Manual Jonsered 2050

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  • Jonsered 2050 - page 1

    Please read these instructions carefully and make sure you understand them before using the saw. Operator´s manual (EP A) ...

  • Jonsered 2050 - page 2

    2 – English Symbols KEY T O SYMBOLS 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 glasses or a visor must be worn. CAUTION! Chain saws can be dangerous! Careless or incorrect use can ...

  • Jonsered 2050 - page 3

    English – 3 CONTENTS Contents Key to symbols .................................................................. 2 Safety instructions Personal protective equipment ....................................... 4 Chain saw safety equipment ........................................... 4 Inspecting, maintaining and servicing chain saw safety equipment .... ...

  • Jonsered 2050 - page 4

    4 – English ! ! CHAIN SA W SAFETY EQUIPMENT This section explains the various safety features of the saw, how they work, and basic inspection and maintenance you should carry out to ensure safe operation. (See the ”What is what?” section to find out where these components are on Your saw). NEVER USE A CHAIN SAW THAT HAS FAULTY SAFETY EQUIPMEN ...

  • Jonsered 2050 - page 5

    English – 5 1 Chain brake and front hand guard YOUR chain saw is equipped with a chain brake that is desig- ned to stop the chain immediately if you get a kickback. The chain brake reduces the risk of accidents, but only You can prevent them. Take care when using your saw and make sure the kickback zone of the bar never touches any object. 1 The ...

  • Jonsered 2050 - page 6

    6 – English 6 The way the chain brake is triggered, either manually or automatically, depends on the force of the kickback and the position of the chain saw in relation to the object that the kickback zone of the bar strikes. If you get a violent kickback while the kickback zone of the bar is farthest away from you the chain brake will be activat ...

  • Jonsered 2050 - page 7

    English – 7 ! 5 Vibration damping system Your chain saw is equipped with a vibration damping system that is designed to minimise vibrations and make operation easier. When you use a chain saw vibrations are generated by the uneven contact between the chain and the wood you are cutting. Cutting hardwoods (most broadleaf trees) creates more vibrati ...

  • Jonsered 2050 - page 8

    8 – English ! SAFETY INSTRUCTIONS 3 Checking the automatic brake Hold the chain saw over a stump or other firm object. Let go of the front handle so that the bar falls onto the stump. When the bar hits the stump the brake should be applied. 4 Checking the brake trigger Start the chain saw and place it on firm ground. Make sure the chain does not ...

  • Jonsered 2050 - page 9

    English – 9 SAFETY INSTRUCTIONS 4 Right hand guard Check that the right hand guard is not damaged and that there are no visible defects, such as cracks. 5 Vibration damping system Regularly check the vibration damping units for cracks or deformation Make sure the vibration damping units are securely attached to the engine unit and handles. 6 Stop ...

  • Jonsered 2050 - page 10

    10 – English ! 7 Muffler Never use a chain saw that has a faulty muffler. Regularly check that the muffler is securely attached to the chain saw. If the muffler on your saw is fitted with a spark arrestor mesh this must be cleaned regularly. A blocked mesh will cause the engine to overheat and may lead to serious damage. Never use a muffler if th ...

  • Jonsered 2050 - page 11

    English – 11 ! SAFETY INSTRUCTIONS C Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomes worn or damaged you will need to replace it. Use only the type of bar and chain recommended by us. See the ”Technical data” section to find out which equipment is recommended for your saw. Bar • LENGTH (i ...

  • Jonsered 2050 - page 12

    12 – English SAFETY INSTRUCTIONS 2 Sharpening your chain and adjusting raker clearance The risk of kickback is increased with a badly sharpened chain! A General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the bar through the wood and the cuttings will be ver ...

  • Jonsered 2050 - page 13

    English – 13 ! C General advice on setting raker clearance • When you sharpen the cutting teeth you reduce the RAKER CLEARANCE (cutting depth). To maintain cutting performance you must file back the raker teeth to the recommended height. See the ”Technical data” section to find the raker clearance for your saw chain. • On a low-kickback c ...

  • Jonsered 2050 - page 14

    14 – English SAFETY INSTRUCTIONS ! 4 Lubricating cutting equipment Poor lubrication of cutting equipment may cause the chain to snap and lead to serious, even fatal injuries. A Chain oil • Chainsaw chain oil must demonstrate good adhesion to the chain and also maintain its flow caracteristics regardless of whether it is warm summer or cold wint ...

  • Jonsered 2050 - page 15

    English – 15 C Checking chain lubrication • Check the chain lubrication each time you refuel. Aim the tip of the saw at a light coloured surface about 20 cm away. After 1 minute running at 3/4 throttle you should see a distinct line of oil on the light surface. If the chain lubrication is not working: 1 Check that the oil channel in the bar is ...

  • Jonsered 2050 - page 16

    16 – English H 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 one side of the bar tip this is due to a slack chain. ? ...

  • Jonsered 2050 - page 17

    English – 17 6 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 saw back towards the user. Unless the user resists this pushing force there is a risk that the saw will move so far backwards that only the kickback ...

  • Jonsered 2050 - page 18

    18 – English SAFETY INSTRUCTIONS GENERAL SAFETY PRECAUTIONS 1 Chain saws are designed solely for cutting wood. The only cutting equipment that can be used with this chain saw are the combinations of bars and chains recommended in the ”Technical data” section. 2 Never use a chain saw if you are tired, if you have drunk alcohol, or if you are t ...

  • Jonsered 2050 - page 19

    English – 19 ! SAFETY INSTRUCTIONS GENERAL WORKING INSTRUCTIONS This section describes basic safety rules for using a chain saw. This information is no substitute for professional skills and experience. If you get into a situation where you feel unsafe, stop and seek expert advice (look under FORESTRY SERVICES in the telephone directory). DO NOT ...

  • Jonsered 2050 - page 20

    20 – English ! SAFETY INSTRUCTIONS Two factors decide whether the chain will jam or the log will split. The first is how the log is supported and the second is whether it is in tension. In most cases you can avoid these problems by cutting in two stages; from the top and from the bottom of the log. You need to support the log so that it will not ...

  • Jonsered 2050 - page 21

    English – 21 SAFETY INSTRUCTIONS 2 The log is supported at one end. There is a high risk that it will split. A Start by cutting from below (about 1/3 of the way through). B Finish by cutting from above so that the two cuts meet. 3 The log is supported at both ends. There is a high risk that the chain will jam. A Start by cutting from above (about ...

  • Jonsered 2050 - page 22

    22 – English SAFETY INSTRUCTIONS 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 with the bottom edge of the bar. Make the FELLING CUT about 3-5 cm (1.5-2 inches) above the flat section of the DIRECTIONAL CUT. Use full throttle and bring the bar ...

  • Jonsered 2050 - page 23

    English – 23 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 CUT with single cutting stokes. (See ”Technical data” to find out which lengths of bar are recommended for your saw). There are methods for felling trees with a diameter larger than the bar length. Ho ...

  • Jonsered 2050 - page 24

    24 – English WHA T IS WHA T? What is what? 1. Cylinder cover. 2. Front handle. 3. Front hand guard. 4. Starter cover. 5. Chain oil tank. 6. Starter handle. 7. Adjuster screw, carburetor. 8. Choke control/Start throttle lock. 9. Rear handle. 10. Stop switch. Ignition on/off switch. 11. Fuel tank. 12. Muffler. 13. Bar tip sprocket. 14. Saw chain. 1 ...

  • Jonsered 2050 - page 25

    English – 25 ! Mounting guide bar and chain Always wear gloves, when working with the chain, in order to protect your hands from injury. Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. Take off the bar nuts and remove the clutch cover. Take off the transportation ring (A). Fit the bar ...

  • Jonsered 2050 - page 26

    26 – English Fuelmix Gasoline • This engine is certified to operate on unleaded gasoline. • Use good quality unleaded gasoline. • The lowest recommended octane rating is 87. If you run the engine on lower octane rating than 87 so- called “knocking“ can occur. This leads to an increased engine temperature, which can result in a serious e ...

  • Jonsered 2050 - page 27

    English – 27 ! Fuelling Taking the following precautions, will lessen the risk of fire. • Do not smoke or place warm objects in the vicinity of the fuel. • Always shut off the engine before refuelling. • Slowly open the fuel cap, when filling fuel, so that possible overpressure is slowly released. • Tighten the fuel cap carefully after fu ...

  • Jonsered 2050 - page 28

    28 – English Start Grip the front handle with your left hand and hold the saw down by putting your right foot in the rear handle. Pull the starter handle with your right hand and pull out the starter cord slowly until the starter pawls engage. Then pull sharply. Push in the choke control immediately when the engine ignites and make repeated start ...

  • Jonsered 2050 - page 29

    English – 29 Carburetor Your Jonsered product has been designed and manufactured to specifications that reduce harmful emissions. After your unit has been run 8-10 tanks of fuel the engine has broken in. To ensure that your unit is at peak performance and producing the least amount of harmful emissions after break in, have your authorized servici ...

  • Jonsered 2050 - page 30

    30 – English Changing the broken recoil spring • Lift the starter pulley. (See, ”Changing a broken or worn starter cord” ). The recoil spring is disassembled from the starter device, with its inside facing down. Tap the starter lightly against a working bench or similar. • Put a new recoil spring in the right position. If the spring pops ...

  • Jonsered 2050 - page 31

    English – 31 Needle bearing maintenance The clutch drum is equipped with one of the following chain sprockets: • Spur sprocket (A) (the chain sprocket is welded on the drum) • Rim sprocket (B) (exchangeable) Both versions have buit-in needle bearing at the drive shaft, whitch has to be greased regularly (once a week). NOTE! Use only high qual ...

  • Jonsered 2050 - page 32

    32 – English Cooling system To obtain the lowest possible running temperature the saw is equipped with a cooling system.The cooling system consists of: 1. Air intake on the starter unit. 2. Air guide plate. 3. Fan blades on the flywheel. 4. Cooling fins on the cylinder. 5. Cylinder cowling (supplies cold air over the cylinder). Clean the cooling ...

  • Jonsered 2050 - page 33

    English – 33 MAINTENANCE W eekly maintenance 1. Check that the AV elements are not soft or torn. 2. Lubricate the clutch drum bearing. 3. File off burrs, if any, on the sides of the bar. 4. Clean the spark plug and check the gap. The correct gap is 0.5 mm (.020 inch). 5. Check the starter and the recoil spring. Clean the fins on the flywheel. 6. ...

  • Jonsered 2050 - page 34

    34 – English Engine Cylinder volume, cu.in/cm 3 Cylinder bore, inch/mm Stroke, inch/mm Idle speed, rpm Power, kW/rpm Ignition system Manufacture Type of ignition system Spark plug Electrode gap, inch/mm Fuel and lubrication system Manufacturer Carburetor type Fuel capacity, US pint/litre Oil pump capacity at 6000 rpm, ml/min Oil capacity, US pint ...

  • Jonsered 2050 - page 35

    English – 35 FEDERAL EMISSION CONTROL W ARRANTY ST A TEMENT WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be perfor- med at no charge to the owner at an approved Husqvarna AB servicing dealer. If you have any questions regarding your warranty rights and responsibilities, you should contact your ne ...

  • Jonsered 2050 - page 36

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Manufacturer Jonsered Category Chainsaw

Documents that we receive from a manufacturer of a Jonsered 2050 can be divided into several groups. They are, among others:
- Jonsered technical drawings
- 2050 manuals
- Jonsered product data sheets
- information booklets
- or energy labels Jonsered 2050
All of them are important, but the most important information from the point of view of use of the device are in the user manual Jonsered 2050.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Jonsered 2050, service manual, brief instructions and user manuals Jonsered 2050. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Jonsered 2050.

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A complete manual for the device Jonsered 2050, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Jonsered 2050 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Jonsered 2050.

A complete Jonsered manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Jonsered 2050 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Jonsered 2050, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Jonsered 2050, that we can find in the current document
3. Tips how to use the basic functions of the device Jonsered 2050 - which should help us in our first steps of using Jonsered 2050
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Jonsered 2050
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Jonsered 2050 in a specific country, if it was not possible to solve the problem on our own.

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