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325HS75/HS99
Operator's Manual
Please read these instructions carefully and make sure
you understand them before using the hedge trimmer.
101 90 46-26
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SYMBOL EXPLANATION Symbols Checks and/or maintenance should be carried out with the engine switched off, with the stop switch in the STOP position. WARNING! The hedge trimmer can be dangerous! Careless or incorrect use can result in serious, even fatal injury. Always use approved protective gloves. Read through the Operator‘s Manual carefully and understand the content before using the hedge trimmer. Regular cleaning required. Always use • Ear protection • Approved eye protection Ocular control.
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CONTENTS List of contents Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice. SYMBOL EXPLANATION Symbols ............................................................................... 2 CONTENTS WARNING! List of contents .................................................................... 3 Under no circumstances may the design ! of the machine be modified without the SAFETY INSTRUCTIO
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SAFETY INSTRUCTIONS Personal protective eqipment The machine’s protective equipment This section describes the hedge trimmer’s protective equip- IMPORTANT INFORMATION ment, its function and how checks and maintenance are • Incorrect or careless use of a hedge trimmer can carried out to ensure that it operates correctly. (See the chapter turn it into a dangerous tool that can cause ”What is what” to locate where this equipment is positioned on serious or even fatal injury. It is extremely your ma
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SAFETY INSTRUCTIONS 5. Muffler 4. Vibration damping system The muffler is designed to give the lowest possible noise The hedge trimmer is level and to direct the equipped with a vibration engine‘s exhaust fumes away damping system, which is from the operator. Muffler designed to give as vibra- fitted with catalytic con- tion-free and comfortable verter is also designed to use as possible. reduce harmful exhaust components. The hedge trimmer’s In countries that have a vibration damping system war
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SAFETY INSTRUCTIONS Control, maintenance and service of WARNING! the hedge trimmer’s protective Never use a machine with defective safety ! equipment. The safety equipment should equipment be maintained as described in this section. If your machine does not meet any of these controls you should contact IMPORTANT INFORMATION your service workshop. • All service and repairs to the machine require special training. • This applies especially to the machine‘s safety WARNING! equipment. If the machine
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SAFETY INSTRUCTIONS 5. Muffler 7. Blade guard • Never use a machine that • Replace the blades if they has a defective muffler. are bent or damaged. • Check regularly that the muffler is secure. • If your muffler is fitted with a spark arrest screen then it should be cleaned regularly. A blocked screen leads to the engine overheating with serious damage as a result. Never use a muffler with a defective spark arrest screen. 6. Blades To ensure good cutting results it is important that the contact
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SAFETY INSTRUCTIONS Fuel safety General safety instructions • Always use a fuel IMPORTANT INFORMATION container with an anti- • The machine is only designed for cutting spill valve. branches and twigs. • Never fill the machine • Never use the machine if you are tired, if you while the engine is have consumed alcohol, or if you are taking running. Always stop the medicines that can affect your sight, your engine and let it cool for judgement or the control of your body. a few minutes before refue
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SAFETY INSTRUCTIONS Safety instructions when Protective using the hedge trimmer instructions while working WARNING! The hedge trimmer can cause serious • Always ensure you have a ! personal injury. Read the safety safe and firm working instructions carefully. Learn how to use position. the machine. • Always use both hands to hold the machine. Hold the machine in front of you. WARNING! Cutting tool. Do not touch the tool ! without first switching off the engine. • Use your left hand to operate th
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SAFETY INSTRUCTIONS Protective instructions when work is completed • The transport guard should always be fitted to the blades when the machine is not in use. • Ensure the blades have stopped and remove the spark plug cable from the spark plug before carrying out cleaning, repairs or an inspection. • Always wear heavy duty gloves when repairing the blades. The blades are extremely sharp and can easily causes cuts. • Store the machine out of reach from children. • Only use original spare parts wh
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WHAT IS WHAT? 18 3 19 2 17 8 7 5 6 9 10 11 4 12 16 1 15 13 14 What is what on the hedge trimmer? 16. Air filter cover 1. Operator’s Manual 17. Spark plug spanner 2. Grease nipple 18. Allen key 3. Gearbox 19. Blade cover (Transport) 4. Blades 5. Hand guard 6. Handle 7. Cylinder cover 8. Starter handle 9. Fuel cap 10. Fuel tank 11. Air purge 12. Choke 13. Throttle trigger lock 14. Throttle trigger 15. Stop switch English – 11
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FUEL HANDLING Mixture Fuel NOTE! • Always mix petrol and oil in a clean container intended for The machine is fitted with a two-stroke engine and must petrol. always be run on a mixture of petrol and two-stroke oil. It is • Always start by filling half the quantity of petrol required. important to measure the quantity of oil accurately, to ensure Then add the entire oil quantity. Mix (shake) the fuel the correct mixture ratio. Small discrepancies in the amount of mixture. Fill the remaining quan
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START AND STOP Warm engine Control before starting IGNITION: • Inspect the working area. Remove objects that can be Set the stop switch to the thrown. start position. • Check the blades. Never use blades that are dull, CHOKE: B cracked or damaged. Set the choke control in the • Check that the hedge choke position and then trimmer is in full back again to its original working order. Check position (B) that all nuts and bolts are In this way only the start tightened correctly. throttle is applied
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MAINTENANCE Basic setting Carburettor • The carburettor is set to its basic setting when test run at Your Husqvarna product has been designed and manufac- the factory. The basic setting is richer than the optimal tured to specifications that reduce harmful emissions. setting and should be kept during the machine’s first After your unit has been run 8-10 tanks of fuel the engine working hours. Thereafter the carburettor should be finely has broken in. To ensure that your unit is at peak perform-
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MAINTENANCE Adjusting the idle speed, T Correctly adjusted carburettor A correctly adjusted carburettor means that the machine Adjust the idling speed with accelerates without hesitation and the machine 4-cycles a little the screw T, if it is necessary T at max speed. Furthermore, the blades must not move at to readjust. First turn the idling. A too lean adjusted low speed needle L may cause idle speed adjusting screw T starting difficulties and bad acceleration. clockwise until the blades A too
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MAINTENANCE Cooling system Muffler NOTE! To maintain as low operat- Some mufflers are fitted with catalytic converters. See “Techni- ing temperature as possible cal data” to find out if your machine is equipped with a the engine is equipped with catalytic converter. a cooling system. The muffler is designed to The cooling system consists 1 2 dampen the noise level and of: 3 to direct the exhaust fumes 4 1. An air intake on the away from the user. The starter unit. exhaust fumes are hot and 2. Co
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MAINTENANCE Air filter Gearbox The air filter (A) should be There is a grease nipple (A) cleaned regularly removing on the gearbox. Use a grease dust and dirt to avoid: gun to top up with grease. This should be carried out • carburettor malfunction after approximately every 20 • starting problems working hours. Use A • reduced engine power Husqvarna special grease, • unnecessary wear to No. 503 98 96-01. engine parts • abnormal fuel Note that the gearbox must consumption not be filled completely
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MAINTENANCE Weekly maintenance Maintenance schedule 1. Check the starter, the Below follows some general maintenance instructions. starter cord and the If you need further information please contact your service return spring. workshop. 1 2. Make sure that the Daily maintenance vibration damping 1 elements are not 1. Clean the outside of the damaged. machine. 2 3. Clean the outside of the 2. Make sure the throttle spark plug. Remove and trigger lock and the check the electrode gap. 2 3 throttle
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MAINTENANCE Monthly maintenance 1. Clean the fuel tank. 1 2. Clean the carburettor and the area surrounding it. 3. Clean the fan wheel and the area around it. 2 4. Check the fuel filter and the fuel pipe, replace if 3 necessary. 5. Check all cables and 4 connections. 5 6. Check the clutch, clutch springs and the clutch drum with regard to wear. Replace if necessary. 6 7. Change the spark plug. 8. Check and clean the muffler’s spark arrest screen if necessary (only mufflers with a catalytic 7 con
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TECHNICAL DATA Technical data 325HS75 325HS99 Engine 3 Cylinder capacity, cu. in/cm 1,55/25,4 1,55/25,4 Cylinder bore, inch/mm 1,34/34 1,34/34 Stroke length, inch/mm 1,10/28 1,10/28 Idling speed, rpm 2 700 2 700 Recommended max. speed, rpm 11 000 11 000 Max. engine output, acc. to ISO 8893 0,9 kW/ 9 000 rpm 0,9 kW/ 9 000 rpm Catalytic converter muffler Yes Yes Speed-regulated ignition system Yes Yes gnition system Manufacturer/type of ignition system Walbro MB/CD Walbro MB/CD Spark plug Champion
