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Operator’s manual (EPA)
335LS 335L
X-series
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.
E E E En n n ng g g glllliiiis s s sh h h h
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15 m 50FT KEY TO SYMBOLS Symbols 1. WARNING! Clearing saws, brushcutters 2. and trimmers can be dangerous! Careless or incorrect use can result in serious or Starting instructions fatal injury to the operator or others. 3. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. 4. Always wear: • A protective helmet where there is a risk of falling objects • Approved hearing protection O
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CONTENTS Contents Note the following before starting: KEY TO SYMBOLS Please read the operator’s manual carefully. Symbols ....................................................................... 2 Maintenance, replacement, or repair of the emission control CONTENTS devices and system may be performed by any nonroad Contents ...................................................................... 3 engine repair establishment or indivi
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INTRODUCTION Dear customer! 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 Huskvarna River, for production of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the water-powered plant. During over 300 years of continuous operation, the Husqvarna factory has produced a lo
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WHAT IS WHAT? 20 24 23 What is what on the clearing saw? 1 Trimmer head 13 Cylinder cover 2 Grease filler cap, bevel gear 14 Starter handle 3 Bevel gear 15 Fuel tank 4 Cutting attachment guard 16 Choke control 5 Shaft 17 Air filter cover 6 Handle adjustment 18 Air purge 7 Loop handle 19 Operator’s manual 8 Suspension ring 20 Harness 9 Stop switch 21 Allen key 10 Throttle lockout 22 Drive disc 11 Throttle control 23 Locking pin 12 Spark plug cap and spark plug 24 Spark plug spanner Engl
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GENERAL SAFETY PRECAUTIONS Important Personal protective equipment IMPORTANT! IMPORTANT! The machine is only designed for trimming grass. A clearing saw, brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or The only accessories you can operate with this engine unit fatal injury to the operator or others. It is extremely are the cutting attachments we recommend in the chapter important that you read and understand the conten
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GENERAL SAFETY PRECAUTIONS CLOTHING Make sure the throttle control is locked at the idle setting when the throttle lockout is released. Wear clothes made of a strong fabric and avoid loose clothing that can catch on twigs and branches. Always wear heavy, long pants. Do not wear jewellery, shorts sandals or go barefoot. Secure hair so it is above shoulder level. FIRST AID KIT Always have a first aid kit nearby. Press the throttle lockout and make sure it returns to
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GENERAL SAFETY PRECAUTIONS Check that the vibration damping element is undamaged and Cutting attachment guard securely attached. WARNING! Overexposure to vibration can lead to circulatory damage or nerve damage This guard is intended to prevent loose objects from being ! in people who have impaired circulation. thrown towards the operator. The guard also protects the Contact your doctor if you experience operator from accidental contact with the cutting attachment. sympto
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GENERAL SAFETY PRECAUTIONS If the muffler on your machine is fitted with a spark arrestor Trimmer head screen this must be cleaned regularly. A blocked screen will cause the engine to overheat and may lead to serious IMPORTANT! damage. Always ensure the trimmer cord is wound tightly and evenly around the drum, otherwise the machine will generate harmful vibration. • Only use the recommended trimmer heads and trimmer cords. These have been tested by the manufacturer to suit a particular engi
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ASSEMBLY Fitting the loop handle Assembling the cutting equipment • Clip the loop handle onto the shaft. Note that the loop handle must be fitted between the arrows on the shaft. WARNING! When fitting the cutting attachment it is ! extremely important that the raised section on the drive disc/support flange engages correctly in the centre hole of the cutting attachment. If the cutting attachment is fitted incorrectly it can result in serious and/or fatal personal injury. • Slide the spacer i
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FUEL HANDLING Gasoline Fuel safety Never start the machine: 1 If you have spilled fuel on it. Wipe off the spillage and allow remaining fuel to evaporate. CAUTION! Always use a quality gasoline/oil mixture with an octane rating of at least 87 octane ((RON+MON)/2). If your 2 If you have spilled fuel on yourself or your clothes, change machine is equipped with a catalytic converter (see chapter your clothes. Wash any part of your body that has come in on Technical data) always use a good qu
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FUEL HANDLING Mixing Fueling • Always mix the gasoline and oil in a clean container intended for fuel. • Always start by filling half the amount of the gasoline to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture. Add the remaining amount of gasoline. WARNING! Taking the following precautions, will lessen the risk of fire: • Mix (shake) the fuel mixture thoroughly before filling the ! machine’s fuel tank. Do not smoke or place hot objects near fuel. Always shut off the
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STARTING AND STOPPING Check before starting Starting and stopping • Check that the support flange is not cracked due to fatigue or due to being tightened too much. Discard the support WARNING! The complete clutch cover and flange if it is cracked. shaft must be fitted before the machine is ! started, otherwise the clutch can come loose and cause personal injury. Always move the machine away from the refuelling area before starting. Place the machine on a flat surface. Ensure the cutting atta
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STARTING AND STOPPING CAUTION! Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully 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 switch autom
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WORKING TECHNIQUES 6 Always hold the machine with both hands. Hold the General working instructions machine on the right side of your body. IMPORTANT! This section takes up the basic safety precautions for working with a trimmer. 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 you consider to be beyond your capability. You must understand the difference between forestry clearin
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WORKING TECHNIQUES Sweeping Grass trimming with a trimmer head • 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. Trimming • Hold the trimmer head just above the ground at an angle. It is the end of the cord that does the work. Let the cord work at its own pace. Never press the cord into the area to be cut. • When cutting and sweeping you should use full throttle to obtain
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MAINTENANCE Basic setting Carburetor • The basic carburetor settings are adjusted during testing Your Husqvarna product has been designed and at the factory. The basic setting is richer than the optimal manufactured to specifications that reduce harmful setting and should be maintained for the first few hours the emissions. After the engine has used 8-10 tanks of fuel the machine is in use. The carburettor should then be finely engine will be run-in. To ensure that it continues to run at pea
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MAINTENANCE Fine adjustment of the idle speed T Correctly adjusted carburetor Adjust the idle speed using the idle adjustment screw T, if it is When the carburetor is correctly adjusted the machine will necessary to readjust. First turn the idle adjustment screw T accelerate without hesitation and burble a little at maximum clockwise until the cutting attachment starts to rotate. Then speed. It is also important that the cutting attachment does turn the screw anticlockwise until the cutting a
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MAINTENANCE Cooling system Air filter To keep the working temperature as low as possible the The air filter must be regularly cleaned to remove dust and dirt machine is equipped with a cooling system. in order to avoid: • Carburettor malfunctions • Starting problems • Loss of engine power • Unnecessary wear to engine parts • Excessive fuel consumption. The cooling system consists of: 1 Air intake on the starter. 2 Cooling fins on the cylinder. 3 Cylinder cover (directs cold air over the cyli
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MAINTENANCE Spark plug The spark plug condition is influenced by: • Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). • A dirty 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 a
