Jonsered CS 2240 Operator's Manual
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Jonsered CS 2240 Operator's Manual

Chain saw
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See also: Workshop Manual , Operator's Manual
CS 2240
Operator' s manual
CS 2240S
(EPA III, CARB III)
English
Please read the oper ator's manual carefully and make sure you understand the instructions before using the machine.z
115 11 98-95 Re v .1 2009-01-20

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  • Page 1 CS 2240 Operator’ s manual CS 2240S (EPA III, CARB III) English Please read the oper ator’s manual carefully and make sure you understand the instructions before using the machine.z 115 11 98-95 Re v .1 2009-01-20...

  • Page 2: Key To Symbols

    KEY T O SYMBOLS Symbols on the mac hine: Symbols in the operator’ s manual: W ARNING! Chain saws can be dangerous! Careless or improper use Switch off the engine bef ore can result in serious or fatal injury to the carrying out any checks or operator or others.
  • Page 3 KEY TO SYMBOLS You will find the following labels on your machine: EPA III The Emissions Compliance Period referred to on the Emission Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal and Californian emissions requirements. Maintenance, replacement, or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual.

  • Page 4: Table Of Contents

    CONTENTS Contents FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT KEY TO SYMBOLS Y OUR WARRANTY RIGHTS AND OBLIGATIONS 42 Symbols on the machine: ........2 AMERICAN ST ANDARD SAFETY Symbols in the operator’s manual: ......2 PRECAUTIONS CONTENTS Saf ety precautions for chain saw users ....43 Contents ...............

  • Page 5: Intr Oduction

    ′ s manual, so they will also know how to properly maintain and use it. 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 6: Wha T Is What

    WHA T IS WHA T? What is what on the c hain saw? Cylinder cover 16 Chain Air purge 17 Bar tip sprocket Start reminder 18 Bar Combined start and stop switch 19 Bumper spike Rear handle 20 Chain catcher Information and warning decal 21 Chain tensioning screw Fuel tank...

  • Page 7: General Safety Preca Utions

    GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw W ARNING! Never allow children to use or be in the vicinity of the machine. As the • Please read this manual carefully. machine is equipped with a spring- •...

  • Page 8: Always Use Common Sense

    GENERAL SAFETY PRECA UTIONS Always use common sense • Gloves with saw protection • Trousers with saw protection It is not possible to cover every conceivable situation you • Boots with saw protection, steel toe-cap and non-slip can face when using a chain saw. Always exercise care and sole use your common sense.
  • Page 9 GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually • The chain brake is released by moving the front hand (by your left hand) or automatically by the inertia guard marked ”PULL BACK TO RESET” back, release mechanism.

  • Page 10: Chain Catcher

    GENERAL SAFETY PRECAUTIONS of the front hand guard, the chain brake can only be Throttle lockout activated by the inertia action. The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e. when you grasp the handle) it releases the throttle control (B).

  • Page 11: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Vibration damping system Muffler Your machine is equipped with a vibration damping The muffler is designed to keep noise levels to a minimum system that is designed to reduce vibration and make and to direct exhaust fumes away from the user. operation easier.

  • Page 12: General Rules

    A poorly lubricated chain is Jonsered. See instructions under the heading Technical more likely to break and lead to increased wear on the Data for a list of replacement bar and chain combinations bar, chain and drive sprocket.

  • Page 13: Sharpening Your Chain And Adjusting Depth Gauge Setting

    GENERAL SAFETY PRECAUTIONS • Number of drive links. The number of drive links is • A sharp chain eats its way through the wood and produces long, thick chips or shavings. determined by the length of the bar, the chain pitch and the number of teeth on the bar tip sprocket.

  • Page 14: Tensioning The Chain

    GENERAL SAFETY PRECAUTIONS Sharpening cutting teeth Adjustment of depth gauge setting To sharpen cutting teeth you will need a round file and a • The cutting teeth should be newly sharpened before file gauge. See instructions under the heading Technical adjusting the depth gauge setting.
  • Page 15 GENERAL SAFETY PRECAUTIONS CS 2240 • Turn the knob anti clockwise to loosen the bar cover. • Loosen the bar nut that holds the clutch cover and chain brake. Use the combination spanner. Then retighten the bar nut as tightly as you can by hand.

  • Page 16: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Lubricating cutting equipment Checking chain lubrication • Check the chain lubrication each time you refuel. See WARNING! Poor lubrication of cutting instructions under the heading Lubricating the bar tip equipment may cause the chain to snap, sprocket. which could lead to serious, even fatal Aim the tip of the bar at a light coloured surface about injuries.
  • Page 17 GENERAL SAFETY PRECAUTIONS Chain drive sprocket Check regularly: The clutch drum is fitted with one of the following drive • Whether there are burrs on the edges of the bar. sprockets: Remove these with a file if necessary. A Spur sprocket (the chain sprocket is welded on the drum) B Rim sprocket (replaceable) •...

  • Page 18: Assembly

    WARNING! Always wear gloves, when working with the chain. The chain is correctly tensioned when there is no slack on CS 2240 the underside of the bar, and it can still be turned easily by hand. Tighten the bar nut with the combination spanner Check that the chain brake is in disengaged position by while holding up the tip of the bar.
  • Page 19 ASSEMBLY 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 20: Fuel Handling

    Environment fuel • If the machine is not used for some time the fuel tank Jonsered recommends the use of alkylate fuel or should be emptied and cleaned. environmental fuel for four-stroke engines blended with two-stroke oil as set out below. Note that carburetor...

  • Page 21: Fueling

    FUEL HANDLING Fueling • Move the machine at least 10 ft (3 m) from the refuelling point before starting it. 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.

  • Page 22: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Push down the red choke control (4): As soon as the engine fires which can be heard through a "puff" sound, push down on the red choke control. WARNING! Note the following before starting: Pull the starter handle (5): Keep on pulling the cord powerfully until the engine starts.

  • Page 23: Starting And Stopping

    STARTING AND STOPPING CAUTION! Do not pull the starter cord all the way out and • Observe your surroundings and make sure that there is no risk of people or animals coming into contact with do not let go of the starter handle when the cord is fully the cutting equipment.

  • Page 24: Working Techniques

    WORKING TECHNIQUES Before use: Basic safety rules Look around you: • To ensure that people, animals or other things cannot affect your control of the machine. • To make sure that none of the above might come within reach of your saw or be injured by falling trees. Check that the chain brake works correctly and is not damaged.
  • Page 25 WORKING TECHNIQUES Have control over the workpiece. If the pieces you intend to cut are small and light, they can jam in the saw chain and be thrown towards you. Even if this does not need to be a danger, you may be surprised Before moving your chain saw switch off the engine and lose control of the saw.

  • Page 26: Basic Cutting Technique

    WORKING TECHNIQUES user. If the saw chain is jamming, the saw may be Terms pushed back at you. Cutting = General term for cutting through wood. Limbing = Cutting branches off a felled tree. Splitting = When the object you are cutting breaks off before the cut is complete.

  • Page 27: Tree Felling Technique

    WORKING TECHNIQUES Limbing Turn the log and finish the cut from the opposite side. When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. The log is supported at one end. There is a high risk that it will split.
  • Page 28 WORKING TECHNIQUES Felling direction Clearing the trunk and preparing your retreat The aim is to fell the tree in a position where you can limb Delimb the stem up to shoulder height. It is safer to work and cross-cut the log as easily as possible. You want it to from the top down and to have the tree between you and fall in a location where you can stand and move about the saw.
  • Page 29 WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the All control over the felling direction is lost if the felling end of the top cut. hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed.

  • Page 30: How To Avoid Kickback

    WORKING TECHNIQUES Freeing a tree that has fallen badly necessary to reduce the tension and make the tree or branch break at the point of maximum tension. Freeing a ”trapped tree” It is very dangerous to remove a trapped tree and there is high accident risk.
  • Page 31 WORKING TECHNIQUES was being used when the kickback zone of the bar Cutting the trunk into logs touched the object. See instructions under the heading Basic cutting technique. Kickback only occurs if the kickback zone of the bar touches an object. Limbing WARNING! A majority of kickback accidents occur during limbing.

  • Page 32: Maintenance

    This is especially true of the machine ′ s safety equipment. If your machine fails any of Your Jonsered product has been designed and the checks described below we recommend you to manufactured to specifications that reduce harmful contact our servicing dealer.

  • Page 33: Throttle Lockout

    MAINTENANCE Checking the inertia brake release Apply full throttle and activate the chain brake by tilting your left wrist forward onto the front hand guard. Do not let go of the front handle. The chain should stop immediately. With the engine turned off, hold the chain saw over a stump or other firm object.

  • Page 34: Muffler

    MAINTENANCE Chain catcher Stop switch Check that the chain catcher is not damaged and is firmly Start the engine and make sure the engine stops when attached to the body of the chain saw. you move the stop switch to the stop setting. CAUTION! The start/stop switch automatically returns to Right hand guard run position.

  • Page 35: Starter

    MAINTENANCE use a muffler if the spark arrestor screen is missing • Undo the bolt in the centre of the pulley and remove or defective. the drive disc (A), drive disc spring (B) and the pulley (C). Insert and secure a new starter cord in the starter pulley.

  • Page 36: Air Filter

    A damaged air filter must always be replaced. Fitting the starter A Jonsered chain saw can be equipped with different • To fit the starter, first pull out the starter cord and place types of air filters according to working conditions,...

  • Page 37: Spark Plug

    MAINTENANCE Spark plug Needle bearing lubrication The clutch drum has a needle bearing on the output shaft. The spark plug condition is influenced by: This needle bearing must be lubricated regularly. • Incorrect carburetor adjustment. When lubricating, remove the clutch cover by loosening •...

  • Page 38: Air Injection" Centrifugal Cleaning

    MAINTENANCE Temperature -5° ° ° ° C (23° ° ° ° F) or colder: ”Air Injection” 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. For running the machine in cold weather or powder snow, a special cover is available, which is mounted on the starter housing.

  • Page 39: Maintenance Schedule

    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 Check the brake band on the chain On chain saws without a catalytic brake for wear.

  • Page 40: Technical Data

    TECHNICAL DATA Technical data CS 2240 CS 2240S Engine Cylinder displacement, cu.in/cm 2,49/40,9 2,49/40,9 Cylinder bore, inch/mm 1,61/41 1,61/41 Stroke, inch/mm 1,22/31 1,22/31 Idle speed, rpm 2900 2900 Power, kW/hp @ rpm 1,8/2,4 @ 9000 1,8/2,4 @ 9000 Ignition system...

  • Page 41: Bar And Chain Combinations

    Recommended original and replacement bar and chain combinations Following is a list of recommended cutting equipment for the Jonsered chain saw models CS 2240 and CS 2240S. 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 B175.1–2000.

  • Page 42: Federal And California Emissions Control Warranty Statement

    Jonsered are pleased to explain the emissions control system’s Jonsered at no cost. Any such part repaired or replaced under warranty on your 2009 and later small off-road engine. In U.S.

  • Page 43: American Standard Safety Precautions

    AMERICAN STANDARD SAFETY PRECAUTIONS Safety precautions for chain saw Other safety precautions users WARNING! Do not operate a chain saw with one hand! Serious injury to the (ANSI B175.1-2000 Annex C) operator, helpers, bystanders or any Kickback safety precautions combination of these persons may result from one-handed operation.
  • Page 44 1151198-95 2009-01-20 ´®z+S3y¶5]¨ ´®z+S3y¶5]¨ 115 11 98-95 Rev.1 2009-01-20...

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