Husqvarna 524 L Operator'S Manual Download Page 26 | Manualshive

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MAINTENANCE

26 – English

Cleaning the air filter

Close the choke valve by moving the choke control up.

Remove the air filter cover and take out the filter. Wash it
clean in warm, soapy water. Clean also the inside of the
filter cover by using air or a brush. Ensure that the filter is
dry before refitting it.

Remove the Felt filter from the filter holder and gently
brush debris from the filter. Check the rubber sealing
surface. Change the filter on the rubber seal if damaged.

An air filter that has been in use for a long time cannot be
cleaned completely. The filter must therefore be replaced
with a new one at regular intervals.

A damaged air filter

must always be replaced.

Damaged, very dirty, or fuel-

soaked air filter must always be replaced.

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.

H1155734-26,524L,525LST,RJD,.fm Page 26 Friday, March 8, 2013 7:19 AM

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Summary of Contents for 524 L

Page 1: ... En n n ng g g gl l l li i i is s s sh h h h 524 L 525 LST 525 RJD 525 RS Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...ed 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 flexible cutting attachments i e trimmer heads with trimmer cord Primer bulb Noise emission to the environment...

Page 3: ...STOPPING Check before starting 18 Starting and stopping 18 WORKING TECHNIQUES General working instructions 20 MAINTENANCE Carburettor 23 Muffler 24 Cooling system 25 Spark plug 25 Two piece shaft 25 Air filter 25 Maintenance schedule 27 TECHNICAL DATA Technical data 28 WARNING Long term exposure to noise can result in permanent hearing impairment So always use approved hearing protection WARNING U...

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: ...tch 9 Throttle lockout 10 Spark plug cap and spark plug 11 Cylinder cover 12 Starter handle 13 Fuel tank 14 Air filter cover 15 Primer bulb 16 Choke control 17 Locking nut 18 Support flange 19 Drive disc 20 Combination spanner 21 Allen key 22 Locking pin 23 Operator s manual 24 Support cup 25 Blade 26 Shaft coupling 525 RJD 27 J handle 28 Handle adjustment 29 Suspension ring 30 Adjusting the throt...

Page 6: ...e area the safety distance should be at least twice the tree height and no less than 15 metres Carry out an overall inspection of the machine before use See the maintenance schedule WARNING This machine produces an electromagnetic field during operation This field may under some circumstances interfere with active or passive medical implants To reduce the risk of serious or fatal injury we recomme...

Page 7: ...n you grasp the handle it releases the throttle control B When you release the handle the throttle control and the throttle lockout both move back to their original positions 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 ...

Page 8: ...ata Vibration damping system Your machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier Use of incorrectly wound cord or an incorrect cutting attachment increases the level of vibration See instructions under the heading Cutting equipment The machine s vibration damping system reduces the transfer of vibration between the engine unit c...

Page 9: ...e We therefore fit certain mufflers with a spark arrestor mesh Check whether the muffler on your machine is fitted with this kind of mesh For mufflers it is very important that you follow the instructions on checking 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 machin...

Page 10: ...e and maintain your cutting equipment in order to Reduce the risk of blade thrust Obtain maximum cutting performance Extend the life of cutting equipment Cutting equipment Grass blades and grass knifes are intended for cutting coarse grass A trimmer head is intended for trimming grass WARNING Bear in mind that The exhaust fumes from the engine are hot and may contain sparks which can start a fire ...

Page 11: ...atic 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 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 require...

Page 12: ... of the throttle handle Slide the throttle handle onto the right side of the handlebar see diagram Align the screw hole in the throttle handle with the hole in the handlebar Refit the screw in the hole in the rear of the throttle handle Screw the screw through the handle and handlebar Tighten it Unscrew the knob from the handlebar mounting Position the handlebar as shown Fit the mounting component...

Page 13: ...s in the reverse order Assembling and dismantling the two piece shaft 525 RJD Assembly Loosen the coupling by turning the knob Align the tab of the attachment A with the arrow on the coupling B Push the attachment into the coupling until the attachment snaps into place Before using the unit tighten the knob securely WARNING When fitting the cutting attachment it is extremely important that the rai...

Page 14: ...hole in the gear housing Insert the locking pin C in the hole to lock the shaft Place the blade D support cup E and support flange F on the output shaft Fit the nut G The nut must be tightened to a torque of 35 50 Nm 3 5 5 kpm Use the socket spanner in the tool kit Hold the shaft of the spanner as close to the blade guard as possible To tighten the nut turn the spanner in the opposite direction to...

Page 15: ...achine 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 attachment rest lightly on the ground If you use a saw blade it should balance about 10 cm above the gro...

Page 16: ...mall inaccuracies can drastically affect the ratio of the mixture Petrol CAUTION Always use a quality petrol oil mixture at least 90 octane RON If your machine is equipped with a catalytic converter see chapter onTechnical data always use a good quality unleaded petrol oil mixture Leaded petrol will destroy the catalytic converter Use low emission petrol also known as alkylate petrol if it is avai...

Page 17: ...uel cap Contamination in the tank 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 ...

Page 18: ...posed 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 Starting Primer bulb Press the primer ...

Page 19: ...ut any part of your body in marked area Contact can result in burns to the skin or electrical shock if the spark plug cap has been damaged Always use gloves Do not use a machine with damaged spark plug cap For throttle handles with a start throttle lock Set the throttle to the start position by first pressing the throttle lockout and the throttle trigger then pressing the start throttle button A T...

Page 20: ...ying or transporting the equipment any distance 9 Never put the machine down with the engine running unless you have it in clear sight IMPORTANT This section describes the basic safety precautions for working with brush cutters and trimmers If you encounter a situation where you are uncertain how to proceed you should ask an expert Contact your dealer or your service workshop Avoid all usage which...

Page 21: ... be cut 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 Le...

Page 22: ...e 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 to and fro When cutting and sweeping you should use full throttle to obtain the best results IMPORTANT To avoid unbalance and vibr...

Page 23: ...ne speed The T screw regulates the throttle setting at idle speed If the T screw is turned clockwise this gives a higher idle speed turning it anti clockwise gives a lower idle speed Basic setting The basic carburettor settings are adjusted during testing at the factory The basic setting is richer than the optimal setting and should be maintained for the first few hours the machine is in use The c...

Page 24: ...ain sparks which may cause fire if directed against dry and combustible material Some mufflers are equipped with a special spark arrestor mesh If your machine has this type of muffler you should clean the mesh at least once a week This is best done with a wire brush On mufflers without a catalytic converter the mesh should be cleaned weekly or replaced if necessary On mufflers fitted with a cataly...

Page 25: ...chine 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 65 mm The spark plug should be replaced after about a month in operation or earlier if necessary CAUTION Always use the recommended spark plug type Use of the wrong spark plug can damage th...

Page 26: ...e filter on the rubber seal if damaged An air filter that has been in use for a long time cannot be cleaned completely The filter must therefore be replaced with a new one at regular intervals A damaged air filter must always be replaced Damaged very dirty or fuel soaked air filter must always be replaced Bevel gear The bevel gear is filled with the right quantity of grease at the factory However ...

Page 27: ...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 electrode gap Adjust the gap to 0 65 mm or replace the spark plug Check that the spark plug is fitted with a suppressor X Clean the machine s cooling sy...

Page 28: ...verter muffler Yes Yes Yes Yes Speed regulated ignition system Yes Yes Yes Yes Ignition system Manufacturer type of ignition system IKEDA UK IKEDA UK IKEDA UK IKEDA UK Spark plug NGK BPMR8Y NGK BPMR8Y NGK BPMR8Y NGK BPMR8Y Electrode gap mm 0 65 0 65 0 65 0 65 Fuel and lubrication system Manufacturer type of carburettor walbro WTEA 8C walbro WTEA 8C walbro WTEA 8C walbro WTEA 8C Fuel tank capacity ...

Page 29: ...hread M10 Plastic blades Tricut Ø 300 mm 503 93 42 02 Grass blade grass cutter Grass 255 4 1 Ø 255 4 teeth 503 93 42 02 Trimmer head Trimmy Fix 503 93 42 02 503 97 71 01 Superauto II 1 503 93 42 02 503 97 71 01 S35 503 93 42 02 503 97 71 01 T35 T35x 503 93 42 02 503 97 71 01 Alloy up to Ø 2 4 mm cord 503 93 42 02 509 77 10 01 ...

Page 30: ...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 31: ......

Page 32: ... 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 33: ...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 34: ...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 35: ...1 2 3 4 5 ø 2 0 2 4 mm 080 095 M10 550 mm 22 Alloy ...

Page 36: ...Original instructions z WiJ 8y z WiJ 8y 2013 03 08 1155734 28 ...

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