Jonsered CS 2141S Operator'S Manual Download

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Operator’s manual

Please read the operator’s manual carefully and
make sure you understand the instructions
before using the machine.

EPA II

Summary of Contents for CS 2141S

Page 1: ...Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine EPA II EPA II EPA II EPA II ...

Page 2: ... certification requirements for certain markets Symbols in the operator s manual Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance Always wear approved protective gloves Regular cleaning is required Visual check Protective goggles or a visor must be worn Refuelling Filing with oil and adjusting oil flow The chain brake must be engage...

Page 3: ...STARTING AND STOPPING Starting and stopping 19 WORKING TECHNIQUES Before use 21 General working instructions 21 How to avoid kickback 28 MAINTENANCE General 29 Carburetor adjustment 29 Checking maintaining and servicing chain saw safety equipment 30 Muffler 32 Starter 32 Air filter 33 Spark plug 34 Lubricating the bar tip sprocket 34 Needle bearing lubrication 34 Adjustment of the oil pump 34 Cool...

Page 4: ... and that it will be your companion for a long time Think of this operator s manual as a valuable document By following its content using service maintenance etc the life span and the second hand value of the machine can be extended If you ever lend or sell this machine make sure that the borrower or buyer gets the operator s manual so they will also know how to properly maintain and use it Good l...

Page 5: ...ottle lock 9 Rear handle 10 Stop switch Ignition on off switch 11 Fuel tank 12 Muffler 13 Bar tip sprocket 14 Chain 15 Bar 16 Bumper spike 17 Chain catcher 18 Clutch cover 19 Rear handle with right hand guard 20 Throttle control 21 Throttle lockout 22 Decompression valve CS 2145 CS 2150 23 Combination spanner 24 Chain tensioning screw 25 Operator s manual EPA 26 Bar guard 27 Oil pump adjustment sc...

Page 6: ...very important that you read and understand the contents of this operator s manual WARNING The inside of the muffler contain chemicals that may be carcinogenic Avoid contact with these elements in the event of a damaged muffler WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk IMPORTANT The machine is only designed for cutti...

Page 7: ...d and the risk of accidents can increase if machine maintenance is not carried out correctly and if service and or repairs are not carried out professionally If you need further information please contact your nearest servicing dealer Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain if you get a kickback The chain brake reduces the r...

Page 8: ... reduce the risk of moving chain accidentally hitting your leg or anyone or anything close by To release the chain brake pull the front hand guard backwards towards the front handle Kickback can be very sudden and violent Most kickbacks are minor and do not always activate the chain brake If this happens you should hold the chain saw firmly and not let go The way the chain brake is activated eithe...

Page 9: ...ork session Second the kickback must be strong enough to activate the chain brake If the chain brake is too sensitive it would activate all the time which would be a nuisance Will my chain brake always protect me from injury in the event of a kickback No First the chain brake must be in working order to provide the intended protection Second it must be activated during the kickback as described ab...

Page 10: ...intain your cutting equipment in order to Reduce the risk of kickback Reduce the risk of the saw chain breaking or jumping off the bar Obtain optimal cutting performance Extend the life of cutting equipment Avoid increasing vibration levels WARNING Overexposure to vibration can lead to circulatory damage or nerve damage in people who have impaired circulation Contact your doctor if you experience ...

Page 11: ...ack Chain A chain is made up of a number of links which are available in standard and low kickback versions Some terms that describe the bar and chain 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 ...

Page 12: ...ng angle 2 Cutting angle 3 File position 4 Round file diameter It is very difficult to sharpen a chain correctly without the right equipment We recommend that you use our file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain See instructions under the heading Technical data for information about sharpening your chain Sharpening cutting teeth To...

Page 13: ...th gauge that protrudes through the depth gauge tool The depth gauge setting is correct when you no longer feel resistance as you draw the file along the depth gauge tool Tensioning the chain The more you use a chain the longer it becomes It is therefore important to adjust the chain regularly to take up the slack Check the chain tension every time you refuel NOTE A new chain has a running in peri...

Page 14: ... that you also use the recommended cutting equipment a bar that is too long will use more chain oil Checking chain lubrication Check the chain lubrication each time you refuel See instructions under the heading Lubricating the bar tip sprocket Aim the tip of the bar at a light coloured surface about 20 cm 8 inches away After 1 minute running at 3 4 throttle you should see a distinct line of oil on...

Page 15: ...replaced Bar 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 If a hollow forms on the underside of the bar tip this is due to running with a slack chain To prolong the life of the bar you should turn it over daily ...

Page 16: ...t the chain is correctly located in the groove in the bar Tighten the bar nuts finger tight Tension the chain by turning the chain tensioning screw clockwise using the combination spanner See instructions under the heading Tensioning the 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 t...

Page 17: ...g Carburetor Running in Avoid running at a too high speed for extended periods during the first 10 hours Two stroke oil For best results and performance use JONSERED two stroke engine oil which is specially formulated for our air cooled two stroke engines Never use two stroke oil intended for water cooled engines sometimes referred to as outboard oil rated TCW Never use oil intended for four strok...

Page 18: ...iner designed for that purpose For longer periods of storage or for transport of the chain saw the fuel and chain oil tanks should be emptied Ask where you can dispose of waste fuel and chain oil at your local gas station Ensure the machine is cleaned and that a complete service is carried out before long term storage The bar guard must always be fitted to the cutting attachment when the machine i...

Page 19: ...p the front handle with your left hand Hold the chain saw on the ground by placing your right foot through the rear handle 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 pull firmly and rapidly Never wrap the starter cord around your hand CAUTION Do not pull the starter cord all the way out and do not l...

Page 20: ...y dangerous because you may lose control of the saw Never start the machine indoors Exhaust fumes can be dangerous if inhaled Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment Always hold the saw with both hands The right hand should be on the rear handle and the left hand on the front handle All people whether right o...

Page 21: ...y rain strong wind intense cold etc Working in bad weather is tiring and often brings added risks such as icy ground unpredictable felling direction etc 3 Take great care when removing small branches and avoid cutting bushes i e cutting many small branches at the same time Small branches can be grabbed by the chain and thrown back at you causing serious injury 4 Make sure you can move and stand sa...

Page 22: ...our right hand on the rear handle and your left hand on the front handle Wrap your fingers and thumbs around the handles You should use this grip whether you are right handed or left handed This grip minimizes the effect of kickback and lets you keep the chain saw under control Do not let go of the handles 3 Most kickback accidents happen during limbing Make sure you are standing firmly and that t...

Page 23: ...g from below Cutting with pushing chain Cutting with a pushing chain increases the risk of kickback See instructions under the heading How to avoid kickback Terms 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 There are five important factors you should consider before making a...

Page 24: ... all the way through the log from above Avoid letting the chain touch the ground as you finish the cut Maintain full throttle but be prepared for what might happen If it is possible can you turn the log stop cutting about 2 3 of the way through the log Turn the log and finish the cut from the opposite side The log is supported at one end There is a high risk that it will split Start by cutting fro...

Page 25: ...nded Another very important factor which does not affect the felling direction but does affect your safety is to make sure the tree has no damaged or dead branches that might break off and hit you during felling The main point to avoid is letting the tree fall onto another tree It is very dangerous to remove a trapped tree and there is high accident risk See instructions under the heading Freeing ...

Page 26: ...hosen felling direction Felling cut The felling cut is made from the opposite side of the tree and it must be perfectly horizontal Stand on the left side of the tree and cut on the pull stroke Make the felling cut about 3 5 cm 1 5 2 inches above the bottom directional cut Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1 10 of the trunk d...

Page 27: ...mounted Portable Cutting trees and branches that are in tension Preparations Work out which side is in tension and where the point of maximum tension is i e where it would break if it was bent even more Decide which is the safest way to release the tension and whether you are able to do it safely In complicated situations the only safe method is to put aside your chain saw and use a winch General ...

Page 28: ...lose as possible to the chain saw for maximum control If possible let the weight of the chain saw rest on the trunk Keep the trunk between you and the chain saw as you move along the trunk Cutting the trunk into logs See instructions under the heading Basic cutting technique WARNING Kickback can happen very suddenly and violently kicking the chain saw bar and chain back at the user If this happens...

Page 29: ...d running at a too high speed for extended periods during the first 10 hours CAUTION If the chain rotates while idling the T screw must be turned anti clockwise until the chain stops Rec idle speed 2700 rpm Fine adjustment When the machine has been run in the carburetor should be finely adjusted The fine adjustment should be carried out by a qualified person First adjust the L jet then the idling ...

Page 30: ... the engine Checking maintaining and servicing chain saw safety equipment Chain brake and front hand guard Checking brake band wear Brush off any wood dust resin and dirt from the chain brake and clutch drum Dirt and wear can impair operation of the brake Regularly check that the brake band is at least 0 6 mm 0 024 inch thick at its thinnest point Checking the front hand guard Make sure the front ...

Page 31: ...eturn springs work properly Start the chain saw and apply full throttle Release the throttle control and check that the chain stops and remains stationary If the chain rotates when the throttle control is in the idle position you should check the carburetor idle adjustment Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw Replace it if ne...

Page 32: ... the operator The exhaust gases are hot and can contain sparks which may cause fire if directed against dry and combustible material 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 odorless is not however reduced Consequently never work in an enclosed or...

Page 33: ... recoil spring in the starter Fit the starter pulley and tension the recoil spring Drive disc spring B Undo the bolt in the centre of the pulley and remove the drive disc and the drive disc spring Replace the drive disc spring and fit the drive disc above the spring Fitting the starter To fit the starter first pull out the starter cord and place the starter in position against the crankcase Then s...

Page 34: ...essor Lubricating the bar tip sprocket Lubricate the bar tip sprocket each time you refuel Use the special grease gun and a good quality bearing grease Needle bearing lubrication The clutch drum has a needle bearing on the output shaft This needle bearing must be lubricated regularly once a week When lubricating remove the clutch cover by loosening the two bar nuts Lay the saw on its side with the...

Page 35: ...y maintained Clean the air intake to the starter the fins on the flywheel the space around the flywheel inlet pipe and carburetor compartment Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by Too low engine temperature Icing of the air filter and carburetor Special measures are therefore often required Partly mask the air inlet on the starter t...

Page 36: ... be turned daily for more even wear Check the lubrication hole in the bar to be sure it is not clogged Clean the bar groove If the bar has a sprocket tip this should be lubricated Lubricate the clutch drum bearing Clean the outside of the carburetor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check fuel hose for cracks or other damage Change...

Page 37: ...uretor Zama Zama Zama Carburetor type C3 EL18 C3 EL18 C3 EL18 Fuel tank capacity US pint litre 1 06 0 5 1 06 0 5 1 06 0 5 Oil pump capacity at 9 000 rpm ml min 9 9 5 12 Oil tank capacity US pint litre 0 53 0 25 0 53 0 25 0 53 0 25 Type of oil pump Automatic Automatic Automatic Weight Chain saw without bar or chain empty tanks lb kg 10 8 4 9 11 0 5 0 11 0 5 0 10 8 4 9 Chain bar Standard bar length ...

Page 38: ...procket teeth may be considered to have equivalent kickback energy A hard nose bar having the same length and nose radius as a sprocket nose bar may be considered to have equivalent or less kickback energy than the sprocket nose bar Low kickback saw chain is a chain which has only met the kickback performance requirements of ANSI B 175 1 safety requirements for gasoline powered chain saws when tes...

Page 39: ...each subsequent purchaser that the engine is free from defects in materials and workmanship which cause the failure of a warranted part for a period of two years WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Jonsered servicing dealer If you have any questions regarding your warranty rights and r...

Page 40: ...and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released Shut off the engine before setting the chain saw down Use extreme caution when cutting small size brush and saplings because slender material may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for springback so that y...

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