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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.


   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

    What is what on the clearing saw? (343R, 345RX) ..serious or fatal injury to the operator or What is what on the clearing saw? (343F, 345FX, others. It is extremely important that you 345FXT) ................

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS Personal protective equipment CLOTHING Wear clothes made of a strong fabric and avoid loose clothing that can catch on twigs and branches. Always wear heavy, IMPORTANT! Whenever you use a clearing saw, long pants. Do not wear jewellery, shorts sandals or go brushcutter or trimmer you must wear personal protective barefoot.

  • Page 5

    SAFETY INSTRUCTIONS Stop switch Quick release Use the stop switch to switch off the engine. 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.

  • Page 6: Checking, Maintaining And Servicing The Machine ' S Safety Equipment

    SAFETY INSTRUCTIONS Checking, maintaining and servicing WARNING! Bear in mind that: the machine ′ ′ ′ ′ s safety equipment Engine exhaust fumes contain carbon IMPORTANT! monoxide, which can cause carbon All servicing and repair work on the machine requires monoxide poisoning.

  • Page 7

    SAFETY INSTRUCTIONS Vibration damping system • See instructions under the heading Start. Start the machine and apply full throttle. Release the throttle and check that the cutting attachment stops and remains at a standstill. If the cutting attachment rotates with the throttle in the idle position then the carburettor idle setting must be •...

  • Page 8: Cutting Equipment

    SAFETY INSTRUCTIONS Cutting equipment Locking nut This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of kickback. • When fitting, tighten the nut in the opposite direction to the direction of rotation of the cutting attachment. To remove •...

  • Page 9: Trimmer Head

    SAFETY INSTRUCTIONS Filing the saw blade Trimmer head • Only use the recommended trimmer heads and trimmer cords. These have been tested by the manufacturer to suit a particular engine size. This is especially important when a fully automatic trimmer head is used. Only use the •...

  • Page 10: General Safety Precautions

    SAFETY INSTRUCTIONS General safety precautions Fuel safety IMPORTANT! The machine is only designed for trimming grass, grass clearing and/or forestry clearing. • Always use a fuel container with an anti-spill valve. The only accessories you can operate with this engine unit •...

  • Page 11: General Working Instructions

    SAFETY INSTRUCTIONS General working instructions 5 Switch off the engine before moving to another area. Fit the transport guard before carrying or transporting the equipment any distance. IMPORTANT! 6 Never put the machine down with the engine running This section describes the basic safety precautions for unless you have it in clear sight.

  • Page 12: Basic Working Techniques

    SAFETY INSTRUCTIONS Basic working techniques • Work systematically to and fro across the area, clearing a width of around 4-5 m on each pass. This exploits the full reach of the machine in both directions and gives the • Always slow the engine to idle speed after each working operator a convenient and varied working area to work in.

  • Page 13: Grass Clearing Using A Grass Blade

    SAFETY INSTRUCTIONS Grass clearing using a grass blade • To fell to the right, the bottom of the tree should be pushed to the left. Tilt the blade and bring it diagonally up to the right. Cut with the area of the blade between 3 o’clock and 5 o’clock so that the direction of rotation of the blade pushes the bottom of the tree to the left.

  • Page 14: Grass Trimming With A Trimmer Head

    SAFETY INSTRUCTIONS Grass trimming with a trimmer head Sweeping • The fan effect of the rotating cord can be used for quick and easy clearing up. Hold the cord parallel to and above the area to be swept and move the tool to and fro. Trimming •...

  • Page 15: 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 20 Support flange 3 Bevel gear 21 Drive disc 4 Cutting attachment guard 22 Trimmer head 5 Shaft 23 Spark plug 6 Handlebar 24 Socket spanner...

  • Page 16: 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 17 Handle adjustment 3 Bevel gear 18 Locking nut 4 Cutting attachment guard 19 Support flange...

  • Page 17: 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. IMPORTANT! 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 18: Fitting The Blade Guard/combination Guard, Grass Blade And Ball-bearing-mounted Support Cup

    CAUTION! Always use the recommended guard for the cutting attachment you are using. See chapter on Technical data. 343F, 345FX, 345FXT • The blade guard (A) is fitted using 4 screws (L) as shown. • CAUTION! Always use the recommended guard for the cutting attachment you are using.

  • Page 19: Fitting The Trimmer Guard And Trimmer Head Trimmy Sii

    ASSEMBLY • Fit the nut (G). The nut must be tightened to a torque of • Screw on the trimmer head (H) in the opposite direction to 35-50 Nm (3.5-5 kpm). Use the socket spanner in the tool the direction of rotation. kit.

  • Page 20: Adjusting The Harness And Clearing Saw

    ASSEMBLY Adjusting the harness and clearing 2 Grass clearing The machine should be supported in a harness when grass clearing so that the cutting equipment is parallel to the ground. WARNING! When using a clearing saw it must always be hooked securely to the harness.

  • Page 21

    ASSEMBLY 4 Adjust the height of the suspension hook as described in the instructions for the standard harness. (Forestry clearing) 5 If you need to lower the suspension hook, for trimming for example, move the suspension strap (A) to the lower mounting point on the backplate.

  • Page 22: Fuel Handling

    Mixture 1:50 (2%). When refuelling, open the fuel cap slowly so • If HUSQVARNA two-stroke oil is not available, you may that any excess pressure is released gently. use another two-stroke oil of good quality that is intended Tighten the fuel cap carefully after refuelling.

  • Page 23: 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) Set the throttle to the start position by moving the choke control to the choke position and then returning it to its original position.

  • Page 24

    Stop the engine by switching off the ignition. automatically maintain a temperature of roughly 70° when the heat is turned on. 343F, 345FX, 345FXT WARNING! When the engine is started with the choke in either the choke or start throttle positions the cutting attachment will start to rotate immediately.

  • Page 25: Maintenance

    MAINTENANCE Carburettor WARNING! If the idle speed cannot be adjusted so that the cutting attachment Your Husqvarna product has been designed and stops, contact your dealer/service manufactured to specifications that reduce harmful workshop. Do not use the machine until it emissions.

  • Page 26: Muffler

    MAINTENANCE High speed jet H Proceed as follows: 1 Run the machine at idle. The high speed jet H affects the engine power, speed, temperature and fuel consumption. If the high speed jet H is 2 Press the start throttle lock as described under the set too lean (screwed in too far) the engine speed will be too heading Starting and stopping.

  • Page 27: Cooling System

    The cooling system consists of: Oiling the air filter 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.

  • Page 28: Spark Plug

    MAINTENANCE Spark plug Filing the saw blade The spark plug condition is influenced by: WARNING! Using an incorrect cutting • Incorrect carburettor adjustment. attachment or an incorrectly sharpened • An incorrect fuel mixture (too much or incorrect type of blade increases the risk of kickback. oil).

  • Page 29: 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 30: Maintenance Schedule

    MAINTENANCE Maintenance schedule Weekly maintenance Below you will find some general maintenance instructions. If 0,5 mm you need further information please contact your service workshop. Daily maintenance 1 Check the starter and starter cord. 2 Check that the vibration damping elements are not damaged.

  • Page 31: 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 32

    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 33: 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 34

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

  • Page 36

    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 38

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  • Page 40

    1140219-26 ´®z+H5|¶6U¨ ´®z+H5|¶6U¨ 2003-08-25...

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