Jonsered 2150 - Manual

English – 5 1 Chain brake and front hand guard YOUR chain saw is equipped with a chain brake that is desig-ned to stop the chain immediately if you get a kickback.The chain brake reduces the risk of accidents, but only You canprevent them. Take care when using yoursaw and make sure thekickback zone ...

6 – English 6 The way the chain brake is triggered, either manually orautomatically, depends on the force of the kickback and theposition of the chain saw in relation to the object that thekickback zone of the bar strikes. If you get a violentkickback while thekickback zone of the baris farthest awa...

English – 7 SAFETY INSTRUCTIONS The muffler gets very hot in use and remainsso for a short time afterwards. DO NOTTOUCH THE MUFFLER IF IT IS HOT! 6 Stop switch Use the stop switch to switchoff the engine. In areas with a hot, dryclimate there is a high risk offorest fires. These areas aresometimes c...

8 – English SAFETY INSTRUCTIONS 3 Checking the inertia brake release Hold the chain saw over astump or other firm object.Let go of the front handleso that the bar falls ontothe stump. When the bar hits thestump the brake shouldbe applied. 4 Checking the brake trigger Start the chain saw andplace it ...

English – 9 SAFETY INSTRUCTIONS 4 Right hand guard Check that the right handguard is not damaged andthat there are no visibledefects, such as cracks. 5 Vibration damping system Regularly check thevibration damping unitsfor cracks or deformation Make sure the vibrationdamping units aresecurely attach...

10 – English 7 Muffler Never use a chain sawthat has a faulty muffler. Regularly check that themuffler is securelyattached to the chain saw. If the muffler on your sawis fitted with a sparkarrestor mesh this mustbe cleaned regularly. Ablocked mesh will causethe engine to overheatand may lead to seri...

English – 11 SAFETY INSTRUCTIONS C Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomesworn or damaged you will need to replace it. Use only the typeof bar and chain recommended by us. See the ”Technical data” section to find out which equipment is rec...

12 – English SAFETY INSTRUCTIONS 2 Sharpening your chain and adjusting raker clearance The risk of kickback is increased with a badlysharpened chain! A General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the bar ...

English – 13 C General advice on setting raker clearance • When you sharpen the cutting teeth you reduce theRAKER CLEARANCE(cutting depth). To maintaincutting performance youmust file back the rakerteeth to the recommendedheight. See the ”Technical data” section to find the rakerclearance for your s...

14 – English 1 Undo the bar nuts thathold the clutch cover andchain brake, using thecombination spanner.Then tighten the nuts byhand as tight as you can. 2 Raise the tip of the barand stretch the chain bytightening the chaintensioning screw usingthe combination spanner.Tighten the chain until itnot ...

English – 15 C Checking chain lubrication • Check the chain lubrication each time you refuel. Aim the tip of the saw at alight coloured surface about20 cm away. After 1 minuterunning at 3/4 throttle youshould see a distinct line ofoil on the light surface. If the chain lubrication is not working: 1 ...

16 – English H Bar Check regularly: • Whether there are burrs on the edges of the bar.Remove these with a file ifnecessary. • Whether the groove in the bar has become badly worn.Replace the bar ifnecessary. • Whether the tip of the bar is uneven or badly worn. If ahollow forms on one side ofthe bar ...

English – 17 7 Take great care when youcut with the top edge ofthe bar, i.e. when cuttingfrom the underside of theobject. This is known ascutting on the pushstroke. The chain tries topush the saw backtowards the user. Unless the user resiststhis pushing force there isa risk that the saw willmove so ...

18 – English 7 FUEL SAFETY(Refuelling, fuel mixture, storage.) Fuel and fuel vapour are highly inflammable.Take care when handling fuel and chain oil.Keep away from naked flames and do notbreathe in fuel vapour. • Never try to refuel the saw while it is running. • Make sure there is plenty of ventil...

English – 19 SAFETY INSTRUCTIONS GENERAL WORKING INSTRUCTIONS This section describes basic safety rules forusing a chain saw. This information is nosubstitute for professional skills andexperience. If you get into a situation whereyou feel unsafe, stop and seek expert advice(look under FORESTRY SERV...

20 – English SAFETY INSTRUCTIONS Two factors decide whether the chain will jam or the log willsplit. The first is how the log is supported and the second iswhether it is in tension. In most cases you can avoid these problems by cutting in twostages; from the top and from the bottom of the log. You n...

English – 21 SAFETY INSTRUCTIONS 2 The log is supported at one end. There is a high riskthat it will split. A Start by cutting from below (about 1/3 of theway through). B Finish by cutting from above so that the twocuts meet. 3 The log is supported at both ends. There is a high riskthat the chain wi...

22 – English SAFETY INSTRUCTIONS FELLING CUT The felling cut is made from the opposite side of the tree and itmust be perfectly horizontal. Stand on the left side of the treeand cut with the bottom edge of the bar. Make the FELLING CUTabout 3-5 cm (1.5-2 inches)above the flat section of theDIRECTION...

English – 23 We recommend that you usea bar that is longer than thediameter of the tree, so thatyou can make the FELLINGCUT and DIRECTIONAL CUTwith single cutting stokes.(See ”Technical data” to find out which lengths of bar arerecommended for your saw). There are methods for fellingtrees with a dia...

English – 25 Mounting guide bar and chain Always wear gloves, when working with thechain, in order to protect your hands frominjury. Check that the chain brake isin disengaged position bymoving the front hand guardtowards the front handle. Take off the bar nuts andremove the clutch cover. Takeoff th...

26 – English FUEL HANDLING Fuelmix Always provide for good ventilation whenhandling fuel. ! IMPORTANT! The chain saw is equipped with a two-strokeengine and must always been run using a mixture of gasolineand two-stroke engine oil. It is important to accurately measurethe amount of oil to be mixed t...

English – 27 ! FUEL HANDLING Fuelling Taking the following precautions, will lessenthe risk of fire. • Do not smoke or place warm objects in the vicinity of the fuel. • Always shut off the engine before refuelling.• Slowly open the fuel cap, when filling fuel, so that possible overpressure is slowly...

28 – English ! Start and stop WARNING! • Never start the saw engine without the bar, chain and clutch cover (chain brake) assembled - or else theclutch can come loose and cause personal injuries. • Always move the saw away from the fueling area before starting. • Place the saw on clear ground and ma...

English – 29 MAINTENANCE Carburetor Your Jonsered product has been designed and manufactured tospecifications that reduce harmful emissions.After your unit has been run 8-10 tanks of fuel the engine hasbroken in. To ensure that your unit is at peak performance andproducing the least amount of harmfu...

30 – English Starter device WARNING! • When the recoil spring is assembled in the starter housing, it is in tensioned position and can whentreated carelessly, pop out and cause injuries. • Always be careful, when changing the recoil spring or the starter cord. Always wear safety goggles for eyeprote...

English – 31 Muffler The muffler is designed inorder to reduce the noise leveland to direct the exhaustgases away from the operator.The exhaust gases are hotand can contain sparks, whichmay cause fire if directedagainst dry and combustiblematerial. Some mufflers areequipped with a specialscreen. MAI...

32 – English MAINTENANCE Cooling system To obtain the lowest possible running temperature the saw isequipped with a cooling system. The cooling systemconsists of: 1. Air intake on the starterunit. 2. Air guide plate. 3. Fan blades on theflywheel. 4. Cooling fins on thecylinder. 5. Cylinder cowling(s...

English – 33 Below you will find some general maintenance instructions.If you have more questions, contact your servicing dealer. Weekly maintenance 1. Check that the AVelements are not soft ortorn. 2. Lubricate the clutch drumbearing. 3. File off burrs, if any, onthe sides of the bar. 4. Clean the ...

34 – English Engine Cylinder volume,cu.in/cm 3 Cylinder bore,inch/mmStroke, inch/mmIdle speed, rpmPower, kW/ rpm Ignition system ManufactureType of ignitionsystemSpark plug Electrode gap,inch/mm Fuel andlubrication system ManufacturerCarburetor typeFuel capacity, USpint/litreOil pump capacity at8500...

EMISSION CONTROL WARRANTY STATEMENT WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performedat no charge to the owner at an approved Jonsered servicingdealer. If you have any questions regarding your warrantyrights and responsibilities, you should ...