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Manual Jonsered GR50

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  • Jonsered GR50 - page 1

    GR41 GR50 RS44 RS52 Operator’ s manual (EP A) Please read the operator’ s manual carefully and make sure y ou understand the instructions before using the machine. ...

  • Jonsered GR50 - page 2

    2 – English KEY T O SYMBOLS Symbols W ARNING! Clear ing saws , brushcutters and trimmers can be dangerous! Careless or incorrect use can result in serious or fatal injur y to the operator or others. Please read the operator’ s manual carefully and make sure y ou understand the instructions before using the machine . Alwa ys wear : • A protect ...

  • Jonsered GR50 - page 3

    English – 3 CONTENTS Contents Note the f ollowing bef ore star ting: Please read the operator’ s manual carefully . Long-term exposure to noise can result in permanent hear ing impairment. So alwa ys use approved hearing protection. Maintenance, replacement, or repair of the emission control de vices and system may be perf or med by an y nonroa ...

  • Jonsered GR50 - page 4

    4 – English INTR ODUCTION Dear customer! Congratulations on y our choice to buy a Jonsered product! Y our purchase giv es you access to prof essional help with repairs and ser vice whenev er this ma y be necessar y . If the retailer wh o sells your machine is not one of our authorized dealers , ask f or the address of your nearest servicing deale ...

  • Jonsered GR50 - page 5

    5 – English WHA T IS WHA T? What is what on the c learing saw? (RS44) 23 24 1 Blade 2 Grease fi ller cap , be vel gear 3 Be vel gear 4 Cutting attachment guard 5 Shaft 6 Handlebar 7 Throttle control 8 Stop s witch 9 Throttle lock 10 Suppor t ey es for harness 11 Cylinder cov er 12 Star ter handle 13 Fuel tank 14 Choke control 15 Handle adjustmen ...

  • Jonsered GR50 - page 6

    English – 6 WHA T IS WHA T? What is what on the c learing saw? (RS52) 1 Blade 2 Grease fi ller cap , be vel gear 3 Be vel gear 4 Cutting attachment guard 5 Shaft 6 Handlebar 7 Throttle control 8 Stop s witch 9 Throttle lock 10 Suppor t ey es for harness 11 Cylinder cov er 12 Star ter handle 13 Choke control 14 Air fi lter 15 Fuel tank 16 Sock e ...

  • Jonsered GR50 - page 7

    English – 7 GENERAL SAFETY PRECA UTIONS Impor tant P ersonal pr otective equipment HELMET A helmet should be worn if the trees being cleared are taller than 2 m. HEARING PRO TECTION W ear hearing protection that provides adequate noise reduction. EYE PRO TECTION Alwa ys wear approv ed ey e protection. If you use a visor then you m ust also wear a ...

  • Jonsered GR50 - page 8

    8 – English GENERAL SAFETY PRECA UTIONS Machine ′′ ′ ′ s safety equipment This section describes the machine ′ s saf ety equipment, its pur pose, and ho w checks and maintenance should be carried out to ensure that it operates correctly . See the ”What is what?” section to locate where this equipment is positioned on your machine . ...

  • Jonsered GR50 - page 9

    English – 9 GENERAL SAFETY PRECA UTIONS Cutting attachment guar d This guard is intended to pre vent loose objects from being thrown to wards the operator . The guard also protects the operator from accidental contact with the cutting attachment. Check that the guard is undamaged and not cr ack ed. Replace the guard if it has been e xposed to imp ...

  • Jonsered GR50 - page 10

    10 – English GENERAL SAFETY PRECA UTIONS F or muf fl ers it is v er y impor tant that you f ollow the instructions on checking, maintaining and servicing your machine. See instructions under the heading Checking, maintaining and ser vicing the machine’ s safety equipment. Ne ver use a machine that has a f aulty muf fl er . Regularly check tha ...

  • Jonsered GR50 - page 11

    English – 11 GENERAL SAFETY PRECA UTIONS Cutting equipment This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of blade thrust. • Obtain maximum cutting perf or mance. • Extend the lif e of cutting equipment. Cutting equipment Saw b lades are intended for cutting fi brous types of wood. G ...

  • Jonsered GR50 - page 12

    12 – English GENERAL SAFETY PRECA UTIONS • Shar pen all edges equally to maintain the balance of the blade . Sharpening the saw b lade • See the cutting attachment packaging f or correct shar pening instructions. A correctly shar pened blade is essential f or working ef fi ciently and to av oid unnecessar y wear to the blade and clearing saw ...

  • Jonsered GR50 - page 13

    English – 13 ASSEMBL Y Assembling the handlebar and thr ottle • Unscrew the knob from the handlebar mounting. • P osition the handlebar as shown. Fit the mounting components and tighten the knob lightly . • Fit the right handle to the handlebar using the screw , washer , slee ve and n ut as shown. Tighten. • Put on the harness and hang th ...

  • Jonsered GR50 - page 14

    14 – English ASSEMBL Y • Fit the suppor t fl ange (F) on the output shaft. Make sure that the blade is centered b y fi tting it to the guide on the suppor t fl ange. • Screw the support cup (E) onto the output shaft threads (CA UTION! Left-hand thread). Tighten to a torque of 35- 50 Nm (3.5-5.0 kpm). Use the sock et spanner in the tool kit ...

  • Jonsered GR50 - page 15

    English – 15 ASSEMBL Y • Tighten the trimmer head to a torque of 35-50 Nm (3.5-5 kpm). • T o dismantle, f ollow the instructions in the rev erse order . Fitting other guar ds and cutting attachments Fit the trimmer guard/combination guard (A) intended for use with the trimmer head/plastic blades. Secure the tr immer guard using the 4 screws ( ...

  • Jonsered GR50 - page 16

    16 – English ASSEMBL Y 2 Grass clearing The machine should be suppor ted in a har ness when grass clearing so that the cutting equipment is parallel to the ground. V ector harness Safety release Push down the red release le ver to release the machine from the harness. Adjusting the harness 1 Tighten the hip strap so that it sits securely . 2 Tigh ...

  • Jonsered GR50 - page 17

    English – 17 FUEL HANDLING Fuel safety Ne ver start the machine: 1 If you ha ve spilt fuel on it. Wipe off the spillage and allow remaining fuel to e vapor ate. 2 If you ha ve spilt fuel on yourself or y our clothes, change your clothes . W ash any part of your body that has come in contact with fuel. Use soap and water . 3 If the machine is leak ...

  • Jonsered GR50 - page 18

    18 – English FUEL HANDLING Mixing • Alwa ys mix the gasoline and oil in a clean container intended f or fuel. • Alwa ys star t by fi lling 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 bef ore fi l ...

  • Jonsered GR50 - page 19

    English – 19 ST AR TING AND ST OPPING Chec k before starting • Check the b lade to ensure that no cracks hav e formed at the bottom of the teeth or by the centre hole . The most common reason wh y cracks are f or med is that shar p corners have been f or med at the bottom of the teeth while shar pening or that the blade has been used with dull ...

  • Jonsered GR50 - page 20

    20 – English ST AR TING AND ST OPPING Starting Hold the body of the machine on the ground using y our left hand (CA UTION! Not with your f oot!). Grip the star ter handle, slowly pull out the cord with y our right hand until you f eel some resistance (the star ter pawls grip), now quic kly and powerfully pull the cord. Never wrap the starter cord ...

  • Jonsered GR50 - page 21

    English – 21 W ORKING TECHNIQUES General w orking instructions Basic safety rules 1 Look around you: • T o ensure that people, animals or other things cannot aff ect your control of the machine . • T o ensure that people, animals, etc., do not come into contact with the cutting attachment or loose objects that are thrown out b y the cutting a ...

  • Jonsered GR50 - page 22

    22 – English W ORKING TECHNIQUES • W ork systematically to and fro across the area, clear ing a width of around 4-5 m on each pass. This exploits the full reach of the machine in both directions and gives the operator a con venient and v ar ied working area to work in. • Clear a strip around 75 m long. Move y our fuel can as work progresses. ...

  • Jonsered GR50 - page 23

    English – 23 W ORKING TECHNIQUES • With groups of hardwood stems , fi rst clear around the group . Star t by cutting the stems high up around the outside of the group to a void jamming. Then cut the stems to the required height. Now try to reach in with the blade and cut from the centre of the group . If it is still dif fi cult to gain access ...

  • Jonsered GR50 - page 24

    24 – English W ORKING TECHNIQUES Sweeping • The f an effect of the rotating cord can be used f or quick and easy clearing up. Hold the cord parallel to and abov e the area to be s wept and mov e the tool to and fro. • When cutting and s weeping you should use full throttle to obtain the best results. ...

  • Jonsered GR50 - page 25

    English – 25 MAINTENANCE Carb uretor Y our Jonsered product has been designed and manuf actured to speci fi cations that reduce harmful exhaust fumes. The engine will be run in after it has used 8-10 tanks of fuel. T o ensure that the engine runs at peak performance and produces as little harmful exhaust fumes as possible after the running-in pe ...

  • Jonsered GR50 - page 26

    26 – English MAINTENANCE Low speed jet L T r y to fi nd the highest idling speed, tur ning the low speed needle L clockwise respectiv ely counter-clockwise. When the highest speed has been f ound, tur n the low speed needle L 1/ 4 turn counter-clockwise. Fine adjustment of the idle speed T Adjust the idle speed using the idle adjustment screw T ...

  • Jonsered GR50 - page 27

    English – 27 MAINTENANCE Correctly adjusted carb uretor When the carburetor is correctly adjusted the machine will accelerate without hesitation and b urble a little at maximum speed. It is also impor tant that the cutting attachment does not rotate at idle. If the low speed jet L is set too lean it may cause star ting dif fi culties and poor ac ...

  • Jonsered GR50 - page 28

    28 – English MAINTENANCE Cleaning the air fi lter Remov e the air fi lter cover and tak e out the fi lter . Wash it clean in warm, soapy w ater . Ensure that the fi lter is dr y before re fi tting it. An air fi lter that has been in use f or a long time cannot be cleaned completely . The fi lter must therefore be replaced with a new one at ...

  • Jonsered GR50 - page 29

    English – 29 MAINTENANCE Maintenance schedule The f ollowing is a list of the maintenance that must be perf or med on the machine. Most of the items are described in the Maintenance section. The user must only carr y out the maintenance and ser vice work descr ibed in this manual. More extensiv e work must be carried out by an authorised ser vice ...

  • Jonsered GR50 - page 30

    30 – English TECHNICAL D A T A T echnical data Note 1: Equivalent noise pressure le v el is calculated as the time-weighted energy total f or noise pressure le vels under v ar ious working conditions with the follo wing time distr ibution: 1/2 idle and 1/2 max. speed. NO TE! Noise pressure at the user’s ear and vibr ation on the handles are mea ...

  • Jonsered GR50 - page 31

    English – 31 FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The EP A (The US Environmental Protection Agency), Environment Canada and Jonsered are pleased to e xplain the emissions control system warranty on y our 2001 and later small nonroad engine. In U.S . and Canada, new small nonroad engines must be d ...

  • Jonsered GR50 - page 32

    1 2 3 4 5 6 7 8 9 35-50 NM ~ 15 cm 6' "Clic" ~ 3,5 m 11 ' 7,0 m 23' 2,4-3,3 mm .095"-.130" 12 cm 5" T rimmy SII ...

  • Jonsered GR50 - page 33

    ...

  • Jonsered GR50 - page 34

    ´®z+R!o¶5*¨ ´®z+R!o¶5*¨ 2,7-3,3 mm .106-.130" 15 cm 6" 15 cm 6" 15 cm 6" 15 cm 6" 1 2 3 5 6 7 10 11 1.) 2.) >1,1 Kw <1,1 Kw 2,7 mm - 9,0 m 3,0 mm - 7,5 m 3,3 mm - 6,0 m 4 8 Auto 55 ...

  • Jonsered GR50 - page 35

    ...

  • Jonsered GR50 - page 36

    ´®z+R!o¶5*¨ 2005-09-28 ´®z+R!o¶5*¨ 1150017-95 ...

Manufacturer Jonsered Category Brush Cutter

Documents that we receive from a manufacturer of a Jonsered GR50 can be divided into several groups. They are, among others:
- Jonsered technical drawings
- GR50 manuals
- Jonsered product data sheets
- information booklets
- or energy labels Jonsered GR50
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 GR50.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Jonsered GR50, service manual, brief instructions and user manuals Jonsered GR50. 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 GR50.

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A complete manual for the device Jonsered GR50, 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 GR50 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Jonsered GR50.

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 GR50 - 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 GR50, 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 GR50, that we can find in the current document
3. Tips how to use the basic functions of the device Jonsered GR50 - which should help us in our first steps of using Jonsered GR50
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Jonsered GR50
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Jonsered GR50 in a specific country, if it was not possible to solve the problem on our own.

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