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Operator's manual (EPA)
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.


   Summary of Contents for Husqvarna 343F

  • Page 1

    Operator’s manual (EPA) 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 Always wear approved protective gloves. WARNING! Clearing saws, brushcutters and trimmers can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. Regular cleaning is required. Please read the operator’s manual carefully and make sure you understand the Visual check.

  • Page 3: Table Of Contents

    WHAT IS WHAT? What is what on the clearing saw? (343R, 345RX) ..WARNING! Under no circumstances may the What is what on the clearing saw? (343F, 345FX, design of the machine be modified without 345FXT) ................ the permission of the manufacturer. Always use genuine accessories.

  • 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 Karl XI ordered the construction of a factory on the banks of the Huskvarna 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: Sharpening The Saw Blade

    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

    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 • Turn the blade shaft until one of the holes in the drive disc • Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing. aligns with the corresponding hole in the gear housing. •...

  • Page 16: Adjusting The Harness And Clearing Saw

    ASSEMBLY Correct height • Screw on the trimmer head/plastic blades (H) in the opposite direction to the direction of rotation. 1 Forestry clearing • To dismantle, follow the instructions in the reverse order. The machine should be supported in a harness when forestry clearing so that the cutting equipment is angled Adjusting the harness and clearing slightly forwards in relation to the ground.

  • Page 17: Adjusting The Harness

    ASSEMBLY Adjusting the harness Correct balance 1 Tighten the hip strap so that it sits securely. 1 Forestry clearing The machine is balanced by moving the support ring on the machine forwards or backwards. On some models the support ring is fixed, however, this will then have a number of holes for the support hook.

  • Page 18: Fuel Handling

    • For best results and performance use HUSQVARNA two- • In order to prevent unintentional starting of the engine, the stroke engine oil, which is specially formulated for our air- spark plug cap must always be removed during long-term cooled two stroke-engines.

  • Page 19: Fueling

    FUEL HANDLING Mixing Fueling • Always mix the gasoline and oil in a clean container intended for fuel. • Always start by filling half the amount of the gasoline 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 • Start at whichever end of the area is easiest, and clear an • To fell to the right, the bottom of the tree should be pushed open space from which to work. to the left. Tilt the blade and bring it diagonally up to the right.

  • Page 24

    WORKING TECHNIQUES Brush cutting with a saw blade • Stop the engine, unclip the harness and place the machine on the ground before you start to collect the cut material. Grass trimming with a trimmer head • Thin stems and brush are mown down. Work with a sawing movement, swinging sideways.

  • Page 25

    WORKING TECHNIQUES • Do not allow the trimmer head to constantly come into contact with the ground during normal cutting. Constant contact of this type can cause damage and wear to the trimmer head. Sweeping • The fan effect of the rotating cord can be used for quick and easy clearing up.

  • 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

    It is extremely important to be aware of this when adjusting the carburettor. 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, If the mesh is frequently blocked, this can be a sign that the performance of the catalytic converter is impaired. Contact 345RX) your dealer to inspect the muffler. A blocked mesh will cause the machine to overheat and result in damage to the cylinder The correct start throttle speed is set by means of an adjuster and piston.

  • Page 29: Air filter

    If the machine is low on power, difficult to start or runs poorly Always use HUSQVARNA filter oil, art. no. 531 00 92-48. The at idle speed: always check the spark plug first before taking filter oil contains a solvent to make it spread evenly through any further action.

  • Page 30: Winter Use

    Running problems can occur when using the machine in the cold and snowy conditions caused by: • Too low engine temperature. IMPORTANT! Use only HUSQVARNA replacement parts. Use of other brands of replacement parts can cause • Icing of the air filter and carburetor.

  • 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 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, 2,75/45 2,75/45 2,75/45 Cylinder bore, inch/mm 1,65/42 1,65/42 1,65/42 Stroke, inch/mm 1,26/32 1,26/32 1,26/32 Idle speed, rpm 2800 2800 2800 Recommended max. speed, rpm 12500 12500 13500 Speed of output shaft, rpm...

  • Page 33

    TECHNICAL DATA NOTE! Noise pressure at the user’s ear and vibration on the handles are measured with all the machine’s approved cutting equipment fitted. The table indicates the highest and lowest values. 345FX 345FXT Engine Cylinder displacement, 2,62/43 2,62/43 Cylinder bore, inch/mm 1,61/41 1,61/41...

  • Page 34

    503 95 43-01 Auto 55 503 95 43-01 503 95 43-01 Support cup Fixed With ball bearing 343F, 345FX, 345FXT Approved accessories Type Cutting attachment guard, Art. no. Centre hole in blades/cutters, Ø 20 mm Output shaft thread M12 Grass blade/grass cutter Multi 255-3 (Ø...

  • Page 35: Federal Emission Control Warranty Statement

    Operator′s Manual. Husqvarna Forest & Garden responsibilities, you should contact your nearest authorized recommends that you retain all receipts covering servicing dealer or call Husqvarna Forest & Garden at 1-800- maintenance on your small nonroad engine, but Husqvarna 487-5963. Forest & Garden cannot deny warranty solely for the lack of...

  • Page 37

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

  • Page 39

    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"...

  • Page 40

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

  • Page 42

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  • Page 44

    1150018-95 ´®z+R!y¶5f¨ ´®z+R!y¶5f¨ 2005-01-13...

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