Husqvarna 143R-II Operator's Manual
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Husqvarna 143R-II Operator's Manual

Husqvarna brush cutter operator's manual
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  • Page 2: Key To Symbols

    Symbols WARNING! A clearing saw, brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of this operator’s manual.

  • Page 3: Table Of Contents

    Contents KEY TO SYMBOLS Symbols ... 2 CONTENTS Contents ... 3 Note the following before starting: ... 3 INTRODUCTION Dear Customer, ... 4 WHAT IS WHAT? What is what on the brushcutter? ... 5 GENERAL SAFETY PRECAUTIONS Important ... 6 Personal protective equipment ...

  • Page 4: Introduction

    Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Husqvarna River, for production of muskets.

  • Page 5: What Is What

    What is what on the brushcutter? Blade (Not all markets) 2-teeth blade (Not all markets) Grease filler cap, bevel gear Bevel gear Cutting attachment guard Shaft Start throttle / Stop switch Throttle control Throttle lockout 10 Suspension ring 11 Cylinder cover 12 Starter handle 13 Fuel tank 14 Choke control...

  • Page 6: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Important IMPORTANT! The machine is only designed for trimming grass. The only accessories you can operate with this engine unit are the cutting attachments we recommend in the chapter on Technical data. Never use the machine if you are tired, if you have drunk alcohol, or if you are taking medication that could affect your vision, your judgement or your co-ordination.

  • Page 7: Machine's Safety Equipment

    GENERAL SAFETY PRECAUTIONS BOOTS Wear boots with steel toe-caps and non-slip sole. CLOTHING Wear clothes made of a strong fabric and avoid loose clothing that can catch on twigs and branches. Always wear heavy, long pants. Do not wear jewellery, shorts sandals or go barefoot.
  • Page 8 GENERAL SAFETY PRECAUTIONS be checked. See instructions under the heading Maintenance. Stop switch Use the stop switch to switch off the engine. (A) Stop (B) Start (C) Stop switch Start the engine and make sure the engine stops when you move the stop switch to the stop setting. Cutting attachment guard This guard is intended to prevent loose objects from being thrown towards the operator.
  • Page 9 GENERAL SAFETY PRECAUTIONS Quick release There is an easily accessible, quick release fitted at the front as a safety precaution in case the engine catches fire, or in any other situation that requires you to free yourself from the machine and harness. See instructions under the heading Adjusting the harness and clearing saw.

  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS 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 performance. • Extend the life of cutting equipment. IMPORTANT! Only use cutting attachments with the guards we recommend! See the chapter on Technical data.

  • Page 11: Trimmer Head

    GENERAL SAFETY PRECAUTIONS Trimmer head IMPORTANT! Always ensure the trimmer cord is wound tightly and evenly around the drum, otherwise the machine will generate harmful vibration. • Only use the recommended trimmer heads and trimmer cords. These have been tested by the manufacturer to suit a particular engine size.

  • Page 12: Assembly

    Fitting the main body Connect the engine (A) to the tube (B) with four screws (C). Assembling the handlebar and throttle • Fit the handlebar in the handlebar clamp on the shaft using four screws. • Attach the cabling to the shaft with two cabling holders.

  • Page 13: Fitting Blades And Trimmer Heads

    and the cable position keep 1-2mm play between the cable lug and the slotted fitting when the throttle trigger is fully depressed. 1-2mm When the throttle cable is adjusted correctly, tighten the lock-nut (F) and the M3 screw (G). Plug the stop switch wires (H) into the matching connectors from the engine.

  • Page 14: Fitting The Guard Extension

    Fitting the guard extension CAUTION! The guard extension shall always be fitted when using the trimmer head/plastic blades and combination guard. The guard extension shall always be removed when using the grass blade and combination guard. Hook the blade guard/combination guard (A) onto the fitting on the shaft and secure with the bolt.

  • Page 15: Fitting The Transport Guard

    • Insert the locking pin (C) in the hole to lock the shaft. • Screw on the trimmer head/plastic blades (H) in the opposite direction to the direction of rotation. • To dismantle, follow the instructions in the reverse order. Fitting the transport guard Insert the blade in the transport guard (A).

  • Page 16: Fuel Handling

    When working at continuous high revs a higher octane rating is recommended. Two-stroke oil • For best results and performance use HUSQVARNA two-stroke engine oil, which is specially formulated for our air-cooled two-stroke engines. • Never use two-stroke oil intended for water-cooled engines, sometimes referred to as outboard oil (rated TCW).

  • Page 17: Fuelling

    Mixing • 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. Add the remaining amount of petrol.

  • Page 18: Starting And Stopping

    Check before starting • Never use the machine without a guard nor with a defective guard. • All covers must be correctly fitted and undamaged before you start the machine. • Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole.
  • Page 19 Primer bulb: Press the air purge repeatedly until fuel begins to fill the bulb. The bulb need not be completely filled. Choke: Set the choke control in the choke position. (1) Choke control (2) Choke position (3) Open position WARNING! When the engine is started with the choke in either the choke or start throttle positions the cutting attachment will start to rotate...

  • Page 20: Working Techniques

    General working instructions IMPORTANT! This section describes the basic safety precautions for working with clearing saws and trimmers. If you encounter a situation where you are uncertain how to proceed you should ask an expert. Contact your dealer or your service workshop. Avoid all usage which you consider to be beyond your capability.

  • Page 21: Basic Working Techniques

    Basic working techniques Always slow the engine to idle speed after each working operation. Long periods at full throttle without any load on the engine can lead to serious engine damage. WARNING! Sometimes branches or grass get caught between the guard and cutting attachment.
  • Page 22 Cutting • The trimmer is ideal for cutting grass that is difficult to reach using a normal lawn mower. Keep the cord parallel to the ground when cutting. Avoid pressing the trimmer head against the ground as this can ruin the lawn and damage the tool.

  • Page 23: Maintenance

    Carburettor Adjusting the idle speed (T) Check that the air filter is clean. When the idle speed is correct, the cutting attachment should not rotate. If adjustment is required, close (turn clockwise) the idle adjustment screw T, with the engine running, until the cutting attachment starts to rotate.

  • Page 24: Air Filter

    However, before using the machine you should check that the bevel gear is filled three-quarters full with grease. Use HUSQVARNA special grease. The grease in the bevel gear does not normally need to be changed except if repairs are carried out.

  • Page 25: Maintenance Schedule

    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.

  • Page 26: Technical Data

    NOTE! The noise pressure level at operator’s ear and vibrations on the handles are measured with all the approved cutting attachments for the machine. The table indicates the lowest and highest values. 26 – English TECHNICAL DATA 143R-II 41,5 2500 12000...

  • Page 27: Ec-Declaration Of Conformity

    We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare that the clearing saws Husqvarna 143R-II with serial numbers dating from 2008 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE: - of June 22, 1998 ”relating to machinery”...
  • Page 29 8,5 m 10 cm 4" 4,2 m "Clic" 15 cm 6"...
  • Page 30 4,25 m 4,25 m 15 cm 6" 15 cm 6"...
  • Page 31 T35, T35x 15 cm 6" 8,5 m 10 cm 4" 4,3 m "Clic"...
  • Page 32 T45, T45x 15 cm 6" 10 m 10 cm 4" 4,3 m "Clic"...
  • Page 33 T55x 15 cm 6" A 2,7 - 4,0 mm / .105 - .160" B 8 m / 26’ C 15 cm / 5.9" "Clic"...
  • Page 34 Trimmy SII ~ 15 cm 35-50 NM 7,0 m 12 cm 5" ~ 3,5 m "Clic"...

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