Jonsered CS 2156 Operator's Manual

Jonsered CS 2156 Operator's Manual

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Oper ator ' s manual
Please read the oper ator's manual carefully and
make sure you understand the instructions
before using the machine.
CS 2156 CS 2159

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Summary of Contents for Jonsered CS 2156

  • Page 1 Oper ator ′ s manual Please read the oper ator’s manual carefully and make sure you understand the instructions before using the machine. CS 2156 CS 2159...
  • Page 2: Key To Symbols

    KEY T O SYMBOLS Symbols on the mac hine: The chain brake must be engaged when the chain saw is started. W ARNING! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or If your machine bears this symbol it is others.
  • Page 3: Table Of Contents

    CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ..........Symbols in the operator’s manual: ....... CONTENTS Contents ..............INTR ODUCTION Dear Customer , ............WHA T IS WHAT? What is what on the chain sa w? ........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.
  • Page 5: Wha T Is What

    21 Throttle lock (Prevents accidental operation of throttle 7 Adjuster screws carburettor control.) 8 Choke control/Start throttle lock 22 Decompression valve (CS 2159) Automatic decompression valve (CS 2156) 9 Rear handle 23 Combination spanner 10 Stop switch (Ignition on/off switch.) 24 Chain tensioning screw 11 Fuel tank 25 Operator ′...
  • Page 6: General Safety Preca Utions

    GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw Impor tant • Please read this manual carefully. IMPOR TANT! • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. The machine is only designed for cutting wood. •...
  • Page 7: Personal Protective Equipment

    GENERAL SAFETY PRECA UTIONS chain sa w usage if possible. Your dealer, forestry school or • Fire Extinguisher and Shovel your library can provide information about which training materials and courses are available. Generally clothes should be close-fitting without restricting your freedom of movement.
  • Page 8 GENERAL SAFETY PRECA UTIONS • The chain brake (A) can either be activated manually (by • To release the chain brake pull the front hand guard your left hand) or automatically by the inertia release backwards, towards the front handle. mechanism.
  • Page 9: Right Hand Guard

    GENERAL SAFETY PRECA UTIONS Will m y hand always activate the chain if the bar and chain are properly serviced and maintained (see instructions under the heading General working brake during a kickback? instructions). 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 Cutting hardwoods (most broadleaf trees) creates more WARNING! Never use a saw without a vibration than cutting softwoods (most conifers). Cutting with muffler, or with a damaged muffler. A cutting equipment that is blunt or faulty (wrong type or badly damaged muffler may substantially increase sharpened) will increase the vibration level.
  • 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 • The cutting part of the chain is called the cutter and Sharpening cutting teeth consists of a cutting tooth (A) and the depth gauge (B). The cutters cutting depth is determined by the difference in height between the two (depth gauge setting). To sharpen cutting teeth you will need a round file and a file gauge.
  • Page 13: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Adjustment of depth gauge setting • Undo the bar nuts that hold the clutch cover/chain brake. Use the combination spanner. Then tighten the bar nuts by hand as tight as you can. • The cutting teeth should be newly sharpened before adjusting the depth gauge setting.
  • Page 14 GENERAL SAFETY PRECAUTIONS Filling with chain oil • Check that the bar tip sprocket turns freely and that the lubricating hole in the tip sprocket is not blocked. Clean • All our chain saws have an automatic chain lubrication and lubricate if necessary. system.
  • Page 15 GENERAL SAFETY PRECAUTIONS When the length of the cutting teeth has worn down to only 4 mm the chain must be replaced. Check regularly: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. •...
  • Page 16: Assembly

    ASSEMBLY Fitting the bar and chain The chain is correctly tensioned when it does not sag from the underside of the bar, but can still be turned easily by hand. Hold up the bar tip and tighten the bar nuts with the combination spanner.
  • Page 17: Fuel Handling

    FUEL HANDLING Fuel Mixing ratio 1:50 (2%) with JONSERED two-stroke oil or equivalent. Note! The machine is equipped with a two-stroke engine and must always be run using a mixture of petrol and two-stroke 1:33 (3%) with other oils designed for air-cooled, two-stroke oil.
  • Page 18: Fuelling

    FUEL HANDLING Fuelling Fuel safety • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (petrol and 2-stroke oil). • Move the machine at least 3 m from the refuelling point WARNING! Taking the following precautions, before starting it.
  • Page 19: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Warm engine Use the same procedure as for starting a cold engine but without setting the choke control in the choke position. The WARNING! Note the following before correct choke/start throttle setting is obtained by moving the starting: choke control to the choke position and then pushing it in The chain brake must be engaged when the...
  • Page 20: Starting And Stopping

    STARTING AND STOPPING Note! Reactivate the chain brake by pushing the front hand • Always hold the saw with both hands. The right hand guard back towards the front handle. The chain saw is now should be on the rear handle, and the left hand on the ready for use.
  • Page 21: Working Techniques

    WORKING TECHNIQUES Before use: • To make sure that none of the above might come within reach of your saw or be injured by falling trees. 1 Check that the chain brake works correctly and is not damaged. CAUTION! Follow the instructions above, but do not use a 2 Check that the rear right hand guard is not damaged.
  • Page 22: 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 6 Before moving your chain saw switch off the engine and this does not need to be a danger, you may be surprised lock the chain using the chain brake.
  • Page 23: Basic Cutting Technique

    WORKING TECHNIQUES Cutting with the bottom edge of the bar, i.e. from the top 3 Make sure the chain will not strike the ground or any other of the object downwards, is known as cutting on the pull object during or after cutting. stroke.
  • Page 24: Tree Felling Technique

    WORKING TECHNIQUES Cutting The log is supported at one end. There is a high risk that it will split. 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 25 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 and Delimb the stem up to shoulder height. It is safer to work from cross-cut the log as easily as possible. You want it to fall in a the top down and to have the tree between you and the saw.
  • Page 26 WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the end opposite direction to your intended felling direction. Drive a of the top cut. wedge or breaking bar into the cut as soon as it is deep enough.
  • Page 27: Freeing A Tree That Has Fallen Badly

    WORKING TECHNIQUES We recommend that you use a bar that is longer than the • Portable 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 28: How To Avoid Kickback

    WORKING TECHNIQUES How to avoid kickback Limbing WARNING! A majority of kickback accidents WARNING! Kickback can happen very occur during limbing. Do not use the suddenly and violently; kicking the chain kickback zone of the guide bar. Be extremely saw, bar and chain back at the user. If this cautious and avoid contacting the log, other happens when the chain is moving it can limbs or objects with the nose of the guide...
  • Page 29: Maintenance

    Fine tuning may be required if the chain saw, after changing the type of fuel, performs differently with regard to starting, acceleration, maximum speed, etc. Your Jonsered product has been designed and manufactured to specifications that reduce harmful exhaust fumes. Conditions •...
  • Page 30: Checking, Maintaining And Servicing Chain Saw Safety Equipment

    MAINTENANCE High speed jet H Checking the front hand guard At the factory the engine is adjusted at sea level. When working at a high altitude or in different weather conditions, temperatures and atmospheric humidity, it Make sure the front hand guard is not damaged and that there may be necessary to make minor adjustments to the high are no visible defects such as cracks.
  • Page 31: Throttle Lock

    MAINTENANCE Chain catcher Grasp the chain saw firmly, wrapping your fingers and thumbs around the handles. Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw. Apply full throttle and activate the chain brake by tilting your left wrist forward onto the front hand guard.
  • Page 32: Muffler

    MAINTENANCE Stop switch A muffler equipped with a catalytic converter significantly reduces the amount of hydrocarbons (HC), nitrogen oxides (NO) and aldehydes in the exhaust fumes. Carbon monoxide (CO), which is poisonous and odourless, is not however reduced! Consequently, never work in an enclosed or badly Start the engine and make sure the engine stops when you ventilated area.
  • Page 33: 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 34: Spark Plug

    MAINTENANCE Spark plug Adjustment of the oil pump The spark plug condition is influenced by: The oil pump is adjustable. Adjustments are made by turning the screw using a screwdriver or combination spanner. The • Incorrect carburettor adjustment. machine is supplied from the factory with the screw set to position 2.
  • Page 35: Air Injection" Centrifugal Cleaning

    MAINTENANCE Note! The cooling system on a chain saw with catalytic • a winter plug (B) for the air nozzle that is fitted as shown. converter must be cleaned daily. This is particularly important on chain saws with catalytic converters, because the higher exhaust temperature requires efficient cooling of the engine and the catalytic converter unit.
  • Page 36: 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 brake On chain saws without a catalytic for wear.
  • Page 37: Technical Data

    Type of oil pump Automatic Automatic Weight Chain saw without bar or chain, empty tanks, kg 5,6: CS 2156, CS 2156 C 5,6: CS 2159, CS 2159 C 5,7: CS 2156 CWH 5,7: CS 2159 W, CS 2159 WH, CS 2159 CWH...
  • Page 38: Bar And Chain Combinations

    Max. number of teeth Length, drive links Length, inches Pitch, inch Groove width, mm on the bar tip Type (no.) sprocket 0,325 0,325 Jonsered S25 0,325 0,325 3/8" 3/8" Jonsered S42 3/8" 3/8" Saw chain filing and file gauges ´®z+R$^¶6B¨...
  • Page 39: Ec-Declaration Of Conformity

    Jonsered, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares under sole responsibility that the chain saws Jonsered CS 2156, CS 2156W, CS 2156WH, CS 2156C, CS 2156CWH, CS 2159, CS 2159W, CS 2159WH, CS 2159C and CS 2159CWH from 2002’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:...
  • Page 40 1150046-26 ´®z+R$^¶6B¨ ´®z+R$^¶6B¨ 2005-01-27...

This manual is also suitable for:

Cs 2159

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