Jonsered CS 2245 Operator's Manual
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Jonsered CS 2245 Operator's Manual

Chain saw
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CS 2245
CS 2245S
CS 2250S
Operator 's manual
English
Please read the oper ator's manual carefully and make sure you understand the instructions before using the machine.

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Summary of Contents for Jonsered CS 2245

  • Page 1 CS 2245 CS 2245S CS 2250S Operator ’s manual English Please read the oper ator’s manual carefully and make sure you understand the instructions before using the machine.

  • 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 incorrect 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: 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: Intr Oduction

    If you will sell this machine, make sure that the buyer will get the operator ′ s manual. 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. 4 – English...

  • Page 5: Wha T Is What

    WHA T IS WHA T? What is what on the c hain saw? Cylinder cover 17 Chain Decompression valve 18 Bar tip sprocket Air purge 19 Bar Start reminder 20 Spike bumper Combined start and stop switch 21 Chain catcher Rear handle 22 Chain tensioning screw Information and warning decal...

  • Page 6: 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 7: Always Use Common Sense

    GENERAL SAFETY PRECA UTIONS Al ways use common sense • Boots with saw protection, steel toe-cap and non-slip sole It is not possib le to cover every conceivable situation you • Always have a first aid kit nearby. can face when using a chain saw. Always exercise care and •...
  • Page 8 GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually • To release the chain brake pull the front hand guard (by your left hand) or automatically by the inertia backwards, towards the front handle. release mechanism. •...

  • Page 9: 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 10: 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 minimize vibration and make and to direct exhaust fumes away from the user. operation easier.
  • 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: Sharpening Your Chain And Adjusting Depth Gauge Setting

    GENERAL SAFETY PRECAUTIONS Chain Cutting angle • Chain pitch (inches) • Drive link width (mm/inches) File position Round file diameter • Number of drive links. It is very difficult to sharpen a chain correctly without the right equipment. We recommend that you use our file gauge.

  • Page 13: Tensioning The Chain

    WARNING! The risk of kickback is increased if the depth gauge setting is too large! CS 2245 Adjustment of depth gauge setting • Undo the bar nuts that hold the clutch cover/chain •...

  • Page 14: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS • Use the combination spanner to tighten the bar nuts • Tighten the bar clutch by turning the knob clockwise. while lifting the tip of the bar at the same time. Check that you can pull the chain round freely by hand and that it does not sag from the underside of the bar.
  • Page 15 GENERAL SAFETY PRECAUTIONS Filling with chain oil • Check that the groove in the edge of the bar is clean. Clean if necessary. • All our chain saws have an automatic chain lubrication system. On some models the oil flow is also adjustable.
  • Page 16 GENERAL SAFETY PRECAUTIONS Needle bearing lubrication • Whether the tip of the bar is uneven or badly worn. If a hollow forms on the underside of the bar tip this is due to running with a slack chain. Both versions of sprockets have a needle bearing on the drive shaft, which has to be greased regularly (once a week).

  • Page 17: Assembly

    WARNING! Always wear gloves, when working with the chain. The chain is correctly tensioned when it does not sag from CS 2245 the underside of the bar, but can still be turned easily by Check that the chain brake is in disengaged position by hand.
  • Page 18 ASSEMBLY Fit the bar over the bar bolts. Place the bar in its rearmost Fitting a spike bumper position. Place the chain over the drive sprocket locate it To fit a spike bumper – contact your service agent. 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 19: Fuel Handling

    • Mix (shake) the fuel mixture thoroughly before filling the machine’s fuel tank. JONSERED recommends the use of alkylate fuel, either • Do not mix more than one month’s supply of fuel at a Aspen two-stroke fuel or environment fuel for four-stroke time.

  • Page 20: Fuelling

    FUEL HANDLING Fuelling • Move the machine at least 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. Always stop the engine and let it cool for a few minutes before refuelling.

  • Page 21: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Pull the starter handle (4): Pull the starter handle with your right hand and pull out the starter cord slowly until you feel a resistance (as the starter pawls engage) then WARNING! Note the following before pull firmly and rapidly until the engine fires.

  • Page 22: 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 do not let go of the starter handle when the cord is fully is no risk of people or animals coming into contact with extended.

  • Page 23: 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 24: General Rules

    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 25: Basic Cutting Technique

    WORKING TECHNIQUES the saw chain is jamming, the saw may be pushed Terms 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 26: 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 27 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 28 WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the The felling hinge controls the direction that the tree falls in. end of the top cut. All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed.

  • Page 29: 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 30 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 31: Maintenance

    Carburettor adjustment demands special training. 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 that you manufactured to specifications that reduce harmful take it to your service workshop.

  • Page 32: 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. Place the chain saw, with the engine switched off, on a stump or other stable surface.

  • Page 33: 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 position (push the red button downwards).

  • Page 34: Starter

    MAINTENANCE use a muffler if the spark arrestor mesh is missing or • Undo the bolt in the centre of the pulley and remove 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 35: Air Filter

    • To fit the starter, first pull out the starter cord and place A JONSERED chain saw can be equipped with different the starter in position against the crankcase. Then types of air filter according to working conditions, weather, slowly release the starter cord so that the pulley season, etc.

  • Page 36: 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 carburettor adjustment. When lubricating, remove the clutch cover by loosening •...

  • Page 37: Turbo Air Cleaning" Centrifugal Cleaning

    MAINTENANCE ”Turbo Air Cleaning” centrifugal IMPORTANT! Any maintenance other than that described in this manual must be carried out by your servicing dealer cleaning (retailer). Centrifugal cleaning means the following: All air to the carburettor passes through the starter. Dirt and dust is centrifuged out by the cooling fan.

  • Page 38: 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 39: Technical Data

    TECHNICAL DATA Technical data CS 2245 CS 2245S CS 2250S Engine Cylinder displacement, cm 45,7 45,7 50,2 Cylinder bore, mm Stroke, mm Idle speed, rpm 2700 2700 2700 Power, kW/ rpm 2,1/9000 2,1/9000 2,4/9000 Ignition system Manufacturer of ignition system...

  • Page 40: Bar And Chain Combinations

    The following combinations are CE approved. Chain Length, inch Pitch, inch Gauge, mm Max. nose radius Type Length, drive links (no.) 0,325 0,325 Jonsered H30 0,325 0,325 0,325 0,325 Jonsered H25 0,325 0,325 Saw chain filing and file gauges 40 – English...

  • Page 41: Ec-Declaration Of Conformity

    Jonsered, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares under sole responsibility that the chain saws Jonsered CS 2245, CS 2250 from 2008’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), are in conformity with the requirements of the COUNCIL’S DIRECTIVES: - of June 22, 1998 ”relating to machinery”...
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  • Page 44 1151383-26 ´®z+SF@¶6<¨ ´®z+SF@¶6<¨ 2009-02-10...

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