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Operator's manual
343F 345FX 345FXT 343FR
343FRM 343R 345RX
Please read the operator's manual carefully and make sure you understand the instructions
before using the machine.
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

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   Summary of Contents for Husqvarna 343F

  • Page 1

    Operator′s manual 343F 345FX 345FXT 343FR 343FRM 343R 345RX Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. 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 T O SYMBOLS Symbols W ARNING! Clearing saws, Only use non-metallic, flexible cutting brushcutters and trimmers can be attachments, i.e. trimmer heads with dangerous! Careless or incorrect use trimmer cord. can result in serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of the Noise emission to the environment...

  • Page 3: Table Of Contents

    CONTENTS Contents Note the f ollowing before starting: KEY TO SYMBOLS • Please read the operator’s manual carefully. Symbols ..............2 W ARNING! Long-term exposure to noise CONTENTS can result in permanent hearing Contents ..............3 impairment. So always use approved Note the following before starting: ......

  • Page 4: Intr Oduction

    Dear Customer , Cong ratulations 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: Wha T Is What

    WHA T IS WHA T? What is what on the c learing saw? (343R, 345RX) Grass blade 18 Locking screw Grease filler cap, bevel gear 19 Support cup Bevel gear 20 Support flange Cutting attachment guard 21 Drive disc Shaft 22 Trimmer head Handlebar 23 Spark plug cap and spark plug...

  • Page 6: What Is What On The Clearing Saw

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

  • Page 7: What Is What On The Clearing Saw

    WHA T IS WHA T? What is what on the c learing saw? (343FR) Blade 19 Locking nut Grease filler cap, bevel gear 20 Drive disc Bevel gear 21 Support flange Cutting attachment guard 22 Metal cup Shaft 23 Support cup Handlebar 24 Locking screw Throttle control...

  • Page 8: General Safety Preca Utions

    GENERAL SAFETY PRECA UTIONS Impor tant Personal protective equipment IMPORTANT! IMPOR TANT! The machine is only designed for trimming grass, grass A clearing saw, brushcutter or trimmer can be dangerous if clearing and/or forestry clearing. used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others.

  • Page 9: Machine's Safety Equipment

    GENERAL SAFETY PRECAUTIONS BOOTS positions. This movement is controlled by two independent return springs. This arrangement means that the throttle Wear boots with steel toe-caps and non-slip sole. control is automatically locked at the idle setting. CLOTHING Wear clothes made of a strong fabric and avoid loose Make sure the throttle control is locked at the idle setting clothing that can catch on twigs and branches.

  • Page 10

    GENERAL SAFETY PRECAUTIONS Stop switch The machine′s vibration damping system reduces the transfer of vibration between the engine unit/cutting Use the stop switch to switch off the engine. equipment and the machine′s handle unit. Start the engine and make sure the engine stops when you Regularly check the vibration damping units for cracks or move the stop switch to the stop setting.

  • Page 11

    GENERAL SAFETY PRECAUTIONS fitted with a catalytic converter is also designed to reduce WARNING! The inside of the muffler contain harmful exhaust gases. chemicals that may be carcinogenic. Avoid contact with these elements in the event of a damaged muffler. WARNING! Bear in mind that: The exhaust fumes from the engine are hot and may contain sparks which can start a...

  • Page 12: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Locking screw Grass blades and grass cutters are intended for cutting coarse grass. The lock screw must be tightened securely for ball-bearing- mounted support cups. A trimmer head is intended for trimming grass. General rules Cutting equipment This section describes how to choose and maintain your cutting equipment in order to: Only use cutting attachments with the guards we...

  • Page 13

    GENERAL SAFETY PRECAUTIONS Sharpening grass cutters and grass blades so, this should be done before filing with a round file. The top edges must be filed down by the same amount for all the teeth. • See the cutting attachment packaging for correct sharpening instructions.

  • Page 14: Assembly

    • Fit the transport guard to the cutting attachment. 343FR, 343FRM 343R, 345RX 343F, 345FX, 345FXT • Put on the harness and hang the machine from the support hook. Now make a final adjustment so that the 14 – English...

  • Page 15: Assembling The Cutting Equipment

    ASSEMBLY Assembling the cutting equipment • Turn the output shaft until one of the holes in the drive disk aligns with the corresponding hole in the gear housing. WARNING! • Insert the locking pin (C) in the hole to lock the shaft. When fitting the cutting attachment it is •...

  • Page 16: Fitting The Blade Guard And Saw Blade

    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. When loosening and tightening the saw blade nut, there is a risk of injury from the teeth of the saw blade.

  • Page 17: Fitting Other Guards And Cutting Attachments

    ASSEMBLY • Fit the drive disc (B) on the output shaft. • Fit the drive disc (B) on the output shaft. • Centre the metal cup (P) on the drive disc’s blade guide. • Centre the metal cup (P) on the drive disc’s blade guide. •...

  • Page 18: Triobalance Harness

    ASSEMBLY Spreading the load on your shoulders Triobalance harness A well-adjusted harness and machine makes work much easier. Adjust the harness for the best working position. Tension the side straps so that the weight is evenly distributed across both shoulders. Safety release Push down the red release lever to release the machine from the harness.

  • Page 19

    ASSEMBLY Adjust the height of the suspension hook as described in Grass clearing the instructions for the standard harness. (Forestry Let the blade balance at a comfortable cutting height, i.e. clearing) close to the ground. 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 20: Fuel Handling

    Two-stroke oil storage. • For best results and performance use HUSQVARNA two-stroke engine oil, which is specially formulated for WARNING! Take care when handling fuel. our air-cooled two-stroke engines. Bear in mind the risk of fire, explosion and inhaling fumes.

  • Page 21: 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 WARNING! Taking the following fuel mixture.

  • Page 22: 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, 343FR, 343FRM, 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 position.

  • Page 23

    Once the machine has started the valve will automatically return to its original Stop the engine by switching off the ignition. setting. 343F, 345FX, 345FXT Starting 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 24: Working Techniques

    WORKING TECHNIQUES General working instructions may hit you or the machine and cause you to lose control. Both situations can cause serious personal injury. 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.

  • Page 25

    WORKING TECHNIQUES • Control the felling direction (take advantage of the wind). • Start at whichever end of the area is easiest, and clear an open space from which to work. WARNING! Neither the operator of the • Work systematically to and fro across the area, clearing machine nor anyone else may attempt to a width of around 4-5 m on each pass.

  • Page 26

    WORKING TECHNIQUES Forestry clearing using a saw blade • To fell a tree forwards, the bottom of the tree should be pulled backwards. Pull the blade backwards with a quick, firm movement. • The risk of blade thrust increases with increasing stem size.

  • Page 27

    WORKING TECHNIQUES Brush cutting with a saw blade • Try to work rhythmically. Stand firmly with your feet apart. Move forward after the return stroke and stand firmly again. • Let the support cup rest lightly against the ground. It is used to protect the blade from hitting the ground.

  • Page 28

    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 29: Maintenance

    The L and H-jets are used to adjust the supply of fuel to match the rate that air is admitted, which is controlled Your Husqvarna product has been designed and with the throttle. If they are screwed clockwise the air/fuel manufactured to specifications that reduce harmful...

  • Page 30

    MAINTENANCE Low speed jet L 343R, 345RX: Speed control at: 12500 rpm 343F, 343FR, 343FRM, 345FX, 345FXT: Speed control at: Try to find the highest idle speed by turning the low speed jet 13500 rpm L clockwise then anti-clockwise. When the highest speed has been found, turn the low speed jet L 1/4 turn anti- When attempting to adjust the speed over that specified, the...

  • Page 31: Muffler

    MAINTENANCE Correctly adjusted carburettor On mufflers without a catalytic converter the mesh should be cleaned weekly, or replaced if necessary. On mufflers fitted When the carburettor is correctly adjusted the machine will with a catalytic converter the mesh should be checked, and accelerate without hesitation and burble a little at maximum if necessary cleaned, monthly.

  • Page 32: Air filter

    MAINTENANCE Air filter Oiling the air filter Always use HUSQVARNA filter oil, art. no. 531 00 92-48. The air filter must be regularly cleaned to remove dust and The filter oil contains a solvent to make it spread evenly dirt in order to avoid: through the filter.

  • Page 33: Spark Plug

    MAINTENANCE Spark plug Temperature 5°C or colder: The air filter holder is prepared so it can be changed for use in the cold. Remove the air filter cover and air filter. Turn the winter cover anticlockwise using a screwdriver so that the preheated air from the engine can pass inside the The spark plug condition is influenced by: carburettor compartment and prevent, for example, the air...

  • Page 34: 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 35: Technical D Ata

    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 36: Technical Data

    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 37

    TECHNICAL DATA 343FR, 343FRM Engine Cylinder displacement, cm Cylinder bore, mm Stroke, mm 32,5 Idle speed, rpm 2800 Recommended max. speed, rpm 12500 Speed of output shaft, rpm 9000 Max. engine output, acc. to ISO 8893, kW/ rpm 2,0/9000 Catalytic converter muffler Ignition system Manufacturer/type of ignition system SEM AM...

  • Page 38

    TECHNICAL DATA 343R Approved accessories Type Cutting attachment guard, Art. no. Centre hole in blades/cutters, Ø 25,4 mm Output shaft thread M12 Multi 255-3 (Ø 255 3 teeth) 537 28 85-01 Grass blade/grass cutter Multi 275-4 (Ø 275 4 teeth) 537 28 85-01 Multi 300-3 (Ø...

  • Page 39

    503 95 43-01 T45x 503 95 43-01 Fixed Support cup 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 Multi 255-3 (Ø 255 3 teeth)

  • Page 40: Ec-declaration Of Conformity

    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, 343FR, 343FRM 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 42

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

  • Page 44

    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 45

    T45, T45x 10 m 10 cm 4" 4,3 m 15 cm "Clic" 6"...

  • Page 48

    1150889-26 ´®z+Rx|¶60¨ ´®z+Rx|¶60¨ 2007-09-20...

This manual also for:

345fx, 343fr, 343frm, 345fxt, 343r, 345rx

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