Operator's manual (CARB II, EPA II) 326HS75X-series 326HS99X-series Please read these instructions carefully and make sure you understand them before using the machine.
SYMBOL EXPLANATION Symbols WARNING! The hedge trimmer can be dangerous! Careless or incorrect use can result in serious, even fatal injury. Checks and/or maintenance should be carried out with the engine switched off, with the stop switch in the STOP position. Always use approved protective gloves. Read through the Operator‘s Manual carefully and understand the content before using the hedge trimmer.
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. List of contents SYMBOL EXPLANATION Symbols ............................................................................... 2 Maintenance, replacement, or repair of the emission control devices and systems may be performed by any nonroad engine repair establishment or individual.
SAFETY INSTRUCTIONS Personal protective eqipment IMPORTANT INFORMATION • Incorrect or careless use of a hedge trimmer can turn it into a dangerous tool that can cause serious or even fatal injury. It is extremely important that you read and understand this manual. • When using a hedge trimmer, protective equipment approved by the appropriate authorities must be used.
SAFETY INSTRUCTIONS 4. Vibration damping system The hedge trimmer is equipped with a vibration damping system, which is designed to give as vibrationfree and comfortable use as possible. The hedge trimmer’s vibration damping system reduces the transfer of vibrations between the engine/unit blades and the hedge trimmer’s handles. The engine body, including the blades, is suspended on the handlebar system by five springs.
SAFETY INSTRUCTIONS Control, maintenance and service of the hedge trimmer’s protective equipment ! IMPORTANT INFORMATION • All service and repairs to the machine require special training. • This applies especially to the machine‘s safety equipment. If the machine does not meet any of he controls listed below you should contact your service workshop. • The purchase of one of our products guarantees that professional repair and servicing will be carried out on it.
SAFETY INSTRUCTIONS 5. Muffler • Replace the blades if they are bent or damaged. • Never use a machine that has a defective muffler. • 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. 7. Assembly of the catcher (accessory) 6.
SAFETY INSTRUCTIONS General safety instructions IMPORTANT INFORMATION • The machine is only designed for cutting branches and twigs. • Never use the machine if you are tired, if you have consumed alcohol, or if you are taking medicines that can affect your sight, your judgement or the control of your body. • Use personal protective equipment. See the section ”Personal protective equipment”. • Never use a machine that has been modified so that it no longer corresponds with the original design.
SAFETY INSTRUCTIONS Safety instructions when using the hedge trimmer ! ! WARNING! The hedge trimmer can cause serious personal injury. Read the safety instructions carefully. Learn how to use the machine. WARNING! Cutting tool. Do not touch the tool without first switching off the engine. NOTE! Read the Operator’s Manual carefully before using the hedge trimmer. Personal protection • Always wear boots, and the other safety equipment described in the section ”Personal protective equipment”.
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.
WHAT IS WHAT? 18 3 19 2 20 17 5 6 8 7 9 10 11 4 12 16 1 15 14 13 What is what on the hedge trimmer? 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Operator’s Manual Grease nipple Gearbox Blades Hand guard Handle Cylinder cover Starter handle Fuel cap Fuel tank 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.
FUEL HANDLING Fuel mixture Mixture NOTE! The machine is fitted with a two-stroke engine and must always be run on a mixture of gasoline and two-stroke oil. It is important to measure the quantity of oil accurately, to ensure the correct mixture ratio. Small discrepancies in the amount of oil have a great bearing on the proportions of the fuel mixture when mixing small amounts of fuel. • Always mix gasoline and oil in a clean container intended for fuel.
START AND STOP Control before starting Warm engine • Inspect the working area. Remove objects that can be thrown. • Check the blades. Never use blades that are dull, cracked or damaged. • Check that the hedge trimmer is in full working order. Check that all nuts and bolts are tightened correctly. • Make sure the gearbox is lubricated correctly. See the section ”Lubricating the blades”. • Ensure the blades always stop when the engine is idling. • Only use the machine for what it is intended for.
MAINTENANCE Carburetor Basic setting Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. After your unit has been run 8-10 tanks of fuel the engine has broken in. To ensure that your unit is at peak performance and producing the least amount of harmful emissions after break in, have your authorized servicing dealer, who has a revolution counter at his disposal, to adjust your carburetor for optimum operating conditions.
MAINTENANCE Correctly adjusted carburetor Adjusting the idle speed, T Adjust the idling speed with the screw T, if it is necessary to readjust. First turn the idle speed adjusting screw T clockwise until the blades start moving. Then turn the screw anti-clockwise until the blades stop. The idle speed is correctly adjusted when the engine runs smoothly in every position. There should be a good margin to the speed when the cutters start to move.
MAINTENANCE Muffler Cooling system NOTE! Some mufflers are fitted with a catalytic converter. See “Technical data” to see whether you clearing saw is fitted with a catalytic converter. The muffler is designed to dampen the noise level and to direct the exhaust fumes away from the user. The exhaust fumes are hot and can contain sparks, which can result in fire if the exhaust fumes are directed towards a dry and inflammable material. Some mufflers are equipped with a special spark arrest screen.
MAINTENANCE Air filter Gearbox The air filter (A) should be cleaned regularly removing dust and dirt to avoid: There is a grease nipple (A) on the gearbox. Use a grease gun to top up with grease. This should be carried out after approximately every 20 working hours. Use Husqvarna special grease, No. 503 98 96-01.
MAINTENANCE Maintenance schedule Below you will find some general maintenance instructions. Daily maintenance • Check throttle trigger and throttle trigger lockout function. • Check stop switch function. • Check that the blades do not rotate while idling or when the choke is in the start position. • Clean the exterior of the machine. • Check that the harness is undamaged. • Check that the blade is properly centred, sharp, and without cracks. • Check the hand guard for cracks and chips or damage.
TECHNICAL DATA Technical data 326HS75 326HS99 Engine Displacement, cu in/cm3 Cylinder bore, inch/mm Stroke length, inch/mm Idling speed, rpm Recommended max. speed rpm Max. engine output, acc.
EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (U.S. Environmental Protection Agency), CARB (California Air Resources Board) and Husqvarna Forest & Garden are pleased to explain the emissions control system warranty on your 2001 and later small off-road engine. In U.S., new small offroad engines must be designed, built and equipped to meet the federal or California stringent anti-smog standards.
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