Jonsered CS 2255 - Manual

English – 5 WHA T IS WHA T? What is what on the c hain saw? 1 Information and warning decal 2 Decompression valve 3 Cylinder cover 4 Air purge 5 Starter handle 6 Stop switch (Ignition on/off switch.) 7 Choke control/Start throttle lock 8 Rear handle 9 Fuel tank 10 Adjuster screws carburetor 11 Start...

6 – English GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw • Please read this manual carefully. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. • Refuel and start the chain saw. See the instructions under the headings Fuel ...

English – 7 GENERAL SAFETY PRECA UTIONS chain sa w usage if possible. Your dealer, forestry school or your library can provide information about which training materials and courses are available. Work is constantly in progress to improve the design and technology - improvements that increase your s...

8 – English GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually (by your left hand) or automatically by the inertia release mechanism. • The brake is applied when the front hand guard (B) is pushed forwards. • This movement activates a spring-loaded mechanism that tight...

English – 9 GENERAL SAFETY PRECAUTIONS so that it cannot affect the movement of the front hand guard, the chain brake can only be activated by the inertia action. Will my hand always activate the chain brake during a kickback? No. It takes a certain force to move the hand guard forward. If your hand...

10 – English GENERAL SAFETY PRECAUTIONS The machine ′ s vibration damping system reduces the transfer of vibration between the engine unit/cutting equipment and the machine ′ s handle unit. The body of the chain saw, including the cutting equipment, is insulated from the handles by vibration damping...

English – 11 GENERAL SAFETY PRECAUTIONS • Keep the 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...

12 – English GENERAL SAFETY PRECAUTIONS Sharpening your chain and adjusting depth gauge setting 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 through the wood and the chips will be very small. If th...

English – 13 GENERAL SAFETY PRECAUTIONS Adjustment of depth gauge setting • The cutting teeth should be newly sharpened before adjusting the depth gauge setting. We recommend that you adjust the depth gauge setting every third time you sharpen the cutting teeth. NOTE! This recommendation assumes tha...

14 – English GENERAL SAFETY PRECAUTIONS Filling with chain oil • All our chain saws have an automatic chain lubrication system. On some models the oil flow is also adjustable. • The saw chain oil tank and the fuel tank are designed so that the fuel runs out before the saw chain oil. However, this sa...

16 – English ASSEMBLY Fitting the bar and chain CS 2255 Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. Remove the bar nuts and remove the clutch cover (chain brake). Take off the transportation ring (A). Fit the bar over the bar bolts. P...

18 – English FUEL HANDLING Fuel Note! The machine is equipped with a two-stroke engine and must always be run using a mixture of gasoline and two-stroke 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 amounts ...

English – 19 FUEL HANDLING Fueling Clean the area around the fuel cap. Clean the fuel and chain oil tanks regularly. The fuel filter must be replaced at least once a year. Contamination in the tanks causes malfunction. Make sure the fuel is well mixed by shaking the container before refuelling. The ...

20 – English STARTING AND STOPPING Starting and stopping Cold engine Starting: The chain brake should be activated when starting the chain saw. Activate the chain brake by pushing the front hand guard forwards. Ignition; choke (A): Pull out the blue choke control to the choke position. This should a...

English – 21 STARTING AND STOPPING As the chain brake is still activated the engine must return to idling speed as soon as possible by disengaging the throttle latch in order to avoid unnecessery wear on the clutch assembly. CAUTION! Do not pull the starter cord all the way out and do not let go of ...

22 – English WORKING TECHNIQUES Before use: 1 Check that the chain brake works correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle lockout works correctly and is not damaged. 4 Check that the stop switch works correctly and is not damaged. 5...

24 – English WORKING TECHNIQUES 8 Unless the user resists this pushing force there is a risk that the chain saw will move so far backwards that only the kickback zone of the bar is in contact with the tree, which can lead to a kickback. Cutting with the bottom edge of the bar, i.e. from the top of t...

English – 25 WORKING TECHNIQUES Limbing When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. Cutting If you have a pile of logs, each log you attempt to cut should be removed from the pile, placed on a saw horse or runners and cut indivi...

26 – English WORKING TECHNIQUES Tree felling technique Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 2 1/2 tree lengths. Make sure that no-one else is in this ”risk zone” before or during felling. Felling direction The aim is to fell t...

English – 27 WORKING TECHNIQUES Felling Felling is done using three cuts. First you make the directional cuts, which consist of the top cut and the bottom cut, then you finish with the felling cut. By placing these cuts correctly you can control the felling direction very accurately. Directional cut...

28 – English WORKING TECHNIQUES We recommend that you use a bar that is longer than the 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 recommen...

English – 29 WORKING TECHNIQUES 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 always occu...

30 – English MAINTENANCE General The user must only carry out the maintenance and service work described in this manual. More extensive work must be carried out by an authorised service workshop. Carburetor adjustment Due to existing environmental and emissions legislation your chain saw is equipped...

English – 31 MAINTENANCE Correctly adjusted carburetor When the carburetor is correctly adjusted the machine accelerates without hesitation and the machine 4-cycles a little at max. speed. It is also important that the chain does not rotate at idle. If the L-jet is set too lean it may cause starting...

English – 33 MAINTENANCE 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 screen. If your machine has this type of muffler, you should clean the screen at least once a...

34 – English MAINTENANCE Tensioning the recoil spring • Hook the starter cord in the notch in the pulley and turn the starter pulley about 2 turns clockwise. Note! Check that the pulley can be turned an additional 1/2 turn when the starter cord is pulled all the way out. Changing a broken recoil spr...

English – 35 MAINTENANCE Spark plug The spark plug condition is influenced by: • Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). • A dirty air filter. These factors cause deposits on the spark plug electrodes, which may result in operating problems a...

36 – English MAINTENANCE ”Turbo Air Cleaning” centrifugal cleaning Centrifugal cleaning means the following: All air to the carburetor passes through the starter. Dirt and dust is pushed out by the cooling fan. IMPORTANT! In order to maintain operation of the centrifugal cleaning system it must be r...

English – 37 MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekly maintenance Monthly maintenance Clean the outside of the machine. On chain saws without...

38 – English TECHNICAL DATA Technical data CS 2255 Engine Cylinder displacement, cu.in/cm 3 3,38/55,5 Cylinder bore, inch/mm 1,85/47 Stroke, inch/mm 1,26/32,0 Idle speed, rpm 2700 Power, kW/hp @ rpm 2,6/3,5 @ 9000 Ignition system Manufacturer of ignition system SEM Type of ignition system CD Spark p...

English – 39 TECHNICAL DATA Recommended original and replacement bar and chain combinations Following is a list of recommended cutting equipment for the Jonsered chain saw model CS 2255. The combinations of power head, bar and chain have been tested and found to be in accordance with the kickback an...

40 – English FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (The US Environmental Protection Agency), Environment Canada and Husqvarna Forest & Garden are pleased to explain the emissions control system warranty on your 2001 and later small nonroad engin...

English – 41 AMERICAN STANDARD SAFETY PRECAUTIONS Safety precautions for chain saw users (ANSI B 175.1-2000 Annex C) Kickback safety precautions With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. Keep a good firm gri...