Husqvarna 524R Operator'S Manual Download Page 5

Page: 5 / 36

English

–

WHA

T IS

WHA

What is what on the brush cutter?

Blade

Grease filler cap, bevel gear

Bevel gear

Cutting attachment guard

Shaft

Handlebar

Throttle control

Stop switch

Throttle lockout

10 Support eyes for harness

11 Cylinder cover

12 Starter handle

13 Fuel tank

14 Choke control

15 Air purge

16 Air filter cover

17 Handle adjustment

18 Locking nut

19 Support flange

20 Support cup

21 Drive disc

22 Trimmer head

23 Socket spanner

24 Operator

′

s manual

25 Transport guard

26 Allen key

27 Locking pin

28 Harness

29 Start throttle button

30 Adjusting the throttle wire

Summary of Contents for 524R

Page 1: ...E E E En n n ng g g gl l l li i i is s s sh h h h 324RX series Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...th saw blades or grass blades can be thrown violently to the side when the blade comes into contact with a fixed object This is called blade thrust The blade is capable of amputating an arm or leg Always keep people and animals at least 15 metres from the machine Arrows which show limits for handle positioning Always wear approved protective gloves Wear sturdy non slip boots Only use non metallic ...

Page 3: ...Fuel handling 17 Fuel 17 STARTING AND STOPPING Check before starting 19 Starting and stopping 19 WORKING TECHNIQUES General working instructions 21 MAINTENANCE Carburettor 25 Muffler 25 Cooling system 26 Spark plug 26 Air filter 26 Maintenance schedule 28 TECHNICAL DATA Technical data 29 EC declaration of conformity 30 WARNING Long term exposure to noise can result in permanent hearing impairment ...

Page 4: ...dustry Husqvarna s aim is also to be in the front edge according to ergonomics usability security and environmental protection That is the reason why we have developed many different features to provide 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 ...

Page 5: ...rottle lockout 10 Support eyes for harness 11 Cylinder cover 12 Starter handle 13 Fuel tank 14 Choke control 15 Air purge 16 Air filter cover 17 Handle adjustment 18 Locking nut 19 Support flange 20 Support cup 21 Drive disc 22 Trimmer head 23 Socket spanner 24 Operator s manual 25 Transport guard 26 Allen key 27 Locking pin 28 Harness 29 Start throttle button 30 Adjusting the throttle wire ...

Page 6: ...Maintenance All covers guards and handles must be fitted before starting Ensure that the spark plug cap and ignition lead are undamaged to avoid the risk of electric shock The machine operator must ensure that no people or animals come closer than 15 metres while working When several operators are working in the same area the safety distance should be at least twice the tree height and no less tha...

Page 7: ...s This movement is controlled by two independent return springs This arrangement means that the throttle control is automatically locked at the idle setting Make sure the throttle control is locked at the idle setting when the throttle lockout is released Press the throttle lockout and make sure it returns to its original position when you release it Check that the throttle control and throttle lo...

Page 8: ...lade increases the level of vibration The machine s vibration damping system reduces the transfer of vibration between the engine unit cutting equipment and the machine s handle unit Regularly check the vibration damping units for cracks or deformation Check that the vibration damping element is undamaged and securely attached Quick release There is an easily accessible quick release fitted at the...

Page 9: ...king maintaining and servicing your machine Never use a machine that has a faulty muffler Regularly check that the muffler is securely attached to the machine If the muffler on your machine is fitted with a spark arrestor mesh this must be cleaned regularly A blocked mesh will cause the engine to overheat and may lead to serious damage Locking nut A locking nut is used to secure some types of cutt...

Page 10: ...nt Cutting equipment Saw blades are intended for cutting fibrous types of wood Grass blades and grass cutters are intended for cutting coarse grass A trimmer head is intended for trimming grass General rules Only use cutting attachments with the guards we recommend See the chapter on Technical data Keep the teeth of the blade correctly sharpened Follow our instructions and use the recommended file...

Page 11: ...rpening instructions A correctly sharpened blade is essential for working efficiently and to avoid unnecessary wear to the blade and brush cutter Make sure that the blade is well supported when you file it Use a 5 5 mm round file with a file holder The filing angle is 15 File alternate teeth to the right and those in between to the left If the blade has been heavily pitted by stones it may be nece...

Page 12: ...ng a cord the engine must throw out the cord radially from the trimmer head and overcome the resistance of the grass being cleared The length of the cord is also important A longer cord requires greater engine power than a shorter cord of the same diameter Make sure that the cutter on the trimmer guard is intact This is used to cut the cord to the correct length To increase the life of the cord it...

Page 13: ...dlebar 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 WARNING When fitting the cutting attachment it is extremely important th...

Page 14: ...sible To tighten the nut turn the spanner in the opposite direction to the direction of rotation Caution left hand thread Fitting the blade guard and saw blade Remove the mounting plate H Fit the adapter I and bracket J with the two screws K as shown Fit the blade guard A to the adapter using the 4 screws L as shown CAUTION Use the recommended blade guard See the Technical data section Fit the dri...

Page 15: ...o lock the shaft To fit the trimmer head first separate the two halves see diagram Proceed as follows Insert a finger into the centre hole of the cover I while grasping the cover with your other fingers Using the index finger and thumb of your other hand release the two catches J that engage in the cut outs in the bottom half K Pull apart the trimmer head grasping the cover firmly Place the cover ...

Page 16: ...from the machine and harness Spreading the load on your shoulders 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 Correct height Adjust the shoulder strap so that the cutting attachment is parallel to the ground Correct balance Let the cutting attachmen...

Page 17: ...wer octane grade than 90 so called knocking can occur This gives rise to a high engine temperature and increased bearing load which can result in serious engine damage When working at continuous high revs a higher octane rating is recommended If the machine is not used for some time the fuel tank should be emptied and cleaned Engine oil Check the oil level before starting the machine A too low oil...

Page 18: ...ays move the machine about 3 metres from the refuelling position before starting WARNING Taking the following precautions will lessen the risk of fire Do not smoke or place hot objects near fuel Always shut off the engine before refuelling Always stop the engine and let it cool for a few minutes before refuelling When refuelling open the fuel cap slowly so that any excess pressure is released gent...

Page 19: ...d if it is exposed to impact or is cracked Check that the trimmer head and trimmer guard are not damaged or cracked Replace the trimmer head or trimmer guard if they have been exposed to impact or are cracked Never use the machine without a guard nor with a defective guard All covers must be correctly fitted and undamaged before you start the machine Starting and stopping Cold engine Ignition Set ...

Page 20: ...ss the throttle lockout and throttle trigger again Starting Hold the body of the machine on the ground using your left hand CAUTION Not with your foot Grip the starter handle slowly pull out the cord with your right hand until you feel some resistance the starter pawls grip now quickly and powerfully pull the cord Never twist the starter cord around your hand Repeat pulling the cord until the engi...

Page 21: ... spring back to its normal position before or after 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 7 Always hold the machine with both hands Hold the machine on the right side of your body 8 Keep the cutting...

Page 22: ...ne and cutting equipment before you remove material that has wound around the blade shaft as otherwise there is a risk 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 in...

Page 23: ...first cut on the felling side Then finish cutting the stem from the other side Adjust the cutting pressure to match the size of the stem and the hardness of the wood Small stems require more pressure while large stems require less pressure If the stems are tightly packed adapt your walking pace to suit If the blade jams in a stem never jerk the machine free If you do this the blade bevel gear shaf...

Page 24: ...The cord can easily remove grass and weeds up against walls fences trees and borders however it can also damage sensitive bark on trees and bushes and damage fence posts Reduce the risk of damaging plants by shortening the cord to 10 12 cm and reducing the engine speed Clearing The clearing technique removes all unwanted vegetation Keep the trimmer head just above the ground and tilt it Let the en...

Page 25: ...nt starts to rotate 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 and can contain sparks which may cause fire if directed against dry and combustible ma...

Page 26: ... use the recommended spark plug type Use of the wrong spark plug can damage the piston cylinder Check that the spark plug is fitted with a suppressor 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 ...

Page 27: ... through the filter quite quickly and collect in the bottom Bevel gear The bevel gear is filled with the right quantity of grease at the factory However before using the machine you should check that the bevel gear is filled three quarters full with grease Use HUSQVARNA special grease The grease in the bevel gear does not normally need to be changed except if repairs are carried out ...

Page 28: ...necessary X Check that the locking nut of the cutting equipment is tighten 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 that the transport guard for the blade is intact and that it can be secured correctly X Check the engine oil level and top up if necessary X Check the starter and starter cord X Check that the vib...

Page 29: ...e Cylinder displacement cm3 25 0 Cylinder bore mm 35 Stroke mm 26 Idle speed rpm 3100 Recommended max speed rpm 11000 Speed of output shaft rpm 8300 Max engine output acc to ISO 8893 kW rpm 0 8 7000 Catalytic converter muffler No Speed regulated ignition system No Ignition system Spark plug NGK CMR5H Electrode gap mm 0 6 Fuel and lubrication system Fuel tank capacity litre 0 5 Weight Weight withou...

Page 30: ... Uppsala Sweden has performed voluntary type examination on behalf of Husqvarna AB The certificates are numbered SEC 09 2169 01 164 039 Huskvarna December 29 2009 Bo Jonsson Development manager Authorized representative for Husqvarna AB and responsible for technical documentation Approved accessories Type Cutting attachment guard Art no Blade shaft thread M10 Grass blade grass cutter Grass 255 4 1...

Page 31: ...1 Super Auto II Super Auto II 1 2 3 4 5 6 7 8 9 10 4 0 m 13 2 4 mm 095 2 0 m 6 5 6 6 15 cm 15 cm ...

Page 32: ......

Page 33: ... Clic 1 2 3 5 6 7 10 11 8 5 m 28 4 8 4 2 m 14 2 4 2 7 mm 095 106 10 cm 4 6 15 cm S35 ...

Page 34: ...1 2 4 3 2 4 2 7 mm 095 106 4 25 m 14 4 25 m 14 B 6 15 cm A 6 15 cm S35 5 ...

Page 35: ...T35 T35x Clic 1 2 3 5 6 7 9 8 5 m 28 4 8 4 3 m 14 2 4 2 7 mm 095 106 10 cm 4 6 15 cm ...

Page 36: ...Original instructions z U h 64 z U h 64 2010 03 30 1153287 26 ...

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