Page 2 - KEY TO SYMBOLS; Symbols on the machine:
2 – English KEY TO SYMBOLS Symbols on the machine: WARNING! Chain saws can be dangerous! Careless or improper use can result in serious or fatal injury to the operator or others. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. Alway...
Page 3 - CONTENTS; Contents
English – 3 CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: .............................................. 2 Symbols in the operator’s manual: ................................ 2 CONTENTS Contents ....................................................................... 3 INTRODUCTION Dear cus...
Page 4 - INTRODUCTION
4 – English INTRODUCTION Dear customer! Congratulations on your choice to buy a Jonsered product! Your purchase gives you access to professional help with repairs and service whenever this may be necessary. If the retailer who sells your machine is not one of our authorized dealers, ask for the addr...
Page 5 - What is what on the chain saw?
English – 5 WHAT IS WHAT? What is what on the chain saw? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 27 18 19 20 21 29 22 28 24 26 23 25 30 1 Cylinder cover 2 Front handle 3 Front hand guard 4 Starter 5 Chain oil tank 6 Starter handle 7 Adjuster screws carburetor 8 Choke control/Start throttle lock 9 ...
Page 6 - GENERAL SAFETY PRECAUTIONS; Before using a new chain saw; Important
6 – English GENERAL SAFETY PRECAUTIONS Before using a new chain saw • Please read this manual carefully. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. • Refuel and start the chain saw. See the instructions under the headings Fuel Ha...
Page 7 - Personal protective equipment; Chain brake and front hand guard
English – 7 GENERAL SAFETY PRECAUTIONS chain saw usage if possible. Your dealer, forestry school or your library can provide information about which training materials and courses are available. Work is constantly in progress to improve the design and technology - improvements that increase your saf...
Page 9 - Throttle lockout
English – 9 GENERAL SAFETY PRECAUTIONS • In the felling position the left hand is in a position that makes manual activation of the chain brake impossible. With this type of grip, that is when the left hand is placed so that it cannot affect the movement of the front hand guard, the chain brake can ...
Page 10 - Vibration damping system; Cutting equipment
10 – English GENERAL SAFETY PRECAUTIONS Vibration damping system Your machine is equipped with a vibration damping system that is designed to reduce vibration and make operation easier. The machine ′ s vibration damping system reduces the transfer of vibration between the engine unit/cutting equipme...
Page 11 - General rules; Bar
English – 11 GENERAL SAFETY PRECAUTIONS General rules • Only use cutting equipment recommended by us! See instructions under the heading Technical data. • Keep the chain’s cutting teeth properly sharpened! Follow our instructions and use the recommended file gauge. A damaged or badly sharpened chain...
Page 12 - Chain; General information on sharpening cutting teeth; Sharpening cutting teeth
12 – English GENERAL SAFETY PRECAUTIONS Chain • Chain pitch (inches) • Drive link width (mm/inches) • Number of drive links. Sharpening your chain and adjusting depth gauge setting General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you have to exert mo...
Page 13 - General advice on adjusting depth gauge setting; Tensioning the chain
English – 13 GENERAL SAFETY PRECAUTIONS • 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 adjusting depth gauge setting • When you sharpen the cutting tooth (A) the depth gauge ...
Page 14 - Lubricating cutting equipment; Chain oil; Filling with chain oil
14 – English GENERAL SAFETY PRECAUTIONS Lubricating cutting equipment Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather. As a chain saw manufacturer we have developed an optimal ch...
Page 15 - Chain drive sprocket
English – 15 GENERAL SAFETY PRECAUTIONS Chain drive sprocket The clutch drum is fitted with one of the following drive sprockets: A Spur sprocket (the chain sprocket is welded on the drum) B Rim sprocket (replaceable) Regularly check the degree of wear on the drive sprocket. Replace if wear is exces...
Page 16 - ASSEMBLY; Fitting the bar and chain
16 – English ASSEMBLY Fitting the bar and chain Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. Remove the bar nuts and remove the clutch cover (chain brake). Take off the transportation ring (A). Fit the bar over the bar bolts. Place the...
Page 17 - FUEL HANDLING; Fuel; Gasoline; Environment fuel; Mixing
English – 17 FUEL HANDLING Fuel Note! The machine is equipped with a two-stroke engine and must always been run using a mixture of gasoline and two-stroke engine oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small...
Page 18 - Fueling; Transport and storage
18 – English FUEL HANDLING Fueling Clean the area around the fuel cap. Clean the fuel and chain oil tanks regularly. The fuel filter must be replaced at least once a year. Contamination in the tanks causes malfunction. Make sure the fuel is well mixed by shaking the container before refuelling. The ...
Page 19 - STARTING AND STOPPING; Starting and stopping; Cold engine; Warm engine
English – 19 STARTING AND STOPPING Starting and stopping Cold engine Starting: The chain brake should be activated when starting the chain saw. Activate the chain brake by pushing the front hand guard forwards. Ignition; choke: Set the choke control in the choke position. This should automatically s...
Page 20 - Stopping
20 – English STARTING AND STOPPING Note! Pull the front hand guard towards the front handle. The chain brake is now disengaged. Your saw is ready for use. • Never start a chain saw unless the bar, chain and all covers are fitted correctly. See instructions under the heading Assembly. Without a bar a...
Page 21 - WORKING TECHNIQUES; General working instructions; Basic safety rules
English – 21 WORKING TECHNIQUES Before use: 1 Check that the chain brake works correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle lockout works correctly and is not damaged. 4 Check that the stop switch works correctly and is not damaged. 5...
Page 23 - Basic cutting technique; General
English – 23 WORKING TECHNIQUES 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 with a pushing chain. The chain tries to push the chain saw back towards the user. If the saw chain is jamming, the saw may be pus...
Page 24 - Limbing
24 – English WORKING TECHNIQUES Limbing When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. Cutting If you have a pile of logs, each log you attempt to cut should be removed from the pile, placed on a saw horse or runners and cut indivi...
Page 25 - Tree felling technique; Safe distance
English – 25 WORKING TECHNIQUES Tree felling technique Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 2 1/2 tree lengths. Make sure that no-one else is in this ”risk zone” before or during felling. Felling direction The aim is to fell t...
Page 26 - Felling
26 – English WORKING TECHNIQUES Felling Felling is done using three cuts. First you make the directional cuts, which consist of the top cut and the bottom cut, then you finish with the felling cut. By placing these cuts correctly you can control the felling direction very accurately. Directional cut...
Page 27 - Freeing a tree that has fallen badly; Freeing a ”trapped tree”; Cutting trees and branches that are in tension
English – 27 WORKING TECHNIQUES We recommend that you use a bar that is longer than the 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 recommen...
Page 28 - How to avoid kickback
28 – English WORKING TECHNIQUES How to avoid kickback What is kickback? The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar, known as the kickback zone, touches an object. Kickback always occu...
Page 29 - MAINTENANCE
English – 29 MAINTENANCE General The user must only carry out the maintenance and service work described in this manual. Carburetor adjustment Due to existing environmental and emissions legislation your chain saw is equipped with movement limiters on the carburetor adjuster screws. These limit the ...
Page 30 - High speed jet H; Correctly adjusted carburetor; Checking brake band wear; Checking the brake trigger
30 – English MAINTENANCE High speed jet H 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 may be necessary to make minor adjustments to the high speed jet. CAUTION! If the high speed jet...
Page 32 - Stop switch; Muffler; Starter; Changing a broken or worn starter cord
32 – English MAINTENANCE Stop switch Start the engine and make sure the engine stops when you move the stop switch to the stop setting. Muffler Never use a machine that has a faulty muffler. Regularly check that the muffler is securely attached to the machine. Some mufflers are equipped with a speci...
Page 33 - Tensioning the recoil spring; Air filter
English – 33 MAINTENANCE • Undo the bolt in the centre of the pulley and remove the drive disc, drive disc spring and the pulley. Insert and secure a new starter cord in the starter pulley. Wind approx. 3 turns of the starter cord on the starter pulley. Fit the starter pulley so that the end of the ...
Page 34 - Spark plug; Lubricating the bar tip sprocket
34 – English MAINTENANCE Spark plug The spark plug condition is influenced by: • Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). • A dirty air filter. These factors cause deposits on the spark plug electrodes, which may result in operating problems a...
Page 35 - Cooling system; Temperature 0
English – 35 MAINTENANCE Cooling 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 ...
Page 36 - Maintenance schedule
36 – English 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 Clean the outside of the machine. On chain saws without...
Page 37 - TECHNICAL DATA; Technical data
English – 37 TECHNICAL DATA Technical data CS 2141/CS 2141S CS 2145S CS 2150 Engine Cylinder displacement, cu.in/cm 3 2,49/40,8 2,75/45,0 3,15/51,7 Cylinder bore, inch/mm 1,57/40 1,65/42 1,77/45 Stroke, inch/mm 1,28/32,5 1,28/32,5 1,28/32,5 Idle speed, rpm 2700 2700 2700 Power, kW/ rpm 2,0/9000 2,2/...
Page 38 - Bar and chain combinations
38 – English TECHNICAL DATA Recommended original and replacement bar and chain combinations Following is a list of recommended cutting equipment for the Jonsered chain saw models CS 2141, CS 2141S, CS 2145S and CS 2150. The combinations of power head, bar and chain have been investigated in accordan...
Page 39 - FEDERAL EMISSION CONTROL WARRANTY STATEMENT; ADD -ON OR MODIFIED PARTS
English – 39 FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (The US Environmental Protection Agency), Environment Canada and Jonsered are pleased to explain the emissions control system warranty on your 2001 and later small nonroad engine. In U.S. and Canada...
Page 40 - AMERICAN STANDARD SAFETY PRECAUTIONS; Kickback safety precautions
40 – English AMERICAN STANDARD SAFETY PRECAUTIONS Safety precautions for chain saw users (ANSI B 175.1-2000 Annex C) Kickback safety precautions With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. Keep a good firm gri...