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Operator’s manual 545FR, 545FX, 545FXT, 545RX, 545RXT 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...
KEY TO SYMBOLS Symbols WARNING! Clearing saws, Choke: Set the choke control in the brushcutters and trimmers can be choke position. dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. It is extremely Refuelling.
CONTENTS Contents KEY TO SYMBOLS Symbols ..............2 CONTENTS Contents ............... 3 INTRODUCTION Dear Customer, ............ 4 WHAT IS WHAT? What is what on the brush cutter? ......5 GENERAL SAFETY PRECAUTIONS Measures to take before using new clearing saws, brushcutters or trimmers.
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 Husqvarna River, for production of muskets.
WHAT IS WHAT? 545FR, 545RX,RXT 545FX, FXT What is what on the brush cutter? Grass blade (545FR, 545RX, 545RXT) 18 Starter handle Saw blade (545FR, 545RX, 545RXT) 19 Primer bulb Trimmer head (545FR, 545RX, 545RXT) 20 Air filter cover Bevel gear 21 Choke control Grease filler cap, bevel gear...
GENERAL SAFETY PRECAUTIONS Measures to take before using new clearing saws, brushcutters IMPORTANT! or trimmers. The clearing saw or grass trimmer is only designed for trimming grass, grass clearing and/or forestry clearing. • Please read the operator's manual carefully. National or local regulations may regulate the use. •...
GENERAL SAFETY PRECAUTIONS Personal protective equipment BOOTS Wear boots with steel toe-caps and non-slip sole. IMPORTANT! A clearing saw, brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of this operator’s manual.
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GENERAL SAFETY PRECAUTIONS Throttle trigger lockout be checked. See instructions under the heading Maintenance. 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).
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GENERAL SAFETY PRECAUTIONS Vibration damping system cutter. Certain harnesses also have a quick release fitted to the support hook. Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier. Check that the harness straps are correctly positioned. Use of incorrectly wound cord or an incorrect cutting attachment increases the level of vibration.
GENERAL SAFETY PRECAUTIONS Never use a machine that has a faulty muffler. When fitting, tighten the nut in the opposite direction to the direction of rotation of the cutting attachment. To remove it, undo the nut in the same direction as the cutting attachment rotates.
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GENERAL SAFETY PRECAUTIONS incorrectly set saw blade increases the risk of jamming WARNING! Using an incorrect cutting and blade thrust, and damage to the saw blade. attachment or an incorrectly sharpened blade increases the risk of blade thrust. Cutting equipment Saw blades are intended for cutting fibrous types of wood.
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GENERAL SAFETY PRECAUTIONS Sharpening the saw blade Trimmer head IMPORTANT! Always ensure the trimmer cord is wound tightly and • See the cutting attachment packaging for correct evenly around the drum, otherwise the machine will sharpening instructions. generate harmful vibration. A correctly sharpened blade is essential for working efficiently and to avoid unnecessary wear to the blade and •...
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 • Loosen the knob. Turn the handlebar clockwise so that the factory.
ASSEMBLY Fitting the guard extension Fitting the blade guard/ combination guard, grass blade and grass cutter The guard extension shall always be fitted when using the trimmer head/plastic blades and combination guard. The guard extension shall always be removed when using the Hook the blade guard/combination guard (A) onto the grass blade and combination guard.
CAUTION! Always use the recommended guard for the cutting attachment you are using. See chapter on Technical data. 545FX, 545FXT • The blade guard (A) is fitted using 4 screws (L) as When loosening and tightening the saw blade nut, there is shown.
ASSEMBLY • Fit the drive disc (B) on the output shaft. Adjusting the harness Tighten the hip strap so that it sits securely. Tighten the chest strap under your left arm so that it fits closely around your body. • Centre the metal cup (P) on the drive disc’s blade guide.
Balance XT Tighten the hip strap so that it sits securely. (545FX, 545FXT, 545RXT) The hip belt should hang roughly in line with the hip bone. Press the breast plate together.
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ASSEMBLY Adjust the shoulder strap to distribute the load evenly Let the blade balance at a comfortable cutting height, across your shoulders. Press downwards on the i.e. close to the ground. suspension hook to load the harness. Adjust the side belts to fit around the rib cage until the breast plate is centred on the chest.
If the machine is leaking fuel. Check regularly for leaks residues when combusted which keeps the engine parts from the fuel cap and fuel lines. cleaner and optimizes the engine life. Husqvarna alkylate Transport and storage fuel is not available in all markets.
FUEL HANDLING Mixing Fueling • 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.
Use the same starting procedure as for a cold engine but without setting the choke control in the choke position. Start throttle: (545FX, 545FXT) Set the throttle to the start position by moving the choke control to the choke position and then returning it to its original position.
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Stop the engine by switching off the ignition. decompression valve when starting the machine. Once the machine has started the valve will automatically return to its original setting. 545FX, 545FXT Starting WARNING! When the engine is started with the choke in either the choke or...
WORKING TECHNIQUES General working instructions 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 serious IMPORTANT! personal injury. This section describes the basic safety precautions for working with brush cutters and trimmers.
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WORKING TECHNIQUES 11 Never put the machine down with the engine running Working methods unless you have it in clear sight. WARNING! Machines fitted with saw blades or grass blades can be thrown WARNING! Neither the operator of the machine nor anyone else may attempt to violently to the side when the blade remove the cut material while the engine comes into contact with a fixed object.
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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.
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WORKING TECHNIQUES Brush cutting with a saw blade • Let the support cup rest lightly against the ground. It is used to protect the blade from hitting the ground. • Reduce the risk of material wrapping around the blade by following these instructions: 1Always work at full throttle.
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WORKING TECHNIQUES trimmer head against the ground as this can ruin the lawn and damage the tool. • 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.
Run the machine at idle. Always wear approved protective gloves. Press the start throttle lock as described under the Your Husqvarna product has been designed and heading Starting and stopping. manufactured to specifications that reduce harmful If the start throttle speed is too low (below 4000 rpm), emissions.
Check and clean filter housing. • Check the filter and change if contaminated or damaged. Use Husqvarna original filters. IMPORTANT! Never bend or fold a filter as it can be damaged. A damaged air filter must always be replaced. Air intake on the starter.
MAINTENANCE Check air filter (545FX, 545FXT) (nylon Spark plug filter) • Set the choke control in the choke position. • Remove the air filter cover and take out the filter. The spark plug condition is influenced by: • Incorrect carburettor adjustment.
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MAINTENANCE • Hot air is then supplied to the carburettor from the muffler. • Fit a cover over the starter in snowy conditions. IMPORTANT! The machine MUST be returned to its standard design at temperatures warmer than 5°C . Otherwise there is a risk of overheating resulting in serious engine damage.
MAINTENANCE Troubleshooting schedule Starting failure Check Possible Cause Action Set the stop switch to the start Stop button Stop position position. Adjust or replace the pawls. Starter pawls Binding pawls Clean around the pawls. Contact a servicing dealer. Fuel tank Incorrect fuel type Drain it and use correct fuel.
MAINTENANCE Maintenance schedule The following is a list of the maintenance steps 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.
We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare that the brush cutters Husqvarna 545FR, 545FX/FXT, 545RX and 545RXT with serial numbers dating from 2016 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE: - of May 17, 2006 ”relating to machinery”...
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Trimmy SII 7,0 m 12 cm 5" ~ 3,5 m ~ 15 cm "Clic" 35-50 NM...
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T55x A 2,7 - 4,0 mm / .105 - .160" B 8 m / 26’ C 15 cm / 5.9" "Clic" 15 cm 6"...
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T45, T45x 10 m 10 cm 4" 4,3 m 15 cm "Clic" 6"...
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Original instructions ´®z+ZwT¶6)¨ ´®z+ZwT¶6)¨ 2018-10-10...