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Operator ' s manual
343F 345F
343R 345R
Please read the operator's manual carefully and make sure you
E E E E n n n n g g g g l l l l i i i i s s s s h h h h
understand the instructions before using the machine.


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   Summary of Contents for Husqvarna 343F

  • Page 1

    Operator ′ s manual 343F 345F 345F 343R 345R Please read the operator’s manual carefully and make sure you E E E E n n n n g g g g l l l l i i i i s s s s h h h h...

  • Page 2: Key To Symbols

    KEY TO SYMBOLS Symbols Noise emission to the environment according to the European Community’s Directive. The machine’s emission is specified in chapter WARNING! Clearing saws, brushcutters and Technical data and on label. trimmers can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others.

  • Page 3: Table Of Contents

    Non-authorized What is what on the clearing saw? (343R, 345RX) ..modifications and/or accessories can result What is what on the clearing saw? (343F, 345FX, in serious personal injury or the death of the 345FXT) ................ operator or others.

  • Page 4: Introduction

    Dear Customer, Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Charles XI ordered the construction of a factory on the banks of the Husqvarna River, for production of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the water-powered plant.

  • Page 5: What Is What

    WHAT IS WHAT? What is what on the clearing saw? (343R, 345RX) 1 Grass blade 19 Support cup 2 Grease filler cap, bevel gear 20 Support flange 3 Bevel gear 21 Drive disc 4 Cutting attachment guard 22 Trimmer head 5 Shaft 23 Spark plug cap and spark plug 6 Handlebar...

  • Page 6: What Is What On The Clearing Saw? (343f, 345fx, 345fxt)

    WHAT IS WHAT? What is what on the clearing saw? (343F, 345FX, 345FXT) 1 Saw blade 16 Air filter cover 2 Grease filler cap, bevel gear 17 Handle adjustment 3 Bevel gear 18 Locking nut 4 Cutting attachment guard 19 Support flange...

  • Page 7: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Important HELMET A helmet should be worn if the trees being cleared are taller than 2 m. IMPORTANT! The machine is only designed for trimming grass, grass clearing and/or forestry clearing. The only accessories you can operate with this engine unit HEARING PROTECTION are the cutting attachments we recommend in the chapter on Technical data.

  • Page 8: Machine ' S Safety Equipment

    GENERAL SAFETY PRECAUTIONS Machine ′ ′ ′ ′ s safety equipment Press the throttle lock and make sure it returns to its original position when you release it. 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.

  • Page 9

    GENERAL SAFETY PRECAUTIONS Cutting attachment guard Regularly check the vibration damping units for cracks or deformation. Check that the vibration damping element is undamaged and securely attached. WARNING! Overexposure to vibration can This guard is intended to prevent loose objects from being lead to circulatory damage or nerve damage thrown towards the operator.

  • Page 10

    GENERAL SAFETY PRECAUTIONS Locking nut For mufflers it is very important that you follow the instructions on checking, maintaining and servicing your machine. See instructions under the heading Checking, maintaining and servicing the machine’s safety equipment. Never use a machine that has a faulty muffler. A locking nut is used to secure some types of cutting attachment.

  • Page 11: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Cutting equipment General rules This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of blade thrust. Only use cutting attachments with the guards we recommend! See the chapter on Technical data. •...

  • Page 12: Trimmer Head

    GENERAL SAFETY PRECAUTIONS Sharpening grass cutters and grass Adjust the blade setting. This should be 1 mm. blades • See the cutting attachment packaging for correct sharpening instructions. Sharpen blades and cutters using a single-cut flat file. • Sharpen all edges equally to maintain the balance of the blade.

  • Page 13: Assembly

    ASSEMBLY Assembling the handlebar and Transport position, handlebar throttle • The handlebar can easily be turned to fit along the shaft for easier transportation and storage. CAUTION! Some models have the throttle handle fitted at the factory. • Loosen the knob. Turn the handlebar clockwise so that the throttle handle rests against the engine.

  • Page 14: Fitting The Blade Guard/combination Guard, Grass Blade And Ball-bearing-mounted Support Cup

    Insert the locking pin (C) in the hole to lock the shaft. data. • Position the blade (D) with the drive disk (B). Make sure 343F, 345FX, 345FXT that the blade is centered by fitting it to the guide on the drive disk. •...

  • Page 15: Fitting The Trimmer Guard And Trimmer Head Trimmy Sii

    ASSEMBLY Fitting the trimmer guard and • Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing. trimmer head Trimmy SII • Insert the locking pin (C) in the hole to lock the shaft. •...

  • Page 16: Fitting Other Guards And Cutting Attachments

    ASSEMBLY Fitting other guards and cutting Standard harness attachments Safety release Fit the trimmer guard/combination guard (A) intended for use At the front is an easily accessible, quick release. Use this if with the trimmer head/plastic blades. Hang the trimmer the engine catches fire or in any other emergency situation guard/combination guard (A) on the two hooks on the plate that requires you to free yourself from the machine and...

  • Page 17: Triobalance Harness

    ASSEMBLY Triobalance harness 6 The elastic strap (B) can be tightened to transfer more load from the shoulder straps to the hip strap. Safety release Push down the red release lever to release the machine from the harness. Correct balance 1 Forestry clearing The machine is balanced by moving the support ring on Adjusting the harness...

  • Page 18: Fuel Handling

    • The transport guard must always be fitted to the cutting • For best results and performance use HUSQVARNA two- attachment when the machine is being transported or in stroke engine oil, which is specially formulated for our air- storage.

  • Page 19: Fuelling

    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.

  • Page 20: Starting And Stopping

    Use the same starting procedure as for a cold engine but without setting the choke control in the choke position. Start throttle: (343F, 345FX, 345FXT, 343R, 345RX) Set the throttle to the start position by moving the choke control to the choke position and then returning it to its original •...

  • Page 21

    The part throttle function does not lock the engine at a given rpm, it is simply a brake that makes it easier to maintain the engine at a given rpm. 343F, 345FX, 345FXT Starting WARNING! When the engine is started with...

  • Page 22: Working Techniques

    WORKING TECHNIQUES General working instructions 6 Never put the machine down with the engine running unless you have it in clear sight. The ABC of clearing IMPORTANT! This section describes the basic safety precautions for • Always use the correct equipment. working with clearing saws and trimmers.

  • Page 23

    WORKING TECHNIQUES Working methods • To fell to the left, the bottom of the tree should be pushed to the right. Tilt the blade and bring it diagonally down to the right, exerting firm pressure. At the same time push WARNING! Avoid cutting with the area of the the stem using the blade guard.

  • Page 24

    WORKING TECHNIQUES • If the blade jams in a stem, never jerk the machine free. If 1 Always work at full throttle. you do this the blade, bevel gear, shaft or handlebar may 2 Avoid the previously cut material during the return be damaged.

  • Page 25

    WORKING TECHNIQUES 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 26: Maintenance

    The T-screw regulates the throttle setting at idle speed. If the T-screw is turned clockwise this gives a higher idle speed; turning it anti-clockwise gives a lower idle speed. Your Husqvarna product has been designed and manufactured to specifications that reduce harmful Basic setting emissions.

  • Page 27

    343R, 345RX: Speed control at: 12500 rpm 343F, 345FX, 345FXT: Speed control at: 13500 rpm When attempting to adjust the speed over that specified, the speed is not changed, but only causes the engine to receive too little fuel resulting in a large risk of engine failure.

  • Page 28: Muffler

    MAINTENANCE Adjusting the start throttle speed (343R, CAUTION! Never use a machine with a defective muffler. 345RX) WARNING! Mufflers fitted with catalytic The correct start throttle speed is set by means of an adjuster converters get very hot during use and on the rear of the handle next to the cable.

  • Page 29: Bevel Gear

    Oiling the air filter Spark plug Always use HUSQVARNA filter oil, art. no. 531 00 92-48. The filter oil contains a solvent to make it spread evenly through the filter. You should therefore avoid skin contact. The spark plug condition is influenced by: Put the filter in a plastic bag and pour the filter oil over it.

  • Page 30: Winter Use

    MAINTENANCE Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by: • Too low engine temperature. • Icing of the air filter and carburettor. Special measures are therefore often required: • Partly mask the air inlet on the starter to increase the working temperature of the engine.

  • Page 31: Maintenance Schedule

    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 authorised service workshop.

  • Page 32: Technical Data

    TECHNICAL DATA Technical data 343R 345RX 343F Engine Cylinder displacement, cm Cylinder bore, mm Stroke, mm 32,5 32,5 32,5 Idle speed, rpm 2800 2800 2800 Recommended max. speed, rpm 12500 12500 13500 Speed of output shaft, rpm 9000 9000 10500 Max.

  • Page 33

    TECHNICAL DATA 345FX 345FXT Engine Cylinder displacement, cm Cylinder bore, mm Stroke, mm 32,5 32,5 Idle speed, rpm 2800 2800 Recommended max. speed, rpm 13500 13500 Speed of output shaft, rpm 10500 10500 Max. engine output, acc. to ISO 8893, kW/ rpm 2,1/9600 2,1/9600 Catalytic converter muffler...

  • Page 34: Ec-declaration Of Conformity (applies To Europe Only)

    EC-declaration of conformity (Applies to Europe only) We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare that the clearing saws Husqvarna 343F, 345FX/FXT, 343R and 345RX with serial numbers dating from 2002 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE:...

  • Page 36

    Trimmy SII 7,0 m 12 cm 5" ~ 3,5 m ~ 15 cm "Clic" 35-50 NM...

  • Page 38

    Auto 55 >1,1 Kw <1,1 Kw 2,7 mm - 9,0 m 3,0 mm - 7,5 m 3,3 mm - 6,0 m 15 cm 6" 15 cm 6" 15 cm 15 cm 6" 6" ´®z+R!r¶6D¨ ´®z+R!r¶6D¨...

  • Page 39

    10 m 10 cm 4" 4,3 m 15 cm "Clic" 6"...

  • Page 40

    1150018-26 ´®z+R!r¶6D¨ ´®z+R!r¶6D¨ 2005-01-13...

This manual also for:

345fx, 345fxt, 343r, 345rx

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