Husqvarna 346XP TrioBrake Operator'S Manual Download Page 47

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Summary of Contents for 346XP TrioBrake

Page 1: ...l l li i i is s s sh h h h 357XP XPG 357XP E tech 357XPG E tech 359 G 359 E tech 359G E tech Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...he guide bar touches an object and cause a lightning fast reverse reaction kicking the guide bar up and towards the operator May cause serious personal injury Decompression valve The valve is to reduce the pressure in the cylinder and make starting easier You should always use the decompression valve when starting the machine Ignition choke Set the choke control in the choke position This should a...

Page 3: ...htning fast reverse reaction kicking the guide bar up and towards the operator May cause serious personal injury You will find the following labels on your chain saw EPA III The Emissions Compliance Period referred to on the Emission Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal emissions requirements Category C 50 hours B 125 hours an...

Page 4: ...g 21 WORKING TECHNIQUES Before use 23 General working instructions 23 How to avoid kickback 29 MAINTENANCE General 31 Carburetor adjustment 31 Checking maintaining and servicing chain saw safety equipment 32 Muffler 34 Starter housing 34 Air filter 35 Spark plug 36 Lubricating the bar tip sprocket 36 Needle bearing lubrication 36 Adjustment of the oil pump 36 Cooling system 37 Air Injection centri...

Page 5: ...re and market high quality motor driven products for forestry and gardening as well as for building and construction industry Your purchase gives you access to professional help with repairs and service whenever this may be necessary If the retailer who sells your machine is not one of our authorized dealers ask for the address of your nearest servicing dealer It is our wish that you will be satis...

Page 6: ...r screws carburetor 10 Starter handle 11 Starter housing 12 Chain oil tank 13 Muffler 14 Chain brake and front hand guard 15 Front handle 16 Decompression valve Model 359 Automatic decompression valve Model 357XP 17 Switch for heated handle Models 357XPG 359G 18 Right hand guard 19 Product and serial number plate 20 Clutch cover 21 Oil pump adjustment screw 22 Chain tensioning screw 23 Chain catch...

Page 7: ...the machine As the machine is equipped with a spring loaded stop switch and can be started by low speed and force on the starter handle even small children under some circumstances can produce the force necessary to start the machine This can mean a risk of serious personal injury Therefore remove the spark plug cap when the machine is not under close supervision IMPORTANT This chain saw for fores...

Page 8: ...y equipment In this section the machine s safety features and their function are explained For inspection and maintenance see instructions under the heading Checking maintaining and servicing chain saw safety equipment See instructions under the heading What is what to find where these parts are located on your machine The life span of the machine can be reduced and the risk of accidents can incre...

Page 9: ...g or anyone or anything close by To release the chain brake pull the front hand guard backwards towards the front handle 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 ...

Page 10: ...rotection Second it must be activated during the kickback as described above to stop the saw chain Third the chain brake may be activated but if the bar is too close to you the brake might not have enough time to slow down and stop the chain before the chain saw hits you Only you and proper working technique can eliminate kickback and its danger Throttle trigger lockout The throttle lockout is des...

Page 11: ...auge setting Follow our instructions and use the recommended depth gauge clearance Too large a clearance increases the risk of kickback Keep the chain properly tensioned If the chain is slack it is more likely to jump off and lead to increased wear on the bar chain and drive sprocket WARNING Overexposure to vibration can lead to circulatory damage or nerve damage in people who have impaired circul...

Page 12: ...ructions under the heading Technical Data for a list of replacement bar and chain combinations we recommend Guide bar Length inches cm Number of teeth on bar tip sprocket T 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 Number of drive links The number of drive links is determined by the length of t...

Page 13: ...ember 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 instructions under the heading Technical data for information about sharpening your chain Sharpening cutt...

Page 14: ...o acheive the correct depth gauge setting and bevel for the depth gauge Place the depth gauge tool over the chain Detailed information regarding the use of the depth gauge tool will be found on the package for the depth gauge tool Use the flat file to file off the tip of the depth gauge that protrudes through the depth gauge tool The depth gauge setting is correct when you no longer feel resistanc...

Page 15: ...n lubrication system On some models the oil flow is also adjustable The saw chain oil tank and the fuel tank are designed so that the fuel runs out before the saw chain oil 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 carburetor as recommended a lean mixture may mean that the fuel lasts ...

Page 16: ...ation Both versions of sprockets 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 Checking wear on cutting equipment Check the chain daily for Visible cracks in rivets and links Whether the chain is stiff Whether rivets and links are badly worn Replace the saw chain if it exhibits any of the points abo...

Page 17: ...ed for See instructions under the headings Personal protective equipment How to avoid kickback Cutting equipment and General working instructions Avoid situations where there is a risk of kickback See instructions under the heading Machine s safety equipment Use the recommended protective equipment and check its condition See instructions under the heading General working instructions Check that a...

Page 18: ...it 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 Tension the chain by turning the chain tensioning screw clockwise using the combination spanner See instructions under the heading Tensioning the ...

Page 19: ...st results and performance use HUSQVARNA two stroke engine oil which is specially formulated for our air cooled two stroke engines Never use two stroke oil intended for water cooled engines sometimes referred to as outboard oil rated TCW Never use oil intended for four stroke engines Mixing ratio 1 50 2 for all engines Mixing Always mix the gasoline and oil in a clean container intended for fuel A...

Page 20: ...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 The guide bar cover must always be fitted to the cutting attachment when the machine is being transported or in storage in order to prevent accident contact with the sharp chain Even a non moving chain...

Page 21: ... 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 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 damag...

Page 22: ...ry dangerous because you may lose control of the saw Never start the machine indoors Exhaust fumes can be dangerous if inhaled Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment Always hold the saw with both hands The right hand should be on the rear handle and the left hand on the front handle All people whether right ...

Page 23: ...same time Small branches can be grabbed by the chain and thrown back at you causing serious injury 4 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 5 Take great care when cutting a tree that is under tension A tree that is under tension may spr...

Page 24: ...e 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 Have control over the workpiece If the pieces you intend to cut are small and light they can jam in the saw chain and be thrown towards you Even if this does not need to be a danger you may be surprised and los...

Page 25: ...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 2 Make sure the object you are cutting will not split 3 Make sure the chain ...

Page 26: ...the log stop cutting about 2 3 of the way through the log Turn the log and finish the cut from the opposite side 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 The log is supported at both ends There is a high risk that the chain will jam Start by cutting from ab...

Page 27: ...sk See instructions under the heading Freeing a tree that has fallen badly Clearing the trunk and preparing your retreat Delimb the stem up to shoulder height It is safer to work from the top down and to have the tree between you and the saw 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 ...

Page 28: ...g hinge 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...

Page 29: ...rough a tree or branch that is in tension If you must cut across tree limb make two to three cuts one inch apart one to two inches deep Continue to cut deeper until tree limb bends and tension is released Cut tree limb from outside the bend after tension has been released How to avoid kickback What is kickback The word kickback is used to describe the sudden reaction that causes the chain saw and ...

Page 30: ... 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 WARNING A majority of kickback accidents occur during limbing Do not use the kickback zone of the guide bar Be extremely cautious and avoid contacting the log other limbs or objects with the no...

Page 31: ...d running in The basic carburetor settings are adjusted during testing at the factory Avoid running at a too high speed for extended periods during the first 10 hours CAUTION If the chain rotates while idling theT screw must be turned anti clockwise until the chain stops Rec idle speed 2700 rpm Fine adjustment When the machine has been run in the carburetor should be finely adjusted The fine adjus...

Page 32: ...tion and could suffer damage to the engine Checking maintaining and servicing chain saw safety equipment 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 0 024 inch 0 6 mm thick at its thinnest point Checking the front ...

Page 33: ...s the throttle lockout and make sure it returns to its original position when you release it Check that the throttle trigger and throttle lockout move freely and that the return springs work properly 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 yo...

Page 34: ...fler 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 A muffler equipped with a catalytic converter significantly reduces the amount of hydrocarbons HC nitrogen oxides NO and aldehydes in the exhaust fumes Carbon monoxide CO which is poi...

Page 35: ...clockwise Note Check that the pulley can be turned an additional 1 2 turn when the starter cord is pulled all the way out Changing a broken recoil spring 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 Remove the cassette with the recoil spring from the starter Lubric...

Page 36: ...n 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 0 020 inch 0 5 mm The spark plug should be replaced after about a month in operation or earlier if necessary Note Always use the recommended spark plug type Use of the wrong spark plug can damage the pisto...

Page 37: ...alytic converter unit Air Injection centrifugal cleaning Centrifugal cleaning means the following All air to the carburetor passes through the starter Dirt and dust is pushed out by the cooling fan IMPORTANT In order to maintain operation of the centrifugal cleaning system it must be regularly maintained Clean the air intake to the starter the fins on the flywheel the space around the flywheel inl...

Page 38: ... coils These are fed with electrical current from an integrated generator in the chain saw When the switch is pushed downwards the heat is switched on When the switch is pushed upwards the heat is switched off Electrical carburetor heating 357 XPG 359 G On models with the designation CARBURETOR HEATING there is an electrically heated carburetor Electrically powered heating prevents ice formation i...

Page 39: ... 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 Lubricate the clutch drum bearing Clean the outside of the carburetor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check fuel hose for cracks or other damage Change if necessary Check the saw ch...

Page 40: ...1 43 0 68 1 43 0 68 Oil pump capacity at 9 000 rpm ml min 6 17 6 17 Oil tank capacity US pint litre 0 80 0 38 0 80 0 38 Type of oil pump Automatic Automatic Weight Chain saw without bar or chain empty tanks lb kg 12 1 5 5 357 XP 357 XP E tech 12 3 5 6 357 XPG 357 XPG E tech 12 1 5 5 359 359 E tech 12 3 5 6 359 G 359 G E tech Chain bar Standard bar length inch cm 15 38 15 38 Recommended bar lengths...

Page 41: ... and saw chains listed below The saw chain Husqvarna H30 is also classified as a low kickback saw chain since it met the requirements for low kickback saw chain outlined in ANSI B175 1 2000 We recommend to use only the listed combinations of bars and chains for chain saw models Husqvarna 357XP 357XPG 357XP E tech 357XPG E tech 359 359 E tech 359G and 359G E tech Other chain saw models may not meet...

Page 42: ...Forest Garden at 1 800 487 5963 WARRANTY COMMENCEMENT DATE The warranty period begins on the date small nonroad engine is delivered LENGTH OF COVERAGE Husqvarna Forest 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 REP...

Page 43: ...ipe airfilter holder and carburetor bolts 3 Airfilter and fuelfilter covered up to maintenance schedule 4 Spark Plug covered up to maintenance schedule 5 Ignition Module 6 Muffler with catalytic converter MAINTENANCE STATEMENT The owner is responsible for the performance of all required maintenance as defined in the operator s manual ...

Page 44: ...and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released Shut off the engine before setting the chain saw down Use extreme caution when cutting small size brush and saplings because slender material may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for springback so that y...

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Page 48: ...1156767 95 z Xlo 5 z Xlo 5 2014 08 29 Original instructions ...

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