KEY TO SYMBOLS Symbols Only use non-metallic, flexible cutting WARNING! A clearing saw, brushcutter or attachments, i.e. trimmer heads with trimmer can be dangerous if used trimmer cord. incorrectly or carelessly, and can cause serious or fatal injury to the operator or others.
CONTENTS Contents Note the following before starting: KEY TO SYMBOLS Please read the operator’s manual carefully. Symbols ............... CONTENTS WARNING! Long-term exposure to noise can Contents ..............result in permanent hearing impairment. So Note the following before starting: ........ always use approved hearing protection. INTRODUCTION Dear Customer, ............
If you will sell this machine, make sure that the buyer will get the operator′s manual. Good luck on using your Jonsered machine! Jonsered has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice.
WHAT IS WHAT? What is what on the brushcutter? 1 Blade 17 Support cup 2 Grease filler cap, bevel gear 18 Drive disc 3 Bevel gear 19 J-handle 4 Cutting attachment guard 20 Trimmer head 5 Shaft 21 Socket spanner 6 Start throttle button 22 Operator′s manual 7 Throttle control...
GENERAL SAFETY PRECAUTIONS Important WARNING! Listen out for warning signals or shouts when you are wearing hearing protection. Always remove your hearing IMPORTANT! protection as soon as the engine stops. The machine is only designed for trimming grass. HELMET The only accessories you can operate with this engine unit A protective helmet where there is a risk of falling objects are the cutting attachments we recommend in the chapter on Technical data.
GENERAL SAFETY PRECAUTIONS Machine′s safety equipment Check that the throttle control and throttle lockout move freely and that the return springs work properly. This section describes the machine′s safety equipment, its purpose, and how checks and maintenance should be carried out to ensure that it operates correctly.
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GENERAL SAFETY PRECAUTIONS Vibration damping system Muffler Your machine is equipped with a vibration damping system The muffler is designed to keep noise levels to a minimum that is designed to minimize vibration and make operation and to direct exhaust fumes away from the user. A muffler easier.
GENERAL SAFETY PRECAUTIONS WARNING! Bear in mind that: The exhaust WARNING! Using an incorrect cutting fumes from the engine are hot and may attachment or an incorrectly sharpened contain sparks which can start a fire. Never blade increases the risk of blade thrust. start the machine indoors or near combustible material! Cutting equipment...
GENERAL SAFETY PRECAUTIONS • Sharpen all edges equally to maintain the balance of the blade. WARNING! Always discard a blade that is bent, twisted, cracked, broken or damaged in any other way. Never attempt to straighten a twisted blade so that it can be reused. Only use original blades of the specified type.
ASSEMBLY Assembling the flexible shaft Connecting throttle cable and stop switch wires 1 Remove the screw and insert the outer fitting (with o-ring) into the joint pipe (A), and tighten the screw. 1 Insert the throttle cable (A) through the carburettor bracket (B), then screw the cable adjuster sleeve (C) into the carburettor bracket fully.
ASSEMBLY Fitting the cord cutter and guard extension 7 Bind the throttle cable (J) and the flexible shaft (K) with two bands (L). to the trimmer guard • Attach the cord cutter to the guard extension with screw and square nut as shown. •...
ASSEMBLY Fitting the transport guard guard as possible. To tighten the nut, turn the spanner in the opposite direction to the direction of rotation (Caution! 1 Insert the tips of the blade into the grooves in the transport left-hand thread). guard (A).
• The transport guard must always be fitted to the cutting • For best results and performance use JONSERED two- attachment when the machine is being transported or in stroke engine oil, which is specially formulated for our air- storage.
FUEL HANDLING Mixing Fuelling • Always mix the petrol and oil in a clean container intended for fuel. • Always start by filling half the amount of the petrol to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture.
STARTING AND STOPPING Check before starting Starting and stopping • Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole. The most WARNING! The complete clutch cover and common reason why cracks are formed is that sharp shaft must be fitted before the machine is corners have been formed at the bottom of the teeth while started, otherwise the clutch can come loose...
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STARTING AND STOPPING some resistance (the starter pawls grip), now quickly and powerfully pull the cord. Never twist the starter cord around your hand. Repeat pulling the cord until the engine starts. When the engine starts, return choke control to run position. CAUTION! Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended.
WORKING TECHNIQUES General working instructions 9 Never put the machine down with the engine running unless you have it in clear sight. IMPORTANT! WARNING! Neither the operator of the This section describes the basic safety precautions for machine nor anyone else may attempt to working with clearing saws and trimmers.
WORKING TECHNIQUES Grass clearing using a grass blade • Reduce the risk of damaging plants by shortening the cord to 10-12 cm and reducing the engine speed. Clearing • The clearing technique removes all unwanted vegetation. • Grass blades and grass cutters must not be used on Keep the trimmer head just above the ground and tilt it.
MAINTENANCE Carburettor blocked, this can be a sign that the performance of the catalytic converter is impaired. Contact your dealer to inspect the muffler. A blocked mesh will cause the machine to Adjusting the idle speed (T) overheat and result in damage to the cylinder and piston. Check that the air filter is clean.
MAINTENANCE • Excessive fuel consumption. • Lift up the locking button that holds the drive shaft sleeve in the clutch cover. • Remove the clip that holds the throttle wire against the drive shaft. Clean the filter every 25 hours, or more regularly if conditions are exceptionally dusty.
Check that the spark plug is fitted with a suppressor. that the bevel gear is filled 3/4 full with grease. Use JONSERED special grease. The grease in the bevel gear does not normally need to be changed except if repairs are carried out.
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. The user must only carry out the maintenance and service work described in this Operator’s Manual. More extensive work must be carried out by an authorized service workshop.
EC-declaration of conformity (Applies to Europe only) We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare that the brush cutters Jonsered BP2053 with serial numbers dating from 2009 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE:...