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Jonsered 50C - page 1
Operator’ s manual (EP A II) Please read the operator’ s manual carefully and make sure y ou understand the instructions before using the machine . ...
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Jonsered 50C - page 2
2 – English KEY T O SYMBOLS Ke y to symbols W ARNING! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. Please read the operator’ s manual carefully and make sure y ou understand the instructions before using the machine . Alwa ys wear : • Approv ed protective helmet • Ap ...
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Jonsered 50C - page 3
English – 3 CONTENTS Contents Bef ore using a new c hain saw • Please read the operator’ s manual carefully and mak e sure you understand the instructions bef ore using the machine. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly . • Refuel, star t the chain saw and chec k ...
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Jonsered 50C - page 4
4 – English CONTENTS Y ou will find the f ollowing labels on your machine: EP A II The Emissions Compliance P eriod referred to on the Emission Compliance label indicates the number of operating hours f or which the engine has been shown to meet F ederal emissions requirements. Categor y C = 50 hours, B = 125 hours, and A = 300 hours . Jonsered ...
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Jonsered 50C - page 5
English – 5 SAFETY INSTR UCTIONS P ersonal pr otective equipment • Protective helmet • Hearing protection • Protective goggles or a visor • Glov es with saw protection • Protective trousers with sa w protection • Boots with saw protection, steel toe-cap and non-slip sole Generally clothes should be close-fitting without restricting y ...
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Jonsered 50C - page 6
6 – English SAFETY INSTR UCTIONS Chain brake and front hand guar d Y our chain sa w is equipped with a chain brake that is designed to stop the chain immediately if you get a kic kback. The chain brak e reduces the risk of accidents, but only y ou can pre vent them. T ake care when using y our saw and make sure the kic kback zone of the bar ne ve ...
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Jonsered 50C - page 7
English – 7 SAFETY INSTR UCTIONS • During felling y our left hand grasps the front handle in such a wa y that it cannot activate the chain brak e. In this position, i.e. when your left hand is in such a position that it cannot aff ect the mov ement of the front hand guard, the chain brak e can only be activated b y the iner tia of the counterwe ...
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Jonsered 50C - page 8
8 – English SAFETY INSTR UCTIONS Muffler The muffler is designed to k eep noise le vels to a minim um and to direct e xhaust fumes aw ay from the user . In areas with a hot, dr y climate there is a high risk of fires. These areas are sometimes controlled by legislation and requirements that among other things the muffler must be equipped with ...
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Jonsered 50C - page 9
English – 9 SAFETY INSTR UCTIONS Grasp the chain sa w firmly , wrapping your fingers and thumbs around the handles. Apply full throttle and activate the chain br ake by tilting y our left wrist forw ard onto the front hand guard. Do not let go of the front handle. The chain should stop immediately . Throttle loc k • Make sure the throttle con ...
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Jonsered 50C - page 10
10 – English SAFETY INSTR UCTIONS Muffler Ne ver use a machine that has a f aulty muffler . Regularly check that the muffler is securely attached to the machine. If the muffler on y our machine is fitted with a spark arrestor mesh this must be cleaned regularly . A block ed mesh will cause the engine to ov erheat and may lead to serious dama ...
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Jonsered 50C - page 11
English – 11 SAFETY INSTR UCTIONS Chain A chain is made up of a number of links, which are a vailab le in standard and low-kic kback versions . Combining these links in diff erent wa ys gives diff erent degrees of kic kback reduction. In ter ms of kickbac k reduction alone, f our different types of link are a vailable . Some terms that describe t ...
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Jonsered 50C - page 12
12 – English SAFETY INSTR UCTIONS • A shar p chain eats its wa y through the wood and produces long, thick cuttings . • The cutting par t of the chain is called the cutting link and this consists of a cutting tooth (A) and the rak er lip (B). The cutting depth is determined by the difference in height between the two . When you sharpen a cutt ...
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Jonsered 50C - page 13
English – 13 SAFETY INSTR UCTIONS See the T echnical data section to find the raker clear ance f or your particular chain. • On a low-kic kback cutting link the front edge of the raker lip is rounded. It is very impor tant that you maintain this radius or be vel when you adjust the r aker clearance. • W e recommend that you use our r aker ga ...
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Jonsered 50C - page 14
14 – English SAFETY INSTR UCTIONS Lubricating cutting equipment Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather . As a chain saw man uf acturer we ha ve de veloped an optimal chain oil which has a vegetab le oil base. We reco ...
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Jonsered 50C - page 15
English – 15 SAFETY INSTR UCTIONS Checking wear on cutting equipment Check the chain daily f or : • Visible cr acks in riv ets and links. • Whether the chain is stiff . • Whether rivets and links are badly worn. W e recommend you compare the e xisting chain with a new chain to decide how badly the e xisting chain is wor n. When the length o ...
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Jonsered 50C - page 16
16 – English SAFETY INSTR UCTIONS Kickbac k always occurs in the cutting plane of the bar . Normally the chain saw and bar are thrown bac kwards and upwards to wards the user . Howe ver , the chain saw ma y move in a diff erent direction depending on the wa y it was being used when the kickbac k zone of the bar touched the object. Kickbac k only ...
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Jonsered 50C - page 17
English – 17 SAFETY INSTR UCTIONS 8 F ollow the instructions on shar pening and maintaining your bar and chain. When you replace the bar and chain use only combinations that are recommended by us . See instructions under the headings Cutting equipment and T echnical data. General safety precautions • Chain saws are designed solely f or cutting ...
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Jonsered 50C - page 18
18 – English SAFETY INSTR UCTIONS • Place the chain saw on the g round and hold the rear handle down with y our r ight foot. Grasp the front handle firmly using your left hand. Make sure the chain sa w is steady and the chain is not touching the ground or other objects. Then grasp the star ter handle with your right hand and pull the star ter ...
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Jonsered 50C - page 19
English – 19 SAFETY INSTR UCTIONS • Make sure y ou can move and stand saf ely . Check the area around you f or possible obstacles (roots, roc ks, branches, ditches, etc.) in case y ou have to mo ve suddenly . T ake great care when working on sloping ground. • T ake the utmost care when cutting through br anches or logs that are in tension. A ...
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Jonsered 50C - page 20
20 – English SAFETY INSTR UCTIONS In most cases you can a void these problems b y cutting in two stages; from the top and from the bottom. Y ou need to suppor t the object so that it will not trap the chain or split during cutting. The f ollowing instructions describe how to handle the commonest situations you are lik ely to encounter when using ...
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Jonsered 50C - page 21
English – 21 SAFETY INSTR UCTIONS T ree felling technique Safe distance The saf e distance between a tree that is to be f elled and any one else wor king nearby is at least 21/2 tree lengths . Make sure that no-one else is in this ”risk zone” bef ore or during felling. Felling direction The aim is to f ell the tree in a position where you can ...
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Jonsered 50C - page 22
22 – English SAFETY INSTR UCTIONS The 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 f elling direction. Felling cut The f elling cut is made from the opposite side of the tree and it must be perf ectly hor izontal. Stand on the left side of the ...
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Jonsered 50C - page 23
English – 23 SAFETY INSTR UCTIONS Cutting the trunk into logs See instructions under the heading Basic cutting technique. Freeing a tree that has fallen badly Freeing a ” trapped tree ” It is very dangerous to remov e a trapped tree and there is high accident risk. The saf est method is to use a winch. • T ractor-mounted • P or table Cutt ...
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Jonsered 50C - page 24
24 – English WHA T IS WHA T? What is what on the chain sa w? JONSERED SERVICE Jonsered 2163 TURBO Jonsered Huskvarna, SWEDEN XXXX XXXXXXX 1 Cylinder cov er 2 F ront handle 3 F ront hand guard 4 Star ter 5 Chain oil tank 6 Star ter handle 7 Adjuster screws , carburettor 8 Choke control/Start throttle lock 9 Rear handle 10 Stop switch (Ignition on/ ...
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Jonsered 50C - page 25
English – 25 ASSEMBL Y Fitting the bar and chain Check that the chain br ake is in disengaged position b y moving the front hand guard to wards the front handle . Remov e the bar nuts and remov e the clutch cov er (chain brak e). T ake off the transportation r ing (A). Fit the bar ov er the bar bolts. Place the bar in its rear most position. Plac ...
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Jonsered 50C - page 26
26 – English FUEL HANDLING Fuel CA UTION! The machine is equipped with a two-stroke engine and must alwa ys been run using a mixture of gasoline and two-strok e engine oil. It is impor tant to accurately measure the amount of oil to be mix ed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, ev en small inaccuraci ...
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Jonsered 50C - page 27
English – 27 FUEL HANDLING Fuelling Clean the area around the fuel cap . Clean the fuel and chain oil tanks regularly . The fuel fi lter must be replaced at least once a year . Contamination in the tanks causes malfunction. Make sure the fuel is w ell mix ed by shaking the container bef ore refuelling. The capacities of the chain oil tank and fu ...
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Jonsered 50C - page 28
28 – English ST AR TING AND ST OPPING Star ting and stopping Cold engine Starting: The chain brake should be activ ated when star ting the chain saw . Activate the chain brak e by pushing the front hand guard f orwards . Ignition: Slide the ignition s witch to the left. Choke: Set the choke control in the chok e position. Start throttle: The corr ...
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Jonsered 50C - page 29
English – 29 ST AR TING AND ST OPPING Pull the front hand guard tow ards the front handle. The chain brak e is now disengaged. Y our saw is ready f or use. Stopping Stop the engine by s witching off the ignition. ...
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Jonsered 50C - page 30
30 – English MAINTENANCE Carb urettor Y our Jonsered product has been designed and man uf actured to speci fi cations that reduce harmful exhaust fumes. Function, Basic settings, Fine adjustment Function • The carburettor go verns the engine ’ s speed via the throttle control. Air and fuel are mix ed in the carburettor . The air/fuel mixture ...
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Jonsered 50C - page 31
English – 31 MAINTENANCE CA UTION! There is an integrated speed gov er nor in the ignition system that limits the maximum speed to 13600 rpm. The maximum speed will not e xceed 13600 r pm when the high speed jet is adjusted (screw ed in). When the speed gov er nor is activated, y ou will get the same sound experience as when the chain saw 4-cycle ...
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Jonsered 50C - page 32
32 – English MAINTENANCE Fitting the starter • To fi t the star ter , fi rst pull out the star ter cord and place the star ter in position against the crankcase. Then slowly release the star ter cord so that the pulley engages with the pawls . • Fit and tighten the screws that hold the starter . Air fi lter The air fi lter must be regular ...
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Jonsered 50C - page 33
English – 33 MAINTENANCE Needle bearing lubrication The clutch drum is fi tted with one of the follo wing drive sprock ets: • A Spur sprock et (the chain sprocket is w elded on the drum) • B Rim sprock et (replaceable) Both versions ha ve a needle bearing on the drive shaft, which has to be greased regularly (once a week). CA UTION! Use only ...
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Jonsered 50C - page 34
34 – English MAINTENANCE Heated handles (CS 2171W) On models with the model code W , both the front handle bar and the rear handle are equipped with electrical heating coils. These are supplied with electricity from a generator built into the chain saw . When the red mark on the switch is visib le, the heating is on. Electrical carb urettor heati ...
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Jonsered 50C - page 35
English – 35 MAINTENANCE Below y ou will fi nd some g eneral maintenance instructions. Daily maintenance 1 Check the throttle trigger f or smooth operation. If any binding occurs or if engine f ails to return to idle, the machine should be taken to y our dealer , bef ore it is used again. Also , be sure that the tr igger cannot be pulled until t ...
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Jonsered 50C - page 36
36 – English TECHNICAL D A T A T echnical data CS 2165 CS 2171/WH Engine Cylinder volume , cu.in/cm 3 3,97/65,1 4,31/70,7 Cylinder bore, inch/mm 1,89/48 1,97/50 Stroke , inch/mm 1,42/36 1,42/36 Idle speed, r pm 2700 2700 P ower , kW/ r pm 3,4/9000 3,9/9600 Ignition system Manuf acture SEM SEM T ype of ignition system CD CD Spark plug NGK BPMR 7A/ ...
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Jonsered 50C - page 37
English – 37 TECHNICAL D A T A Recommended original and replacement bar and chain combinations These Husqvarna chain saw models are in the ANSI category of saws abov e 3,8 cu. in. and are not required to comply with low kickbac k performance requirements. Howe ver , for these models we recommend the f ollowing cutting equipment. Note: For the cha ...
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Jonsered 50C - page 38
38 – English FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT ´®z*x{o¶5~¨ ´®z*x{o¶5~¨ Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The EP A (The US Environmental Protection Agency), Environment Canada and Jonsered are pleased to e xplain the emissions control system warranty on y our 2001 and later small nonroad engine. In U.S . and Canada, new ...
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Jonsered 50C - page 39
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Jonsered 50C - page 40
´®z*x{o¶5~¨ 200 4 - 01 - 26 ´®z*x{o¶5~¨ 1088917-95 ...
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