Husqvarna 353O4 Operator'S Manual Download Page 24 | Manualshive

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Summary of Contents for 353O4

Page 1: ...Operator s manual 353O4 353O4X series Please read the operator s manual carefully and make sure you understand the instructions before using the machine English ...

Page 2: ... branches and other objects especially if they are wet Always keep a distance of at least 10 m between the machine and high voltage power lines and or any objects that are touching them If have to work within this safe distance you should always contact the relevant power company to make sure the power is switched off before you start work This machine has a long reach Make sure that no people or ...

Page 3: ... before starting INTRODUCTION Dear Customer WHAT IS WHAT What is what GENERAL SAFETY PRECAUTIONS Important Personal protective equipment Machine s safety equipment ASSEMBLY Fitting the cutting head Fitting the bar and chain Adjusting the harness Filling with oil Assembling and dismantling the two piece shaft Fitting the impact guard Assembly of the saw attachment FUEL HANDLING Fuel safety Fuel Fue...

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: ...ft handle 4 Throttle control 5 Stop swich 6 Throttle lock 7 Cylinder cover 8 Starter handle 9 Fuel tank 10 Air ﬁlter cover 11 Side distancer 12 Combination screwdirver 13 Allen Key 14 Combination Spanner 1 2 3 11 7 10 8 9 4 6 5 12 13 14 English 5 ...

Page 6: ...em of this machine produces an electromagnetic ay under some circumstances interfere with pacemakers To reduce the risk of serious or fatal injury we recommend persons with pacemakers to consult their p hysician and the pacemaker manufacturer before operating this machine WARNING Running an engine in a ly ventilated area can result in death due to asphyxiation or carbon monoxide poisoning WARNING ...

Page 7: ...dependent 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 lockout move freely and that the return s...

Page 8: ...h 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 machine is fitted with a spark arrestor mesh this must be cleaned regularly A blocked mesh will cause the engine to overheat...

Page 9: ... handles is in it s correct position SHAFT ASSEMBLY Introduce the first part of the shaft with diameter 34mm inside the union parts of the machine Tighten the screws of the union parts in the order showed on the picture bellow Turn the shaft 1 2 3 1 2 3 WARNING Don t tighten the screws too much if they are getting too tight mechanical problems can appear maximum torque is 10 Nm Tighten the screws ...

Page 10: ... unions is uniform Place the lugs in the hook of the harneses then introduce the lug in the towing hook of the machine as showed in the pictures then screw the security nuts oon the lugs Take the strips on the harnes and suit it according the user after that put the harnes in your left shoulder take the machine and rise it up them prove the adjustment and the confort of the harnes if it s correct ...

Page 11: ...even small 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 i...

Page 12: ... 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 the ris...

Page 13: ...osition 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 WARNING The complete clutch cover and pole must be fitted before the machine is started ot...

Page 14: ... extended This can damage the machine CAUTION Do not put 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 Stopping Stop the engine by switching off the ignition CAUTION The stop is not returning automatically to the start position In order to pre...

Page 15: ...s not flexible enough this branches can cause a backward movement causing an unbalance of the machine According to the morphology of the branch it is possible to observe that the hook can be drived out from the branch when it s hooked from the superior part In this situation the branch must be hooked for lower part IMPORTANT The most ideal labor with the machine is obtained by 1 or 2 acceleration ...

Page 16: ...varna SYNTHETIC HT Quantity 550 cc This operation has to be done always in the t echnical s ervices authorised by Husqvarna PREVENTIVE MAINTENANCE At the end of the collection season it is recommended to have a preventive maintenance check done by the Authorised Technical Service HOOK RUBBERS CHANGE Take off the 4 hook screws with a wrench These screws are placed in the marks Removethedamaged rubb...

Page 17: ...he basic setting is richer than the optimal setting and should be maintained for the first few hours the machine is in use The carburettor should then be finely adjusted Fine adjustment should be carried out by a skilled technician CAUTION If the shaft is moving when the engine is idling the idle adjustment screw T should be turned anti clockwise until the shaft stops moving Rec idle speed 2700 rp...

Page 18: ...nticlockwise until the engine starts to run unevenly Now turn the high speed jet H slowly clockwise a little way until the engine runs smoothly Note that the engine should not be under load when you adjust the high speed jet H You should therefore remove the cutting attachment nut support flange and drive disc before adjusting the high speed jet H The high speed jet H is adjusted correctly when th...

Page 19: ...ed this can be a sign that the performance of the catalytic converter is impaired Contact your dealer to inspect the muffler A blocked mesh will cause the machine to overheat and result in damage to the cylinder and piston See also instructions under the heading Maintenance CAUTION Never use a machine with a defective muffler Cooling system To keep the working temperature as low as possible the ma...

Page 20: ...cessive fuel consumption Clean the filter every 25 hours or more regularly if conditions are exceptionally dusty Cleaning the air fi lter Remo ve the air filter cover and take out the filter Wash it clean in warm soapy water Ensure that the filter is dry before refitting it An air filter that has been in use for along time cannot be cleaned completely The filter must therefore be replaced with a n...

Page 21: ...ean the area under the protective cover 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 5 mm or replace the spark plug Check that the spark plug is fitted with a suppressor X Clean the machine s cooling system X Clean or replace the spark arrestor mesh on...

Page 22: ...lated ignition system Yes Yes Ignition system Manufacturer type of ignition system Walbro MB Walbro MB Spark plug NGK CMR7H Electrode gap mm 0 6 0 7 0 6 0 7 Fuel and lubrication system Manufacturer type of carburettor Walbro Diaphragm type Walbro Diaphragm type Fuel tank capacity litre 0 8 0 8 Weight Weight without fuel kg 13 3 15 Sound levels see note 1 Equivalent sound pressure level at the oper...

Page 23: ...ate followed by the serial number comply with the requirements of the COUNCIL S DIRECTIVE relating to machinery 98 37 EC EN 61000 6 4 EN 61000 6 2 relating to electromagnetic compabiñity The following standards have been applied EN ISO 12100 1 EN ISO 12100 2 EN ISO 13850 EN1037 EN ISO 14121 1 APPLUS CAmpus Universitat Autonoma S N 08193 Cerdanyola del Valles has performed a voluntary type examinat...

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