Husqvarna 343F Operator's Manual
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Husqvarna 343F Operator's Manual

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See also: Workshop Manual
Operator's manual (EPA)
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 (EPA) 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 TO SYMBOLS Symbols WARNING! Clearing saws, Only use non-metallic, flexible brushcutters and trimmers can be cutting attachments, i.e. trimmer dangerous! Careless or incorrect heads with trimmer cord. use 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 Other symbols/decals on the machine refer to special...

  • Page 3: Table Of Contents

    CONTENTS Contents Winter use ............. 34 Maintenance schedule .......... 35 KEY TO SYMBOLS TECHNICAL DATA Symbols ..............2 Technical data ............36 CONTENTS FEDERAL EMISSION CONTROL WARRANTY Contents ............... 3 STATEMENT Note the following before starting: ......3 YOUR WARRANTY RIGHTS AND OBLIGATIONS 41 INTRODUCTION Note the following before Dear customer! .............

  • 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.

  • Page 5: What Is What

    WHAT IS WHAT? What is what on the clearing 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 Throttle control...

  • Page 6: What Is What On The Clearing Saw

    WHAT IS WHAT? What is what on the clearing 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 Shaft 20 Drive disc...

  • Page 7: What Is What On The Clearing Saw

    WHAT IS WHAT? What is what on the clearing saw? (343FR, 343FRM) 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 25 Trimmer head...

  • Page 8: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Important Personal protective equipment IMPORTANT! IMPORTANT! The machine is only designed for trimming grass, grass A clearing saw, brushcutter or trimmer can be clearing and/or forestry clearing. dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others. It The only accessories you can operate with this engine is extremely important that you read and understand the unit are the cutting attachments we recommend in the...

  • Page 9: Machine's Safety Equipment

    GENERAL SAFETY PRECAUTIONS BOOTS Throttle lockout Wear boots with steel toe-caps and non-slip sole. The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e. when you grasp the handle) it releases the throttle control (B).

  • Page 10: Stop Switch

    GENERAL SAFETY PRECAUTIONS be checked. See instructions under the heading Vibration damping system Maintenance. Your machine is equipped with a vibration damping system that is designed to reduce vibration and make operation easier. Use of incorrectly wound cord or an incorrect cutting attachment increases the level of vibration.
  • Page 11 GENERAL SAFETY PRECAUTIONS saw. Certain harnesses also have a quick release fitted to If the muffler on your machine is fitted with a spark the support hook. arrestor screen this must be cleaned regularly. A blocked screen will cause the engine to overheat and may lead to serious damage.

  • Page 12: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS should operate the socket spanner when loosening or WARNING! Always stop the engine tightening the nut. before doing any work on the cutting attachment. This continues to rotate even after the throttle has been released. Ensure that the cutting attachment has stopped completely and disconnect the HT lead from the spark plug before you start to work on it.

  • Page 13: Sharpening The Saw Blade

    GENERAL SAFETY PRECAUTIONS incorrectly sharpened or damaged blade increases the Sharpening the saw blade risk of accidents. • See the cutting attachment packaging for correct sharpening instructions. A correctly sharpened blade is essential for working efficiently and to avoid unnecessary wear to the blade and Keep the correct setting on the saw blade! Follow our clearing saw.
  • Page 14 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 15: Assembly

    Position the handlebar as shown. Fit the mounting components and tighten the knob lightly. • Fit the transport guard to the cutting attachment. 343F, 345FX, 345FXT 343FR, 343FRM 343R, 345RX • Put on the harness and hang the machine from the support hook.

  • Page 16: Assembling The Cutting Equipment

    ASSEMBLY Assembling the cutting • Fit the drive disc (B) on the angle gear’s output shaft. • Centre the metal cup (P) on the drive disc’s blade equipment guide. • Turn the output shaft until one of the holes in the drive WARNING! disk aligns with the corresponding hole in the gear When fitting the cutting attachment it is...

  • Page 17: 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. • Fit the nut (G). The nut must be tightened to a torque of 35-50 Nm (3.5-5 kpm).

  • Page 18: Fitting The Trimmer Guard And Trimmer Head Trimmy Sii

    ASSEMBLY Fitting the trimmer guard and Fitting the shredder blade and the trimmer head Trimmy SII shredder blade guard (343FRM) • Fit the correct trimmer guard (A) for use with the • Fit the holder (K) and bracket (J) with 4 bolts (H) on trimmer head.

  • Page 19: Fitting Other Guards And Cutting Attachments

    ASSEMBLY • Fit the drive disc (B) on the output shaft. Fitting other guards and cutting attachments • Fit the trimmer guard/combination guard (A) intended for use with the trimmer head/plastic blades. Hang the trimmer guard/combination guard (A) on the two hooks on the plate holder (M).

  • Page 20: Adjusting The Harness And Clearing Saw

    ASSEMBLY Adjusting the harness and Adjust the height using the strap on the harness for the support hook. clearing saw WARNING! When using a clearing saw it must always be hooked securely to the harness. Otherwise you will be unable to control the clearing saw safely and this can result in injury to yourself or others.
  • Page 21 ASSEMBLY Tighten the chest strap under your left arm so that it Correct balance fits closely around your body. Forestry clearing The machine is balanced by moving the suspension ring on the machine forwards or backwards. On some models the suspension ring is fixed, however, this will then have a number of holes for the support hook.

  • Page 22: Fuel Handling

    Bear in mind the risk of fire, explosion and inhaling fumes. Two-stroke oil • For best results and performance use HUSQVARNA Fuel two-stroke engine oil, which is specially formulated for CAUTION! The machine is equipped with a two-stroke our air-cooled two stroke-engines.

  • Page 23: 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 WARNING! Taking the following (shake) the fuel mixture.

  • Page 24: 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 25: Heated Handles

    Once the machine has started the valve will automatically return Stop the engine by switching off the ignition. to its original setting. 343F, 345FX, 345FXT Starting WARNING! When the engine is started with the choke in either the choke or...

  • Page 26: Working Techniques

    WORKING TECHNIQUES General working instructions position yourself incorrectly or make the cut in the wrong place the tree may hit you or the machine and cause you to lose control. Both situations can cause IMPORTANT! serious personal injury. This section describes the basic safety precautions for working with clearing saws and trimmers.
  • Page 27 WORKING TECHNIQUES The ABC of clearing Working methods • Always use the correct equipment. WARNING! Machines fitted with saw • Make sure the equipment is well adjusted. blades or grass blades can be thrown violently to the side when the blade •...
  • Page 28 WORKING TECHNIQUES conditions, so that cleared stems fall in the cleared 3 o’clock and 5 o’clock so that the direction of rotation area of the stand. of the blade pushes the bottom of the tree to the left. • To fell a tree forwards, the bottom of the tree should be pulled backwards.
  • Page 29 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 30 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 31: Maintenance

    Carburetor CAUTION! If the cutting attachment rotates when the engine is idling the idle adjustment screw T should be Your Husqvarna product has been designed and turned anti-clockwise until the cutting attachment stops. manufactured to specifications that reduce harmful Adjustment of the idle speed emissions.

  • Page 32: Muffler

    MAINTENANCE Press the start throttle lock as described under the Cooling system heading Starting and stopping. If the start throttle speed is too low (below 4000 rpm), turn the adjuster screw A clockwise until the cutting attachment starts to rotate. Then turn A clockwise a To keep the working temperature as low as possible the further 1/2 turn.

  • Page 33: Bevel Gear

    Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). Always use HUSQVARNA filter oil, art. no. 531 00 92-48. • A dirty air filter. The filter oil contains a solvent to make it spread evenly These factors cause deposits on the spark plug through the filter.

  • Page 34: Winter Use

    (retailer). the cold and snowy conditions caused by: • Too low engine temperature. IMPORTANT! Use only HUSQVARNA replacement • Icing of the air filter and carburetor. parts. Use of other brands of replacement parts can Special measures are therefore often required: cause damage to your unit or injury to the operator or •...

  • Page 35: 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 36: Technical Data

    TECHNICAL DATA Technical data 343R 345RX 343F Engine Cylinder displacement, cu.in/cm 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 37 TECHNICAL DATA 345FX 345FXT Engine Cylinder displacement, cu.in/cm 2,62/43 2,62/43 Cylinder bore, inch/mm 1,61/41 1,61/41 Stroke, inch/mm 1,26/32 1,26/32 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 38 TECHNICAL DATA 343FR, 343FRM Engine Cylinder displacement, cu.in/cm 2,75/45 Cylinder bore, inch/mm 1,65/42 Stroke, inch/mm 1,26/32 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...
  • Page 39 Auto 55 503 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, Output shaft thread M12 Ø 20 mm Multi 255-3 (Ø 255 3 teeth)
  • Page 40 TECHNICAL DATA 343FR Approved accessories Type Cutting attachment guard, Art. no. Centre hole in blades/cutters, Output shaft thread M12 Ø 25,4 mm 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 41: Your Warranty Rights And Obligations

    Husqvarna Forest & Garden must charge to the owner at an approved Husqvarna Forest & warrant the emission control system on your small Garden servicing dealer. If you have any questions...

  • Page 42: Federal Emission Control Warranty Statement

    FEDERAL EMISSION CONTROL WARRANTY STATEMENT MAINTENANCE, REPLACEMENT AND REPAIR OF EMISSION-RELATED PARTS Any Husqvarna Forest & Garden approved replacement part used in the performance of any warranty maintenance or repairs on emission-related parts, will be provided without charge to the owner if the part is under warranty.
  • Page 44 Trimmy SII 7,0 m 12 cm 5" ~ 3,5 m ~ 15 cm "Clic" 35-50 NM...
  • Page 46 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 47 T45, T45x 10 m 10 cm 4" 4,3 m 15 cm "Clic" 6"...
  • Page 52 1151480-95 ´®z+SP)¶5C¨ ´®z+SP)¶5C¨ 2009-02-03...

This manual is also suitable for:

343r345fx345fxt343fr343frm345rx

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