Husqvarna 268K, 272K manuale d’uso

Svenska – 1 Operator ’ s Manual 268K/272K 101 87 70-27 Read through the Operator’s Manual carefully and understand the contents before you use the power cutter.[...]

2 –English WARNING! The power cutter can be dangerous! Careless and incorrect use can result in serious, even fatal injury. SYMBOL EXPLANA TION Symbols on the power cutter: Read through the Operator's Manual carefully and understand the contents before you use the power cutter. Checks and/or maintenance shall be carried out with the engine s[...]

English – 3 Before using your new Power cutter • Read the Operator’s Manual carefully. • Check the assembly and adjustment of the cutting disc, see chapter ” Assembly ”. • Start the engine and check the carburettor settings. See chapter ” Maintenance ”, section ” Carburettor ”. When adjusted correctly the cutting disc should n[...]

4 – English ! SAFETY INSTRUCTIONS ! ! WARNING! Incorrect or careless use of a power cutter 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. PERSONAL SAFETY EQUIPMENT WARNING! When using a power cutter, safety equipment approved by the appropriate aut[...]

English – 5 The silencer is designed to give the lowest possible noise level and to direct the engine‘s exhaust fumes away from the user. The engine‘s exhaust fumes are hot and can contain sparks, which can lead to the outbreak of fire. In countries that have a warm and dry climate the risk of forest fires is obvious. We have therefore fitted[...]

6 – English SAFETY INSTRUCTIONS GENERAL SAFETY INSTRUCTIONS IMPORTANT INFORMATION! Do not use the power cutter until you have read the entire contents of this Operator’s Manual. All servicing, in addition to the points listed in the section ” Control, maintenance and service of the power cutter’s safety equipment” , should be carried out [...]

English – 7 ! ! SAFETY INSTRUCTIONS ! Fuel safety (Filling/Fuel mixture/Storage) WARNING! Exercise great care when handling fuel. Bear in mind the risk of fire, explosions and inhaling fumes. • Never fill the machine while the engine is running. • Provide good ventilation when filling or mixing fuel (petrol and 2-stroke oil). • Move the mac[...]

8 – English SAFETY INSTRUCTIONS ! Over exposure to vibrations can result in blood-vessel or nerve injury to persons suffering with blood circulation problems. Seek medical attention if you experience physical symptoms that can be related to over exposure to vibrations. Examples of such symptoms are numbness, lack of feeling, “tickling“, “pr[...]

English – 9 SAFETY INSTRUCTIONS Pull in Pull in occurs when the lower part of the disc is suddenly stopped or when the cut closes. (To avoid this see the section ” How to avoid kickback ” and ”Pinching/rotation” below). Pinching/rotation Pinching occurs when the cut closes. The power cutter can be drawn suddenly and powerfully downwards. [...]

10 – English ! SAFETY INSTRUCTIONS CUTTING DISCS AND BLADES ! General Cutting discs and discs are available in two standard designs; abrasive discs and diamond discs. High speed portable tools Cutting discs of the make Husqvarna are manufactured for portable, high speed, power cutters. If other makes of cutting discs are used, ensure the discs co[...]

English – 11 SAFETY INSTRUCTIONS Cutting discs Type of cutting discs Check that the disc is approved for high speed, portable power cutters. Do not exceed the maximum working speed stated on the disc. Damage • Ensure the disc it not cracked or damaged in any other way. • Test the disc by hitting it gently with a piece of wood. If the disc doe[...]

12 – English WHA T IS WHA T? 1. Cutting trolley 2. Upper guide section 3. Locking lever for upper guide section 4. Fuel tank 5. Splash guard 6. Choke 7. Throttle catch 8. Stop switch 9. Cutting head 10. Cutting arm 11. Belt tensioning screw 12. Cutting disc What is what on a power cutter? 17 19 14 6 4 8 2 1 18 3 5 7 9 10 11 12 13 13 15 16 22 24 2[...]

English – 13 ASSEMBL Y Checking the drive shaft and flanges • Check that the threads on the drive shaft are undamaged. • Check that the contact surfaces of the cutting disc and flanges are flat, run correctly on the spindle and are free from foreign objects. Do not use flanges that are twisted, have damaged edges, untrue or dirty. Do not use [...]

14 – English Two-stroke oil • For the best results use HUSQVARNA two-stroke oil, which has been specially produced for power cutters. Mixing ratio 1:50 (2%). • If HUSQVARNA two-stroke oil is not available you can use a high quality two- stroke oil intended for air cooled engines. Contact your dealer when selecting an oil. Mixing ratio: 1:33 ([...]

English – 15 Starting a cold engine IGNITION: Slide the stop switch to the left. CHOKE: Pull out the choke. DECOMPRESSION VALVE (272K) Press in the value to reduce the pressure in the cylinder, this makes starting the power cutter easier. The decompression valve should always be used when starting. When the machine has started the value automatic[...]

16 – English MAINTENANCE ! WARNING! Never use a power cutter without a disc guard over the cutting disc. Changing the drive belt • Loosen the two nuts (A). • Turn the tensioning screws (B) until the tension has been released. • Remove the two nuts (A). • Remove the front belt cover (C). • Remove the belt from the pulley. • Dismantle t[...]

English – 17 ! MAINTENANCE Carburettor Operation, Basic settings, Fine tuning Operation • The carburettor governs the engine‘s speed via the throttle. Air/fuel is mixed in the carburettor. The air/fuel mixture is adjustable. To take advantage of the engine‘s optimal output the adjustment must be correct. • The setting of the carburettor m[...]

18 – English MAINTENANCE Fuel filter • The fuel filter sits inside the fuel tank. • The fuel tank must be protected from contamination when filling. This reduces the risk of operating disturbances caused by blockage of the fuel filter. • The filter cannot be cleaned but must be replaced with a new filter when it blocked. The filter should b[...]

English – 19 Replacing a broken or worn starter cord • Loosen the bolts that hold the starter against the crankcase and lift off the starter unit. • Pull out the cord approx. 30 cm and lift it out of the cut- out in the starter-pulley’s periphery. Reset the recoil spring by allowing the pulley to slowly rotate backwards. • Loosen the scre[...]

20 – English MAINTENANCE Spark plug The condition of the spark plug is affected by: • An incorrect carburettor setting. • An incorrect fuel mixture (too much oil). • A dirty air filter. These factors cause deposits on the spark plug electrode that may result in malfunction or starting difficulties. • If the machine is low on power, diffic[...]

English – 21 MAINTENANCE Below follows some general maintenance instructions. If you need further information please contact your service workshop. W eekly maintenance 9. Check the main filter. 10. Check that the anti-vibration elements are not damaged. 11. Clean the spark plug. Check that the electrode gap is 0.5 mm. 12. Clean the cooling fins o[...]

22 – English TECHNICAL DA T A Engine Cylinder volume, cu.in/cm 3 Cylinder bore, inch/mm Stroke, inch/mm Idle speed, rpm Recommended max. speed, unloaded, rpm Power, kW Ignition system Manufacture Type of ignition system Spark plug Electrode gap, inch/mm Fuel and lubrication system Manufacturer Carburettor type Fuel capacity, US pint/litre Weight [...]

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