Husqvarna 336 339XP, Operator'S Manual

Page 1: ...Operator s manual Please read these instructions carefully and make sure you understand them before using the machine English 336 339XP ...

Page 2: ...r s manual Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance CAUTION Chain saws can be dangerous Careless or incorrect use can result in serious or fatal injury to the operator or others Please read the instructions carefully and make sure you understand them before using the saw Always wear approved protective gloves Regular cleanin...

Page 3: ...ge 14 IMPORTANT If the carburettor mixture is too lean it greatly increases the risk of engine failure Poor maintenance of the air filter will cause carbon build up on the spark plug and lead to difficult starting If the chain is badly adjusted it will cause increased wear or damage to the bar drive sprocket and chain A chain saw is a dangerous tool if used carelessly or incorrectly and can cause ...

Page 4: ...IVE EQUIPMENT MOST CHAIN SAW ACCIDENTS HAPPEN WHEN THE CHAIN TOUCHES THE OPERA TOR 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 PROTECTIVE HELMET HEARING PROTECTION PROTECTIV...

Page 5: ...Band C around the engine drive system D Clutch Drum SAFETY INSTRUCTIONS A B B B D C 2 The front hand guard is not designed solely to activate the chain brake Another important safety feature is that it prevents the chain from hitting your left hand if you lose your grip on the front handle 3a Starting The chain brake must be engaged when the chain saw is started b You can also use the chain brake ...

Page 6: ... but there are certain factors to remember see point 6 above 2 Throttle lock The throttle lock is designed to prevent accidental opera tion of the throttle control When you press the lock A i e when you grasp the handle it releases the throttle trigger B When you release the handle the throttle trigger and the throttle lock both move back to their original positions This movement is controlled by ...

Page 7: ...ience symptoms of overexposure to vibration These symptoms include numbness loss of feeling tingling pricking pain loss of strength changes in skin colour or condition These symptoms normally appear in the fingers hands or wrists The muffler gets very hot in use and remains so for a short time afterwards DO NOT TOUCH THE MUFFLER IF IT IS HOT 6 Stop switch Use the stop switch to switch off the engi...

Page 8: ...ent SPECIAL TRAINING IS REQUIRED to service and repair chain saws This is especially true of chain saw safety equipment If your chain saw fails any of the checks described below take it to your SERVICE AGENT When you buy any of our products we guarantee the availability of professional repairs and service If the retailer who sells your saw is not a SERVICING DEALER ask him for the address of your ...

Page 9: ...1 Make sure the throttle control is locked at the idle setting when you release the throttle lock 2 Press the throttle lock and make sure it returns to its original position when you release it 3 Check that the throttle control and throttle lock move freely and that the return springs work properly 4 Start the saw and apply full throttle Release the throttle control and check that the chain stops ...

Page 10: ...in order to Reduce the risk of kickback Reduce the risk of the chain breaking or jumping Obtain maximum cutting performance Extend the life of cutting equipment The 5 basic rules 1 Only use cutting equipment recommended by us See the Technical data section 2 Keep the chain cutting teeth properly sharpened Follow our instructions and use the recommended file gauge A damaged or badly sharpened chain...

Page 11: ...EL OF KICKBACK REDUCTION The level of kickback reduction offered by a chain is indicated by its model number See the Technical data section to find the model numbers of chains that are recommended for use with your saw 1 Cutting equipment designed to minimise kickback Faulty cutting equipment or the wrong combination of bar and chain increases the risk of kickback Use only the bar and chain combin...

Page 12: ...cal data section for information about sharpening your saw chain It is very difficult to sharpen a chain correctly without the right equipment We recommend you use a file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain The following faults will increase the risk of kickback considerably FILE ANGLE TOO LARGE CUTTING ANGLE TOO SMALL FILE DIAMETE...

Page 13: ...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 and a RAKER GAUGE Place the gauge over the raker lip Place the file over the part of the lip that protrudes through the gauge and file off the excess...

Page 14: ...hat the saw 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 You should also use the recommended cut...

Page 15: ...y If the chain lubrication system is still not working after carrying out the above measures you should contact your service agent D 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 SAFETY INSTRUCTIONS E Checking wear on cutting equipment Saw chain Check the saw chain daily for Visible cracks in rivets...

Page 16: ...tructions CHECK THAT ALL SAFETY FUNCTIONS ARE WORKING see section on General working instructions and General safety precautions SAFETY INSTRUCTIONS HOW TOAVOID KICKBACK Kickback can happen very suddenly and violently kicking the 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 ...

Page 17: ...ctly The wrong combination of bar and chain can increase the risk of kickback 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 2 Always hold the saw firmly with your right hand on the rear handle and your ...

Page 18: ...ld 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 Then grasp the starter handle with your right hand and pull the starter cord Never twist the starter cord around your hand 6 STARTING 3 Always wear suitable protective clothing See the section on Personal protective equipment 4 N...

Page 19: ...often brings added risks such as icy ground unpredictable felling direction etc 3 Take great care when removing small branches and 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 5 Take the utmost care when cutting through branches or logs that are in tension A log or branch that is in te...

Page 20: ...prepared in case the chain snatches A If it is possible to turn the log you should stop cutting about 2 3 of the way through B Turn the log and finish the cut from the opposite side The following instructions describe how to handle most types of situation that you will be faced with when using a chain saw If the chain jams in the cut STOP THE ENGINE Don t try to pull the saw free If you do you may...

Page 21: ...elling B Felling direction The aim is to fell the tree in the best possible position for subsequent limbing and cross cutting You want it to fall on ground where you can move about safely The main point to avoid is letting the tree fall onto another tree It can be both difficult and dangerous to remove a tree in such a position see point 4 in this section Once you have decided which way you want t...

Page 22: ...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 with the bottom edge of the bar Make the FELLING CUT about 3 5 cm 1 5 2 inches above the flat section of the ...

Page 23: ...weight of the saw rest on the trunk Keep the tree between you and the saw as you move along the trunk F Cutting the trunk into logs See chapter General working instructions point 2 Basic cutting technique 4 Freeing a tree that has fallen badly high accident risk A Freeing a Trapped tree The safest method is to use a winch A Tractor mounted B Portable B Cutting trees and branches that are in tensio...

Page 24: ... plug cover 18 Chain catcher Catches chain if it jumps or breaks 19 Clutch cover with integrated chain brake 20 Right hand guard Protects the right hand if the chain snaps or jumps off 21 Throttle control 22 Throttle lock Prevents accidental operation of throttle control 23 Screwdriver 24 Combination spanner 25 Chain tensioning screw 26 Operator s manual 27 Bar guard 28 Adjuster screw oil pump 29 ...

Page 25: ...t the chain is in the groove on the bar Tighten the bar nuts finger tight Tension the chain by using the combination wrench Turn the chain adjuster screw clockwise The chain should be tensioned until it fits snugly on the underside of the bar Fit the bar over the bar bolts Place the bar in its rearmost position Place the chain over the drive sprocket and in the groove on the bar Begin on the top s...

Page 26: ... saws Mixing ratio 1 50 2 If HUSQVARNA two stroke oil is not available you may use another two stroke oil of good quality that is intended for air cooled engines Contact your dealer when selecting an oil Mixing ratio 1 33 3 1 25 4 Never use two stroke oil intended for water cooled outboard motors so called outboard oil Never use oil intended for four stroke engines 5 10 15 20 2 1 50 0 10 0 20 0 30...

Page 27: ... transmission oil can be used Never use waste oil This results in damage to the oil pump the bar and the chain It is important to use oil of the right viscosity according to the air temperature In temperatures below 0o C 32o F some oils become too viscous This can overload the oil pump and result in damage to the oil pump components Contact your servicing dealer when choosing chain oil Clean aroun...

Page 28: ...ch clutch drum and brake band Slide the control to its start throttle position when the engine fires and make repeated attempts until the engine starts When the engine starts quickly apply full throttle to automatically disengage fast idle Disengage the chain brake by pulling the front hand guard backwards CAUTION Do not release the starter handle from fully pulled out position as this can cause d...

Page 29: ...e any adjustments are made the air filter should be clean and the cylinder cowling fitted Adjusting the carburettor while a dirty air filter is in use will result in a leaner mixture when the filter is finally cleaned This can give rise to serious engine damage Carefully turn the L and H needles to the mid point between fully in and fully out Do not attempt to adjust the needles past their stops a...

Page 30: ...op out and cause injuries Always be careful when changing the recoil spring or the starter cord Always wear safety goggles for eye protection Tensioning the recoil spring Lift the starter cord up in the notch on the starter pulley and turn the starter pulley 2 turns clockwise NOTE Check that the starter pulley can be turned at least half a turn when the starter cord is entirely pulled out MAINTENA...

Page 31: ...f the filter is obtained by washing it in water and soap MAINTENANCE An air filter which is used for some time cannot be cleaned completely Therefore it must be replaced by a new one with regular intervals IMPORTANT A damaged air filter must always be replaced Spark plug The spark plug condition is influenced by An incorrect carburettor setting Wrong fuel mixture too much oil in the gasoline A dir...

Page 32: ...ar and chain receive proper lubrication 6 Sharpen the chain and check its tension and condition Check the drive sprocket for wear Replace if necessary 7 Check the starter and starter cord for wear or damage Clean the air intake slots on the starter housing 8 Check for any loose nuts and screws and retighten if necessary 9 Test the stop switch to be sure it shuts off the engine Cooling system To ob...

Page 33: ...er 7 Clean or change the screen in the muffler 8 Clean the carburettor body and air box 9 Retighten all bolts on the muffler Monthly maintenance 1 Check the brake band on the chain brake for wear 2 Check the clutch centre clutch drum and clutch spring for wear 3 Clean the outside of the carburettor 4 Check the fuel filter Change if necessary 5 Flush the inside off the fuel tank with gasoline 6 Flu...

Page 34: ... sec Pitch inch mm Thickness of drive link inch mm Number of teeth on drive sprocket TECHNICAL DATA 336 35 2 38 31 2 800 13 800 1 5 9 600 1 6 9 600 SEM CD NGK BPMR 7A Champion RCJ 7Y 0 5 Zama C1Q EL20 0 36 3 7 0 16 Automatic 3 8 111 112 99 101 4 3 5 1 13 33 13 16 33 40 12 15 31 38 18 5 0 325 8 25 0 050 1 3 7 339XP 39 40 31 2 800 13 800 1 8 9 600 1 7 9 600 SEM CD NGK BPMR 7A Champion RCJ 7Y 0 5 Zam...

Page 35: ...al number is in conformity with the requirements of the COUNCIL S DIRECTIVES of June 22 1998 relating to machinery 98 37 EC annex IIA of May 3 1989 relating to electromagnetic compatibility 89 336 EEC and applicable supplements of May 8 2000 relating to the noise emissions in the environment 2000 14 EC For information relating to noise emissions see the chapter Technical data The following standar...

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