil can be used e Never use waste oil This results in damage to the oil SUS fl oz pump the bar and the chain to 2 1 2 e Itis important to use oil of the right grade suitable 2 1 2 6 1 2 viscosity range to suit the air temperature 5S 12 7 8 e In temperatures below 0 C 32 F some oils become too viscous This can overload the oil pump and result in damage to the oil pump components e Contact your service agent when choosing chain oil English 25 FUEL HANDLING WARNING Taking the following precautions will lessen the risk of fire Do not smoke or place hot objects near fuel Always shut off the engine before refuelling When refuelling open the fuel cap slowly so that any excess pressure is released gently Tighten the fuel cap carefully after refuelling Always move the machine away from the refuelling area before starting Clean the area around the fuel cap Clean the fuel and chain oil tanks regularly The fuel filter must be replaced at least once a year Contamination in the tanks ca
55. ugh the wood and produces long thick cuttings e The cutting part of the chain is called the cutting link and this consists of a cutting tooth A and the raker lip B The cutting depth is determined by the difference in height between the two A ty log When you sharpen a cuiting tooth there are five important factors to remember 1 Filing angle 2 Cutting angle 3 File position 4 Round file diameter It is very difficult to sharpen a chain correctly without the right equipment We recommend that you use our file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain See the Technical data section for information about sharpening your chain WARNING The following faults will increase the risk of kickback considerably Z7 File angle too large Cutting angle too small File diameter too small To sharpen cutting teeth you will need a round file and a file gauge See the Technical data section for information on the size of file and gauge that are recommended for the chain fitted to your chain saw e Check that the chain is correctly tensioned A slack chain will move sideways making it more difficult to sharpen correctly e Always file cutting teeth from the inside face Reduce the pressure on the return stroke File all the teeth on one side first then turn the chain saw over and file the teeth on the other side f ff
56. uses malfunction Make sure the fuel is well mixed by shaking the container before refuelling The capacities of the chain oil tank and fuel tank are carefully matched You should therefore always fill the chain oil tank and fuel tank at the same time 26 English STARTING AND STOPPING Starting and stopping WARNING Note the following before starting Never start a chain saw unless the bar chain and all covers are fitted correctly Otherwise the clutch can come loose and cause personal injuries Always move the machine away from the refuelling area before starting Place the machine on firm ground Make sure you have a secure footing and that the chain cannot touch anything Keep people and animals well away from the working area Cold engine Starting The chain brake should be activated when starting the chain saw Activate the chain brake by pushing the front hand guard forwards Ignition Slide the ignition switch to the left Choke Set the choke control in the choke position Start throttle Press the throttle lock 1 Open throttle fully 2 Press in button 3 WUUUUUUU If the machine is fitted with a decompression valve A Press the valve to reduce the pressure in the cylinder and make starting easier You should always use the decompression valve when starting the machine Once the machine has started the valve will automatically return to its original setting Warm engine Use
57. y adjusted it will oe cause increased wear or damage to the bar drive sprocket General working instructions ccccceeeesseeeeeeeeeeeeees 17 and chain WHAT IS WHAT What is what on the Chain saw ccccecsesseeeeeeeeeeeeees 23 Maintenance replacement or repair of the emission control devices and system may be performed by any nonroad ASSEMBLY engine repair establishment or individual Fitting the bar And chain ccccccsseeeeeeeeeeeeeeeeeeeeeeeeees 24 FUEL HANDLING WARNING Under no circumstances may the FG ET E E E E E E E E 25 design of the machine be modified without STARTING AND STOPPING the permission of the manufacturer Always Starting and stopping 97 use genuine accessories Non authorized EEN SEAE EE E TT modifas and ora ressor cS can esuli MAINTENANCE in serious personal injury or the death of the CarDUrGIOT srcsaesapantecdcaunacsianseraenunietcuastutegtank mmarated 29 operator or others Your warranty may not SEALE E E E A 30 cover damage or liability caused by the use Air filter 31 of non authorized accessories or Se sagas etiaceienic tert otio ce patente aie teaele A a a FENG Spark NIG cetesesccnte tasted ecaceetarnte ceteq cee RETR AAEE 31 MONIGI lt seeechaiecsc ans teanetmenaceceansaecsesoendae EEEa 32 Needle bearing lubrication ccccccceeeeseeeeeeeeeeeeeees 32 WARNING A chain aah ae dangerous tool Adiust re 30 if used carelessly or incorrectly and can Jus men O e Ol pump Pe ee cau
Download Pdf Manuals
Related Search