Husqvarna 545FR Operator'S Manual Download Page 32

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32 – English

MAINTENANCE

Troubleshooting schedule

Contact your dealer for more information.

Starting failure

Check

Possible Cause

Action

Stop button

Stop position

Set the stop switch to the start
position.

Starter pawls

Binding pawls

Adjust or replace the pawls.

Clean around the pawls.

Contact a servicing dealer.

Fuel tank

Incorrect fuel type

Drain it and use correct fuel.

Carburettor

Adjustment of the idle speed

Adjust the idling speed with the T-
screw.

Sparking (no spark)

Spark plug contaminated or wet

Make sure that the spark plug is dry
and clean.

Spark plug gap incorrect.

Clean the spark plug. Check that the
electrode gap is correct. Make sure
that the spark plug is fitted with a
suppressor.

Refer to technical data for correct
electrode gap.

Spark plug

Spark plug loose.

Retighten the spark plug

Fuel filter

Clogged fuel filter

Replace the fuel filter.

Engine starts but does not stay running.

Check

Possible Cause

Possible action

Fuel tank

Incorrect fuel type

Drain it and use correct fuel.

Fuel filter

Clogged fuel filter

Replace the fuel filter.

Carburettor

Engine will not idle properly.

Adjust the idling speed with the T-
screw.

Air filter

Air filter clogged

Clean the air filter.

Summary of Contents for 545FR

Page 1: ...En n n ng g g gl l l li i i is s s sh h h h 545FR 545FX 545FXT 545RX 545RXT Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...is capable of amputating an arm or leg Always keep people and animals at least 15 meters from the machine Always wear approved protective gloves Wear sturdy non slip boots Primer bulb Choke Set the choke control in the choke position Refuelling Decompression valve The valve is to reduce the pressure in the cylinder and make starting easier You should always use the decompression valve when startin...

Page 3: ...g the guard extension 14 Fitting the blade guard combination guard grass blade and grass cutter 14 Fitting the blade guard and saw blade 15 Fitting other guards and cutting attachments 15 Adjusting the harness and brush cutter 16 Balance X 16 Balance XT 17 FUEL HANDLING Fuel safety 19 Fuel 19 Fueling 20 STARTING AND STOPPING Check before starting 21 Starting and stopping 21 WORKING TECHNIQUES Gene...

Page 4: ...tion industry Husqvarna s aim is also to be at the front edge for ergonomics usability security and environmental protection That is the reason why we have developed many different features to add to our products within these areas We are convinced that you will appreciate with great satisfaction the quality and performance of our product for a very long time to come The purchase of one of our pro...

Page 5: ...ear 6 Shaft 7 Handle adjustment 8 Throttle trigger 9 Stop switch 10 Start throttle button 11 Throttle trigger lockout 12 Adjusting the throttle wire 13 Suspension ring 14 Fuel tank 15 Decompression valve 16 Muffler 17 Spark plug cap and spark plug 18 Starter handle 19 Primer bulb 20 Air filter cover 21 Choke control 22 Harness quick release 23 Harness hip pad 24 Drive disc 25 Cutting attachment gu...

Page 6: ...affect your vision judgement or co ordination Wear personal protective equipment See instructions under the Personal protective equipment heading Never use a machine that has been modified in any way from its original specification Never use a machine that is faulty Carry out the safety checks maintenance and service instructions described in this manual Some maintenance and service measures must ...

Page 7: ... and or repairs are not carried out professionally If you need further information please contact your nearest service workshop 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 You must use ap...

Page 8: ...tart 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 checked See instructions under the heading Maintenance Stop switch Use the stop switch to switch off the engine Start the engine and make sure th...

Page 9: ...adjusted check that the harness quick release works correctly Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user A muffler fitted with a catalytic converter is also designed to reduce harmful exhaust gases In countries that have a warm and dry climate there is a significant risk of fire We therefore fit certain mufflers with a spark arr...

Page 10: ...imes Cutting equipment This section describes how to choose and maintain your cutting equipment in order to Reduce the risk of blade thrust Obtain maximum cutting performance Extend the life of cutting equipment WARNING Mufflers fitted with catalytic converters get very hot during use and remain so for some time after stopping This also applies at idle speed Contact can result in burns to the skin...

Page 11: ...llow our instructions and use the recommended setting tool An incorrectly set saw blade increases the risk of jamming and blade thrust and damage to the saw blade Check the cutting attachment for damage or cracks A damaged cutting attachment should always be replaced Sharpening grass knifes and grass blades See the cutting attachment packaging for correct sharpening instructions Sharpen blades and...

Page 12: ...immer 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 recommended cutting attachment See the chapter on Technical data Smaller machines generally require small trimmer heads and vice versa This is because when clearing using a cord the engine must throw out the ...

Page 13: ...handlebar can easily be turned to fit along the shaft for easier transportation and storage Loosen the knob Turn the handlebar clockwise so that the throttle handle rests against the engine Now twist the handlebar around the shaft Tighten the knob Fit the transport guard to the cutting attachment Assembling the cutting equipment Always wear approved protective gloves 545 FR 545 FX 545 FXT 545 RX 5...

Page 14: ...tter Hook the blade guard combination guard A onto the fitting on the shaft and secure with the bolt CAUTION Ensure that the guard extension is removed Use the recommended blade guard See the Technical data section Turn the output shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing Insert the locking pin C in the hole to lock the shaft Place the bl...

Page 15: ...the blade guard as possible To tighten the nut turn the spanner in the opposite direction to the direction of rotation Caution left hand thread When loosening and tightening the saw blade nut there is a risk of injury from the teeth of the saw blade You should therefore always ensure that your hand is shielded by the blade guard when doing this Always use a socket spanner with a shaft that is long...

Page 16: ...ten the hip strap so that it sits securely 2 Tighten the chest strap under your left arm so that it fits closely around your body 3 Adjust the shoulder strap to distribute the load evenly across your shoulders Press downwards on the suspension hook to load the harness 4 Adjust the height of the suspension hook as described in the instructions for the standard harness Forestry clearing 5 If you nee...

Page 17: ...t the person s height Move the shoulder strap attachment to a suitable hole in the back plate by pressing in the spring loaded lock and twisting the shoulder strap attachment 2 Tighten the hip strap so that it sits securely 3 The hip belt should hang roughly in line with the hip bone 4 Press the breast plate together 5 Attach the side belt to the breast plate 6 To relieve pressure on the rib cage ...

Page 18: ...int on the backplate The front belt that is attached to the breast plate can also be adjusted if necessary 10 The elastic strap B can be tightened to transfer more load from the shoulder straps to the hip strap Correct balance 1 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 ...

Page 19: ...usqvarna alkylate fuel for best performance The fuel contains less harmful substances compared to regular fuel which reduces harmful exhaust fumes The fuel provides low amount of residues when combusted which keeps the engine parts cleaner and optimizes the engine life Husqvarna alkylate fuel is not available in all markets Ethanol blended fuel E10 may be used max 10 ethanol blend Using ethanol bl...

Page 20: ...nk can cause operating problems Ensure that the fuel is well mixed by shaking the container before filling the tank WARNING The catalytic converter muffler gets very hot during and after use This also applies during idling Be aware of the fire hazard especially when working near flammable substances and or vapours WARNING Taking the following precautions will lessen the risk of fire Mix and pour f...

Page 21: ... fitted and undamaged before you start the machine Starting and stopping Cold engine Choke Set the choke control A in the choke position Primer bulb Press the air purge diaphragm B repeatedly until fuel begins to fill the diaphragm The diaphragm need not be completely filled Warm engine Use the same starting procedure as for a cold engine but without setting the choke control in the choke position...

Page 22: ...w quickly and powerfully pull the cord Never twist the starter cord around your hand Repeat pulling the start handle until the engine starts When the engine starts return choke control to run position and apply full throttle the throttle will automatically disengage from the start setting CAUTION Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is ...

Page 23: ...fter being cut If you 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 serious personal injury 6 Keep a good balance and a firm foothold Do not overreach Keep proper footing and balance at all times 7 Always hold the machine with both hands Hold the machine on the right side of your body Kee...

Page 24: ... of injury The bevel gear can get hot during use and may remain so for a while afterwards You could get burnt if you touch it WARNING Watch out for thrown objects Always wear approved eye protection Never lean over the cutting attachment guard Stones rubbish etc can be thrown up into the eyes causing blindness or serious injury Keep unauthorised persons at a distance Children animals onlookers and...

Page 25: ...gonally 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 To fell a tree forwards the bottom of the tree should be pulled backwards Pull the blade backwards with a quick firm movement Large stems must be cut from two sides First determine which direction the stem will fall Make the...

Page 26: ...ound Reduce the risk of material wrapping around the blade by following these instructions 1Always work at full throttle 2Avoid the previously cut material during the return stroke 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 Trimming Hold the trimmer head just above the ground at an angle It ...

Page 27: ...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 Hold the cord parallel to and above the area to be swept and move the tool side to side When cutting and sweeping you should use full throttle to obtain the best results ...

Page 28: ... anti clockwise until the cutting attachment stops Then turn adjuster screw A clockwise a further 1 2 turn Muffler CAUTION Some mufflers are fitted with a catalytic converter See chapter on Technical data to see whether your machine is fitted with a catalytic converter The muffler is designed to reduce the noise level and to direct the exhaust gases away from the operator The exhaust gases are hot...

Page 29: ...cylinder Air filter The air filter must be regularly cleaned to remove dust and dirt in order to avoid Carburettor malfunctions Starting problems Loss of engine power Unnecessary wear to engine parts Excessive fuel consumption Clean the filter every 25 hours or more regularly if conditions are exceptionally dusty Check air filter 545FR 545RX 545RXT paper filter Set the choke control in the choke p...

Page 30: ...air filter These factors cause deposits on the spark plug electrodes which may result in operating problems and starting difficulties If the machine is low on power difficult to start or runs poorly at idle speed always check the spark plug first before taking any further action If the spark plug is dirty clean it and check that the electrode gap is 0 5 mm The spark plug should be replaced after a...

Page 31: ...inder cover and make sure the rubber bellows on the wire has not been expanded too much Unscrew the plug on the grease nipple Use antifreeze spray with a 2 mm spray tube Spray in short bursts Fit covers 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 IMPORTANT Any maintenance o...

Page 32: ...ated or wet Make sure that the spark plug is dry and clean Spark plug gap incorrect Clean the spark plug Check that the electrode gap is correct Make sure that the spark plug is fitted with a suppressor Refer to technical data for correct electrode gap Spark plug Spark plug loose Retighten the spark plug Fuel filter Clogged fuel filter Replace the fuel filter Engine starts but does not stay runnin...

Page 33: ... a support cup with bearings X Check that the transport guard for the blade is intact and that it can be secured correctly X Check that nuts and screws are tight X Check that there are no fuel leaks from the engine tank or fuel lines X Check the starter and starter cord X Check that the vibration damping elements are not damaged X Clean the outside of the spark plug Remove it and check the electro...

Page 34: ...peed rpm 2700 2700 2700 Speed of output shaft rpm 8800 8800 8800 Max engine output acc to ISO 8893 kW rpm 2 1 9000 2 1 9000 2 1 9000 Catalytic converter muffler No No No Ignition system Spark plug NGK CMR6H NGK CMR6H NGK CMR6H Electrode gap mm 0 5 0 5 0 5 Fuel and lubrication system Fuel tank capacity litre cm3 0 9 0 9 0 9 Weight Weight without fuel cutting attachment and guard kg 8 7 8 9 8 7 Nois...

Page 35: ...2 Stroke mm 33 33 Idle speed rpm 2700 2700 Recommended max speed rpm 12400 12400 Speed of output shaft rpm 9600 9600 Max engine output acc to ISO 8893 kW rpm 2 2 9000 2 2 9000 Catalytic converter muffler No No Ignition system Spark plug NGK CMR6H NGK CMR6H Electrode gap mm 0 5 0 5 Fuel and lubrication system Fuel tank capacity litre 0 9 0 9 Weight Weight without fuel cutting attachment and guard k...

Page 36: ...503 95 43 01 544 46 43 01 T45x Ø 2 7 3 3 mm cord 503 95 43 01 544 46 43 01 Support cup Fixed 545FX 545FXT Approved accessories Type Cutting attachment guard Art no Centre hole in blades cutters Ø 25 4 mm Output shaft thread M12 Grass blade grass cutter Multi 255 3 Ø 255 3 teeth 537 29 74 01 544 46 43 01 Multi 275 4 Ø 275 4 teeth 537 29 74 01 544 46 43 01 Multi 300 3 Ø 300 3 teeth 537 29 74 01 544 ...

Page 37: ...untary type examination on behalf of Husqvarna AB The certificates are numbered SEC 11 2294 545FR SEC 11 2293 545RX RXT SEC 11 2292 545FX 545FXT SMP Svensk Maskinprovning AB has also verified agreement with appendix V of the council s directive 2000 14 EG The certificates have the numbers 01 164 073 545FR 01 164 073 545RX RXT 01 164 072 545FX 545FXT Huskvarna March 30 2016 Per Gustafsson Developme...

Page 38: ......

Page 39: ...1 2 3 4 5 6 7 8 9 35 50 NM 15 cm 6 Clic 3 5 m 11 7 0 m 23 2 4 3 3 mm 095 130 12 cm 5 Trimmy SII ...

Page 40: ......

Page 41: ...A 2 7 4 0 mm 105 160 B 8 m 26 C 15 cm 5 9 1 2 3 5 6 7 9 4 8 6 15 cm B C A T55x Clic ...

Page 42: ... Clic 1 2 3 5 6 7 9 10 m 32 4 8 4 3 m 14 2 7 3 3 mm 106 13 10 cm 4 6 15 cm T45 T45x ...

Page 43: ... z ZwT 6 z ZwT 6 2018 10 10 Original instructions ...

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