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EP A II
Oper ator' s man ual
Please read the oper ator's manual carefully and
make sure you understand the instructions
before using the machine.
CS 2255

Summary of Contents

  • Page 1

    EP A II Oper ator’ s man ual Please read the oper ator’s manual carefully and make sure you understand the instructions before using the machine. CS 2255...

  • Page 2: Symbols On The Machine, Symbols In The Operator's Manual

    Symbols on the mac hine: W ARNING! Chain saws can be dangerous! Careless or improper use can result in serious or fatal injury to the operator or others. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. Always wear: •...

  • Page 3: Table Of Contents

    CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ... 2 Symbols in the operator’s manual: ... 2 CONTENTS Contents ... 3 INTR ODUCTION Dear customer! ... 4 WHA T IS WHAT? What is what on the chain sa w? ... 5 GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw ...

  • Page 4: Dear Customer

    Good luck on using your Jonsered machine! Jonsered has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice.

  • Page 5

    24 Oil pump adjustment screw 25 Clutch cover 26 Right hand guard 27 Throttle control 28 Chain tensioner wheel (CS 2255 with tool-less chain tensioner) 29 Knob (CS 2255 with tool-less chain tensioner) 30 Operator’s manual (EPA) 31 Combination spanner 32 Bar guard –...

  • Page 6: Bef Ore Using A New Chain Saw, Important, Always Use Common Sense

    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 Handling and Starting and Stopping.

  • Page 7: Personal Protective Equipment, Machine ' S Safety Equipment

    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 safety and efficiency.

  • Page 8

    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 tightens the brake band (C) around the engine drive system (D) (clutch drum).

  • Page 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 only lightly touches the front guard or slips over it, the force may not be enough to trigger the chain brake.

  • Page 10: Cutting Equipment

    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 units. Cutting hardwoods (most broadleaf trees) creates more vibration than cutting softwoods (most conifers).

  • Page 11

    To maintain the safety features of the cutting equipment, you should replace a worn or damaged bar or chain with a bar and chain combinations recommended by Jonsered. See instructions under the heading Technical Data for a list of replacement bar and chain combinations we recommend.

  • Page 12

    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.

  • Page 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 that the length of the cutting teeth is not reduced excessively.

  • Page 14

    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.

  • Page 15

    GENERAL SAFETY PRECAUTIONS Check regularly: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. • Whether the groove in the bar has become badly worn. Replace the bar if necessary. • Whether the tip of the bar is uneven or badly worn.

  • Page 16: Fitting The Bar And Chain

    Check the chain tension regularly. A correctly tensioned chain ensures good cutting performance and long life. CS 2255 with tool-less chain tensioner Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle.

  • Page 17

    Remove the knob and remove the clutch cover (chain brake). Take off the transportation ring.(A) Fit the bar over the bar bolts. Place the bar in its rearmost position. Place the chain over the drive sprocket locate it in the groove on the bar. Begin on the top edge of the bar. Make sure that the edges of the cutting links are facing forward on the top edge of the bar.

  • Page 18: Fuel

    When working with continuous high revs (e.g. limbing) a higher octane is recommended. Environment fuel JONSERED recommends the use of alkylate fuel or environment fuel for four-stroke engines blended with two- stroke oil as set out below. Note that carburetor adjustment may be necessary when changing the type of fuel (see instructions under the heading Carburetor).

  • Page 19: Fueling, Fuel Safety

    Fueling WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke and do not place any hot objects in the vicinity of fuel. Always stop the engine and let it cool for a few minutes before refuelling. When refuelling, open the fuel cap slowly so that any excess pressure is released gently.

  • Page 20: Star Ting And Stopping

    STARTING AND STOPPING Starting and stopping WARNING! Note the following before starting: The chain brake must be engaged when the chain saw is started to reduce the chance of contact with the moving chain during starting. Never start a chain saw unless the bar, chain and all covers are fitted correctly.

  • Page 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 the starter handle when the cord is fully extended.

  • Page 22: Before Use:, General Working Instructions

    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.

  • Page 23

    6 Before moving your chain saw switch off the engine and lock the chain using the chain brake. Carry the chain saw with the bar and chain pointing backwards. Fit a guard to the bar before transporting the chain saw or carrying it for any distance.

  • Page 24

    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.

  • Page 25

    Limbing When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. Cutting WARNING! Never attempt to cut logs while they are in a pile or when a couple of logs are lying together. Such procedures drastically increase the risk of kickback which can result in a serious or fatal injury.

  • Page 26

    Tree felling technique IMPORTANT! It takes a lot of experience to fell a tree. Inexperienced users of chain saws should not fell trees. Do not attempt any task beyond your experience level! 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.

  • Page 27

    Felling WARNING! Unless you have special training we advise you not to fell trees with a diameter larger than the bar length of your saw! 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.

  • Page 28

    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 recommended for your saw.

  • Page 29: How To Avoid Kickback

    How to avoid kickback WARNING! Kickback can happen very suddenly and violently; kicking the chain 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 and that you can avoid it by taking care and using the right working technique.

  • Page 30: Gener Al, Carburetor Adjustment

    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 with movement limiters on the carburetor adjuster screws.

  • Page 31: Checking, Maintaining And Servicing Chain Saw Safety Equipment

    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 difficulties and poor acceleration.

  • Page 32

    Throttle lockout • Make sure the throttle control is locked at the idle setting when the throttle lockout is released. • Press the throttle lockout and make sure it returns to its original position when you release it. • Check that the throttle control and throttle lockout move freely and that the return springs work properly.

  • Page 33: Muffler, Starter

    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 week.

  • Page 34: Air filter

    The filter must therefore be replaced with a new one at regular intervals. A damaged air filter must always be replaced. A JONSERED chain saw can be equipped with different types of air filter according to working conditions, weather, season, etc. Contact your dealer for advice.

  • Page 35: Spark Plug, Lubricating The Bar Tip Sprocket, Needle Bearing Lubrication, Adjustment Of The Oil Pump

    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 and starting difficulties.

  • Page 36: Turbo Air Cleaning" Centrifugal Cleaning, Winter Use

    ”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 regularly maintained. Clean the air intake to the starter, the fins on the flywheel, the space around the flywheel, inlet pipe and carburetor compartment.

  • Page 37: Maintenance Schedule

    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 Clean the outside of the machine. Check that the components of the throttle control work safely.

  • Page 38: T Echnical Data

    Usable cutting length, inches/cm Pitch, inch/mm Thickness of drive links, inch/mm Drive sprocket type/teeth Chain speed at max. power, m/sec 38 – English TECHNICAL DATA CS 2255 3,38/55,5 1,85/47 1,26/32,0 2700 2,6/3,5 @ 9000 NGK BPMR 7A/ Champion RCJ 7Y...

  • Page 39: Bar And Chain Combinations, Saw Chain filing And file Gauges

    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 and vibration requirements of ANSI B 175.1–2000.

  • Page 40: Y Our Warranty Rights And Obligations

    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 engine. In U.S. and Canada, new small nonroad engines must be designed, built and equipped to meet the federal stringent anti-smog standards.

  • Page 41: Saf Ety Precautions For Chain Saw Users

    AMERICAN STANDARD SAFETY PRECAUTIONS Safety precautions for chain saw users (ANSI B 175.1-2000 Annex C) Kickback safety precautions WARNING! Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut.

  • Page 42

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  • Page 44

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