Jonsered 2077 Operator'S Manual Download

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Operator's manual

Please read these instructions carefully
and make sure you understand them
before using the saw.

Summary of Contents for 2077

Page 1: ...Operator s manual Please read these instructions carefully and make sure you understand them before using the saw...

Page 2: ...ff 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 g...

Page 3: ...new saw Read the instructions carefully Check cutting equipment is correctly fitted and adjusted See page 25 Refuel and start the saw Check the carburettor settings See pages 26 29 Do not use the saw...

Page 4: ...PROTECTIVE EQUIPMENT 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...

Page 5: ...and C around the engine drive system D Clutch Drum SAFETY INSTRUCTIONS 2 The front hand guard is not designed solely to activate the chain brake Another important safety feature is that it prevents th...

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 yo...

Page 7: ...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 hand...

Page 8: ...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 an...

Page 9: ...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...

Page 10: ...e 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 b...

Page 11: ...CK 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 yo...

Page 12: ...ata 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 th...

Page 13: ...harpened 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 adj...

Page 14: ...ess of whether it is warm summer or cold winter weather As a chainsaw manufacturer we have developed an optimal chain oil which with its vegetable oil base is also biodegradable We recommend the use o...

Page 15: ...each time you refuel Use the special grease gun and a good quality bearing grease SAFETY INSTRUCTIONS E Lubricating the clutch drum bearing Between the engine drive shaft and the clutch drum is a need...

Page 16: ...e section on General working instructions CHECK THAT ALL SAFETY FUNCTIONS ARE WORKING see section on General working instructions and General safety precautions SAFETY INSTRUCTIONS HOW TO AVOID KICKBA...

Page 17: ...ation 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 prepare...

Page 18: ...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 Then grasp t...

Page 19: ...ften 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...

Page 20: ...repared 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 instr...

Page 21: ...lling 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 poin...

Page 22: ...uts 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 o...

Page 23: ...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 t...

Page 24: ...h Ignition on off switch 11 Fuel tank 12 Muffler 13 Bar tip sprocket 14 Saw chain 15 Saw bar 16 Bumper 17 Chain catcher Catches chain if it jumps or breaks 18 Clutch cover 19 Right hand guard Protects...

Page 25: ...Check that the drive links of the chain fit correctly on the drive sprocket and that the chain is in the groove on the bar Tighten the bar nuts finger tight Tension the chain by using the combination...

Page 26: ...always been run using a mixture of petrol and two stroke engine oil It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained When mixing small...

Page 27: ...the saw s fuel and oil tanks run dry at the same time Fuelling Taking the following precautions will lessen the risk of fire Do not smoke or place warm objects in the vicinity of the fuel Always shut...

Page 28: ...pression valve when starting the saw Once the saw has started the valve will automatically return to its original setting Warm engine Use the same procedure as for starting cold engine but without cho...

Page 29: ...anti clockwise The carburettor is now set to H 1 and L 1 Now start the saw according to the starting instructions and run it warm for 10 minutes NOTE If the chain rotates the T screw should be turned...

Page 30: ...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...

Page 31: ...screen at least once a week This is done with a wire brush CAUTION The screen must be replaced if damaged The saw will be overheated if the screen is clogged This results in damage on the cylinder an...

Page 32: ...the air inlet of the starter and by doing that increase the engine temperature Preheat the intake air to the carburettor by removing the special plug between the cylinder and the carburettor space Cen...

Page 33: ...ord 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 Belo...

Page 34: ...ype of ignition system Spark plug Electrode gap inch mm Fuel and lubrication system Manufacturer Carburettor type Fuel capacity litre US pint Oil pump capacity at 6000 rpm ml min Oil capacity litre US...

Page 35: ...to noise emissions see the chapter Technical data The following standards have been applied EN292 2 CISPR 12 1997 EN608 Notified body 0363 Deutsche Pr fstelle fur Land und Forsttechnik Weissensteinst...

Page 36: ...108 88 34 26 xsJ 6 2002W03...

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Jonsered 2077, Operator'S Manual

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