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Husqvarna 3120K Operator's Manual

Husqvarna cut-off saw operator's manual.
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3120K
Operator's Manual (EPA)
Read these instructions carefully and make sure
you understand them before using the machine.
101 91 79-95

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   Summary of Contents for Husqvarna 3120K

  • Page 1

    3120K Operator’s Manual (EPA) Read these instructions carefully and make sure you understand them before using the machine. 101 91 79-95...

  • Page 2: Symbol Explanation

    Symbols on the power cutter: WARNING! The power cutter can be dangerous! Careless and incorrect use can result in serious or fatal injury to the operator or others. Please read the instructions carefully and make sure you understand them before using the power cutter.

  • Page 3: Table Of Contents

    Manual. Adjust the speed according to these instructions. Do not use the power cutter if the idling speed is not correctly adjusted! • Let your Husqvarna dealer check the power cutter and carry out essential adjustments and repairs. Maintenance, replacement, or repair of the emission control devices and systems may be performed by any nonroad engine repair establishment or individual.

  • Page 4: 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 PROTECTIVE EQUIPMENT WARNING! When using a power cutter, protective equipment approved by the appropriate authorities must be used.

  • Page 5: Control, Maintenance And Service Of The Machine's Safety Equipment

    3 Muffler WARNING! During use and for some time after the muffler is very hot. Do not touch the muffler if it is hot! The muffler is designed to give the lowest possible noise level and to direct the engine‘s exhaust fumes away from the user.

  • Page 6: General Safety Instructions

    3 Muffler Never use a machine that has a defective muffler. Check regularly that the muffler is secured to the engine body. 4 Blade guard for the cutting blade Never use a defective blade guard or a blade guard that is not fitted correctly.

  • Page 7: Fuel Safety

    Contact your local fuel station to find out how to dispose of excess fuel. WARNING! Use a Husqvarna fuel can with an anti-spill device. Fuel and fuel fumes are highly flammable. Think of the risks of fire, explosion and breathing in fumes.

  • Page 8: Kickback

    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“, “pricking“, pain lack of or a reduction in normal strength, changes in the colour of the skin or its surfaces.

  • Page 9: Care And Storage

    SAFETY INSTRUCTIONS Care and storage General Husqvarna’s power cutters are robust and durable. However, as they are used for high speed operations all servicing should be carried out on time and as specified, so that the power cutter always works effectively and safely.

  • Page 10: Cutting Blades

    A cutting blade may burst and cause injury to the operator. High speed portable tools Cutting blades of the make Husqvarna are manufactured for portable, high speed, power cutters. If other makes of cutting blades are used, ensure the blades comply with all the directives and requirements attributed to the specific type of power cutter.

  • Page 11: Diamond Blades

    Cutting blades Type of cutting blades Check that the blade is approved for the same or higher speed according to the aproval plate of the engine. Do not exceed the maximum working speed stated on the blade. Damage • Ensure the blade it not cracked or damaged in any other way.

  • Page 12: What Is What

    Keep all bystanders well away from the operating area. Adjust guard to keep rear section in close workpiece contact. IMPORTANT ENGINE INFORMATION 3120K 119cc VHV119UB25RB HUSQVARNA AB HUSKVARNA SWEDEN THIS ENGINE CONFORMS TO 1997 U.S. EPA EMISSION REGULATION FOR SMALL NONROAD ENGINES.

  • Page 13: Assembly

    Do not use different size flanges. ASSEMBLY Fitting the cutting blade Husqvarna cutting blades are manufactured and approved for freehand cutting. The paper labels on each side of the blade are there to distribute the pressure from the flange washer and prevent the blade from slipping.

  • Page 14: Fuel Handling

    • When working at continuous high revs a higher octane rating is recommended. Two-stroke oil • For the best results use HUSQVARNA two-stroke oil, which is especially developed for power cutters. Mixing ratio 1:50 (2%). • Never use two-stroke oil...

  • Page 15: Start And Stop

    Start and stop WARNING! Before starting observe the following: • Do not start the power cutter without the cutting arm or cutting head fitted. Otherwise the clutch can come loose and cause personal injury. • Always move the power cutter from the filling area before starting.

  • Page 16: Maintenance

    Adjusting the drive belt • The drive belt is fully enclosed and well protected from dust, dirt and mechanical effects during the cutting process. • To tension the drive belt, slightly loosen the bolts (A), which secure the cutting head and belt guard. •...

  • Page 17: Carburettor

    • Inspect or, if necessary, replace the air filter. • If this does not help, contact an authorised service workshop. Low speed needle L Apply full throttle a couple of times and check that the saw is accelerating without hesitation. Basic setting L: 1 1/4 turn open.

  • Page 18: Fuel Filter

    The filter must be cleaned and oiled regularly to obtain a satisfactory filtering effect. There is a special HUSQVARNA oil produced for this purpose. • Remove the filter. Wash the filter carefully in tepid, soapy water. After cleaning rinse the filter thoroughly in clean water.

  • Page 19: Starter

    Starter WARNING! • The recoil spring sits in its tensioned posi- tion in the starter housing and can with careless handling fly out and cause personal injury. • When replacing the recoil spring or the starter cord great care should be exercised. Always wear protective glasses.

  • Page 20: Muffler

    The exhaust gases are hot and can contain sparks, which may cause fire if directed against dry and combustible material. Never use a saw with a clogged or defective muffler. Spark plug The condition of the spark plug is affected by: •...

  • Page 21: Daily Maintenance

    Below follows some general maintenance instructions. If you need further information please contact your service workshop. Daily maintenance 1. Check that throttle components work correctly from a safety view point (throttle and starter throttle catch). 2. Clean the main filter. 3.

  • Page 22: Technical Data

    Engine Cylinder volume, cm cu.in Cylinder bore, mm/inch Stroke, mm/inch Idle speed, rpm Recommended max. speed, unloaded, rpm Power, kW Ignition system Manufacturer Spark plug Electrode gap, mm/inch Fuel and lubrication system Manufacturer Carburettor type Fuel capacity, litre/US Pint Weight Without fuel and cutting blade, kg/Lbs 14"...

  • Page 23: Your Warranty Rights And Obligations

    REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Husqvarna Forest & Garden servicing dealer. If you have any questions regarding your warranty rights and responsibilities, you should contact your nearest authorized servicing dealer or call Husqvarna Forest &...

  • Page 24

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