Husqvarna 272XP Operator'S Manual Download Page 41

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Summary of Contents for 272XP

Page 1: ...E E E En n n ng g g gl l l li i i is s s sh h h h 61 272 XP 272 XPG Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...on the label Chain brake activated right Chain brake not activated left Refuelling Chain oil fill Choke Other symbols decals on the machine refer to special certification requirements for certain markets Symbols in the operator s 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 c...

Page 3: ...ing 18 Fuel safety 18 STARTING AND STOPPING Starting and stopping 19 WORKING TECHNIQUES Before use 21 General working instructions 21 How to avoid kickback 28 MAINTENANCE General 30 Carburettor adjustment 30 Checking maintaining and servicing chain saw safety equipment 31 Muffler 33 Starter housing 34 Air filter 35 Spark plug 35 Lubricating the bar tip sprocket 36 Needle bearing lubrication 36 Adj...

Page 4: ...tion industry Husqvarna s aim is also to be at the front edge for ergonomics usability security and environmental protection That is the reason why we have developed many different features to add to our products within these areas We are convinced that you will appreciate with great satisfaction the quality and performance of our product for a very long time to come The purchase of one of our pro...

Page 5: ...p switch 11 Fuel tank 12 Muffler 13 Bar tip sprocket 14 Saw chain 15 Guide bar 16 Spiked bumper 17 Chain catcher 18 Clutch cover 19 Right hand guard 20 Throttle trigger 21 Throttle trigger lockout 22 Decompression valve 272XP 23 Combination spanner 24 Chain tensioning screw 25 Operator s manual 26 Guide bar cover 27 Start throttle lock 61 28 Switch for heated handle 272XPG 29 Information and warni...

Page 6: ... a health risk WARNING This machine produces an electromagnetic field during operation This field may under some circumstances interfere with active or passive medical implants To reduce the risk of serious or fatal injury we recommend persons with medical implants to consult their physician and the medical implant manufacturer before operating this machine IMPORTANT This chain saw for forest serv...

Page 7: ...achine The life span of the machine can be reduced and the risk of accidents can increase if machine maintenance is not carried out correctly and if service and or repairs are not carried out professionally If you need further information please contact your nearest service workshop Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain if...

Page 8: ...ard 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 depends on the force of the kickback and the position of the chain saw in relation...

Page 9: ...n 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 designed to prevent accidental operation of the throttle control When you press the lock A i e when ...

Page 10: ...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 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 WARNING Overexposure to vibration can lead to circulatory damage or nerve damage in ...

Page 11: ...ecommend 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 the bar the chain pitch and the number of teeth on the bar tip sprocket Bar groove width inches mm T...

Page 12: ... 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 cutting teeth To sharpen cutting teeth you will need a round file and a file gauge See instructions under the heading Technical ...

Page 13: ...e setting is correct when you no longer feel resistance as you draw the file along the depth gauge tool Tensioning the chain 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 Tensio...

Page 14: ...ded cutting equipment a bar that is too long will use more chain oil Checking chain lubrication Check the chain lubrication each time you refuel See instructions under the heading Lubricating the bar tip sprocket 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...

Page 15: ...egularly Whether there are burrs on the edges of the bar Remove these with a file if necessary Whether the groove in the bar has become badly worn Replace the bar if necessary Whether the tip of the bar is uneven or badly worn If a hollow forms on the underside of the bar tip this is due to running with a slack chain To prolong the life of the bar you should turn it over daily WARNING Most chain s...

Page 16: ... 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 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 ...

Page 17: ...troke oil For best 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 A poor oil quality and or too high oil fuel ratio may jeopardise function and decrease the life tim...

Page 18: ...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 petrol station Ensure the machine is cleaned and that a complete service is carried out before long term storage The guide bar cover must always be fitted to the cutting attachment when the machine is being transported or...

Page 19: ...eturn to its original setting Warm engine Use 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 ...

Page 20: ...tached to the chain saw the clutch can come loose and cause serious injury The chain brake should be activated when starting Se instructions under the heading Start and stop Do not drop start This method is very 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...

Page 21: ... avoid cutting bushes i e cutting many small branches at the 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 tr...

Page 22: ... This grip minimises the effect of kickback and lets you keep the chain saw under control Do not let go of the handles 3 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...

Page 23: ...nations that are recommended by us See instructions under the headings Cutting equipment and Technical data Basic cutting technique General Always use full throttle when cutting 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 Cutting from above Cutti...

Page 24: ...e while working 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 ...

Page 25: ...ou 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 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 The main point to avoid is letting t...

Page 26: ...e 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 the bottom direc...

Page 27: ...e diameter of the tree so that you can make the felling cut and directional cuts with single cutting strokes See instructions under the heading Technical data section to find out which lengths of bar are recommended for your saw 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 com...

Page 28: ...es 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 bar to jump off an object when the upper quadrant of the tip of the bar known as the kickback zone touches an object Kickback al...

Page 29: ... 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 nose of the guide bar Be extremely cautious of limbs under tension They...

Page 30: ...e first 10 hours CAUTION If the chain rotates while idling theT screw must be turned anti clockwise until the chain stops Recommended max speed rpm 61 12 000 272XP 13 500 Fine adjustment When the machine has been run in the carburettor should be finely adjusted The fine adjustment should be carried out by a qualified person First adjust the L jet then the idling screw T and then the H jet Changing...

Page 31: ...ate 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 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 ...

Page 32: ... 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 Throttle trigger lockout Make sure the throttle control is locked at the idle setting when the throttle lockout is released Press the throttle lockout and make sure it returns to its original position w...

Page 33: ...and handle unit Stop switch Start the engine and make sure the engine stops when you move the stop switch to the stop setting Muffler Never use a machine that has a faulty muffler Regularly check that the muffler is securely attached to the machine 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 T...

Page 34: ...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 Hook the starter ...

Page 35: ...tightly against the filter holder Clean the filter by brushing or shaking it 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 A HUSQVARNA chain saw can be equipped with di...

Page 36: ...h cover centrifugal clutch and the clutch drum Using a screwdriver adjust the oil flow rate by turning the adjuster screw one way or the other The projection on the screw should point towards the chosen setting The diagram shows the setting for flow rate 2 Recommended settings Cooling system To keep the working temperature as low as possible the machine is equipped with a cooling system The coolin...

Page 37: ...der If the chain saw is to be used in cold weather or powder snow conditions a special cover can be fitted to the starter unit This restricts the flow of cooling air and prevents large amounts of snow from being sucked in Heated handles 272XPG On models with the model code XPG both the front handle bar and the rear handle are equipped with electrical heating coils These are supplied with electrici...

Page 38: ...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 carburettor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check the fuel filter and the fuel hose Replace if necessary Check the saw chain with regard to visible cracks ...

Page 39: ... 2 9 8300 3 6 9300 Ignition system Spark plug Champion RCJ 7Y Champion RCJ 7Y Electrode gap mm 0 5 0 5 Fuel and lubrication system Fuel tank capacity litre cm3 0 75 750 0 75 750 Oil pump capacity at 6 000 rpm ml min 3 6 9 12 3 6 9 12 Oil tank capacity litre cm3 0 45 450 0 45 450 Type of oil pump Automatic Automatic Weight Chain saw without bar or chain empty tanks kg 6 1 6 3 XPG 6 5 Noise emission...

Page 40: ... EN ISO 11681 1 2011 Notified body 0404 SMP Svensk Maskinprovning AB Box 7035 SE 750 07 Uppsala Sweden has carried out EC type examination in accordance with the machinery directive s 2006 42 EC article 12 point 3b The certificates for EC type examination in accordance with annex IX have the numbers 0404 10 2214 61 0404 10 2215 272XP XPG In addition SMP Svensk Maskinprovning AB Box 7035 SE 750 07 ...

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Page 44: ...1153157 26 z U h 6Z z U h 6Z 2015 01 26 Original instructions ...

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