Jonsered CS 2141 EPA II Operator'S Manual Download

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CS 2141 CS 2145 CS 2150

Operator’s manual (EPA)

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

EPA I

EPA II

Summary of Contents for CS 2141 EPA II

Page 1: ...CS 2141 CS 2145 CS 2150 Operator s manual EPA Please read the operator s manual carefully and make sure you understand the instructions before using the machine EPA I EPA II EPA II ...

Page 2: ...d only Please see page 30 in your Chain saw operator s safety manual Contact of the guide bar tip with any object should be avoided Please see pages 12 21 in your Chain saw operator s safety manual Tip contact may cause the guide bar to move suddenly upward and backward which may cause serious injury Please see pages 12 21 in your Chain saw operator s safety manual Switch off the engine by moving ...

Page 3: ...s 18 WHAT IS WHAT What is what on the chain saw 23 ASSEMBLY Fitting the bar and chain 24 FUEL HANDLING Fuel 25 Chain oil 25 Fuelling 26 STARTING AND STOPPING Starting and stopping 27 MAINTENANCE Carburettor 28 Starter 29 Air filter 30 Spark plug 30 Muffler 30 Needle bearing lubrication 31 Adjustment of the oil pump 31 Cooling system 31 Centrifugal cleaning Turbo 31 Winter use 32 Daily maintenance ...

Page 4: ...ur machine EPA I EPA II 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 emissions requirements Category C 50 hours B 125 hours and A 300 hours Jonsered has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products...

Page 5: ...e Chain brake and front hand guard Throttle lock Chain catcher Right hand guard Vibration damping system Stop switch Muffler Cutting equipment See instructions under the heading Cutting equipment WARNING Most chain saw accidents happen when the chain touches the operator You must use approved personal protective equipment whenever you use the machine Personal protective equipment cannot eliminate ...

Page 6: ...sition or if you put the chain saw down for a short time Apart from the fact that a chain saw with a chain brake greatly reduces the risk of accidents due to kickback you should also apply the chain brake manually if there is a risk of the chain accidentally hitting anyone or anything close by To release the chain brake pull the front hand guard backwards towards the front handle Kickback can be v...

Page 7: ...stops branches and twigs from interfering with your grip on the rear handle Vibration damping system Your machine is equipped with a vibration damping system that is designed to minimise vibration and make operation easier When you use a chain saw vibration is generated by the uneven contact between the chain and the wood you are cutting Cutting hardwoods most broadleaf trees creates more vibratio...

Page 8: ...forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover Checking the inertia brake release Hold the chain saw over a stump or other firm object Let go of the front handle so that the bar drops towards the stump as the chain saw rotates around the rear handle When the bar hits the stump the brake should be applied Checking the brake trigger Place the chai...

Page 9: ...e 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 carburettor idle adjustment Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw Right hand guard Check that the right hand guard is not damaged and that there are no visible...

Page 10: ...pment well lubricated and properly maintained A poorly lubricated chain is more likely to break and lead to increased wear on the bar chain and drive sprocket Cutting equipment designed to minimise kickback The only way to avoid kickback is to make sure that the kickback zone of the bar never touches anything By using cutting equipment with built in kickback reduction and keeping the chain sharp a...

Page 11: ...ive link width mm inches Number of drive links Level of kickback reduction The level of kickback reduction offered by a chain is only indicated by its model number See the Technical data section to find the model numbers of chains that are recommended for use with your model of chain saw Sharpening your chain and adjusting raker clearance General information on sharpening cutting teeth Never use a...

Page 12: ...g it more difficult to sharpen correctly Always file cutting teeth from the inside face Reduce the pressure on the return stroke File all the teeth on one side first then turn the chain saw over and file the teeth on the other side File all the teeth to the same length When the length of the cutting teeth is reduced to 4 mm 0 16 the chain is worn out and should be replaced General advice on settin...

Page 13: ...o 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 Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw using the combination spanner Tighten the chain until it does not sag from the underside of the bar Use the combination spanner to tighten the bar nuts while lifting the tip of...

Page 14: ...d see a distinct line of oil on the light surface If the chain lubrication is not working Check that the oil channel in the bar is not obstructed Clean if necessary Check that the groove in the edge of the bar is clean Clean if necessary Check that the bar tip sprocket turns freely and that the lubricating hole in the tip sprocket is not blocked Clean and lubricate if necessary If the chain lubric...

Page 15: ...ckback always occurs in the cutting plane of the bar Normally the chain saw and bar are thrown backwards and upwards towards the user However the chain saw may move in a different direction depending on the way it was being used when the kickback zone of the bar touched the object WARNING Most chain saw accidents happen when the chain touches the operator Wear personal protective equipment See ins...

Page 16: ...ys maintain a firm foothold Never work on a ladder in a tree or on any other insecure support 6 Always use a fast cutting speed i e full throttle 7 Take great care when you cut with the top edge of the bar i e when cutting from the underside of the object This is known as cutting on the push stroke The chain tries to push the chain saw back towards the user Unless the user resists this pushing for...

Page 17: ...6 Check that the anti vibration system works and is not damaged 7 Check that the muffler is securely attached and not damaged 8 Check that all parts of the chain saw are tightened correctly and that they are not damaged or missing 9 Check that the chain catcher is in place and not damaged Starting Never start a chain saw unless the bar chain and all covers are fitted correctly The chain brake shou...

Page 18: ...the heading How to avoid kickback Before using a chain saw you must understand the difference between cutting with the top and bottom edges of the bar See instructions under the heading How to avoid kickback 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 s...

Page 19: ...rms 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 cut 1 Make sure the cutting equipment will not jam in the cut 2 Make sure the object you are cutting will not split 3 Make sure the chain will not strike the ...

Page 20: ...the same approach as for cutting Cut difficult branches piece by piece Tree felling technique Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 21 2 tree lengths Make sure that no one else is in this risk zone before or during felling Felling direction The aim is to fell the tree in a position where you can limb and cross cut the log as ...

Page 21: ...To make the directional cuts you begin with the top cut Stand to the right of the tree and cut on the pull stroke Next make the bottom cut so that it finishes exactly at the end of the top cut The directional cuts should run 1 4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45 The line where the two cuts meet is called the directional cut line This li...

Page 22: ...gs See instructions under the heading Basic cutting technique Freeing a tree that has fallen badly Freeing a trapped tree It is very dangerous to remove a trapped tree and there is high accident risk The safest method is to use a winch Tractor 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...

Page 23: ...11 Fuel tank 12 Muffler 13 Bar tip sprocket 14 Chain 15 Bar 16 Spike bumper 17 Chain catcher Catches chain if it jumps or breaks 18 Clutch cover 19 Right hand guard Protects right hand if chain breaks or jumps 20 Throttle control 21 Throttle lock Prevents accidental operation of throttle control 22 Decompression valve CS 2145 CS 2150 23 Combination spanner 24 Chain tensioning screw 25 Operator s m...

Page 24: ...orrectly 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 The chain should be tensioned until it does not sag from the underside of the bar 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...

Page 25: ...x the gasoline and oil in a clean container intended for fuel Always start by filling half the amount of the gasoline to be used Then add the entire amount of oil Mix shake the fuel mixture Add the remaining amount of gasoline Mix shake the fuel mixture thoroughly before filling the machine s fuel tank Do not mix more than one month s supply of fuel at a time If the machine is not used for some ti...

Page 26: ... chain oil tank and fuel tank are carefully matched You should therefore always fill the chain oil tank and fuel tank at the same time WARNING Taking the following precautions will lessen the risk of fire Do not smoke or place hot objects near fuel Always shut off the engine before refuelling When refuelling open the fuel cap slowly so that any excess pressure is released gently Tighten the fuel c...

Page 27: ...he 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 As the chain brake is still activated the engine must return to idling speed as soon as possible by disengaging the throttel latch in order to avoid unnecessery wear on the clutch assembly Push ...

Page 28: ...hould be clean and the cylinder cover fitted Adjusting the carburettor while a dirty air filter is in use will result in a leaner mixture next time the filter is cleaned This can give rise to serious engine damage Carefully turn the L and H needle to the mid point Do not attempt to adjust the L and H jets beyond either stop as this could cause damage Now start the machine according to the starting...

Page 29: ...the centre of the pulley and remove the pulley Insert and fasten a new starter cord to the pulley Wind approx 3 turns of the starter cord onto the pulley Connect the pulley to the recoil spring so that the end of the spring engages in the pulley Fit the screw in the centre of the pulley Insert the starter cord through the hole in the starter housing and the starter handle Make a secure knot in the...

Page 30: ... spark plug electrodes which may result in operating problems and starting difficulties If the machine is low on power difficult to start or runs poorly at idle speed always check the spark plug first before taking any further action If the spark plug is dirty clean it and check that the electrode gap is 0 5 mm 0 020 The spark plug should be replaced after about a month in operation or earlier if ...

Page 31: ...ng system To keep the working temperature as low as possible the machine is equipped with a cooling system The cooling system consists of 1 Air intake on the starter 2 Air guide plate 3 Fins on the flywheel 4 Cooling fins on the cylinder 5 Cylinder cover directs cold air over the cylinder Clean the cooling system with a brush once a week more often in demanding conditions A dirty or blocked coolin...

Page 32: ...your dealer befor it is used again Also be sure that the trigger cannot be pulled until the throttle trigger lockout is depressed 2 Clean the chain brake and check that it operates safely Make sure that the chain catcher is undamaged and replace it if necessary 3 Clean the air filter Replace if necessary 4 The bar should be turned daily for more even wear Check the lubrication hole in the bar to b...

Page 33: ...lean the cooling fins on the cylinder 7 Clean or replace the spark arrestor mesh in the muffler 8 Clean the carburettor compartment Monthly maintenance 1 Check the brake band on the chain brake for wear 2 Check the clutch centre clutch drum and clutch spring for wear 3 Clean the outside of the carburettor 4 Change the fuel filter in fuel tank 5 Clean the inside of the fuel tank 6 Clean the inside ...

Page 34: ...Zama Zama Carburettor 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 Lbs kg 10 8 4 9 10 8 4 9 10 8 4 9 Chain bar Standard bar length inch cm 13 33 13 33...

Page 35: ...g the same number of sprocket 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 power...

Page 36: ...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 37: ... z xy 5c 2003 10 28 z xy 5c 1088895 95 ...

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